ed9b145ebd
Co-authored-by: shashank-elastic <91139415+shashank-elastic@users.noreply.github.com>
45 lines
1.3 KiB
Python
45 lines
1.3 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="ac1f9204-f612-4d50-9de0-6dabcd589816",
|
|
platforms=["linux"],
|
|
endpoint=[
|
|
{
|
|
"rule_name": "System V Init (init.d) Egress Network Connection",
|
|
"rule_id": "b38eb534-230c-45f4-93ba-fc516ac51630"
|
|
}
|
|
],
|
|
techniques=["T1037", "T1071"],
|
|
)
|
|
|
|
|
|
@common.requires_os(*metadata.platforms)
|
|
def main():
|
|
|
|
# Path for the fake initd executable
|
|
masquerade = "/etc/init.d/rta"
|
|
source = common.get_path("bin", "netcon_exec_chain.elf")
|
|
|
|
common.log("Creating a fake initd executable..")
|
|
common.copy_file(source, masquerade)
|
|
common.log("Granting execute permissions...")
|
|
common.execute(['chmod', '+x', masquerade])
|
|
|
|
# Execute the fake initd executable
|
|
common.log("Executing the fake initd executable..")
|
|
commands = [masquerade, 'chain', '-h', '8.8.8.8', '-p', '53', '-c', '/etc/init.d/rta netcon -h 8.8.8.8 -p 53']
|
|
common.execute([*commands], timeout=5, kill=True)
|
|
|
|
# Cleanup
|
|
common.remove_file(masquerade)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
exit(main())
|