Powershell WMI Persistence

Last updated on:

About the rule

Rule Type

Standard

Rule Description

Adversaries may establish persistence and elevate privileges by executing malicious content triggered by a Windows Management Instrumentation (WMI) event subscription.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "PowerShell Script Block Logged" AND (SCRIPTEXECUTED contains "New-CimInstance " AND SCRIPTEXECUTED contains "-Namespace root/subscription " AND SCRIPTEXECUTED contains "-ClassName __EventFilter " AND SCRIPTEXECUTED contains "-Property ") OR (SCRIPTEXECUTED contains "New-CimInstance " AND SCRIPTEXECUTED contains "-Namespace root/subscription " AND SCRIPTEXECUTED contains "-ClassName CommandLineEventConsumer " AND SCRIPTEXECUTED contains "-Property ") select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113