huntrule

Suspicious Removal of EventLog EVTX File (via file_delete)

This rule detects the deletion of the event log files which may indicate an attempt to destroy forensic evidence

SigmamediumWindowsv1
sigma
title: Suspicious Removal of EventLog EVTX File (via file_delete)
id: 79368016-02c0-5939-9006-9a239a60e519
status: stable
description: This rule detects the deletion of the event log files which may indicate an attempt to destroy forensic evidence
references:
    - https://attack.mitre.org/techniques/T1070/
    - Internal Research
author: Huntrule Team
date: 2026-02-17
tags:
    - attack.stealth
    - attack.t1070
logsource:
    category: file_delete
    product: windows
detection:
    selection:
        TargetFilename|startswith: 'C:\Windows\System32\winevt\Logs\'
        TargetFilename|endswith: '.evtx'
    condition: selection
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.