sigma-rules/rta/wevtutil_log_clear.py

# Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
# or more contributor license agreements. Licensed under the Elastic License
# 2.0; you may not use this file except in compliance with the Elastic License
# 2.0.

# Name: Clearing Windows Event Logs
# RTA: wevutil_log_clear.py
# signal.rule.name: Clearing Windows Event Logs
# ATT&CK: T1070
# Description: Uses the native Windows Event utility to clear the Security, Application and System event logs.

import time

from . import common
from . import RtaMetadata


metadata = RtaMetadata(
    uuid="12b28e92-281f-49a7-a8b3-54681ba6d63e",
    platforms=["windows"],
    endpoint=[],
    siem=[{"rule_id": "d331bbe2-6db4-4941-80a5-8270db72eb61", "rule_name": "Clearing Windows Event Logs"}],
    techniques=["T1070"],
)


@common.requires_os(*metadata.platforms)
def main():
    common.log("Clearing Windows Event Logs")
    common.log("WARNING - About to clear logs from Windows Event Viewer", log_type="!")
    time.sleep(3)
    wevtutil = "wevtutil.exe"

    for log in ["security", "application", "system"]:
        common.execute([wevtutil, "cl", log])


if __name__ == "__main__":
    exit(main())