Eric Forte
aea7d578ed
Co-authored-by: protectionsmachine <72879786+protectionsmachine@users.noreply.github.com> Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
52 lines
1.5 KiB
Python
52 lines
1.5 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="5b277316-4584-4e4f-8a71-6c7d833e2c30",
|
|
platforms=["linux"],
|
|
endpoint=[
|
|
{
|
|
"rule_name": "Scheduled Job Executing Binary in Unusual Location",
|
|
"rule_id": "f2a52d42-2410-468b-9910-26823c6ef822"
|
|
}
|
|
],
|
|
techniques=["T1543", "T1053"],
|
|
)
|
|
|
|
|
|
@common.requires_os(*metadata.platforms)
|
|
def main():
|
|
|
|
# Path for the fake systemd script
|
|
fake_systemd = "/tmp/systemd"
|
|
|
|
# Create fake sh executable
|
|
masquerade = "/tmp/sh"
|
|
source = common.get_path("bin", "linux.ditto_and_spawn")
|
|
common.copy_file(source, masquerade)
|
|
|
|
# Create a fake systemd script that launches sh
|
|
with open(fake_systemd, 'w') as script:
|
|
script.write('#!/bin/bash\n')
|
|
script.write('/tmp/sh\n')
|
|
|
|
# Make the script executable
|
|
common.execute(['chmod', '+x', fake_systemd])
|
|
common.execute(['chmod', '+x', masquerade])
|
|
|
|
# Execute the fake systemd script
|
|
common.log("Launching a shell that executes a payload as a child of fake systemd")
|
|
common.execute([fake_systemd], timeout=5, kill=True, shell=True)
|
|
|
|
# Cleanup
|
|
common.remove_file(fake_systemd)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|