Clearing Windows Event Logsedit

Identifies attempts to clear Windows event log stores. This is often done by attackers in an attempt to evade detection or destroy forensic evidence on a system.

Rule type: query

Rule indices:

  • winlogbeat-*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum signals per execution: 100


  • Elastic
  • Windows

Version: 2 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.7.0

Rule queryedit

event.action:"Process Create (rule: ProcessCreate)" and and process.args:cl or and process.args:Clear-EventLog

Threat mappingedit


Rule version historyedit

Version 2 (7.7.0 release)

Updated query, changed from:

event.action:"Process Create (rule: ProcessCreate)" and
("wevtutil.exe" and process.args:"cl") or
("powershell.exe" and process.args:"Clear-EventLog")