blog/source/threat-hunting/windows-event-log-clearing-events.md

title	layout	date
Windows Event Log Clearing Events	page	2025-07-27

Description: Looks for Windows event codes that indicate the Windows Audit Logs were tampered with. References: 1 SPL:

| tstats summariesonly=true allow_old_summaries=true count FROM datamodel=Endpoint.Processes WHERE index="windows" Processes.signature_id=4688 Processes.process_name="wevtutil.exe" Processes.process IN ("* clear-log *", "* cl *") BY index, host, Processes.signature_id, Processes.signature, Processes.process, Processes.user, _time span=1s
| rename Processes.* AS *, signature_id AS EventCode, signature AS EventDescription
| eval Time = strftime(_time, "%Y-%m-%d %H:%M:%S %z")
| lookup ad_users sAMAccountName AS user OUTPUT displayName AS Name, mail AS Email
| table Time, index, host, EventCode, EventDescription, process, user, Name, Email