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

36 lines
928 B
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="9332cece-38b7-49e1-9f8d-e879913ffdfb",
platforms=["macos"],
endpoint=[
{
"rule_name": "Tclsh execution followed by immediate network connection",
"rule_id": "ac1eaed8-2aee-48d7-9824-2be1f00eda0e",
}
],
siem=[],
techniques=["T1059"],
)
@common.requires_os(*metadata.platforms)
def main():
masquerade = "/tmp/tclsh"
common.copy_file("/usr/bin/curl", masquerade)
common.log("Executing commands to mimic network activity from tclsh")
common.execute([masquerade, url], shell=True)
if __name__ == "__main__":
exit(main())