41 lines
1.2 KiB
Python
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.
|
|
|
|
import sys
|
|
|
|
from . import RtaMetadata, common
|
|
|
|
metadata = RtaMetadata(
|
|
uuid="5b9be46b-18f2-4b74-9003-36d763c5d887",
|
|
platforms=["linux"],
|
|
endpoint=[
|
|
{
|
|
"rule_name": "Scheduled Job Executing Binary in Unusual Location",
|
|
"rule_id": "f2a52d42-2410-468b-9910-26823c6ef822",
|
|
},
|
|
],
|
|
techniques=["T1543", "T1053", "T1543"],
|
|
)
|
|
|
|
|
|
@common.requires_os(*metadata.platforms)
|
|
def main() -> None:
|
|
common.log("Creating a fake cron executable..")
|
|
masquerade = "/tmp/cron"
|
|
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/shm/foo"]
|
|
common.execute([*commands], timeout=5, kill=True)
|
|
common.log("Cleaning...")
|
|
common.remove_file(masquerade)
|
|
common.log("Simulation successfull!")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|