MMC Spawning Windows Shell

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About the rule

Rule Type

Standard

Rule Description

Detects a Windows command line executable started from MMC

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND PARENTPROCESSNAME endswith "\mmc.exe" AND (PROCESSNAME endswith "\cmd.exe,\powershell.exe,\pwsh.exe,\wscript.exe,\cscript.exe,\sh.exe,\bash.exe,\reg.exe,\regsvr32.exe" OR PROCESSNAME contains "\BITSADMIN") select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Karneades, Swisscom CSIRT