Windows Event Logs Cleared

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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-*
  • logs-windows.*
  • logs-system.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Defense Evasion

Version: 2 (version history)

Added (Elastic Stack release): 7.12.0

Last modified (Elastic Stack release): 7.16.0

Rule authors: Elastic, Anabella Cristaldi

Rule license: Elastic License v2

Rule query

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event.action:("audit-log-cleared" or "Log clear")

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 2 (7.16.0 release)
  • Formatting only