Windows Event Log Cleared via wevtutil

Severity highWindowsSingle eventexperimentalsigma.windows_event_log_cleared_via_wevtutil · v1.0.0

What it detects

Flags activity matching the SigmaHQ rule “Windows Event Log Cleared via wevtutil” — MITRE ATT&CK T1070.001, Indicator Removal: Clear Windows Event Logs.

MITRE ATT&CK mapping

  • T1070.001Indicator Removal: Clear Windows Event Logs· Defense Evasion

False positives and triage

Converted from Sigma; review before enabling.

The rule

Declarative YAML read by the detection engine — data, never executed. Confidence 70%. Source: rules/sigma/sigma.windows_event_log_cleared_via_wevtutil.yaml, licensed under the Detection Rule License 1.1.

id: sigma.windows_event_log_cleared_via_wevtutil
version: 1.0.0
status: experimental
severity: high
confidence: 0.7
platforms:
- windows
mitre_techniques:
- T1070.001
description: Windows Event Log Cleared via wevtutil (Sigma sample)
match:
  event_category: process
  process_path_contains_any:
  - \wevtutil.exe
  command_line_contains_any:
  - 'cl '
  - clear-log
false_positive_guidance: Converted from Sigma; review before enabling.

Adapted from the SigmaHQ rule “Windows Event Log Cleared via wevtutil”, distributed under the Detection Rule License 1.1. SigmaHQ.

Related detections

Run this rule on your own logs — offline

KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.

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