Custom File Open Handler Executes PowerShell
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About the rule
Rule Type
Standard
Rule Description
Detects the abuse of custom file open handler, executing powershell
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Registry value modified" AND (OBJECTNAME contains "shell\open\command" OR (OBJECTNAME endswith "shell\open\command" AND isExist(OBJECTVALUENAME))) AND (INFORMATION contains "powershell" AND INFORMATION contains "-command") select Action1.HOSTNAME,Action1.MESSAGE,Action1.OBJECTNAME,Action1.PROCESSNAME,Action1.PREVVAL,Action1.CHANGES
Detection
Execution Mode
realtime
Log Sources
Windows
Author
CD_R0M_
