Renamed PsExec Service Execution

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Detects suspicious launch of a renamed version of the PSEXESVC service with, which is not often used by legitimate administrators

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "Process started" AND ORIGINALFILENAME = "psexesvc.exe" AND PROCESSNAME != "C:\Windows\PSEXESVC.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

Florian Roth (Nextron Systems)