Windows Event Logs Cleared
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-system.*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (https://www.elastic.co/guide/en/elasticsearch/reference/current/common-options.html#date-math[Date Math format], see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Defense Evasion
Version: 3
Rule authors:
- Elastic
- Anabella Cristaldi
Rule license: Elastic License v2
event.action:("audit-log-cleared" or "Log clear")
Framework: 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/
Sub-technique:
- Name: Clear Windows Event Logs
- ID: T1070.001
- Reference URL: https://attack.mitre.org/techniques/T1070/001/