Suspicious Process Parents

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About the rule

Rule Type

Standard

Rule Description

Detects suspicious parent processes that should not have any children or should only have a single possible child program

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\minesweeper.exe,\winver.exe,\bitsadmin.exe" OR (PARENTPROCESSNAME endswith "\csrss.exe,\certutil.exe,\eventvwr.exe,\calc.exe,\notepad.exe" AND (PROCESSNAME notendswith "\WerFault.exe,\wermgr.exe,\conhost.exe,\mmc.exe,\win32calc.exe,\notepad.exe" AND isExist(PROCESSNAME))) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Florian Roth (Nextron Systems)