HackTool - Powerup Write Hijack DLL

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About the rule

Rule Type

Standard

Rule Description

Powerup tool's Write Hijack DLL exploits DLL hijacking for privilege escalation. In it's default mode, it builds a self deleting .bat file which executes malicious command. The detection rule relies on creation of the malicious bat file (debug.bat by default).

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND PROCESSNAME endswith "\powershell.exe,\pwsh.exe" AND (FILENAME endswith ".bat" OR OBJECTNAME endswith ".bat") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Subhash Popuri (@pbssubhash)