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Security alerts - a reference guide
In this article
Alerts for Windows machines
Alerts for Linux machines
Alerts for Azure App Service
Alerts for containers - Kubernetes clusters
Alerts for SQL Database and Azure Synapse Analytics
Alerts for open-source relational databases
Alerts for Resource Manager
Alerts for DNS
Alerts for Azure Storage
Alerts for Azure Cosmos DB
Alerts for Azure network layer
Alerts for Azure Key Vault
Alerts for Azure DDoS Protection
Security incident alerts
MITRE ATT&CK tactics
Additional resources
Which option should you use to respond to every single person included on an email?
Which of the following is a category of SaaS applications?
Which of the following is used to identify specific hypertext resources on the World Wide Web?
Which of the following is most likely to have peer reviewed material written by an expert in the field correct answer?

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Security alerts - a reference guide

Article
11/30/2022
136 minutes to read

Alerts for Windows machines

Microsoft Defender for Servers Plan 2 provides unique detections and alerts, in addition to the ones provided by Microsoft Defender for Endpoint. The alerts provided for Windows machines are:

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
A logon from a malicious IP has been detected. [seen multiple times]	A successful remote authentication for the account [account] and process [process] occurred, however the logon IP address (x.x.x.x) has previously been reported as malicious or highly unusual. A successful attack has probably occurred. Files with the .scr extensions are screen saver files and are normally reside and execute from the Windows system directory.	-	High
Addition of Guest account to Local Administrators group	Analysis of host data has detected the addition of the built-in Guest account to the Local Administrators group on %{Compromised Host}, which is strongly associated with attacker activity.	-	Medium
An event log was cleared	Machine logs indicate a suspicious event log clearing operation by user: '%{user name}' in Machine: '%{CompromisedEntity}'. The %{log channel} log was cleared.	-	Informational
Antimalware Action Failed	Microsoft Antimalware has encountered an error when taking an action on malware or other potentially unwanted software.	-	Medium
Antimalware Action Taken	Microsoft Antimalware for Azure has taken an action to protect this machine from malware or other potentially unwanted software.	-	Medium
Antimalware broad files exclusion in your virtual machine (VM_AmBroadFilesExclusion)	Files exclusion from antimalware extension with broad exclusion rule was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Such exclusion practically disabling the Antimalware protection. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	-	Medium
Antimalware disabled and code execution in your virtual machine (VM_AmDisablementAndCodeExecution)	Antimalware disabled at the same time as code execution on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers disable antimalware scanners to prevent detection while running unauthorized tools or infecting the machine with malware.	-	High
Antimalware disabled in your virtual machine (VM_AmDisablement)	Antimalware disabled in your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might disable the antimalware on your virtual machine to prevent detection.	Defense Evasion	Medium
Antimalware file exclusion and code execution in your virtual machine (VM_AmFileExclusionAndCodeExecution)	File excluded from your antimalware scanner at the same time as code was executed via a custom script extension on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running unauthorized tools or infecting the machine with malware.	Defense Evasion, Execution	High
Antimalware file exclusion and code execution in your virtual machine (VM_AmTempFileExclusionAndCodeExecution)	Temporary file exclusion from antimalware extension in parallel to execution of code via custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion, Execution	High
Antimalware file exclusion in your virtual machine (VM_AmTempFileExclusion)	File excluded from your antimalware scanner on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running unauthorized tools or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled in your virtual machine (VM_AmRealtimeProtectionDisabled)	Real-time protection disablement of the antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled temporarily in your virtual machine (VM_AmTempRealtimeProtectionDisablement)	Real-time protection temporary disablement of the antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled temporarily while code was executed in your virtual machine (VM_AmRealtimeProtectionDisablementAndCodeExec)	Real-time protection temporary disablement of the antimalware extension in parallel to code execution via custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	-	High
Antimalware scans blocked for files potentially related to malware campaigns on your virtual machine (Preview) (VM_AmMalwareCampaignRelatedExclusion)	An exclusion rule was detected in your virtual machine to prevent your antimalware extension scanning certain files that are suspected of being related to a malware campaign. The rule was detected by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from antimalware scans to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware temporarily disabled in your virtual machine (VM_AmTemporarilyDisablement)	Antimalware temporarily disabled in your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might disable the antimalware on your virtual machine to prevent detection.	-	Medium
Antimalware unusual file exclusion in your virtual machine (VM_UnusualAmFileExclusion)	Unusual file exclusion from antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Communication with suspicious domain identified by threat intelligence (AzureDNS_ThreatIntelSuspectDomain)	Communication with suspicious domain was detected by analyzing DNS transactions from your resource and comparing against known malicious domains identified by threat intelligence feeds. Communication to malicious domains is frequently performed by attackers and could imply that your resource is compromised.	Initial Access, Persistence, Execution, Command And Control, Exploitation	Medium
Custom script extension with suspicious command in your virtual machine (VM_CustomScriptExtensionSuspiciousCmd)	Custom script extension with suspicious command was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extension to execute a malicious code on your virtual machine via the Azure Resource Manager.	Execution	Medium
Custom script extension with suspicious entry-point in your virtual machine (VM_CustomScriptExtensionSuspiciousEntryPoint)	Custom script extension with a suspicious entry-point was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. The entry-point refers to a suspicious GitHub repository. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Custom script extension with suspicious payload in your virtual machine (VM_CustomScriptExtensionSuspiciousPayload)	Custom script extension with a payload from a suspicious GitHub repository was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Detected actions indicative of disabling and deleting IIS log files	Analysis of host data detected actions that show IIS log files being disabled and/or deleted.	-	Medium
Detected anomalous mix of upper and lower case characters in command-line	Analysis of host data on %{Compromised Host} detected a command line with anomalous mix of upper and lower case characters. This kind of pattern, while possibly benign, is also typical of attackers trying to hide from case-sensitive or hash-based rule matching when performing administrative tasks on a compromised host.	-	Medium
Detected change to a registry key that can be abused to bypass UAC	Analysis of host data on %{Compromised Host} detected that a registry key that can be abused to bypass UAC (User Account Control) was changed. This kind of configuration, while possibly benign, is also typical of attacker activity when trying to move from unprivileged (standard user) to privileged (for example administrator) access on a compromised host.	-	Medium
Detected decoding of an executable using built-in certutil.exe tool	Analysis of host data on %{Compromised Host} detected that certutil.exe, a built-in administrator utility, was being used to decode an executable instead of its mainstream purpose that relates to manipulating certificates and certificate data. Attackers are known to abuse functionality of legitimate administrator tools to perform malicious actions, for example using a tool such as certutil.exe to decode a malicious executable that will then be subsequently executed.	-	High
Detected enabling of the WDigest UseLogonCredential registry key	Analysis of host data detected a change in the registry key HKLM\SYSTEM\ CurrentControlSet\Control\SecurityProviders\WDigest\ "UseLogonCredential". Specifically this key has been updated to allow logon credentials to be stored in clear text in LSA memory. Once enabled, an attacker can dump clear text passwords from LSA memory with credential harvesting tools such as Mimikatz.	-	Medium
Detected encoded executable in command line data	Analysis of host data on %{Compromised Host} detected a base-64 encoded executable. This has previously been associated with attackers attempting to construct executables on-the-fly through a sequence of commands, and attempting to evade intrusion detection systems by ensuring that no individual command would trigger an alert. This could be legitimate activity, or an indication of a compromised host.	-	High
Detected obfuscated command line	Attackers use increasingly complex obfuscation techniques to evade detections that run against the underlying data. Analysis of host data on %{Compromised Host} detected suspicious indicators of obfuscation on the commandline.	-	Informational
Detected Petya ransomware indicators	Analysis of host data on %{Compromised Host} detected indicators associated with Petya ransomware. See https://aka.ms/petya-blog for more information. Review the command line associated in this alert and escalate this alert to your security team.	-	High
Detected possible execution of keygen executable	Analysis of host data on %{Compromised Host} detected execution of a process whose name is indicative of a keygen tool; such tools are typically used to defeat software licensing mechanisms but their download is often bundled with other malicious software. Activity group GOLD has been known to make use of such keygens to covertly gain back door access to hosts that they compromise.	-	Medium
Detected possible execution of malware dropper	Analysis of host data on %{Compromised Host} detected a filename that has previously been associated with one of activity group GOLD's methods of installing malware on a victim host.	-	High
Detected possible local reconnaissance activity	Analysis of host data on %{Compromised Host} detected a combination of systeminfo commands that has previously been associated with one of activity group GOLD's methods of performing reconnaissance activity. While 'systeminfo.exe' is a legitimate Windows tool, executing it twice in succession in the way that has occurred here is rare.	-
Detected potentially suspicious use of Telegram tool	Analysis of host data shows installation of Telegram, a free cloud-based instant messaging service that exists both for mobile and desktop system. Attackers are known to abuse this service to transfer malicious binaries to any other computer, phone, or tablet.	-	Medium
Detected suppression of legal notice displayed to users at logon	Analysis of host data on %{Compromised Host} detected changes to the registry key that controls whether a legal notice is displayed to users when they log on. Microsoft security analysis has determined that this is a common activity undertaken by attackers after having compromised a host.	-	Low
Detected suspicious combination of HTA and PowerShell	mshta.exe (Microsoft HTML Application Host) which is a signed Microsoft binary is being used by the attackers to launch malicious PowerShell commands. Attackers often resort to having an HTA file with inline VBScript. When a victim browses to the HTA file and chooses to run it, the PowerShell commands and scripts that it contains are executed. Analysis of host data on %{Compromised Host} detected mshta.exe launching PowerShell commands.	-	Medium
Detected suspicious commandline arguments	Analysis of host data on %{Compromised Host} detected suspicious commandline arguments that have been used in conjunction with a reverse shell used by activity group HYDROGEN.	-	High
Detected suspicious commandline used to start all executables in a directory	Analysis of host data has detected a suspicious process running on %{Compromised Host}. The commandline indicates an attempt to start all executables (*.exe) that may reside in a directory. This could be an indication of a compromised host.	-	Medium
Detected suspicious credentials in commandline	Analysis of host data on %{Compromised Host} detected a suspicious password being used to execute a file by activity group BORON. This activity group has been known to use this password to execute Pirpi malware on a victim host.	-	High
Detected suspicious document credentials	Analysis of host data on %{Compromised Host} detected a suspicious, common precomputed password hash used by malware being used to execute a file. Activity group HYDROGEN has been known to use this password to execute malware on a victim host.	-	High
Detected suspicious execution of VBScript.Encode command	Analysis of host data on %{Compromised Host} detected the execution of VBScript.Encode command. This encodes the scripts into unreadable text, making it more difficult for users to examine the code. Microsoft threat research shows that attackers often use encoded VBscript files as part of their attack to evade detection systems. This could be legitimate activity, or an indication of a compromised host.	-	Medium
Detected suspicious execution via rundll32.exe	Analysis of host data on %{Compromised Host} detected rundll32.exe being used to execute a process with an uncommon name, consistent with the process naming scheme previously seen used by activity group GOLD when installing their first stage implant on a compromised host.	-	High
Detected suspicious file cleanup commands	Analysis of host data on %{Compromised Host} detected a combination of systeminfo commands that has previously been associated with one of activity group GOLD's methods of performing post-compromise self-cleanup activity. While 'systeminfo.exe' is a legitimate Windows tool, executing it twice in succession, followed by a delete command in the way that has occurred here is rare.	-	High
Detected suspicious file creation	Analysis of host data on %{Compromised Host} detected creation or execution of a process that has previously indicated post-compromise action taken on a victim host by activity group BARIUM. This activity group has been known to use this technique to download more malware to a compromised host after an attachment in a phishing doc has been opened.	-	High
Detected suspicious named pipe communications	Analysis of host data on %{Compromised Host} detected data being written to a local named pipe from a Windows console command. Named pipes are known to be a channel used by attackers to task and communicate with a malicious implant. This could be legitimate activity, or an indication of a compromised host.	-	High
Detected suspicious network activity	Analysis of network traffic from %{Compromised Host} detected suspicious network activity. Such traffic, while possibly benign, is typically used by an attacker to communicate with malicious servers for downloading of tools, command-and-control and exfiltration of data. Typical related attacker activity includes copying remote administration tools to a compromised host and exfiltrating user data from it.	-	Low
Detected suspicious new firewall rule	Analysis of host data detected a new firewall rule has been added via netsh.exe to allow traffic from an executable in a suspicious location.	-	Medium
Detected suspicious use of Cacls to lower the security state of the system	Attackers use myriad ways like brute force, spear phishing etc. to achieve initial compromise and get a foothold on the network. Once initial compromise is achieved they often take steps to lower the security settings of a system. Cacls—short for change access control list is Microsoft Windows native command-line utility often used for modifying the security permission on folders and files. A lot of time the binary is used by the attackers to lower the security settings of a system. This is done by giving Everyone full access to some of the system binaries like ftp.exe, net.exe, wscript.exe etc. Analysis of host data on %{Compromised Host} detected suspicious use of Cacls to lower the security of a system.	-	Medium
Detected suspicious use of FTP -s Switch	Analysis of process creation data from the %{Compromised Host} detected the use of the FTP "-s:filename" switch. This switch is used to specify an FTP script file for the client to run. Malware or malicious processes are known to use this FTP switch (-s:filename) to point to a script file which is configured to connect to a remote FTP server and download more malicious binaries.	-	Medium
Detected suspicious use of Pcalua.exe to launch executable code	Analysis of host data on %{Compromised Host} detected the use of pcalua.exe to launch executable code. Pcalua.exe is component of the Microsoft Windows "Program Compatibility Assistant" which detects compatibility issues during the installation or execution of a program. Attackers are known to abuse functionality of legitimate Windows system tools to perform malicious actions, for example using pcalua.exe with the -a switch to launch malicious executables either locally or from remote shares.	-	Medium
Detected the disabling of critical services	The analysis of host data on %{Compromised Host} detected execution of "net.exe stop" command being used to stop critical services like SharedAccess or the Windows Security app. The stopping of either of these services can be indication of a malicious behavior.	-	Medium
Digital currency mining related behavior detected	Analysis of host data on %{Compromised Host} detected the execution of a process or command normally associated with digital currency mining.	-	High
Dynamic PS script construction	Analysis of host data on %{Compromised Host} detected a PowerShell script being constructed dynamically. Attackers sometimes use this approach of progressively building up a script in order to evade IDS systems. This could be legitimate activity, or an indication that one of your machines has been compromised.	-	Medium
Executable found running from a suspicious location	Analysis of host data detected an executable file on %{Compromised Host} that is running from a location in common with known suspicious files. This executable could either be legitimate activity, or an indication of a compromised host.	-	High
Fileless attack behavior detected (VM_FilelessAttackBehavior.Windows)	The memory of the process specified contains behaviors commonly used by fileless attacks. Specific behaviors include: 1) Shellcode, which is a small piece of code typically used as the payload in the exploitation of a software vulnerability. 2) Active network connections. See NetworkConnections below for details. 3) Function calls to security sensitive operating system interfaces. See Capabilities below for referenced OS capabilities. 4) Contains a thread that was started in a dynamically allocated code segment. This is a common pattern for process injection attacks.	Defense Evasion	Low
Fileless attack technique detected (VM_FilelessAttackTechnique.Windows)	The memory of the process specified below contains evidence of a fileless attack technique. Fileless attacks are used by attackers to execute code while evading detection by security software. Specific behaviors include: 1) Shellcode, which is a small piece of code typically used as the payload in the exploitation of a software vulnerability. 2) Executable image injected into the process, such as in a code injection attack. 3) Active network connections. See NetworkConnections below for details. 4) Function calls to security sensitive operating system interfaces. See Capabilities below for referenced OS capabilities. 5) Process hollowing, which is a technique used by malware in which a legitimate process is loaded on the system to act as a container for hostile code. 6) Contains a thread that was started in a dynamically allocated code segment. This is a common pattern for process injection attacks.	Defense Evasion, Execution	High
Fileless attack toolkit detected (VM_FilelessAttackToolkit.Windows)	The memory of the process specified contains a fileless attack toolkit: [toolkit name]. Fileless attack toolkits use techniques that minimize or eliminate traces of malware on disk, and greatly reduce the chances of detection by disk-based malware scanning solutions. Specific behaviors include: 1) Well-known toolkits and crypto mining software. 2) Shellcode, which is a small piece of code typically used as the payload in the exploitation of a software vulnerability. 3) Injected malicious executable in process memory.	Defense Evasion, Execution	Medium
High risk software detected	Analysis of host data from %{Compromised Host} detected the usage of software that has been associated with the installation of malware in the past. A common technique utilized in the distribution of malicious software is to package it within otherwise benign tools such as the one seen in this alert. Upon using these tools, the malware can be silently installed in the background.	-	Medium
Local Administrators group members were enumerated	Machine logs indicate a successful enumeration on group %{Enumerated Group Domain Name}%{Enumerated Group Name}. Specifically, %{Enumerating User Domain Name}%{Enumerating User Name} remotely enumerated the members of the %{Enumerated Group Domain Name}%{Enumerated Group Name} group. This activity could either be legitimate activity, or an indication that a machine in your organization has been compromised and used to reconnaissance %{vmname}.	-	Informational
Malicious firewall rule created by ZINC server implant [seen multiple times]	A firewall rule was created using techniques that match a known actor, ZINC. The rule was possibly used to open a port on %{Compromised Host} to allow for Command & Control communications. This behavior was seen [x] times today on the following machines: [Machine names]	-	High
Malicious SQL activity	Machine logs indicate that '%{process name}' was executed by account: %{user name}. This activity is considered malicious.	-	High
Multiple Domain Accounts Queried	Analysis of host data has determined that an unusual number of distinct domain accounts are being queried within a short time period from %{Compromised Host}. This kind of activity could be legitimate, but can also be an indication of compromise.	-	Medium
Possible credential dumping detected [seen multiple times]	Analysis of host data has detected use of native windows tool (e.g. sqldumper.exe) being used in a way that allows to extract credentials from memory. Attackers often use these techniques to extract credentials that they then further use for lateral movement and privilege escalation. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Potential attempt to bypass AppLocker detected	Analysis of host data on %{Compromised Host} detected a potential attempt to bypass AppLocker restrictions. AppLocker can be configured to implement a policy that limits what executables are allowed to run on a Windows system. The command-line pattern similar to that identified in this alert has been previously associated with attacker attempts to circumvent AppLocker policy by using trusted executables (allowed by AppLocker policy) to execute untrusted code. This could be legitimate activity, or an indication of a compromised host.	-	High
PsExec execution detected (VM_RunByPsExec)	Analysis of host data indicates that the process %{Process Name} was executed by PsExec utility. PsExec can be used for running processes remotely. This technique might be used for malicious purposes.	Lateral Movement, Execution	Informational
Ransomware indicators detected [seen multiple times]	Analysis of host data indicates suspicious activity traditionally associated with lock-screen and encryption ransomware. Lock screen ransomware displays a full-screen message preventing interactive use of the host and access to its files. Encryption ransomware prevents access by encrypting data files. In both cases a ransom message is typically displayed, requesting payment in order to restore file access. This behavior was seen [x] times today on the following machines: [Machine names]	-	High
Ransomware indicators detected	Analysis of host data indicates suspicious activity traditionally associated with lock-screen and encryption ransomware. Lock screen ransomware displays a full-screen message preventing interactive use of the host and access to its files. Encryption ransomware prevents access by encrypting data files. In both cases a ransom message is typically displayed, requesting payment in order to restore file access.	-	High
Rare SVCHOST service group executed (VM_SvcHostRunInRareServiceGroup)	The system process SVCHOST was observed running a rare service group. Malware often uses SVCHOST to masquerade its malicious activity.	Defense Evasion, Execution	Informational
Sticky keys attack detected	Analysis of host data indicates that an attacker may be subverting an accessibility binary (for example sticky keys, onscreen keyboard, narrator) in order to provide backdoor access to the host %{Compromised Host}.	-	Medium
Successful brute force attack (VM_LoginBruteForceSuccess)	Several sign in attempts were detected from the same source. Some successfully authenticated to the host. This resembles a burst attack, in which an attacker performs numerous authentication attempts to find valid account credentials.	Exploitation	Medium/High
Suspect integrity level indicative of RDP hijacking	Analysis of host data has detected the tscon.exe running with SYSTEM privileges - this can be indicative of an attacker abusing this binary in order to switch context to any other logged on user on this host; it is a known attacker technique to compromise more user accounts and move laterally across a network.	-	Medium
Suspect service installation	Analysis of host data has detected the installation of tscon.exe as a service: this binary being started as a service potentially allows an attacker to trivially switch to any other logged on user on this host by hijacking RDP connections; it's a known attacker technique to compromise more user accounts and move laterally across a network.	-	Medium
Suspected Kerberos Golden Ticket attack parameters observed	Analysis of host data detected commandline parameters consistent with a Kerberos Golden Ticket attack.	-	Medium
Suspicious Account Creation Detected	Analysis of host data on %{Compromised Host} detected creation or use of a local account %{Suspicious account name} : this account name closely resembles a standard Windows account or group name '%{Similar To Account Name}'. This is potentially a rogue account created by an attacker, so named in order to avoid being noticed by a human administrator.	-	Medium
Suspicious Activity Detected (VM_SuspiciousActivity)	Analysis of host data has detected a sequence of one or more processes running on %{machine name} that have historically been associated with malicious activity. While individual commands may appear benign the alert is scored based on an aggregation of these commands. This could either be legitimate activity, or an indication of a compromised host.	Execution	Medium
Suspicious authentication activity (VM_LoginBruteForceValidUserFailed)	Although none of them succeeded, some of them used accounts were recognized by the host. This resembles a dictionary attack, in which an attacker performs numerous authentication attempts using a dictionary of predefined account names and passwords in order to find valid credentials to access the host. This indicates that some of your host account names might exist in a well-known account name dictionary.	Probing	Medium
Suspicious code segment detected	Indicates that a code segment has been allocated by using non-standard methods, such as reflective injection and process hollowing. The alert provides more characteristics of the code segment that have been processed to provide context for the capabilities and behaviors of the reported code segment.	-	Medium
Suspicious command execution (VM_SuspiciousCommandLineExecution)	Machine logs indicate a suspicious command-line execution by user %{user name}.	Execution	High
Suspicious double extension file executed	Analysis of host data indicates an execution of a process with a suspicious double extension. This extension may trick users into thinking files are safe to be opened and might indicate the presence of malware on the system.	-	High
Suspicious download using Certutil detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the use of certutil.exe, a built-in administrator utility, for the download of a binary instead of its mainstream purpose that relates to manipulating certificates and certificate data. Attackers are known to abuse functionality of legitimate administrator tools to perform malicious actions, for example using certutil.exe to download and decode a malicious executable that will then be subsequently executed. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Suspicious download using Certutil detected	Analysis of host data on %{Compromised Host} detected the use of certutil.exe, a built-in administrator utility, for the download of a binary instead of its mainstream purpose that relates to manipulating certificates and certificate data. Attackers are known to abuse functionality of legitimate administrator tools to perform malicious actions, for example using certutil.exe to download and decode a malicious executable that will then be subsequently executed.	-	Medium
Suspicious failed execution of custom script extension in your virtual machine (VM_CustomScriptExtensionSuspiciousFailure)	Suspicious failure of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Such failures may be associated with malicious scripts run by this extension.	Execution	Medium
Suspicious PowerShell Activity Detected	Analysis of host data detected a PowerShell script running on %{Compromised Host} that has features in common with known suspicious scripts. This script could either be legitimate activity, or an indication of a compromised host.	-	High
Suspicious PowerShell cmdlets executed	Analysis of host data indicates execution of known malicious PowerShell PowerSploit cmdlets.	-	Medium
Suspicious process executed [seen multiple times]	Machine logs indicate that the suspicious process: '%{Suspicious Process}' was running on the machine, often associated with attacker attempts to access credentials. This behavior was seen [x] times today on the following machines: [Machine names]	-	High
Suspicious process executed	Machine logs indicate that the suspicious process: '%{Suspicious Process}' was running on the machine, often associated with attacker attempts to access credentials.	-	High
Suspicious process name detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected a process whose name is suspicious, for example corresponding to a known attacker tool or named in a way that is suggestive of attacker tools that try to hide in plain sight. This process could be legitimate activity, or an indication that one of your machines has been compromised. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Suspicious process name detected	Analysis of host data on %{Compromised Host} detected a process whose name is suspicious, for example corresponding to a known attacker tool or named in a way that is suggestive of attacker tools that try to hide in plain sight. This process could be legitimate activity, or an indication that one of your machines has been compromised.	-	Medium
Suspicious process termination burst (VM_TaskkillBurst)	Analysis of host data indicates a suspicious process termination burst in %{Machine Name}. Specifically, %{NumberOfCommands} processes were killed between %{Begin} and %{Ending}.	Defense Evasion	Low
Suspicious Screensaver process executed (VM_SuspiciousScreenSaverExecution)	The process '%{process name}' was observed executing from an uncommon location. Files with the .scr extensions are screen saver files and are normally reside and execute from the Windows system directory.	Defense Evasion, Execution	Medium
Suspicious SQL activity	Machine logs indicate that '%{process name}' was executed by account: %{user name}. This activity is uncommon with this account.	-	Medium
Suspicious SVCHOST process executed	The system process SVCHOST was observed running in an abnormal context. Malware often uses SVCHOST to masquerade its malicious activity.	-	High
Suspicious system process executed (VM_SystemProcessInAbnormalContext)	The system process %{process name} was observed running in an abnormal context. Malware often uses this process name to masquerade its malicious activity.	Defense Evasion, Execution	High
Suspicious Volume Shadow Copy Activity	Analysis of host data has detected a shadow copy deletion activity on the resource. Volume Shadow Copy (VSC) is an important artifact that stores data snapshots. Some malware and specifically Ransomware, targets VSC to sabotage backup strategies.	-	High
Suspicious WindowPosition registry value detected	Analysis of host data on %{Compromised Host} detected an attempted WindowPosition registry configuration change that could be indicative of hiding application windows in non-visible sections of the desktop. This could be legitimate activity, or an indication of a compromised machine: this type of activity has been previously associated with known adware (or unwanted software) such as Win32/OneSystemCare and Win32/SystemHealer and malware such as Win32/Creprote. When the WindowPosition value is set to 201329664, (Hex: 0x0c00 0c00, corresponding to X-axis=0c00 and the Y-axis=0c00) this places the console app's window in a non-visible section of the user's screen in an area that is hidden from view below the visible start menu/taskbar. Known suspect Hex value includes, but not limited to c000c000	-	Low
Suspiciously named process detected	Analysis of host data on %{Compromised Host} detected a process whose name is very similar to but different from a very commonly run process (%{Similar To Process Name}). While this process could be benign attackers are known to sometimes hide in plain sight by naming their malicious tools to resemble legitimate process names.	-	Medium
Unusual config reset in your virtual machine (VM_VMAccessUnusualConfigReset)	An unusual config reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing VM Access extension to reset the configuration in your virtual machine and compromise it.	Credential Access	Medium
Unusual deletion of custom script extension in your virtual machine (VM_CustomScriptExtensionUnusualDeletion)	Unusual deletion of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Unusual execution of custom script extension in your virtual machine (VM_CustomScriptExtensionUnusualExecution)	Unusual execution of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Unusual process execution detected	Analysis of host data on %{Compromised Host} detected the execution of a process by %{User Name} that was unusual. Accounts such as %{User Name} tend to perform a limited set of operations, this execution was determined to be out of character and may be suspicious.	-	High
Unusual user password reset in your virtual machine (VM_VMAccessUnusualPasswordReset)	An unusual user password reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing the VM Access extension to reset the credentials of a local user in your virtual machine and compromise it.	Credential Access	Medium
Unusual user SSH key reset in your virtual machine (VM_VMAccessUnusualSSHReset)	An unusual user SSH key reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing VM Access extension to reset SSH key of a user account in your virtual machine and compromise it.	Credential Access	Medium
VBScript HTTP object allocation detected	Creation of a VBScript file using Command Prompt has been detected. The following script contains HTTP object allocation command. This action can be used to download malicious files.	-	High
Windows registry persistence method detected (VM_RegistryPersistencyKey)	Analysis of host data has detected an attempt to persist an executable in the Windows registry. Malware often uses such a technique to survive a boot.	Persistence	Low

Alerts for Linux machines

Microsoft Defender for Servers Plan 2 provides unique detections and alerts, in addition to the ones provided by Microsoft Defender for Endpoint. The alerts provided for Linux machines are:

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
a history file has been cleared	Analysis of host data indicates that the command history log file has been cleared. Attackers may do this to cover their traces. The operation was performed by user: '%{user name}'.	-	Medium
Access of htaccess file detected (VM_SuspectHtaccessFileAccess)	Analysis of host data on %{Compromised Host} detected possible manipulation of a htaccess file. Htaccess is a powerful configuration file that allows you to make multiple changes to a web server running the Apache Web software including basic redirect functionality, or for more advanced functions such as basic password protection. Attackers will often modify htaccess files on machines they've compromised to gain persistence.	Persistence, Defense Evasion, Execution	Medium
Antimalware broad files exclusion in your virtual machine (VM_AmBroadFilesExclusion)	Files exclusion from antimalware extension with broad exclusion rule was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Such exclusion practically disabling the Antimalware protection. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	-	Medium
Antimalware disabled and code execution in your virtual machine (VM_AmDisablementAndCodeExecution)	Antimalware disabled at the same time as code execution on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers disable antimalware scanners to prevent detection while running unauthorized tools or infecting the machine with malware.	-	High
Antimalware disabled in your virtual machine (VM_AmDisablement)	Antimalware disabled in your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might disable the antimalware on your virtual machine to prevent detection.	Defense Evasion	Medium
Antimalware file exclusion and code execution in your virtual machine (VM_AmFileExclusionAndCodeExecution)	File excluded from your antimalware scanner at the same time as code was executed via a custom script extension on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running unauthorized tools or infecting the machine with malware.	Defense Evasion, Execution	High
Antimalware file exclusion and code execution in your virtual machine (VM_AmTempFileExclusionAndCodeExecution)	Temporary file exclusion from antimalware extension in parallel to execution of code via custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion, Execution	High
Antimalware file exclusion in your virtual machine (VM_AmTempFileExclusion)	File excluded from your antimalware scanner on your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running unauthorized tools or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled in your virtual machine (VM_AmRealtimeProtectionDisabled)	Real-time protection disablement of the antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled temporarily in your virtual machine (VM_AmTempRealtimeProtectionDisablement)	Real-time protection temporary disablement of the antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware real-time protection was disabled temporarily while code was executed in your virtual machine (VM_AmRealtimeProtectionDisablementAndCodeExec)	Real-time protection temporary disablement of the antimalware extension in parallel to code execution via custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might disable real-time protection from the antimalware scan on your virtual machine to avoid detection while running arbitrary code or infecting the machine with malware.	-	High
Antimalware scans blocked for files potentially related to malware campaigns on your virtual machine (Preview) (VM_AmMalwareCampaignRelatedExclusion)	An exclusion rule was detected in your virtual machine to prevent your antimalware extension scanning certain files that are suspected of being related to a malware campaign. The rule was detected by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from antimalware scans to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Antimalware temporarily disabled in your virtual machine (VM_AmTemporarilyDisablement)	Antimalware temporarily disabled in your virtual machine. This was detected by analyzing Azure Resource Manager operations in your subscription. Attackers might disable the antimalware on your virtual machine to prevent detection.	-	Medium
Antimalware unusual file exclusion in your virtual machine (VM_UnusualAmFileExclusion)	Unusual file exclusion from antimalware extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers might exclude files from the antimalware scan on your virtual machine to prevent detection while running arbitrary code or infecting the machine with malware.	Defense Evasion	Medium
Attempt to stop apt-daily-upgrade.timer service detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected an attempt to stop apt-daily-upgrade.timer service. In some recent attacks, attackers have been observed stopping this service, to download malicious files and granting execution privileges for their attack. This behavior was seen [x] times today on the following machines: [Machine names]	-	Low
Attempt to stop apt-daily-upgrade.timer service detected (VM_TimerServiceDisabled)	Analysis of host data on %{Compromised Host} detected an attempt to stop apt-daily-upgrade.timer service. In some recent attacks, attackers have been observed stopping this service, to download malicious files and granting execution privileges for their attack.	Defense Evasion	Low
Behavior similar to common Linux bots detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of a process normally associated with common Linux botnets. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Behavior similar to common Linux bots detected (VM_CommonBot)	Analysis of host data on %{Compromised Host} detected the execution of a process normally associated with common Linux botnets.	Execution, Collection, Command and Control	Medium
Behavior similar to Fairware ransomware detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of rm -rf commands applied to suspicious locations. As rm -rf will recursively delete files, it's normally used on discrete folders. In this case, it's being used in a location that could remove a lot of data. Fairware ransomware is known to execute rm -rf commands in this folder. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Behavior similar to Fairware ransomware detected (VM_FairwareMalware)	Analysis of host data on %{Compromised Host} detected the execution of rm -rf commands applied to suspicious locations. As rm -rf will recursively delete files, it's normally used on discrete folders. In this case, it's being used in a location that could remove a lot of data. Fairware ransomware is known to execute rm -rf commands in this folder.	Execution	Medium
Behavior similar to ransomware detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of files that have resemblance of known ransomware that can prevent users from accessing their system or personal files, and demands ransom payment in order to regain access. This behavior was seen [x] times today on the following machines: [Machine names]	-	High
Communication with suspicious domain identified by threat intelligence (AzureDNS_ThreatIntelSuspectDomain)	Communication with suspicious domain was detected by analyzing DNS transactions from your resource and comparing against known malicious domains identified by threat intelligence feeds. Communication to malicious domains is frequently performed by attackers and could imply that your resource is compromised.	Initial Access, Persistence, Execution, Command And Control, Exploitation	Medium
Container with a miner image detected (VM_MinerInContainerImage)	Machine logs indicate execution of a Docker container that run an image associated with a digital currency mining.	Execution	High
Crypto coin miner execution (VM_CryptoCoinMinerExecution)	Analysis of host/device data detected a process being started in a way very similar to a coin mining process.	Execution	Medium
Custom script extension with suspicious command in your virtual machine (VM_CustomScriptExtensionSuspiciousCmd)	Custom script extension with suspicious command was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extension to execute a malicious code on your virtual machine via the Azure Resource Manager.	Execution	Medium
Custom script extension with suspicious entry-point in your virtual machine (VM_CustomScriptExtensionSuspiciousEntryPoint)	Custom script extension with a suspicious entry-point was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. The entry-point refers to a suspicious GitHub repository. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Custom script extension with suspicious payload in your virtual machine (VM_CustomScriptExtensionSuspiciousPayload)	Custom script extension with a payload from a suspicious GitHub repository was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Detected anomalous mix of upper and lower case characters in command line	Analysis of host data on %{Compromised Host} detected a command line with anomalous mix of upper and lower case characters. This kind of pattern, while possibly benign, is also typical of attackers trying to hide from case-sensitive or hash-based rule matching when performing administrative tasks on a compromised host.	-	Medium
Detected file download from a known malicious source [seen multiple times] (VM_SuspectDownload)	Analysis of host data has detected the download of a file from a known malware source on %{Compromised Host}. This behavior was seen over [x] times today on the following machines: [Machine names]	Privilege Escalation, Execution, Exfiltration, Command and Control	Medium
Detected file download from a known malicious source	Analysis of host data has detected the download of a file from a known malware source on %{Compromised Host}.	-	Medium
Detected persistence attempt [seen multiple times]	Analysis of host data on %{Compromised Host} has detected installation of a startup script for single-user mode. It's extremely rare that any legitimate process needs to execute in that mode, so this may indicate that an attacker has added a malicious process to every run-level to guarantee persistence. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Detected persistence attempt (VM_NewSingleUserModeStartupScript)	Host data analysis has detected that a startup script for single-user mode has been installed. Because it's rare that any legitimate process would be required to run in that mode, this might indicate that an attacker has added a malicious process to every run-level to guarantee persistence.	Persistence	Medium
Detected suspicious file download [seen multiple times]	Analysis of host data has detected suspicious download of remote file on %{Compromised Host}. This behavior was seen 10 times today on the following machines: [Machine name]	-	Low
Detected suspicious file download (VM_SuspectDownloadArtifacts)	Analysis of host data has detected suspicious download of remote file on %{Compromised Host}.	Persistence	Low
Detected suspicious network activity	Analysis of network traffic from %{Compromised Host} detected suspicious network activity. Such traffic, while possibly benign, is typically used by an attacker to communicate with malicious servers for downloading of tools, command-and-control and exfiltration of data. Typical related attacker activity includes copying remote administration tools to a compromised host and exfiltrating user data from it.	-	Low
Detected suspicious use of the useradd command [seen multiple times]	Analysis of host data has detected suspicious use of the useradd command on %{Compromised Host}. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Detected suspicious use of the useradd command (VM_SuspectUserAddition)	Analysis of host data has detected suspicious use of the useradd command on %{Compromised Host}.	Persistence	Medium
Digital currency mining related behavior detected	Analysis of host data on %{Compromised Host} detected the execution of a process or command normally associated with digital currency mining.	-	High
Disabling of auditd logging [seen multiple times]	The Linux Audit system provides a way to track security-relevant information on the system. It records as much information about the events that are happening on your system as possible. Disabling auditd logging could hamper discovering violations of security policies used on the system. This behavior was seen [x] times today on the following machines: [Machine names]	-	Low
Executable found running from a suspicious location (VM_SuspectExecutablePath)	Analysis of host data detected an executable file on %{Compromised Host} that is running from a location in common with known suspicious files. This executable could either be legitimate activity, or an indication of a compromised host.	Execution	High
Exploitation of Xorg vulnerability [seen multiple times]	Analysis of host data on %{Compromised Host} detected the user of Xorg with suspicious arguments. Attackers may use this technique in privilege escalation attempts. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Exposed Docker daemon on TCP socket (VM_ExposedDocker)	Machine logs indicate that your Docker daemon (dockerd) exposes a TCP socket. By default, Docker configuration, doesn't use encryption or authentication when a TCP socket is enabled. This enables full access to the Docker daemon, by anyone with access to the relevant port.	Execution, Exploitation	Medium
Failed SSH brute force attack (VM_SshBruteForceFailed)	Failed brute force attacks were detected from the following attackers: %{Attackers}. Attackers were trying to access the host with the following user names: %{Accounts used on failed sign in to host attempts}.	Probing	Medium
Fileless Attack Behavior Detected (VM_FilelessAttackBehavior.Linux)	The memory of the process specified below contains behaviors commonly used by fileless attacks. Specific behaviors include: {list of observed behaviors}	Execution	Low
Fileless Attack Technique Detected (VM_FilelessAttackTechnique.Linux)	The memory of the process specified below contains evidence of a fileless attack technique. Fileless attacks are used by attackers to execute code while evading detection by security software. Specific behaviors include: {list of observed behaviors}	Execution	High
Fileless Attack Toolkit Detected (VM_FilelessAttackToolkit.Linux)	The memory of the process specified below contains a fileless attack toolkit: {ToolKitName}. Fileless attack toolkits typically don't have a presence on the filesystem, making detection by traditional anti-virus software difficult. Specific behaviors include: {list of observed behaviors}	Defense Evasion, Execution	High
Hidden file execution detected	Analysis of host data indicates that a hidden file was executed by %{user name}. This activity could either be legitimate activity, or an indication of a compromised host.	-	Informational
Indicators associated with DDOS toolkit detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected file names that are part of a toolkit associated with malware capable of launching DDoS attacks, opening ports and services and taking full control over the infected system. This could also possibly be legitimate activity. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Indicators associated with DDOS toolkit detected (VM_KnownLinuxDDoSToolkit)	Analysis of host data on %{Compromised Host} detected file names that are part of a toolkit associated with malware capable of launching DDoS attacks, opening ports and services and taking full control over the infected system. This could also possibly be legitimate activity.	Persistence, Lateral Movement, Execution, Exploitation	Medium
Local host reconnaissance detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of a command normally associated with common Linux bot reconnaissance. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Local host reconnaissance detected (VM_LinuxReconnaissance)	Analysis of host data on %{Compromised Host} detected the execution of a command normally associated with common Linux bot reconnaissance.	Discovery	Medium
Manipulation of host firewall detected [seen multiple times] (VM_FirewallDisabled)	Analysis of host data on %{Compromised Host} detected possible manipulation of the on-host firewall. Attackers will often disable this to exfiltrate data. This behavior was seen [x] times today on the following machines: [Machine names]	Defense Evasion, Exfiltration	Medium
Manipulation of host firewall detected	Analysis of host data on %{Compromised Host} detected possible manipulation of the on-host firewall. Attackers will often disable this to exfiltrate data.	-	Medium
MITRE Caldera agent detected (VM_MitreCalderaTools)	Machine logs indicate that the suspicious process: '%{Suspicious Process}' was running on %{Compromised Host}. This is often associated with the MITRE 54ndc47 agent, which could be used maliciously to attack other machines in some way.	All	Medium
New SSH key added [seen multiple times] (VM_SshKeyAddition)	A new SSH key was added to the authorized keys file. This behavior was seen [x] times today on the following machines: [Machine names]	Persistence	Low
New SSH key added	A new SSH key was added to the authorized keys file	-	Low
Possible attack tool detected [seen multiple times]	Machine logs indicate that the suspicious process: '%{Suspicious Process}' was running on %{Compromised Host}. This tool is often associated with malicious users attacking other machines in some way. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Possible attack tool detected (VM_KnownLinuxAttackTool)	Machine logs indicate that the suspicious process: '%{Suspicious Process}' was running on %{Compromised Host}. This tool is often associated with malicious users attacking other machines in some way.	Execution, Collection, Command and Control, Probing	Medium
Possible backdoor detected [seen multiple times]	Analysis of host data has detected a suspicious file being downloaded then run on %{Compromised Host} in your subscription. This activity has previously been associated with installation of a backdoor. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Possible credential access tool detected [seen multiple times]	Machine logs indicate a possible known credential access tool was running on %{Compromised Host} launched by process: '%{Suspicious Process}'. This tool is often associated with attacker attempts to access credentials. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Possible credential access tool detected (VM_KnownLinuxCredentialAccessTool)	Machine logs indicate a possible known credential access tool was running on %{Compromised Host} launched by process: '%{Suspicious Process}'. This tool is often associated with attacker attempts to access credentials.	Credential Access	Medium
Possible data exfiltration [seen multiple times]	Analysis of host data on %{Compromised Host} detected a possible data egress condition. Attackers will often egress data from machines they've compromised. This behavior was seen [x]] times today on the following machines: [Machine names]	-	Medium
Possible data exfiltration (VM_DataEgressArtifacts)	Analysis of host data on %{Compromised Host} detected a possible data egress condition. Attackers will often egress data from machines they've compromised.	Collection, Exfiltration	Medium
Possible exploitation of Hadoop Yarn (VM_HadoopYarnExploit)	Analysis of host data on %{Compromised Host} detected the possible exploitation of the Hadoop Yarn service.	Exploitation	Medium
Possible exploitation of the mailserver detected (VM_MailserverExploitation )	Analysis of host data on %{Compromised Host} detected an unusual execution under the mail server account	Exploitation	Medium
Possible Log Tampering Activity Detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected possible removal of files that tracks user's activity during the course of its operation. Attackers often try to evade detection and leave no trace of malicious activities by deleting such log files. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Possible Log Tampering Activity Detected (VM_SystemLogRemoval)	Analysis of host data on %{Compromised Host} detected possible removal of files that tracks user's activity during the course of its operation. Attackers often try to evade detection and leave no trace of malicious activities by deleting such log files.	Defense Evasion	Medium
Possible malicious web shell detected [seen multiple times] (VM_Webshell)	Analysis of host data on %{Compromised Host} detected a possible web shell. Attackers will often upload a web shell to a machine they've compromised to gain persistence or for further exploitation. This behavior was seen [x] times today on the following machines: [Machine names]	Persistence, Exploitation	Medium
Possible malicious web shell detected	Analysis of host data on %{Compromised Host} detected a possible web shell. Attackers will often upload a web shell to a machine they've compromised to gain persistence or for further exploitation.	-	Medium
Possible password change using crypt-method detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected password change using crypt method. Attackers can make this change to continue access and gaining persistence after compromise. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Potential overriding of common files [seen multiple times]	Analysis of host data has detected common executables being overwritten on %{Compromised Host}. Attackers will overwrite common files as a way to obfuscate their actions or for persistence. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Potential overriding of common files (VM_OverridingCommonFiles)	Analysis of host data has detected common executables being overwritten on %{Compromised Host}. Attackers will overwrite common files as a way to obfuscate their actions or for persistence.	Persistence	Medium
Potential port forwarding to external IP address [seen multiple times]	Analysis of host data on %{Compromised Host} detected the initiation of port forwarding to an external IP address. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Potential port forwarding to external IP address (VM_SuspectPortForwarding)	Host data analysis detected the initiation of port forwarding to an external IP address.	Exfiltration, Command and Control	Medium
Potential reverse shell detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected a potential reverse shell. These are used to get a compromised machine to call back into a machine an attacker owns. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Potential reverse shell detected (VM_ReverseShell)	Analysis of host data on %{Compromised Host} detected a potential reverse shell. These are used to get a compromised machine to call back into a machine an attacker owns.	Exfiltration, Exploitation	Medium
Privileged command run in container (VM_PrivilegedExecutionInContainer)	Machine logs indicate that a privileged command was run in a Docker container. A privileged command has extended privileges on the host machine.	Privilege Escalation	Low
Privileged Container Detected (VM_PrivilegedContainerArtifacts)	Machine logs indicate that a privileged Docker container is running. A privileged container has a full access to the host's resources. If compromised, an attacker can use the privileged container to gain access to the host machine.	Privilege Escalation, Execution	Low
Process associated with digital currency mining detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of a process normally associated with digital currency mining. This behavior was seen over 100 times today on the following machines: [Machine name]	-	Medium
Process associated with digital currency mining detected	Host data analysis detected the execution of a process that is normally associated with digital currency mining.	Exploitation, Execution	Medium
Process seen accessing the SSH authorized keys file in an unusual way (VM_SshKeyAccess)	An SSH authorized keys file has been accessed in a method similar to known malware campaigns. This access can indicate that an attacker is attempting to gain persistent access to a machine.	-	Low
Python encoded downloader detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected the execution of encoded Python that downloads and runs code from a remote location. This may be an indication of malicious activity. This behavior was seen [x] times today on the following machines: [Machine names]	-	Low
Screenshot taken on host [seen multiple times]	Analysis of host data on %{Compromised Host} detected the user of a screen capture tool. Attackers may use these tools to access private data. This behavior was seen [x] times today on the following machines: [Machine names]	-	Low
Script extension mismatch detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected a mismatch between the script interpreter and the extension of the script file provided as input. This has frequently been associated with attacker script executions. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Script extension mismatch detected (VM_MismatchedScriptFeatures)	Analysis of host data on %{Compromised Host} detected a mismatch between the script interpreter and the extension of the script file provided as input. This has frequently been associated with attacker script executions.	Defense Evasion	Medium
Shellcode detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected shellcode being generated from the command line. This process could be legitimate activity, or an indication that one of your machines has been compromised. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Successful SSH brute force attack (VM_SshBruteForceSuccess)	Analysis of host data has detected a successful brute force attack. The IP %{Attacker source IP} was seen making multiple login attempts. Successful logins were made from that IP with the following user(s): %{Accounts used to successfully sign in to host}. This means that the host may be compromised and controlled by a malicious actor.	Exploitation	High
Suspect Password File Access (VM_SuspectPasswordFileAccess)	Analysis of host data has detected suspicious access to encrypted user passwords.	Persistence	Informational
Suspicious Account Creation Detected	Analysis of host data on %{Compromised Host} detected creation or use of a local account %{Suspicious account name} : this account name closely resembles a standard Windows account or group name '%{Similar To Account Name}'. This is potentially a rogue account created by an attacker, so named in order to avoid being noticed by a human administrator.	-	Medium
Suspicious compilation detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected suspicious compilation. Attackers will often compile exploits on a machine they've compromised to escalate privileges. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Suspicious compilation detected (VM_SuspectCompilation)	Analysis of host data on %{Compromised Host} detected suspicious compilation. Attackers will often compile exploits on a machine they've compromised to escalate privileges.	Privilege Escalation, Exploitation	Medium
Suspicious DNS Over Https (VM_SuspiciousDNSOverHttps)	Analysis of host data indicates the use of a DNS call over HTTPS in an uncommon fashion. This technique is used by attackers to hide calls out to suspect or malicious sites.	DefenseEvasion, Exfiltration	Medium
Suspicious failed execution of custom script extension in your virtual machine (VM_CustomScriptExtensionSuspiciousFailure)	Suspicious failure of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Such failures may be associated with malicious scripts run by this extension.	Execution	Medium
Suspicious kernel module detected [seen multiple times]	Analysis of host data on %{Compromised Host} detected a shared object file being loaded as a kernel module. This could be legitimate activity, or an indication that one of your machines has been compromised. This behavior was seen [x] times today on the following machines: [Machine names]	-	Medium
Suspicious password access [seen multiple times]	Analysis of host data has detected suspicious access to encrypted user passwords on %{Compromised Host}. This behavior was seen [x] times today on the following machines: [Machine names]	-	Informational
Suspicious password access	Analysis of host data has detected suspicious access to encrypted user passwords on %{Compromised Host}.	-	Informational
Suspicious PHP execution detected (VM_SuspectPhp)	Machine logs indicate that a suspicious PHP process is running. The action included an attempt to run OS commands or PHP code from the command line using the PHP process. While this behavior can be legitimate, in web applications this behavior is also observed in malicious activities such as attempts to infect websites with web shells.	Execution	Medium
Suspicious request to the Kubernetes Dashboard (VM_KubernetesDashboard)	Machine logs indicate that a suspicious request was made to the Kubernetes Dashboard. The request was sent from a Kubernetes node, possibly from one of the containers running in the node. Although this behavior can be intentional, it might indicate that the node is running a compromised container.	LateralMovement	Medium
Threat Intel Command Line Suspect Domain (VM_ThreatIntelCommandLineSuspectDomain)	The process 'PROCESSNAME' on 'HOST' connected to a location that has been reported to be malicious or unusual. This is an indicator that a compromise may have occurred.	Initial Access	Medium
Unusual config reset in your virtual machine (VM_VMAccessUnusualConfigReset)	An unusual config reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing VM Access extension to reset the configuration in your virtual machine and compromise it.	Credential Access	Medium
Unusual deletion of custom script extension in your virtual machine (VM_CustomScriptExtensionUnusualDeletion)	Unusual deletion of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Unusual execution of custom script extension in your virtual machine (VM_CustomScriptExtensionUnusualExecution)	Unusual execution of a custom script extension was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. Attackers may use custom script extensions to execute malicious code on your virtual machines via the Azure Resource Manager.	Execution	Medium
Unusual user password reset in your virtual machine (VM_VMAccessUnusualPasswordReset)	An unusual user password reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing the VM Access extension to reset the credentials of a local user in your virtual machine and compromise it.	Credential Access	Medium
Unusual user SSH key reset in your virtual machine (VM_VMAccessUnusualSSHReset)	An unusual user SSH key reset was detected in your virtual machine by analyzing the Azure Resource Manager operations in your subscription. While this action may be legitimate, attackers can try utilizing VM Access extension to reset SSH key of a user account in your virtual machine and compromise it.	Credential Access	Medium

Alerts for Azure App Service

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
An attempt to run Linux commands on a Windows App Service (AppServices_LinuxCommandOnWindows)	Analysis of App Service processes detected an attempt to run a Linux command on a Windows App Service. This action was running by the web application. This behavior is often seen during campaigns that exploit a vulnerability in a common web application. (Applies to: App Service on Windows)	-	Medium
An IP that connected to your Azure App Service FTP Interface was found in Threat Intelligence (AppServices_IncomingTiClientIpFtp)	Azure App Service FTP log indicates a connection from a source address that was found in the threat intelligence feed. During this connection, a user accessed the pages listed. (Applies to: App Service on Windows and App Service on Linux)	Initial Access	Medium
Attempt to run high privilege command detected (AppServices_HighPrivilegeCommand)	Analysis of App Service processes detected an attempt to run a command that requires high privileges. The command ran in the web application context. While this behavior can be legitimate, in web applications this behavior is also observed in malicious activities. (Applies to: App Service on Windows)	-	Medium
Communication with suspicious domain identified by threat intelligence (AzureDNS_ThreatIntelSuspectDomain)	Communication with suspicious domain was detected by analyzing DNS transactions from your resource and comparing against known malicious domains identified by threat intelligence feeds. Communication to malicious domains is frequently performed by attackers and could imply that your resource is compromised.	Initial Access, Persistence, Execution, Command And Control, Exploitation	Medium
Connection to web page from anomalous IP address detected (AppServices_AnomalousPageAccess)	Azure App Service activity log indicates an anomalous connection to a sensitive web page from the listed source IP address. This might indicate that someone is attempting a brute force attack into your web app administration pages. It might also be the result of a new IP address being used by a legitimate user. If the source IP address is trusted, you can safely suppress this alert for this resource. To learn how to suppress security alerts, see Suppress alerts from Microsoft Defender for Cloud. (Applies to: App Service on Windows and App Service on Linux)	Initial Access	Low
Dangling DNS record for an App Service resource detected (AppServices_DanglingDomain)	A DNS record that points to a recently deleted App Service resource (also known as "dangling DNS" entry) has been detected. This leaves you susceptible to a subdomain takeover. Subdomain takeovers enable malicious actors to redirect traffic intended for an organization’s domain to a site performing malicious activity. (Applies to: App Service on Windows and App Service on Linux)	-	High
Detected encoded executable in command line data (AppServices_Base64EncodedExecutableInCommandLineParams)	Analysis of host data on {Compromised host} detected a base-64 encoded executable. This has previously been associated with attackers attempting to construct executables on-the-fly through a sequence of commands, and attempting to evade intrusion detection systems by ensuring that no individual command would trigger an alert. This could be legitimate activity, or an indication of a compromised host. (Applies to: App Service on Windows)	Defense Evasion, Execution	High
Detected file download from a known malicious source (AppServices_SuspectDownload)	Analysis of host data has detected the download of a file from a known malware source on your host. (Applies to: App Service on Linux)	Privilege Escalation, Execution, Exfiltration, Command and Control	Medium
Detected suspicious file download (AppServices_SuspectDownloadArtifacts)	Analysis of host data has detected suspicious download of remote file. (Applies to: App Service on Linux)	Persistence	Medium
Digital currency mining related behavior detected (AppServices_DigitalCurrencyMining)	Analysis of host data on Inn-Flow-WebJobs detected the execution of a process or command normally associated with digital currency mining. (Applies to: App Service on Windows and App Service on Linux)	Execution	High
Executable decoded using certutil (AppServices_ExecutableDecodedUsingCertutil)	Analysis of host data on [Compromised entity] detected that certutil.exe, a built-in administrator utility, was being used to decode an executable instead of its mainstream purpose that relates to manipulating certificates and certificate data. Attackers are known to abuse functionality of legitimate administrator tools to perform malicious actions, for example using a tool such as certutil.exe to decode a malicious executable that will then be subsequently executed. (Applies to: App Service on Windows)	Defense Evasion, Execution	High
Fileless Attack Behavior Detected (AppServices_FilelessAttackBehaviorDetection)	The memory of the process specified below contains behaviors commonly used by fileless attacks. Specific behaviors include: {list of observed behaviors} (Applies to: App Service on Windows and App Service on Linux)	Execution	Medium
Fileless Attack Technique Detected (AppServices_FilelessAttackTechniqueDetection)	The memory of the process specified below contains evidence of a fileless attack technique. Fileless attacks are used by attackers to execute code while evading detection by security software. Specific behaviors include: {list of observed behaviors} (Applies to: App Service on Windows and App Service on Linux)	Execution	High
Fileless Attack Toolkit Detected (AppServices_FilelessAttackToolkitDetection)	The memory of the process specified below contains a fileless attack toolkit: {ToolKitName}. Fileless attack toolkits typically do not have a presence on the filesystem, making detection by traditional anti-virus software difficult. Specific behaviors include: {list of observed behaviors} (Applies to: App Service on Windows and App Service on Linux)	Defense Evasion, Execution	High
Microsoft Defender for Cloud test alert for App Service (not a threat) (AppServices_EICAR)	This is a test alert generated by Microsoft Defender for Cloud. No further action is needed. (Applies to: App Service on Windows and App Service on Linux)	-	High
NMap scanning detected (AppServices_Nmap)	Azure App Service activity log indicates a possible web fingerprinting activity on your App Service resource. The suspicious activity detected is associated with NMAP. Attackers often use this tool for probing the web application to find vulnerabilities. (Applies to: App Service on Windows and App Service on Linux)	PreAttack	Medium
Phishing content hosted on Azure Webapps (AppServices_PhishingContent)	URL used for phishing attack found on the Azure AppServices website. This URL was part of a phishing attack sent to Microsoft 365 customers. The content typically lures visitors into entering their corporate credentials or financial information into a legitimate looking website. (Applies to: App Service on Windows and App Service on Linux)	Collection	High
PHP file in upload folder (AppServices_PhpInUploadFolder)	Azure App Service activity log indicates an access to a suspicious PHP page located in the upload folder. This type of folder does not usually contain PHP files. The existence of this type of file might indicate an exploitation taking advantage of arbitrary file upload vulnerabilities. (Applies to: App Service on Windows and App Service on Linux)	Execution	Medium
Possible Cryptocoinminer download detected (AppServices_CryptoCoinMinerDownload)	Analysis of host data has detected the download of a file normally associated with digital currency mining. (Applies to: App Service on Linux)	Defense Evasion, Command and Control, Exploitation	Medium
Possible data exfiltration detected (AppServices_DataEgressArtifacts)	Analysis of host/device data detected a possible data egress condition. Attackers will often egress data from machines they have compromised. (Applies to: App Service on Linux)	Collection, Exfiltration	Medium
Potential dangling DNS record for an App Service resource detected (AppServices_PotentialDanglingDomain)	A DNS record that points to a recently deleted App Service resource (also known as "dangling DNS" entry) has been detected. This might leave you susceptible to a subdomain takeover. Subdomain takeovers enable malicious actors to redirect traffic intended for an organization’s domain to a site performing malicious activity. In this case, a text record with the Domain Verification ID was found. Such text records prevent subdomain takeover but we still recommend removing the dangling domain. If you leave the DNS record pointing at the subdomain you’re at risk if anyone in your organization deletes the TXT file or record in the future. (Applies to: App Service on Windows and App Service on Linux)	-	Low
Potential reverse shell detected (AppServices_ReverseShell)	Analysis of host data detected a potential reverse shell. These are used to get a compromised machine to call back into a machine an attacker owns. (Applies to: App Service on Linux)	Exfiltration, Exploitation	Medium
Raw data download detected (AppServices_DownloadCodeFromWebsite)	Analysis of App Service processes detected an attempt to download code from raw-data websites such as Pastebin. This action was run by a PHP process. This behavior is associated with attempts to download web shells or other malicious components to the App Service. (Applies to: App Service on Windows)	Execution	Medium
Saving curl output to disk detected (AppServices_CurlToDisk)	Analysis of App Service processes detected the running of a curl command in which the output was saved to the disk. While this behavior can be legitimate, in web applications this behavior is also observed in malicious activities such as attempts to infect websites with web shells. (Applies to: App Service on Windows)	-	Low
Spam folder referrer detected (AppServices_SpamReferrer)	Azure App Service activity log indicates web activity that was identified as originating from a web site associated with spam activity. This can occur if your website is compromised and used for spam activity. (Applies to: App Service on Windows and App Service on Linux)	-	Low
Suspicious access to possibly vulnerable web page detected (AppServices_ScanSensitivePage)	Azure App Service activity log indicates a web page that seems to be sensitive was accessed. This suspicious activity originated from a source IP address whose access pattern resembles that of a web scanner. This activity is often associated with an attempt by an attacker to scan your network to try and gain access to sensitive or vulnerable web pages. (Applies to: App Service on Windows and App Service on Linux)	-	Low
Suspicious domain name reference (AppServices_CommandlineSuspectDomain)	Analysis of host data detected reference to suspicious domain name. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools. (Applies to: App Service on Linux)	Exfiltration	Low
Suspicious download using Certutil detected (AppServices_DownloadUsingCertutil)	Analysis of host data on {NAME} detected the use of certutil.exe, a built-in administrator utility, for the download of a binary instead of its mainstream purpose that relates to manipulating certificates and certificate data. Attackers are known to abuse functionality of legitimate administrator tools to perform malicious actions, for example using certutil.exe to download and decode a malicious executable that will then be subsequently executed. (Applies to: App Service on Windows)	Execution	Medium
Suspicious PHP execution detected (AppServices_SuspectPhp)	Machine logs indicate that a suspicious PHP process is running. The action included an attempt to run operating system commands or PHP code from the command line, by using the PHP process. While this behavior can be legitimate, in web applications this behavior might indicate malicious activities, such as attempts to infect websites with web shells. (Applies to: App Service on Windows and App Service on Linux)	Execution	Medium
Suspicious PowerShell cmdlets executed (AppServices_PowerShellPowerSploitScriptExecution)	Analysis of host data indicates execution of known malicious PowerShell PowerSploit cmdlets. (Applies to: App Service on Windows)	Execution	Medium
Suspicious process executed (AppServices_KnownCredential AccessTools)	Machine logs indicate that the suspicious process: '%{process path}' was running on the machine, often associated with attacker attempts to access credentials. (Applies to: App Service on Windows)	Credential Access	High
Suspicious process name detected (AppServices_ProcessWithKnownSuspiciousExtension)	Analysis of host data on {NAME} detected a process whose name is suspicious, for example corresponding to a known attacker tool or named in a way that is suggestive of attacker tools that try to hide in plain sight. This process could be legitimate activity, or an indication that one of your machines has been compromised. (Applies to: App Service on Windows)	Persistence, Defense Evasion	Medium
Suspicious SVCHOST process executed (AppServices_SVCHostFromInvalidPath)	The system process SVCHOST was observed running in an abnormal context. Malware often use SVCHOST to mask its malicious activity. (Applies to: App Service on Windows)	Defense Evasion, Execution	High
Suspicious User Agent detected (AppServices_UserAgentInjection)	Azure App Service activity log indicates requests with suspicious user agent. This behavior can indicate on attempts to exploit a vulnerability in your App Service application. (Applies to: App Service on Windows and App Service on Linux)	Initial Access	Medium
Suspicious WordPress theme invocation detected (AppServices_WpThemeInjection)	Azure App Service activity log indicates a possible code injection activity on your App Service resource. The suspicious activity detected resembles that of a manipulation of WordPress theme to support server side execution of code, followed by a direct web request to invoke the manipulated theme file. This type of activity was seen in the past as part of an attack campaign over WordPress. If your App Service resource isn’t hosting a WordPress site, it isn’t vulnerable to this specific code injection exploit and you can safely suppress this alert for the resource. To learn how to suppress security alerts, see Suppress alerts from Microsoft Defender for Cloud. (Applies to: App Service on Windows and App Service on Linux)	Execution	High
Vulnerability scanner detected (AppServices_DrupalScanner)	Azure App Service activity log indicates that a possible vulnerability scanner was used on your App Service resource. The suspicious activity detected resembles that of tools targeting a content management system (CMS). If your App Service resource isn’t hosting a Drupal site, it isn’t vulnerable to this specific code injection exploit and you can safely suppress this alert for the resource. To learn how to suppress security alerts, see Suppress alerts from Microsoft Defender for Cloud. (Applies to: App Service on Windows)	PreAttack	Medium
Vulnerability scanner detected (AppServices_JoomlaScanner)	Azure App Service activity log indicates that a possible vulnerability scanner was used on your App Service resource. The suspicious activity detected resembles that of tools targeting Joomla applications. If your App Service resource isn’t hosting a Joomla site, it isn’t vulnerable to this specific code injection exploit and you can safely suppress this alert for the resource. To learn how to suppress security alerts, see Suppress alerts from Microsoft Defender for Cloud. (Applies to: App Service on Windows and App Service on Linux)	PreAttack	Medium
Vulnerability scanner detected (AppServices_WpScanner)	Azure App Service activity log indicates that a possible vulnerability scanner was used on your App Service resource. The suspicious activity detected resembles that of tools targeting WordPress applications. If your App Service resource isn’t hosting a WordPress site, it isn’t vulnerable to this specific code injection exploit and you can safely suppress this alert for the resource. To learn how to suppress security alerts, see Suppress alerts from Microsoft Defender for Cloud. (Applies to: App Service on Windows and App Service on Linux)	PreAttack	Medium
Web fingerprinting detected (AppServices_WebFingerprinting)	Azure App Service activity log indicates a possible web fingerprinting activity on your App Service resource. The suspicious activity detected is associated with a tool called Blind Elephant. The tool fingerprint web servers and tries to detect the installed applications and version. Attackers often use this tool for probing the web application to find vulnerabilities. (Applies to: App Service on Windows and App Service on Linux)	PreAttack	Medium
Website is tagged as malicious in threat intelligence feed (AppServices_SmartScreen)	Your website as described below is marked as a malicious site by Windows SmartScreen. If you think this is a false positive, contact Windows SmartScreen via report feedback link provided. (Applies to: App Service on Windows and App Service on Linux)	Collection	Medium

Alerts for containers - Kubernetes clusters

Microsoft Defender for Containers provides security alerts on the cluster level and on the underlying cluster nodes by monitoring both control plane (API server) and the containerized workload itself. Control plane security alerts can be recognized by a prefix of K8S_ of the alert type. Security alerts for runtime workload in the clusters can be recognized by the K8S.NODE_ prefix of the alert type. All alerts are supported on Linux only, unless otherwise indicated.

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Attempt to create a new Linux namespace from a container detected (K8S.NODE_NamespaceCreation) 1	Analysis of processes running within a container in Kubernetes cluster detected an attempt to create a new Linux namespace. While this behavior might be legitimate, it might indicate that an attacker tries to escape from the container to the node. Some CVE-2022-0185 exploitations use this technique.	PrivilegeEscalation	Medium
A history file has been cleared (K8S.NODE_HistoryFileCleared) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected that the command history log file has been cleared. Attackers may do this to cover their tracks. The operation was performed by the specified user account.	DefenseEvasion	Medium
Abnormal activity of managed identity associated with Kubernetes (Preview) (K8S_AbnormalMiAcitivty)	Analysis of Azure Resource Manager operations detected an abnormal behavior of a managed identity used by an AKS addon. The detected activity isn't consistent with the behavior of the associated addon. While this activity can be legitimate, such behavior might indicate that the identity was gained by an attacker, possibly from a compromised container in the Kubernetes cluster.	Lateral Movement	Medium
Abnormal Kubernetes service account operation detected (K8S_ServiceAccountRareOperation)	Kubernetes audit log analysis detected abnormal behavior by a service account in your Kubernetes cluster. The service account was used for an operation which isn't common for this service account. While this activity can be legitimate, such behavior might indicate that the service account is being used for malicious purposes.	Lateral Movement, Credential Access	Medium
An uncommon connection attempt detected (K8S.NODE_SuspectConnection) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected an uncommon connection attempt utilizing a socks protocol. This is very rare in normal operations, but a known technique for attackers attempting to bypass network-layer detections.	Execution, Exfiltration, Exploitation	Medium
Anomalous pod deployment (Preview) (K8S_AnomalousPodDeployment) 3	Kubernetes audit log analysis detected pod deployment which is anomalous based on previous pod deployment activity. This activity is considered an anomaly when taking into account how the different features seen in the deployment operation are in relations to one another. The features monitored include the container image registry used, the account performing the deployment, day of the week, how often this account performs pod deployments, user agent used in the operation, whether this is a namespace to which pod deployments often occur, and other features. Top contributing reasons for raising this alert as anomalous activity are detailed under the alert’s extended properties.	Execution	Medium
Anomalous secret access (Preview) (K8S_AnomalousSecretAccess) 2	Kubernetes audit log analysis detected secret access request which is anomalous based on previous secret access activity. This activity is considered an anomaly when taking into account how the different features seen in the secret access operation are in relations to one another. The features monitored by this analytics include the user name used, the name of the secret, the name of the namespace, user agent used in the operation, or other features. Top contributing reasons for raising this alert as anomalous activity are detailed under the alert extended properties.	CredentialAccess	Medium
Attempt to stop apt-daily-upgrade.timer service detected (K8S.NODE_TimerServiceDisabled) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected an attempt to stop apt-daily-upgrade.timer service. Attackers have been observed stopping this service to download malicious files and grant execution privileges for their attacks. This activity can also happen if the service is updated through normal administrative actions.	DefenseEvasion	Informational
Behavior similar to common Linux bots detected (Preview) (K8S.NODE_CommonBot)	Analysis of processes running within a container or directly on a Kubernetes node, has detected the execution of a process normally associated with common Linux botnets.	Execution, Collection, Command And Control	Medium
Behavior similar to Fairware ransomware detected (K8S.NODE_FairwareMalware) 1	Analysis of processes running within a container detected the execution of rm -rf commands applied to suspicious locations. As rm -rf will recursively delete files, it is normally used on discrete folders. In this case, it is being used in a location that could remove a lot of data. Fairware ransomware is known to execute rm -rf commands in this folder.	Execution	Medium
Command within a container running with high privileges (K8S.NODE_PrivilegedExecutionInContainer) 1	Machine logs indicate that a privileged command was run in a Docker container. A privileged command has extended privileges on the host machine.	PrivilegeEscalation	Low
Container running in privileged mode (K8S.NODE_PrivilegedContainerArtifacts) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected the execution of a Docker command that is running a privileged container. The privileged container has full access to the hosting pod or host resource. If compromised, an attacker may use the privileged container to gain access to the hosting pod or host.	PrivilegeEscalation, Execution	Low
Container with a sensitive volume mount detected (K8S_SensitiveMount)	Kubernetes audit log analysis detected a new container with a sensitive volume mount. The volume that was detected is a hostPath type which mounts a sensitive file or folder from the node to the container. If the container gets compromised, the attacker can use this mount for gaining access to the node.	Privilege Escalation	Medium
CoreDNS modification in Kubernetes detected (K8S_CoreDnsModification) 2 3	Kubernetes audit log analysis detected a modification of the CoreDNS configuration. The configuration of CoreDNS can be modified by overriding its configmap. While this activity can be legitimate, if attackers have permissions to modify the configmap, they can change the behavior of the cluster’s DNS server and poison it.	Lateral Movement	Low
Creation of admission webhook configuration detected (K8S_AdmissionController) 3	Kubernetes audit log analysis detected a new admission webhook configuration. Kubernetes has two built-in generic admission controllers: MutatingAdmissionWebhook and ValidatingAdmissionWebhook. The behavior of these admission controllers is determined by an admission webhook that the user deploys to the cluster. The usage of such admission controllers can be legitimate, however attackers can use such webhooks for modifying the requests (in case of MutatingAdmissionWebhook) or inspecting the requests and gain sensitive information (in case of ValidatingAdmissionWebhook).	Credential Access, Persistence	Low
Detected file download from a known malicious source (K8S.NODE_SuspectDownload) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a download of a file from a source frequently used to distribute malware.	PrivilegeEscalation, Execution, Exfiltration, Command And Control	Medium
Detected suspicious file download (K8S.NODE_SuspectDownloadArtifacts) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious download of a remote file.	Persistence	Low
Detected suspicious use of the nohup command (K8S.NODE_SuspectNohup) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious use of the nohup command. Attackers have been seen using the command nohup to run hidden files from a temporary directory to allow their executables to run in the background. It is rare to see this command run on hidden files located in a temporary directory.	Persistence, DefenseEvasion	Medium
Detected suspicious use of the useradd command (K8S.NODE_SuspectUserAddition) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious use of the useradd command.	Persistence	Medium
Digital currency mining container detected (K8S_MaliciousContainerImage) 3	Kubernetes audit log analysis detected a container that has an image associated with a digital currency mining tool.	Execution	High
Digital currency mining related behavior detected (K8S.NODE_DigitalCurrencyMining) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected an execution of a process or command normally associated with digital currency mining.	Execution	High
Docker build operation detected on a Kubernetes node (K8S.NODE_ImageBuildOnNode) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a build operation of a container image on a Kubernetes node. While this behavior might be legitimate, attackers might build their malicious images locally to avoid detection.	DefenseEvasion	Low
Excessive role permissions assigned in Kubernetes cluster (Preview) (K8S_ServiceAcountPermissionAnomaly) 3	Analysis of the Kubernetes audit logs detected an excessive permissions role assignment to your cluster. The listed permissions for the assigned roles are uncommon to the specific service account. This detection considers previous role assignments to the same service account across clusters monitored by Azure, volume per permission, and the impact of the specific permission. The anomaly detection model used for this alert takes into account how this permission is used across all clusters monitored by Microsoft Defender for Cloud.	Privilege Escalation	Low
Executable found running from a suspicious location (Preview) (K8S.NODE_SuspectExecutablePath)	Analysis of processes running within a container or directly on a Kubernetes node, has detected an executable file that is running from a location associated with known suspicious files. This executable could either be legitimate activity, or an indication of a compromised system.	Execution	Medium
Exposed Kubeflow dashboard detected (K8S_ExposedKubeflow)	The Kubernetes audit log analysis detected exposure of the Istio Ingress by a load balancer in a cluster that runs Kubeflow. This action might expose the Kubeflow dashboard to the internet. If the dashboard is exposed to the internet, attackers can access it and run malicious containers or code on the cluster. Find more details in the following article: https://aka.ms/exposedkubeflow-blog	Initial Access	Medium
Exposed Kubernetes dashboard detected (K8S_ExposedDashboard)	Kubernetes audit log analysis detected exposure of the Kubernetes Dashboard by a LoadBalancer service. Exposed dashboard allows an unauthenticated access to the cluster management and poses a security threat.	Initial Access	High
Exposed Kubernetes service detected (K8S_ExposedService)	The Kubernetes audit log analysis detected exposure of a service by a load balancer. This service is related to a sensitive application that allows high impact operations in the cluster such as running processes on the node or creating new containers. In some cases, this service doesn't require authentication. If the service doesn't require authentication, exposing it to the internet poses a security risk.	Initial Access	Medium
Exposed Redis service in AKS detected (K8S_ExposedRedis)	The Kubernetes audit log analysis detected exposure of a Redis service by a load balancer. If the service doesn't require authentication, exposing it to the internet poses a security risk.	Initial Access	Low
Indicators associated with DDOS toolkit detected (K8S.NODE_KnownLinuxDDoSToolkit) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected file names that are part of a toolkit associated with malware capable of launching DDoS attacks, opening ports and services, and taking full control over the infected system. This could also possibly be legitimate activity.	Persistence, LateralMovement, Execution, Exploitation	Medium
K8S API requests from proxy IP address detected (K8S_TI_Proxy) 3	Kubernetes audit log analysis detected API requests to your cluster from an IP address that is associated with proxy services, such as TOR. While this behavior can be legitimate, it's often seen in malicious activities, when attackers try to hide their source IP.	Execution	Low
Kubernetes events deleted (K8S_DeleteEvents) 2 3	Defender for Cloud detected that some Kubernetes events have been deleted. Kubernetes events are objects in Kubernetes which contain information about changes in the cluster. Attackers might delete those events for hiding their operations in the cluster.	Defense Evasion	Low
Kubernetes penetration testing tool detected (K8S_PenTestToolsKubeHunter)	Kubernetes audit log analysis detected usage of Kubernetes penetration testing tool in the AKS cluster. While this behavior can be legitimate, attackers might use such public tools for malicious purposes.	Execution	Low
Manipulation of host firewall detected (K8S.NODE_FirewallDisabled) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a possible manipulation of the on-host firewall. Attackers will often disable this to exfiltrate data.	DefenseEvasion, Exfiltration	Medium
Microsoft Defender for Cloud test alert (not a threat). (K8S.NODE_EICAR) 1	This is a test alert generated by Microsoft Defender for Cloud. No further action is needed.	Execution	High
New container in the kube-system namespace detected (K8S_KubeSystemContainer) 3	Kubernetes audit log analysis detected a new container in the kube-system namespace that isn’t among the containers that normally run in this namespace. The kube-system namespaces should not contain user resources. Attackers can use this namespace for hiding malicious components.	Persistence	Low
New high privileges role detected (K8S_HighPrivilegesRole) 3	Kubernetes audit log analysis detected a new role with high privileges. A binding to a role with high privileges gives the user\group high privileges in the cluster. Unnecessary privileges might cause privilege escalation in the cluster.	Persistence	Low
Possible attack tool detected (K8S.NODE_KnownLinuxAttackTool) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious tool invocation. This tool is often associated with malicious users attacking others.	Execution, Collection, Command And Control, Probing	Medium
Possible backdoor detected (K8S.NODE_LinuxBackdoorArtifact) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious file being downloaded and run. This activity has previously been associated with installation of a backdoor.	Persistence, DefenseEvasion, Execution, Exploitation	Medium
Possible command line exploitation attempt (K8S.NODE_ExploitAttempt) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a possible exploitation attempt against a known vulnerability.	Exploitation	Medium
Possible credential access tool detected (K8S.NODE_KnownLinuxCredentialAccessTool) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a possible known credential access tool was running on the container, as identified by the specified process and commandline history item. This tool is often associated with attacker attempts to access credentials.	CredentialAccess	Medium
Possible Cryptocoinminer download detected (K8S.NODE_CryptoCoinMinerDownload) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected download of a file normally associated with digital currency mining.	DefenseEvasion, Command And Control, Exploitation	Medium
Possible data exfiltration detected (K8S.NODE_DataEgressArtifacts) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a possible data egress condition. Attackers will often egress data from machines they have compromised.	Collection, Exfiltration	Medium
Possible Log Tampering Activity Detected (K8S.NODE_SystemLogRemoval) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a possible removal of files that tracks user's activity during the course of its operation. Attackers often try to evade detection and leave no trace of malicious activities by deleting such log files.	DefenseEvasion	Medium
Possible password change using crypt-method detected (K8S.NODE_SuspectPasswordChange) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a password change using the crypt method. Attackers can make this change to continue access and gain persistence after compromise.	CredentialAccess	Medium
Potential port forwarding to external IP address (K8S.NODE_SuspectPortForwarding) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected an initiation of port forwarding to an external IP address.	Exfiltration, Command And Control	Medium
Potential reverse shell detected (K8S.NODE_ReverseShell) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a potential reverse shell. These are used to get a compromised machine to call back into a machine an attacker owns.	Exfiltration, Exploitation	Medium
Privileged container detected (K8S_PrivilegedContainer)	Kubernetes audit log analysis detected a new privileged container. A privileged container has access to the node’s resources and breaks the isolation between containers. If compromised, an attacker can use the privileged container to gain access to the node.	Privilege Escalation	Low
Process associated with digital currency mining detected (K8S.NODE_CryptoCoinMinerArtifacts) 1	Analysis of processes running within a container detected the execution of a process normally associated with digital currency mining.	Execution, Exploitation	Medium
Process seen accessing the SSH authorized keys file in an unusual way (K8S.NODE_SshKeyAccess) 1	An SSH authorized_keys file was accessed in a method similar to known malware campaigns. This access could signify that an actor is attempting to gain persistent access to a machine.	Unknown	Low
Role binding to the cluster-admin role detected (K8S_ClusterAdminBinding)	Kubernetes audit log analysis detected a new binding to the cluster-admin role which gives administrator privileges. Unnecessary administrator privileges might cause privilege escalation in the cluster.	Persistence	Low
Security-related process termination detected (K8S.NODE_SuspectProcessTermination) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected an attempt to terminate processes related to security monitoring on the container. Attackers will often try to terminate such processes using predefined scripts post-compromise.	Persistence	Low
SSH server is running inside a container (K8S.NODE_ContainerSSH) 1	Analysis of processes running within a container detected an SSH server running inside the container.	Execution	Medium
Suspicious file timestamp modification (K8S.NODE_TimestampTampering) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious timestamp modification. Attackers will often copy timestamps from existing legitimate files to new tools to avoid detection of these newly dropped files.	Persistence, DefenseEvasion	Low
Suspicious request to Kubernetes API (K8S.NODE_KubernetesAPI) 1	Analysis of processes running within a container indicates that a suspicious request was made to the Kubernetes API. The request was sent from a container in the cluster. Although this behavior can be intentional, it might indicate that a compromised container is running in the cluster.	LateralMovement	Medium
Suspicious request to the Kubernetes Dashboard (K8S.NODE_KubernetesDashboard) 1	Analysis of processes running within a container indicates that a suspicious request was made to the Kubernetes Dashboard. The request was sent from a container in the cluster. Although this behavior can be intentional, it might indicate that a compromised container is running in the cluster.	LateralMovement	Medium
Potential crypto coin miner started (K8S.NODE_CryptoCoinMinerExecution) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a process being started in a way normally associated with digital currency mining.	Execution	Medium
Suspicious password access (K8S.NODE_SuspectPasswordFileAccess) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected suspicious attempt to access encrypted user passwords.	Persistence	Informational
Suspicious use of DNS over HTTPS (K8S.NODE_SuspiciousDNSOverHttps) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected the use of a DNS call over HTTPS in an uncommon fashion. This technique is used by attackers to hide calls out to suspect or malicious sites.	DefenseEvasion, Exfiltration	Medium
A possible connection to malicious location has been detected. (K8S.NODE_ThreatIntelCommandLineSuspectDomain) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a connection to a location that has been reported to be malicious or unusual. This is an indicator that a compromise may have occurred.	InitialAccess	Medium
Possible malicious web shell detected. (K8S.NODE_Webshell) 1	Analysis of processes running within a container detected a possible web shell. Attackers will often upload a web shell to a compute resource they have compromised to gain persistence or for further exploitation.	Persistence, Exploitation	Medium
Burst of multiple reconnaissance commands could indicate initial activity after compromise (K8S.NODE_ReconnaissanceArtifactsBurst) 1	Analysis of host/device data detected execution of multiple reconnaissance commands related to gathering system or host details performed by attackers after initial compromise.	Discovery, Collection	Low
Suspicious Download Then Run Activity (K8S.NODE_DownloadAndRunCombo) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a file being downloaded then run in the same command. While this isn't always malicious, this is a very common technique attackers use to get malicious files onto victim machines.	Execution, CommandAndControl, Exploitation	Medium
Digital currency mining activity (K8S.NODE_CurrencyMining) 1	Analysis of DNS transactions detected digital currency mining activity. Such activity, while possibly legitimate user behavior, is frequently performed by attackers following compromise of resources. Typical related attacker activity is likely to include the download and execution of common mining tools.	Exfiltration	Low
Access to kubelet kubeconfig file detected (K8S.NODE_KubeConfigAccess) 1	Analysis of processes running on a Kubernetes cluster node detected access to kubeconfig file on the host. The kubeconfig file, normally used by the Kubelet process, contains credentials to the Kubernetes cluster API server. Access to this file is often associated with attackers attempting to access those credentials, or with security scanning tools which check if the file is accessible.	CredentialAccess	Medium
Access to cloud metadata service detected (K8S.NODE_ImdsCall) 1	Analysis of processes running within a container detected access to the cloud metadata service for acquiring identity token. The container doesn't normally perform such operation. While this behavior might be legitimate, attackers might use this technique to access cloud resources after gaining initial access to a running container.	CredentialAccess	Medium
MITRE Caldera agent detected (K8S.NODE_MitreCalderaTools) 1	Analysis of processes running within a container or directly on a Kubernetes node, has detected a suspicious process. This is often associated with the MITRE 54ndc47 agent which could be used maliciously to attack other machines.	Persistence, PrivilegeEscalation, DefenseEvasion, CredentialAccess, Discovery, LateralMovement, Execution, Collection, Exfiltration, Command And Control, Probing, Exploitation	Medium

1: Preview for non-AKS clusters: This alert is generally available for AKS clusters, but it is in preview for other environments, such as Azure Arc, EKS and GKE.

2: Limitations on GKE clusters: GKE uses a Kuberenetes audit policy that doesn't support all alert types. As a result, this security alert, which is based on Kubernetes audit events, is not supported for GKE clusters.

3: This alert is supported on Windows nodes/containers.

Alerts for SQL Database and Azure Synapse Analytics

Further details and notes

Alert	Description	MITRE tactics (Learn more)	Severity
A possible vulnerability to SQL Injection (SQL.VM_VulnerabilityToSqlInjection SQL.DB_VulnerabilityToSqlInjection SQL.MI_VulnerabilityToSqlInjection SQL.DW_VulnerabilityToSqlInjection)	An application has generated a faulty SQL statement in the database. This can indicate a possible vulnerability to SQL injection attacks. There are two possible reasons for a faulty statement. A defect in application code might have constructed the faulty SQL statement. Or, application code or stored procedures didn't sanitize user input when constructing the faulty SQL statement, which can be exploited for SQL injection.	PreAttack	Medium
Attempted logon by a potentially harmful application (SQL.DB_HarmfulApplication SQL.VM_HarmfulApplication SQL.MI_HarmfulApplication SQL.DW_HarmfulApplication)	A potentially harmful application attempted to access SQL server '{name}'.	PreAttack	High
Log on from an unusual Azure Data Center (SQL.DB_DataCenterAnomaly SQL.VM_DataCenterAnomaly SQL.DW_DataCenterAnomaly SQL.MI_DataCenterAnomaly)	There has been a change in the access pattern to an SQL Server, where someone has signed in to the server from an unusual Azure Data Center. In some cases, the alert detects a legitimate action (a new application or Azure service). In other cases, the alert detects a malicious action (attacker operating from breached resource in Azure).	Probing	Low
Log on from an unusual location (SQL.DB_GeoAnomaly SQL.VM_GeoAnomaly SQL.DW_GeoAnomaly SQL.MI_GeoAnomaly)	There has been a change in the access pattern to SQL Server, where someone has signed in to the server from an unusual geographical location. In some cases, the alert detects a legitimate action (a new application or developer maintenance). In other cases, the alert detects a malicious action (a former employee or external attacker).	Exploitation	Medium
Login from a principal user not seen in 60 days (SQL.DB_PrincipalAnomaly SQL.VM_PrincipalAnomaly SQL.DW_PrincipalAnomaly SQL.MI_PrincipalAnomaly)	A principal user not seen in the last 60 days has logged into your database. If this database is new or this is expected behavior caused by recent changes in the users accessing the database, Defender for Cloud will identify significant changes to the access patterns and attempt to prevent future false positives.	Exploitation	Medium
Login from a suspicious IP (SQL.VM_SuspiciousIpAnomaly)	Your resource has been accessed successfully from an IP address that Microsoft Threat Intelligence has associated with suspicious activity.	PreAttack	Medium
Potential SQL Brute Force attempt	An abnormally high number of failed sign in attempts with different credentials have occurred. In some cases, the alert detects penetration testing in action. In other cases, the alert detects a brute force attack.	Probing	High
Potential SQL injection (SQL.DB_PotentialSqlInjection SQL.VM_PotentialSqlInjection SQL.MI_PotentialSqlInjection SQL.DW_PotentialSqlInjection Synapse.SQLPool_PotentialSqlInjection)	An active exploit has occurred against an identified application vulnerable to SQL injection. This means an attacker is trying to inject malicious SQL statements by using the vulnerable application code or stored procedures.	PreAttack	High
Potentially Unsafe Action (SQL.DB_UnsafeCommands SQL.MI_UnsafeCommands SQL.DW_UnsafeCommands)	A potentially unsafe action was attempted on your database '{name}' on server '{name}'.	-	High
Suspected brute force attack using a valid user	A potential brute force attack has been detected on your resource. The attacker is using the valid user sa, which has permissions to login.	PreAttack	High
Suspected brute force attack	A potential brute force attack has been detected on your SQL server '{name}'.	PreAttack	High
Suspected successful brute force attack (SQL.DB_BruteForce SQL.VM_BruteForce SQL.DW_BruteForce SQL.MI_BruteForce)	A successful login occurred after an apparent brute force attack on your resource	PreAttack	High
Unusual export location	Someone has extracted a massive amount of data from your SQL Server '{name}' to an unusual location.	Exfiltration	High

Alerts for open-source relational databases

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Suspected brute force attack using a valid user (SQL.PostgreSQL_BruteForce SQL.MariaDB_BruteForce SQL.MySQL_BruteForce)	A potential brute force attack has been detected on your resource. The attacker is using the valid user (username), which has permissions to login.	PreAttack	High
Suspected successful brute force attack (SQL.PostgreSQL_BruteForce SQL.MySQL_BruteForce SQL.MariaDB_BruteForce)	A successful login occurred after an apparent brute force attack on your resource.	PreAttack	High
Suspected brute force attack ("SQL.MySQL_BruteForce")	A potential brute force attack has been detected on your SQL server '{name}'.	PreAttack	High
Attempted logon by a potentially harmful application (SQL.PostgreSQL_HarmfulApplication SQL.MariaDB_HarmfulApplication SQL.MySQL_HarmfulApplication)	A potentially harmful application attempted to access your resource.	PreAttack	High
Login from a principal user not seen in 60 days (SQL.PostgreSQL_PrincipalAnomaly SQL.MariaDB_PrincipalAnomaly SQL.MySQL_PrincipalAnomaly)	A principal user not seen in the last 60 days has logged into your database. If this database is new or this is expected behavior caused by recent changes in the users accessing the database, Defender for Cloud will identify significant changes to the access patterns and attempt to prevent future false positives.	Exploitation	Medium
Login from a domain not seen in 60 days (SQL.MariaDB_DomainAnomaly SQL.PostgreSQL_DomainAnomaly SQL.MySQL_DomainAnomaly)	A user has logged in to your resource from a domain no other users have connected from in the last 60 days. If this resource is new or this is expected behavior caused by recent changes in the users accessing the resource, Defender for Cloud will identify significant changes to the access patterns and attempt to prevent future false positives.	Exploitation	Medium
Log on from an unusual Azure Data Center (SQL.PostgreSQL_DataCenterAnomaly SQL.MariaDB_DataCenterAnomaly SQL.MySQL_DataCenterAnomaly)	Someone logged on to your resource from an unusual Azure Data Center.	Probing	Low
Logon from an unusual cloud provider (SQL.PostgreSQL_CloudProviderAnomaly SQL.MariaDB_CloudProviderAnomaly SQL.MySQL_CloudProviderAnomaly)	Someone logged on to your resource from a cloud provider not seen in the last 60 days. It's quick and easy for threat actors to obtain disposable compute power for use in their campaigns. If this is expected behavior caused by the recent adoption of a new cloud provider, Defender for Cloud will learn over time and attempt to prevent future false positives.	Exploitation	Medium
Log on from an unusual location (SQL.MariaDB_GeoAnomaly SQL.PostgreSQL_GeoAnomaly SQL.MySQL_GeoAnomaly)	Someone logged on to your resource from an unusual Azure Data Center.	Exploitation	Medium
Login from a suspicious IP (SQL.PostgreSQL_SuspiciousIpAnomaly SQL.MariaDB_SuspiciousIpAnomaly SQL.MySQL_SuspiciousIpAnomaly)	Your resource has been accessed successfully from an IP address that Microsoft Threat Intelligence has associated with suspicious activity.	PreAttack	Medium

Alerts for Resource Manager

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Azure Resource Manager operation from suspicious IP address (ARM_OperationFromSuspiciousIP)	Microsoft Defender for Resource Manager detected an operation from an IP address that has been marked as suspicious in threat intelligence feeds.	Execution	Medium
Azure Resource Manager operation from suspicious proxy IP address (ARM_OperationFromSuspiciousProxyIP)	Microsoft Defender for Resource Manager detected a resource management operation from an IP address that is associated with proxy services, such as TOR. While this behavior can be legitimate, it's often seen in malicious activities, when threat actors try to hide their source IP.	Defense Evasion	Medium
MicroBurst exploitation toolkit used to enumerate resources in your subscriptions (ARM_MicroBurst.AzDomainInfo)	MicroBurst's Information Gathering module was run on your subscription. This tool can be used to discover resources, permissions and network structures. This was detected by analyzing the Azure Activity logs and resource management operations in your subscription	-	High
MicroBurst exploitation toolkit used to enumerate resources in your subscriptions (ARM_MicroBurst.AzureDomainInfo)	MicroBurst's Information Gathering module was run on your subscription. This tool can be used to discover resources, permissions and network structures. This was detected by analyzing the Azure Activity logs and resource management operations in your subscription	-	High
MicroBurst exploitation toolkit used to execute code on your virtual machine (ARM_MicroBurst.AzVMBulkCMD)	MicroBurst's exploitation toolkit was used to execute code on your virtual machines. This was detected by analyzing Azure Resource Manager operations in your subscription.	Execution	High
MicroBurst exploitation toolkit used to execute code on your virtual machine (RM_MicroBurst.AzureRmVMBulkCMD)	MicroBurst's exploitation toolkit was used to execute code on your virtual machines. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
MicroBurst exploitation toolkit used to extract keys from your Azure key vaults (ARM_MicroBurst.AzKeyVaultKeysREST)	MicroBurst's exploitation toolkit was used to extract keys from your Azure key vaults. This was detected by analyzing Azure Activity logs and resource management operations in your subscription.	-	High
MicroBurst exploitation toolkit used to extract keys to your storage accounts (ARM_MicroBurst.AZStorageKeysREST)	MicroBurst's exploitation toolkit was used to extract keys to your storage accounts. This was detected by analyzing Azure Activity logs and resource management operations in your subscription.	Collection	High
MicroBurst exploitation toolkit used to extract secrets from your Azure key vaults (ARM_MicroBurst.AzKeyVaultSecretsREST)	MicroBurst's exploitation toolkit was used to extract secrets from your Azure key vaults. This was detected by analyzing Azure Activity logs and resource management operations in your subscription.	-	High
PowerZure exploitation toolkit used to elevate access from Azure AD to Azure (ARM_PowerZure.AzureElevatedPrivileges)	PowerZure exploitation toolkit was used to elevate access from AzureAD to Azure. This was detected by analyzing Azure Resource Manager operations in your tenant.	-	High
PowerZure exploitation toolkit used to enumerate resources (ARM_PowerZure.GetAzureTargets)	PowerZure exploitation toolkit was used to enumerate resources on behalf of a legitimate user account in your organization. This was detected by analyzing Azure Resource Manager operations in your subscription.	Collection	High
PowerZure exploitation toolkit used to enumerate storage containers, shares, and tables (ARM_PowerZure.ShowStorageContent)	PowerZure exploitation toolkit was used to enumerate storage shares, tables, and containers. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
PowerZure exploitation toolkit used to execute a Runbook in your subscription (ARM_PowerZure.StartRunbook)	PowerZure exploitation toolkit was used to execute a Runbook. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
PowerZure exploitation toolkit used to extract Runbooks content (ARM_PowerZure.AzureRunbookContent)	PowerZure exploitation toolkit was used to extract Runbook content. This was detected by analyzing Azure Resource Manager operations in your subscription.	Collection	High
PREVIEW - Activity from a risky IP address (ARM.MCAS_ActivityFromAnonymousIPAddresses)	Users activity from an IP address that has been identified as an anonymous proxy IP address has been detected. These proxies are used by people who want to hide their device's IP address, and can be used for malicious intent. This detection uses a machine learning algorithm that reduces false positives, such as mis-tagged IP addresses that are widely used by users in the organization. Requires an active Microsoft Defender for Cloud Apps license.	-	Medium
PREVIEW - Activity from infrequent country (ARM.MCAS_ActivityFromInfrequentCountry)	Activity from a location that wasn't recently or ever visited by any user in the organization has occurred. This detection considers past activity locations to determine new and infrequent locations. The anomaly detection engine stores information about previous locations used by users in the organization. Requires an active Microsoft Defender for Cloud Apps license.	-	Medium
PREVIEW - Azurite toolkit run detected (ARM_Azurite)	A known cloud-environment reconnaissance toolkit run has been detected in your environment. The tool Azurite can be used by an attacker (or penetration tester) to map your subscriptions' resources and identify insecure configurations.	Collection	High
PREVIEW - Impossible travel activity (ARM.MCAS_ImpossibleTravelActivity)	Two user activities (in a single or multiple sessions) have occurred, originating from geographically distant locations. This occurs within a time period shorter than the time it would have taken the user to travel from the first location to the second. This indicates that a different user is using the same credentials. This detection uses a machine learning algorithm that ignores obvious false positives contributing to the impossible travel conditions, such as VPNs and locations regularly used by other users in the organization. The detection has an initial learning period of seven days, during which it learns a new user's activity pattern. Requires an active Microsoft Defender for Cloud Apps license.	-	Medium
PREVIEW - Suspicious key vault recovery detected (Arm_Suspicious_Vault_Recovering)	Microsoft Defender for Resource Manager detected a suspicious recovery operation for a soft-deleted key vault resource. The user recovering the resource is different from the user that deleted it. This is highly suspicious because the user rarely invokes such an operation. In addition, the user logged on without multi-factor authentication (MFA). This might indicate that the user is compromised and is attempting to discover secrets and keys to gain access to sensitive resources, or to perform lateral movement across your network.	Lateral movement	Medium/high
PREVIEW - Suspicious management session using an inactive account detected (ARM_UnusedAccountPersistence)	Subscription activity logs analysis has detected suspicious behavior. A principal not in use for a long period of time is now performing actions that can secure persistence for an attacker.	Persistence	Medium
PREVIEW - Suspicious invocation of a high-risk 'Credential Access' operation by a service principal detected (ARM_AnomalousServiceOperation.CredentialAccess)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to access credentials. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Credential access	Medium
PREVIEW - Suspicious invocation of a high-risk 'Data Collection' operation by a service principal detected (ARM_AnomalousServiceOperation.Collection)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to collect data. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to collect sensitive data on resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Collection	Medium
PREVIEW - Suspicious invocation of a high-risk 'Defense Evasion' operation by a service principal detected (ARM_AnomalousServiceOperation.DefenseEvasion)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to evade defenses. The identified operations are designed to allow administrators to efficiently manage the security posture of their environments. While this activity may be legitimate, a threat actor might utilize such operations to avoid being detected while compromising resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Defense Evasion	Medium
PREVIEW - Suspicious invocation of a high-risk 'Execution' operation by a service principal detected (ARM_AnomalousServiceOperation.Execution)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation on a machine in your subscription which might indicate an attempt to execute code. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Defense Execution	Medium
PREVIEW - Suspicious invocation of a high-risk 'Impact' operation by a service principal detected (ARM_AnomalousServiceOperation.Impact)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempted configuration change. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Impact	Medium
PREVIEW - Suspicious invocation of a high-risk 'Initial Access' operation by a service principal detected (ARM_AnomalousServiceOperation.InitialAccess)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to access restricted resources. The identified operations are designed to allow administrators to efficiently access their environments. While this activity may be legitimate, a threat actor might utilize such operations to gain initial access to restricted resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Initial access	Medium
PREVIEW - Suspicious invocation of a high-risk 'Lateral Movement Access' operation by a service principal detected (ARM_AnomalousServiceOperation.LateralMovement)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to perform lateral movement. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to compromise more resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Lateral movement	Medium
PREVIEW - Suspicious invocation of a high-risk 'persistence' operation by a service principal detected (ARM_AnomalousServiceOperation.Persistence)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to establish persistence. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to establish persistence in your environment. This can indicate that the service principal is compromised and is being used with malicious intent.	Persistence	Medium
PREVIEW - Suspicious invocation of a high-risk 'Privilege Escalation' operation by a service principal detected (ARM_AnomalousServiceOperation.PrivilegeEscalation)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to escalate privileges. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to escalate privileges while compromising resources in your environment. This can indicate that the service principal is compromised and is being used with malicious intent..	Privilege escalation	Medium
PREVIEW - Suspicious management session using an inactive account detected (ARM_UnusedAccountPersistence)	Subscription activity logs analysis has detected suspicious behavior. A principal not in use for a long period of time is now performing actions that can secure persistence for an attacker.	Persistence	Medium
PREVIEW - Suspicious management session using PowerShell detected (ARM_UnusedAppPowershellPersistence)	Subscription activity logs analysis has detected suspicious behavior. A principal that doesn't regularly use PowerShell to manage the subscription environment is now using PowerShell, and performing actions that can secure persistence for an attacker.	Persistence	Medium
PREVIEW – Suspicious management session using Azure portal detected (ARM_UnusedAppIbizaPersistence)	Analysis of your subscription activity logs has detected a suspicious behavior. A principal that doesn't regularly use the Azure portal (Ibiza) to manage the subscription environment (hasn't used Azure portal to manage for the last 45 days, or a subscription that it is actively managing), is now using the Azure portal and performing actions that can secure persistence for an attacker.	Persistence	Medium
Privileged custom role created for your subscription in a suspicious way (Preview) (ARM_PrivilegedRoleDefinitionCreation)	Microsoft Defender for Resource Manager detected a suspicious creation of privileged custom role definition in your subscription. This operation might have been performed by a legitimate user in your organization. Alternatively, it might indicate that an account in your organization was breached, and that the threat actor is trying to create a privileged role to use in the future to evade detection.	Privilege Escalation, Defense Evasion	Low
Suspicious Azure role assignment detected (Preview) (ARM_AnomalousRBACRoleAssignment)	Microsoft Defender for Resource Manager identified a suspicious Azure role assignment / performed using PIM (Privileged Identity Management) in your tenant which might indicate that an account in your organization was compromised. The identified operations are designed to allow administrators to grant principals access to Azure resources. While this activity may be legitimate, a threat actor might utilize role assignment to escalate their permissions allowing them to advance their attack.	Lateral Movement, Defense Evasion	Low (PIM) / High
Suspicious invocation of a high-risk 'Credential Access' operation detected (Preview) (ARM_AnomalousOperation.CredentialAccess)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to access credentials. The identified operations are designed to allow administrators to efficiently access their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Credential Access	Medium
Suspicious invocation of a high-risk 'Data Collection' operation detected (Preview) (ARM_AnomalousOperation.Collection)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to collect data. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to collect sensitive data on resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Collection	Medium
Suspicious invocation of a high-risk 'Defense Evasion' operation detected (Preview) (ARM_AnomalousOperation.DefenseEvasion)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to evade defenses. The identified operations are designed to allow administrators to efficiently manage the security posture of their environments. While this activity may be legitimate, a threat actor might utilize such operations to avoid being detected while compromising resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Defense Evasion	Medium
Suspicious invocation of a high-risk 'Execution' operation detected (Preview) (ARM_AnomalousOperation.Execution)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation on a machine in your subscription which might indicate an attempt to execute code. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Execution	Medium
Suspicious invocation of a high-risk 'Impact' operation detected (Preview) (ARM_AnomalousOperation.Impact)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempted configuration change. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to access restricted credentials and compromise resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Impact	Medium
Suspicious invocation of a high-risk 'Initial Access' operation detected (Preview) (ARM_AnomalousOperation.InitialAccess)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to access restricted resources. The identified operations are designed to allow administrators to efficiently access their environments. While this activity may be legitimate, a threat actor might utilize such operations to gain initial access to restricted resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Initial Access	Medium
Suspicious invocation of a high-risk 'Lateral Movement' operation detected (Preview) (ARM_AnomalousOperation.LateralMovement)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to perform lateral movement. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to compromise more resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Lateral Movement	Medium
Suspicious invocation of a high-risk 'Persistence' operation detected (Preview) (ARM_AnomalousOperation.Persistence)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to establish persistence. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to establish persistence in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Persistence	Medium
Suspicious invocation of a high-risk 'Privilege Escalation' operation detected (Preview) (ARM_AnomalousOperation.PrivilegeEscalation)	Microsoft Defender for Resource Manager identified a suspicious invocation of a high-risk operation in your subscription which might indicate an attempt to escalate privileges. The identified operations are designed to allow administrators to efficiently manage their environments. While this activity may be legitimate, a threat actor might utilize such operations to escalate privileges while compromising resources in your environment. This can indicate that the account is compromised and is being used with malicious intent.	Privilege Escalation	Medium
Usage of MicroBurst exploitation toolkit to run an arbitrary code or exfiltrate Azure Automation account credentials (ARM_MicroBurst.RunCodeOnBehalf)	Usage of MicroBurst exploitation toolkit to run an arbitrary code or exfiltrate Azure Automation account credentials. This was detected by analyzing Azure Resource Manager operations in your subscription.	Persistence, Credential Access	High
Usage of NetSPI techniques to maintain persistence in your Azure environment (ARM_NetSPI.MaintainPersistence)	Usage of NetSPI persistence technique to create a webhook backdoor and maintain persistence in your Azure environment. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
Usage of PowerZure exploitation toolkit to run an arbitrary code or exfiltrate Azure Automation account credentials (ARM_PowerZure.RunCodeOnBehalf)	PowerZure exploitation toolkit detected attempting to run code or exfiltrate Azure Automation account credentials. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
Usage of PowerZure function to maintain persistence in your Azure environment (ARM_PowerZure.MaintainPersistence)	PowerZure exploitation toolkit detected creating a webhook backdoor to maintain persistence in your Azure environment. This was detected by analyzing Azure Resource Manager operations in your subscription.	-	High
Suspicious classic role assignment detected (Preview) (ARM_AnomalousClassicRoleAssignment)	Microsoft Defender for Resource Manager identified a suspicious classic role assignment in your tenant which might indicate that an account in your organization was compromised. The identified operations are designed to provide backward compatibility with classic roles that are no longer commonly used. While this activity may be legitimate, a threat actor might utilize such assignment to grant permissions to an more user account under their control.	Lateral Movement, Defense Evasion	High

Alerts for DNS

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Anomalous network protocol usage (AzureDNS_ProtocolAnomaly)	Analysis of DNS transactions from %{CompromisedEntity} detected anomalous protocol usage. Such traffic, while possibly benign, may indicate abuse of this common protocol to bypass network traffic filtering. Typical related attacker activity includes copying remote administration tools to a compromised host and exfiltrating user data from it.	Exfiltration	-
Anonymity network activity (AzureDNS_DarkWeb)	Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Anonymity network activity using web proxy (AzureDNS_DarkWebProxy)	Analysis of DNS transactions from %{CompromisedEntity} detected anonymity network activity. Such activity, while possibly legitimate user behavior, is frequently employed by attackers to evade tracking and fingerprinting of network communications. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Attempted communication with suspicious sinkholed domain (AzureDNS_SinkholedDomain)	Analysis of DNS transactions from %{CompromisedEntity} detected request for sinkholed domain. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools.	Exfiltration	-
Communication with possible phishing domain (AzureDNS_PhishingDomain)	Analysis of DNS transactions from %{CompromisedEntity} detected a request for a possible phishing domain. Such activity, while possibly benign, is frequently performed by attackers to harvest credentials to remote services. Typical related attacker activity is likely to include the exploitation of any credentials on the legitimate service.	Exfiltration	-
Communication with suspicious algorithmically generated domain (AzureDNS_DomainGenerationAlgorithm)	Analysis of DNS transactions from %{CompromisedEntity} detected possible usage of a domain generation algorithm. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Communication with suspicious domain identified by threat intelligence (AzureDNS_ThreatIntelSuspectDomain)	Communication with suspicious domain was detected by analyzing DNS transactions from your resource and comparing against known malicious domains identified by threat intelligence feeds. Communication to malicious domains is frequently performed by attackers and could imply that your resource is compromised.	Initial Access	Medium
Communication with suspicious random domain name (AzureDNS_RandomizedDomain)	Analysis of DNS transactions from %{CompromisedEntity} detected usage of a suspicious randomly generated domain name. Such activity, while possibly benign, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Digital currency mining activity (AzureDNS_CurrencyMining)	Analysis of DNS transactions from %{CompromisedEntity} detected digital currency mining activity. Such activity, while possibly legitimate user behavior, is frequently performed by attackers following compromise of resources. Typical related attacker activity is likely to include the download and execution of common mining tools.	Exfiltration	-
Network intrusion detection signature activation (AzureDNS_SuspiciousDomain)	Analysis of DNS transactions from %{CompromisedEntity} detected a known malicious network signature. Such activity, while possibly legitimate user behavior, is frequently an indication of the download or execution of malicious software. Typical related attacker activity is likely to include the download and execution of further malicious software or remote administration tools.	Exfiltration	-
Possible data download via DNS tunnel (AzureDNS_DataInfiltration)	Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Possible data exfiltration via DNS tunnel (AzureDNS_DataExfiltration)	Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-
Possible data transfer via DNS tunnel (AzureDNS_DataObfuscation)	Analysis of DNS transactions from %{CompromisedEntity} detected a possible DNS tunnel. Such activity, while possibly legitimate user behavior, is frequently performed by attackers to evade network monitoring and filtering. Typical related attacker activity is likely to include the download and execution of malicious software or remote administration tools.	Exfiltration	-

Alerts for Azure Storage

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
PREVIEW - Access from a suspicious application (Storage.Blob_SuspiciousApp)	Indicates that a suspicious application has successfully accessed a container of a storage account with authentication. This might indicate that an attacker has obtained the credentials necessary to access the account, and is exploiting it. This could also be an indication of a penetration test carried out in your organization. Applies to: Azure Blob Storage, Azure Data Lake Storage Gen2	Initial Access	Medium
Access from a suspicious IP address (Storage.Blob_SuspiciousIp Storage.Files_SuspiciousIp)	Indicates that this storage account has been successfully accessed from an IP address that is considered suspicious. This alert is powered by Microsoft Threat Intelligence. Learn more about Microsoft's threat intelligence capabilities. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Initial Access	Medium
PREVIEW – Phishing content hosted on a storage account (Storage.Blob_PhishingContent Storage.Files_PhishingContent)	A URL used in a phishing attack points to your Azure Storage account. This URL was part of a phishing attack affecting users of Microsoft 365. Typically, content hosted on such pages is designed to trick visitors into entering their corporate credentials or financial information into a web form that looks legitimate. This alert is powered by Microsoft Threat Intelligence. Learn more about Microsoft's threat intelligence capabilities. Applies to: Azure Blob Storage, Azure Files	Collection	High
PREVIEW - Storage account identified as source for distribution of malware (Storage.Files_WidespreadeAm)	Antimalware alerts indicate that an infected file(s) is stored in an Azure file share that is mounted to multiple VMs. If attackers gain access to a VM with a mounted Azure file share, they can use it to spread malware to other VMs that mount the same share. Applies to: Azure Files	Lateral Movement, Execution	High
PREVIEW - Storage account with potentially sensitive data has been detected with a publicly exposed container (Storage.Blob_OpenACL)	The access policy of a container in your storage account was modified to allow anonymous access. This might lead to a data breach if the container holds any sensitive data. This alert is based on analysis of Azure activity log. Applies to: Azure Blob Storage, Azure Data Lake Storage Gen2	Privilege Escalation	Medium
Authenticated access from a Tor exit node (Storage.Blob_TorAnomaly Storage.Files_TorAnomaly)	One or more storage container(s) / file share(s) in your storage account were successfully accessed from an IP address known to be an active exit node of Tor (an anonymizing proxy). Threat actors use Tor to make it difficult to trace the activity back to them. Authenticated access from a Tor exit node is a likely indication that a threat actor is trying to hide their identity. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Initial access	High/Medium
Access from an unusual location to a storage account (Storage.Blob_GeoAnomaly Storage.Files_GeoAnomaly)	Indicates that there was a change in the access pattern to an Azure Storage account. Someone has accessed this account from an IP address considered unfamiliar when compared with recent activity. Either an attacker has gained access to the account, or a legitimate user has connected from a new or unusual geographic location. An example of the latter is remote maintenance from a new application or developer. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Exploitation	Low
Unusual unauthenticated access to a storage container (Storage.Blob_AnonymousAccessAnomaly)	This storage account was accessed without authentication, which is a change in the common access pattern. Read access to this container is usually authenticated. This might indicate that a threat actor was able to exploit public read access to storage container(s) in this storage account(s). Applies to: Azure Blob Storage	Collection	Low
Potential malware uploaded to a storage account (Storage.Blob_MalwareHashReputation Storage.Files_MalwareHashReputation)	Indicates that a blob containing potential malware has been uploaded to a blob container or a file share in a storage account. This alert is based on hash reputation analysis leveraging the power of Microsoft threat intelligence, which includes hashes for viruses, trojans, spyware and ransomware. Potential causes may include an intentional malware upload by an attacker, or an unintentional upload of a potentially malicious blob by a legitimate user. Applies to: Azure Blob Storage, Azure Files (Only for transactions over REST API) Learn more about Azure's hash reputation analysis for malware. Learn more about Microsoft's threat intelligence capabilities.	Lateral Movement	High
Publicly accessible storage containers successfully discovered (Storage.Blob_OpenContainersScanning.SuccessfulDiscovery)	A successful discovery of publicly open storage container(s) in your storage account was performed in the last hour by a scanning script or tool. This usually indicates a reconnaissance attack, where the threat actor tries to list blobs by guessing container names, in the hope of finding misconfigured open storage containers with sensitive data in them. The threat actor may use their own script or use known scanning tools like Microburst to scan for publicly open containers. ✔ Azure Blob Storage ✖ Azure Files ✖ Azure Data Lake Storage Gen2	Collection	Medium
Publicly accessible storage containers unsuccessfully scanned (Storage.Blob_OpenContainersScanning.FailedAttempt)	A series of failed attempts to scan for publicly open storage containers were performed in the last hour. This usually indicates a reconnaissance attack, where the threat actor tries to list blobs by guessing container names, in the hope of finding misconfigured open storage containers with sensitive data in them. The threat actor may use their own script or use known scanning tools like Microburst to scan for publicly open containers. ✔ Azure Blob Storage ✖ Azure Files ✖ Azure Data Lake Storage Gen2	Collection	Low
Unusual access inspection in a storage account (Storage.Blob_AccessInspectionAnomaly Storage.Files_AccessInspectionAnomaly)	Indicates that the access permissions of a storage account have been inspected in an unusual way, compared to recent activity on this account. A potential cause is that an attacker has performed reconnaissance for a future attack. Applies to: Azure Blob Storage, Azure Files	Collection	Medium
Unusual amount of data extracted from a storage account (Storage.Blob_DataExfiltration.AmountOfDataAnomaly Storage.Blob_DataExfiltration.NumberOfBlobsAnomaly Storage.Files_DataExfiltration.AmountOfDataAnomaly Storage.Files_DataExfiltration.NumberOfFilesAnomaly)	Indicates that an unusually large amount of data has been extracted compared to recent activity on this storage container. A potential cause is that an attacker has extracted a large amount of data from a container that holds blob storage. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Exfiltration	Medium
Unusual application accessed a storage account (Storage.Blob_ApplicationAnomaly Storage.Files_ApplicationAnomaly)	Indicates that an unusual application has accessed this storage account. A potential cause is that an attacker has accessed your storage account by using a new application. Applies to: Azure Blob Storage, Azure Files	Exploitation	Medium
Unusual change of access permissions in a storage account (Storage.Blob_PermissionsChangeAnomaly Storage.Files_PermissionsChangeAnomaly)	Indicates that the access permissions of this storage container have been changed in an unusual way. A potential cause is that an attacker has changed container permissions to weaken its security posture or to gain persistence. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Persistence	Medium
Unusual data exploration in a storage account (Storage.Blob_DataExplorationAnomaly Storage.Files_DataExplorationAnomaly)	Indicates that blobs or containers in a storage account have been enumerated in an abnormal way, compared to recent activity on this account. A potential cause is that an attacker has performed reconnaissance for a future attack. Applies to: Azure Blob Storage, Azure Files	Collection	Medium
Unusual deletion in a storage account (Storage.Blob_DeletionAnomaly Storage.Files_DeletionAnomaly)	Indicates that one or more unexpected delete operations has occurred in a storage account, compared to recent activity on this account. A potential cause is that an attacker has deleted data from your storage account. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Exfiltration	Medium
Unusual upload of .cspkg to a storage account (Storage.Blob_CspkgUploadAnomaly)	Indicates that an Azure Cloud Services package (.cspkg file) has been uploaded to a storage account in an unusual way, compared to recent activity on this account. A potential cause is that an attacker has been preparing to deploy malicious code from your storage account to an Azure cloud service. Applies to: Azure Blob Storage, Azure Data Lake Storage Gen2	Lateral Movement, Execution	Medium
Unusual upload of .exe to a storage account (Storage.Blob_ExeUploadAnomaly Storage.Files_ExeUploadAnomaly)	Indicates that an .exe file has been uploaded to a storage account in an unusual way, compared to recent activity on this account. A potential cause is that an attacker has uploaded a malicious executable file to your storage account, or that a legitimate user has uploaded an executable file. Applies to: Azure Blob Storage, Azure Files, Azure Data Lake Storage Gen2	Lateral Movement, Execution	Medium

Alerts for Azure Cosmos DB

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Access from a Tor exit node (CosmosDB_TorAnomaly)	This Azure Cosmos DB account was successfully accessed from an IP address known to be an active exit node of Tor, an anonymizing proxy. Authenticated access from a Tor exit node is a likely indication that a threat actor is trying to hide their identity.	Initial Access	High/Medium
Access from a suspicious IP (CosmosDB_SuspiciousIp)	This Azure Cosmos DB account was successfully accessed from an IP address that was identified as a threat by Microsoft Threat Intelligence.	Initial Access	Medium
Access from an unusual location (CosmosDB_GeoAnomaly)	This Azure Cosmos DB account was accessed from a location considered unfamiliar, based on the usual access pattern. Either a threat actor has gained access to the account, or a legitimate user has connected from a new or unusual geographic location	Initial Access	Low
Unusual volume of data extracted (CosmosDB_DataExfiltrationAnomaly)	An unusually large volume of data has been extracted from this Azure Cosmos DB account. This might indicate that a threat actor exfiltrated data.	Exfiltration	Medium
Extraction of Azure Cosmos DB accounts keys via a potentially malicious script (CosmosDB_SuspiciousListKeys.MaliciousScript)	A PowerShell script was run in your subscription and performed a suspicious pattern of key-listing operations to get the keys of Azure Cosmos DB accounts in your subscription. Threat actors use automated scripts, like Microburst, to list keys and find Azure Cosmos DB accounts they can access. This operation might indicate that an identity in your organization was breached, and that the threat actor is trying to compromise Azure Cosmos DB accounts in your environment for malicious intentions. Alternatively, a malicious insider could be trying to access sensitive data and perform lateral movement.	Collection	High
Suspicious extraction of Azure Cosmos DB account keys (AzureCosmosDB_SuspiciousListKeys.SuspiciousPrincipal)	A suspicious source extracted Azure Cosmos DB account access keys from your subscription. If this source is not a legitimate source, this may be a high impact issue. The access key that was extracted provides full control over the associated databases and the data stored within. See the details of each specific alert to understand why the source was flagged as suspicious.	Credential Access	high
SQL injection: potential data exfiltration (CosmosDB_SqlInjection.DataExfiltration)	A suspicious SQL statement was used to query a container in this Azure Cosmos DB account. The injected statement might have succeeded in exfiltrating data that the threat actor isn’t authorized to access. Due to the structure and capabilities of Azure Cosmos DB queries, many known SQL injection attacks on Azure Cosmos DB accounts cannot work. However, the variation used in this attack may work and threat actors can exfiltrate data.	Exfiltration	Medium
SQL injection: fuzzing attempt (CosmosDB_SqlInjection.FailedFuzzingAttempt)	A suspicious SQL statement was used to query a container in this Azure Cosmos DB account. Like other well-known SQL injection attacks, this attack won’t succeed in compromising the Azure Cosmos DB account. Nevertheless, it’s an indication that a threat actor is trying to attack the resources in this account, and your application may be compromised. Some SQL injection attacks can succeed and be used to exfiltrate data. This means that if the attacker continues performing SQL injection attempts, they may be able to compromise your Azure Cosmos DB account and exfiltrate data. You can prevent this threat by using parameterized queries.	Pre-attack	Low

Alerts for Azure network layer

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Network communication with a malicious machine detected (Network_CommunicationWithC2)	Network traffic analysis indicates that your machine (IP %{Victim IP}) has communicated with what is possibly a Command and Control center. When the compromised resource is a load balancer or an application gateway, the suspected activity might indicate that one or more of the resources in the backend pool (of the load balancer or application gateway) has communicated with what is possibly a Command and Control center.	Command and Control	Medium
Possible compromised machine detected (Network_ResourceIpIndicatedAsMalicious)	Threat intelligence indicates that your machine (at IP %{Machine IP}) may have been compromised by a malware of type Conficker. Conficker was a computer worm that targets the Microsoft Windows operating system and was first detected in November 2008. Conficker infected millions of computers including government, business and home computers in over 200 countries/regions, making it the largest known computer worm infection since the 2003 Welchia worm.	Command and Control	Medium
Possible incoming %{Service Name} brute force attempts detected (Generic_Incoming_BF_OneToOne)	Network traffic analysis detected incoming %{Service Name} communication to %{Victim IP}, associated with your resource %{Compromised Host} from %{Attacker IP}. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows suspicious activity between %{Start Time} and %{End Time} on port %{Victim Port}. This activity is consistent with brute force attempts against %{Service Name} servers.	PreAttack	Medium
Possible incoming SQL brute force attempts detected (SQL_Incoming_BF_OneToOne)	Network traffic analysis detected incoming SQL communication to %{Victim IP}, associated with your resource %{Compromised Host}, from %{Attacker IP}. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows suspicious activity between %{Start Time} and %{End Time} on port %{Port Number} (%{SQL Service Type}). This activity is consistent with brute force attempts against SQL servers.	PreAttack	Medium
Possible outgoing denial-of-service attack detected (DDOS)	Network traffic analysis detected anomalous outgoing activity originating from %{Compromised Host}, a resource in your deployment. This activity may indicate that your resource was compromised and is now engaged in denial-of-service attacks against external endpoints. When the compromised resource is a load balancer or an application gateway, the suspected activity might indicate that one or more of the resources in the backend pool (of the load balancer or application gateway) was compromised. Based on the volume of connections, we believe that the following IPs are possibly the targets of the DOS attack: %{Possible Victims}. Note that it is possible that the communication to some of these IPs is legitimate.	Impact	Medium
Suspicious incoming RDP network activity from multiple sources (RDP_Incoming_BF_ManyToOne)	Network traffic analysis detected anomalous incoming Remote Desktop Protocol (RDP) communication to %{Victim IP}, associated with your resource %{Compromised Host}, from multiple sources. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Attacking IPs} unique IPs connecting to your resource, which is considered abnormal for this environment. This activity may indicate an attempt to brute force your RDP end point from multiple hosts (Botnet)	PreAttack	Medium
Suspicious incoming RDP network activity (RDP_Incoming_BF_OneToOne)	Network traffic analysis detected anomalous incoming Remote Desktop Protocol (RDP) communication to %{Victim IP}, associated with your resource %{Compromised Host}, from %{Attacker IP}. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Connections} incoming connections to your resource, which is considered abnormal for this environment. This activity may indicate an attempt to brute force your RDP end point	PreAttack	Medium
Suspicious incoming SSH network activity from multiple sources (SSH_Incoming_BF_ManyToOne)	Network traffic analysis detected anomalous incoming SSH communication to %{Victim IP}, associated with your resource %{Compromised Host}, from multiple sources. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Attacking IPs} unique IPs connecting to your resource, which is considered abnormal for this environment. This activity may indicate an attempt to brute force your SSH end point from multiple hosts (Botnet)	PreAttack	Medium
Suspicious incoming SSH network activity (SSH_Incoming_BF_OneToOne)	Network traffic analysis detected anomalous incoming SSH communication to %{Victim IP}, associated with your resource %{Compromised Host}, from %{Attacker IP}. When the compromised resource is a load balancer or an application gateway, the suspected incoming traffic has been forwarded to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Connections} incoming connections to your resource, which is considered abnormal for this environment. This activity may indicate an attempt to brute force your SSH end point	PreAttack	Medium
Suspicious outgoing %{Attacked Protocol} traffic detected (PortScanning)	Network traffic analysis detected suspicious outgoing traffic from %{Compromised Host} to destination port %{Most Common Port}. When the compromised resource is a load balancer or an application gateway, the suspected outgoing traffic has been originated from to one or more of the resources in the backend pool (of the load balancer or application gateway). This behavior may indicate that your resource is taking part in %{Attacked Protocol} brute force attempts or port sweeping attacks.	Discovery	Medium
Suspicious outgoing RDP network activity to multiple destinations (RDP_Outgoing_BF_OneToMany)	Network traffic analysis detected anomalous outgoing Remote Desktop Protocol (RDP) communication to multiple destinations originating from %{Compromised Host} (%{Attacker IP}), a resource in your deployment. When the compromised resource is a load balancer or an application gateway, the suspected outgoing traffic has been originated from to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows your machine connecting to %{Number of Attacked IPs} unique IPs, which is considered abnormal for this environment. This activity may indicate that your resource was compromised and is now used to brute force external RDP end points. Note that this type of activity could possibly cause your IP to be flagged as malicious by external entities.	Discovery	High
Suspicious outgoing RDP network activity (RDP_Outgoing_BF_OneToOne)	Network traffic analysis detected anomalous outgoing Remote Desktop Protocol (RDP) communication to %{Victim IP} originating from %{Compromised Host} (%{Attacker IP}), a resource in your deployment. When the compromised resource is a load balancer or an application gateway, the suspected outgoing traffic has been originated from to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Connections} outgoing connections from your resource, which is considered abnormal for this environment. This activity may indicate that your machine was compromised and is now used to brute force external RDP end points. Note that this type of activity could possibly cause your IP to be flagged as malicious by external entities.	Lateral Movement	High
Suspicious outgoing SSH network activity to multiple destinations (SSH_Outgoing_BF_OneToMany)	Network traffic analysis detected anomalous outgoing SSH communication to multiple destinations originating from %{Compromised Host} (%{Attacker IP}), a resource in your deployment. When the compromised resource is a load balancer or an application gateway, the suspected outgoing traffic has been originated from to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows your resource connecting to %{Number of Attacked IPs} unique IPs, which is considered abnormal for this environment. This activity may indicate that your resource was compromised and is now used to brute force external SSH end points. Note that this type of activity could possibly cause your IP to be flagged as malicious by external entities.	Discovery	Medium
Suspicious outgoing SSH network activity (SSH_Outgoing_BF_OneToOne)	Network traffic analysis detected anomalous outgoing SSH communication to %{Victim IP} originating from %{Compromised Host} (%{Attacker IP}), a resource in your deployment. When the compromised resource is a load balancer or an application gateway, the suspected outgoing traffic has been originated from to one or more of the resources in the backend pool (of the load balancer or application gateway). Specifically, sampled network data shows %{Number of Connections} outgoing connections from your resource, which is considered abnormal for this environment. This activity may indicate that your resource was compromised and is now used to brute force external SSH end points. Note that this type of activity could possibly cause your IP to be flagged as malicious by external entities.	Lateral Movement	Medium
Traffic detected from IP addresses recommended for blocking	Microsoft Defender for Cloud detected inbound traffic from IP addresses that are recommended to be blocked. This typically occurs when this IP address doesn't communicate regularly with this resource. Alternatively, the IP address has been flagged as malicious by Defender for Cloud's threat intelligence sources.	Probing	Low

Alerts for Azure Key Vault

Further details and notes

Alert (alert type)	Description	MITRE tactics (Learn more)	Severity
Access from a suspicious IP address to a key vault (KV_SuspiciousIPAccess)	A key vault has been successfully accessed by an IP that has been identified by Microsoft Threat Intelligence as a suspicious IP address. This may indicate that your infrastructure has been compromised. We recommend further investigation. Learn more about Microsoft's threat intelligence capabilities.	Credential Access	Medium
Access from a TOR exit node to a key vault (KV_TORAccess)	A key vault has been accessed from a known TOR exit node. This could be an indication that a threat actor has accessed the key vault and is using the TOR network to hide their source location. We recommend further investigations.	Credential Access	Medium
High volume of operations in a key vault (KV_OperationVolumeAnomaly)	An anomalous number of key vault operations were performed by a user, service principal, and/or a specific key vault. This anomalous activity pattern may be legitimate, but it could be an indication that a threat actor has gained access to the key vault and the secrets contained within it. We recommend further investigations.	Credential Access	Medium
Suspicious policy change and secret query in a key vault (KV_PutGetAnomaly)	A user or service principal has performed an anomalous Vault Put policy change operation followed by one or more Secret Get operations. This pattern is not normally performed by the specified user or service principal. This may be legitimate activity, but it could be an indication that a threat actor has updated the key vault policy to access previously inaccessible secrets. We recommend further investigations.	Credential Access	Medium
Suspicious secret listing and query in a key vault (KV_ListGetAnomaly)	A user or service principal has performed an anomalous Secret List operation followed by one or more Secret Get operations. This pattern is not normally performed by the specified user or service principal and is typically associated with secret dumping. This may be legitimate activity, but it could be an indication that a threat actor has gained access to the key vault and is trying to discover secrets that can be used to move laterally through your network and/or gain access to sensitive resources. We recommend further investigations.	Credential Access	Medium
Unusual access denied - User accessing high volume of key vaults denied (KV_AccountVolumeAccessDeniedAnomaly)	A user or service principal has attempted access to anomalously high volume of key vaults in the last 24 hours. This anomalous access pattern may be legitimate activity. Though this attempt was unsuccessful, it could be an indication of a possible attempt to gain access of key vault and the secrets contained within it. We recommend further investigations.	Discovery	Low
Unusual access denied - Unusual user accessing key vault denied (KV_UserAccessDeniedAnomaly)	A key vault access was attempted by a user that does not normally access it, this anomalous access pattern may be legitimate activity. Though this attempt was unsuccessful, it could be an indication of a possible attempt to gain access of key vault and the secrets contained within it.	Initial Access, Discovery	Low
Unusual application accessed a key vault (KV_AppAnomaly)	A key vault has been accessed by a service principal that does not normally access it. This anomalous access pattern may be legitimate activity, but it could be an indication that a threat actor has gained access to the key vault in an attempt to access the secrets contained within it. We recommend further investigations.	Credential Access	Medium
Unusual operation pattern in a key vault (KV_OperationPatternAnomaly)	An anomalous pattern of key vault operations was performed by a user, service principal, and/or a specific key vault. This anomalous activity pattern may be legitimate, but it could be an indication that a threat actor has gained access to the key vault and the secrets contained within it. We recommend further investigations.	Credential Access	Medium
Unusual user accessed a key vault (KV_UserAnomaly)	A key vault has been accessed by a user that does not normally access it. This anomalous access pattern may be legitimate activity, but it could be an indication that a threat actor has gained access to the key vault in an attempt to access the secrets contained within it. We recommend further investigations.	Credential Access	Medium
Unusual user-application pair accessed a key vault (KV_UserAppAnomaly)	A key vault has been accessed by a user-service principal pair that does not normally access it. This anomalous access pattern may be legitimate activity, but it could be an indication that a threat actor has gained access to the key vault in an attempt to access the secrets contained within it. We recommend further investigations.	Credential Access	Medium
User accessed high volume of key vaults (KV_AccountVolumeAnomaly)	A user or service principal has accessed an anomalously high volume of key vaults. This anomalous access pattern may be legitimate activity, but it could be an indication that a threat actor has gained access to multiple key vaults in an attempt to access the secrets contained within them. We recommend further investigations.	Credential Access	Medium

Alerts for Azure DDoS Protection

Further details and notes

Alert	Description	MITRE tactics (Learn more)	Severity
DDoS Attack detected for Public IP	DDoS Attack detected for Public IP (IP address) and being mitigated.	Probing	High
DDoS Attack mitigated for Public IP	DDoS Attack mitigated for Public IP (IP address).	Probing	Low

Security incident alerts

Further details and notes

Alert	Description	MITRE tactics (Learn more)	Severity
Security incident with shared process detected	The incident which started on {Start Time (UTC)} and recently detected on {Detected Time (UTC)} indicates that an attacker has {Action taken} your resource {Host}	-	High
Security incident detected on multiple resources	The incident which started on {Start Time (UTC)} and recently detected on {Detected Time (UTC)} indicates that similar attack methods were performed on your cloud resources {Host}	-	Medium
Security incident detected from same source	The incident which started on {Start Time (UTC)} and recently detected on {Detected Time (UTC)} indicates that an attacker has {Action taken} your resource {Host}	-	High
Security incident detected on multiple machines	The incident which started on {Start Time (UTC)} and recently detected on {Detected Time (UTC)} indicates that an attacker has {Action taken} your resources {Host}	-	Medium

MITRE ATT&CK tactics

Understanding the intention of an attack can help you investigate and report the event more easily. To help with these efforts, Microsoft Defender for Cloud alerts include the MITRE tactics with many alerts.

The series of steps that describe the progression of a cyberattack from reconnaissance to data exfiltration is often referred to as a "kill chain".

Defender for Cloud's supported kill chain intents are based on version 9 of the MITRE ATT&CK matrix and described in the table below.

Tactic	ATT&CK Version	Description
PreAttack		PreAttack could be either an attempt to access a certain resource regardless of a malicious intent, or a failed attempt to gain access to a target system to gather information prior to exploitation. This step is usually detected as an attempt, originating from outside the network, to scan the target system and identify an entry point.
Initial Access	V7, V9	Initial Access is the stage where an attacker manages to get a foothold on the attacked resource. This stage is relevant for compute hosts and resources such as user accounts, certificates etc. Threat actors will often be able to control the resource after this stage.
Persistence	V7, V9	Persistence is any access, action, or configuration change to a system that gives a threat actor a persistent presence on that system. Threat actors will often need to maintain access to systems through interruptions such as system restarts, loss of credentials, or other failures that would require a remote access tool to restart or provide an alternate backdoor for them to regain access.
Privilege Escalation	V7, V9	Privilege escalation is the result of actions that allow an adversary to obtain a higher level of permissions on a system or network. Certain tools or actions require a higher level of privilege to work and are likely necessary at many points throughout an operation. User accounts with permissions to access specific systems or perform specific functions necessary for adversaries to achieve their objective may also be considered an escalation of privilege.
Defense Evasion	V7, V9	Defense evasion consists of techniques an adversary may use to evade detection or avoid other defenses. Sometimes these actions are the same as (or variations of) techniques in other categories that have the added benefit of subverting a particular defense or mitigation.
Credential Access	V7, V9	Credential access represents techniques resulting in access to or control over system, domain, or service credentials that are used within an enterprise environment. Adversaries will likely attempt to obtain legitimate credentials from users or administrator accounts (local system administrator or domain users with administrator access) to use within the network. With sufficient access within a network, an adversary can create accounts for later use within the environment.
Discovery	V7, V9	Discovery consists of techniques that allow the adversary to gain knowledge about the system and internal network. When adversaries gain access to a new system, they must orient themselves to what they now have control of and what benefits operating from that system give to their current objective or overall goals during the intrusion. The operating system provides many native tools that aid in this post-compromise information-gathering phase.
LateralMovement	V7, V9	Lateral movement consists of techniques that enable an adversary to access and control remote systems on a network and could, but does not necessarily, include execution of tools on remote systems. The lateral movement techniques could allow an adversary to gather information from a system without needing more tools, such as a remote access tool. An adversary can use lateral movement for many purposes, including remote Execution of tools, pivoting to more systems, access to specific information or files, access to more credentials, or to cause an effect.
Execution	V7, V9	The execution tactic represents techniques that result in execution of adversary-controlled code on a local or remote system. This tactic is often used in conjunction with lateral movement to expand access to remote systems on a network.
Collection	V7, V9	Collection consists of techniques used to identify and gather information, such as sensitive files, from a target network prior to exfiltration. This category also covers locations on a system or network where the adversary may look for information to exfiltrate.
Command and Control	V7, V9	The command and control tactic represents how adversaries communicate with systems under their control within a target network.
Exfiltration	V7, V9	Exfiltration refers to techniques and attributes that result or aid in the adversary removing files and information from a target network. This category also covers locations on a system or network where the adversary may look for information to exfiltrate.
Impact	V7, V9	Impact events primarily try to directly reduce the availability or integrity of a system, service, or network; including manipulation of data to impact a business or operational process. This would often refer to techniques such as ransomware, defacement, data manipulation, and others.

Note

For alerts that are in preview: The Azure Preview Supplemental Terms include additional legal terms that apply to Azure features that are in beta, preview, or otherwise not yet released into general availability.

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Additional resources

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