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InformationalSplunk security contentNasreddine Bencherchali +1

Windows Eventlog Cleared Via Wevtutil

The following analytic detects the usage of wevtutil.exe with the "clear-log" parameter in order to clear the contents of logs. Clearing the event logs can be an attempt to cover tracks after malicious actions,…

Description

The following analytic detects the usage of wevtutil.exe with the "clear-log" parameter in order to clear the contents of logs. Clearing the event logs can be an attempt to cover tracks after malicious actions, hindering forensic investigations.

Detection logic

Detection requirements

Platform
Windows

The rule states no platform. This is derived from the ATT&CK technique it maps to.

Log source category
crowdstrike_processrollup2sysmon_eventid_1windows_event_log_security_4688

Known benign triggers

  • The wevtutil.exe application is a legitimate Windows event log utility. Administrators may use it to manage Windows event logs.

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