Files
sigma-rules/rta/linux_execution_hidden_process_unusual_execution.py
T
2024-08-08 19:33:49 +05:30

41 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.
from . import common
from . import RtaMetadata
metadata = RtaMetadata(
uuid="50efd72e-147a-4f24-8c36-f8d1d69a9cfc",
platforms=["linux"],
endpoint=[
{
"rule_name": "Suspicious Execution via a Hidden Process",
"rule_id": "c52891b5-8f83-4571-8e68-ea2601f46285"
}
],
techniques=["T1059", "T1564", "T1071"],
)
@common.requires_os(*metadata.platforms)
def main():
common.log("Creating a fake hidden executable..")
masquerade = "/tmp/.evil"
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__":
exit(main())