Unusual Parent Process For Cmd.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious parent process for cmd.exe
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PROCESSNAME endswith "\cmd.exe" AND PARENTPROCESSNAME endswith "\csrss.exe,\ctfmon.exe,\dllhost.exe,\epad.exe,\FlashPlayerUpdateService.exe,\GoogleUpdate.exe,\jucheck.exe,\jusched.exe,\LogonUI.exe,\lsass.exe,\regsvr32.exe,\SearchIndexer.exe,\SearchProtocolHost.exe,\SIHClient.exe,\sihost.exe,\slui.exe,\spoolsv.exe,\sppsvc.exe,\taskhostw.exe,\unsecapp.exe,\WerFault.exe,\wermgr.exe,\wlanext.exe,\WUDFHost.exe" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Tim Rauch, Elastic (idea)
