delete_usnjrnl.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: USN Journal Deletion with fsutil.exe
# RTA: delete_usnjrnl.py
# ATT&CK: T1107
# signal.rule.name: Delete Volume USN Journal with Fsutil
# Description: Uses fsutil to delete the USN journal.

import time

from . import common
from . import RtaMetadata


metadata = RtaMetadata(
    uuid="5d049893-b5ca-4482-a9ea-c38c6d01c171",
    platforms=["windows"],
    endpoint=[],
    siem=[{"rule_id": "f675872f-6d85-40a3-b502-c0d2ef101e92", "rule_name": "Delete Volume USN Journal with Fsutil"}],
    techniques=["T1070"],
)


@common.requires_os(*metadata.platforms)
def main():
    message = "Deleting the USN journal may have unintended consequences"
    common.log("WARNING: %s" % message, log_type="!")
    time.sleep(2.5)
    common.execute(["fsutil", "usn", "deletejournal", "/d", "C:"])


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