Files
sigma-rules/rta/ransomnote_delete_shadows.py
T
2022-09-08 12:50:39 -04:00

33 lines
1.0 KiB
Python

# 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.
from . import common
from . import RtaMetadata
metadata = RtaMetadata(
uuid="2ab87570-d9ad-40f4-9f52-d5a2942e11ac",
platforms=["windows"],
endpoint=[{"rule_name": "Potential Ransomware Note File", "rule_id": "5dba1130-72df-46f1-b581-18d9c866cb23"}],
siem=[],
techniques=["T1485"],
)
@common.requires_os(metadata.platforms)
def main():
vssadmin = "C:\\Windows\\System32\\vssadmin.exe"
powershell = "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe"
# Execute command
common.log("Deleting Shadow Copies and writing ransom note")
common.execute([vssadmin, "delete", "shadows", "/For=C:"], timeout=10)
common.execute([powershell, "/c", "echo 'Ooops! All your' > readme.txt"], timeout=10)
if __name__ == "__main__":
exit(main())