Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Rule to detect the use of the SCX RunAsProvider Invoke_ExecuteShellCommand to execute any UNIX/Linux command using the /bin/sh shell. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite. This activity is indicative of the OMIGOD vulnerability exploitation.
Detects exploitation attempts related to the Nimbuspwn privilege escalation vulnerabilities (CVE-2022-29799 and CVE-2022-29800) on Linux systems. The rule looks for specific keywords that indicate the `networkd-dispatcher` service is being manipulated, potentially to execute arbitrary code with elevated privileges.
This rule detects the execution of a script via the SCX RunAsProvider ExecuteScript function, which is associated with the OMIGOD vulnerability. Specifically, it looks for process creation events where the user is 'root', the LogonId is '0', the CurrentDirectory is '/var/opt/microsoft/scx/tmp', and the CommandLine contains '/etc/opt/microsoft/scx/conf/tmpdir/scx'. This pattern indicates the execution of a temporary script created by the SCX agent, often exploited for privilege escalation or initial access.
Detects an exploitation attempt of the SystemNightmare vulnerability, which aims to obtain a shell with LOCAL_SYSTEM privileges. The rule specifically looks for command-line arguments associated with known exploitation tools or techniques related to SystemNightmare, such as references to 'printnightmare.gentilkiwi.com', '/user:gentilguest', or 'Kiwi Legit Printer'.
Detects the use of a specific default username, 'thisisnotvaliduser', during an interactive logon (LogonType 9) event (EventID 4624) on a Windows system. This specific username is associated with the DiagTrackEoP Proof-of-Concept (POC) for privilege escalation.
This rule detects the creation of the Process Monitor (procmon) driver file (.sys) by any process other than the legitimate Process Monitor executable itself (procmon.exe or procmon64.exe). This behavior can indicate an attempt to load a malicious or unauthorized driver, potentially for privilege escalation or persistence, by masquerading as a legitimate system utility.
Detects the creation of the LiveKD driver (LiveKdD.SYS) by any process other than the legitimate LiveKD executables (livekd.exe or livek64.exe). This could indicate an attempt to load a malicious or unauthorized driver using a renamed or masqueraded process.
Detects the creation of Process Explorer drivers by processes other than Process Explorer itself. This activity can indicate that hack tools or malware are attempting to use the Process Explorer driver for privilege escalation, often by dropping the driver to disk, running a service with it, and then removing it.
Detects the creation of a specific named pipe ('thisispipe') which is known to be used by the DiagTrackEoP Proof-of-Concept tool. This tool exploits the "SeImpersonate" privilege for privilege escalation on Windows systems.
Rule to detect the use of the SCX RunAsProvider Invoke_ExecuteShellCommand to execute any UNIX/Linux command using the /bin/sh shell.
SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
Rule to detect the use of the SCX RunAsProvider ExecuteScript to execute any UNIX/Linux script using the /bin/sh shell.
Script being executed gets created as a temp file in /tmp folder with a scx* prefix.
Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/.
The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
Script being executed gets created as a temp file in /tmp folder with a scx* prefix.
Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/.
The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
Yara rule that detects DarkSide ransomware.
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