Files
sigma-rules/rta/openssl_decode_payload.py
T
2023-10-03 10:47:58 -04:00

40 lines
1.1 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="fd86ee85-a3ee-4824-875b-bb386a23a578",
platforms=["macos"],
endpoint=[
{
"rule_id": "4dd92062-2871-43bc-adda-82f15cf6e189",
"rule_name": "Decoded or Decrypted Payload Written to Suspicious Directory",
}
],
siem=[],
techniques=["T1027", "T1140", "T1059", "T1059.004", "T1204", "T1204.002"],
)
@common.requires_os(*metadata.platforms)
def main():
masquerade = "/tmp/openssl"
common.create_macos_masquerade(masquerade)
# Execute command
common.log("Launching fake openssl commands to decode payload")
common.execute([masquerade, "-out", "/tmp/test", "enc", "-d"], timeout=10, kill=True)
# cleanup
common.remove_file(masquerade)
if __name__ == "__main__":
exit(main())