Files
sigma-rules/rta/linux_execution_cupsd_foomatic_rip_suspicious_child_execution.py
T
2024-10-28 22:50:12 +05:30

42 lines
1.2 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.
import sys
from . import RtaMetadata, common
metadata = RtaMetadata(
uuid="00a75607-9f1d-45c1-a9d8-41229cdb561f",
platforms=["linux"],
endpoint=[
{
"rule_name": "Suspicious Execution from Foomatic-rip or Cupsd Parent",
"rule_id": "7c4d6361-3e7f-481a-9313-d1d1c0e5a3a9",
},
],
techniques=["T1203"],
)
@common.requires_os(*metadata.platforms)
def main() -> None:
common.log("Creating a fake executable..")
masquerade = "/tmp/foomatic-rip"
source = common.get_path("bin", "netcon_exec_chain.elf")
common.copy_file(source, masquerade)
common.log("Granting execute permissions...")
common.execute(["chmod", "+x", masquerade])
commands = [masquerade, "exec", "-c", "/dev/tcp"]
common.execute([*commands], timeout=5, kill=True)
common.log("Cleaning...")
common.remove_file(masquerade)
common.log("Simulation successfull!")
if __name__ == "__main__":
sys.exit(main())