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HighMicrosoft Sentinel analytics

Clearing of forensic evidence from event logs using wevtutil

This query checks for attempts to clear at least 10 log entries from event logs using wevtutil. Clearing event logs can be a sign of ransomware activity, as ransomware often attempts to cover its tracks by deleting logs.

Detection logic

Detection requirements

Platform
ContainersESXiLinuxmacOSNetwork DevicesOffice SuiteWindows

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

Log source product
microsoftthreatprotection
Log source service
deviceprocessevents

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