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Clearing Windows Event Logs
edit
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Clearing Windows Event Logs
editIdentifies 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 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
Tags:
- Elastic
- Windows
Rule version: 1
Added (Elastic Stack release): 7.6.0
Rule query
editevent.action:"Process Create (rule: ProcessCreate)" and (process.name:"wevtutil.exe" and process.args:"cl") or (process.name:"powershell.exe" and process.args:"Clear-EventLog")
Threat mapping
editFramework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Indicator Removal on Host
- ID: T1070
- Reference URL: https://attack.mitre.org/techniques/T1070/