Files
sigma-rules/rta/linux_reverse_shell.py
T
2024-06-07 00:12:37 +05:30

32 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 subprocess
from . import RtaMetadata, common
metadata = RtaMetadata(
uuid="a5603982-8b43-4ea9-b8de-112d9817e12d",
platforms=["linux"],
endpoint=[{"rule_name": "Linux Reverse Shell", "rule_id": "52206861-4570-4b8b-a73e-4ef0ea379a4c"}],
siem=[],
techniques=["T1059", "T1071"],
)
@common.requires_os(metadata.platforms)
def main() -> None:
common.log("Creating the bash command to execute to get the proper parent/child relationship in place...")
# Bash command that attempts a network connection and then starts a new bash process with the -i flag
bash_command = 'exec 3<>/dev/tcp/8.8.8.8/53; echo -e "Connection Test" >&3; exec 3<&-; exec 3>&-; exec bash -i'
common.log("Executing the bash command...")
# Use subprocess.Popen to execute the bash command
subprocess.Popen(["bash", "-c", bash_command]) # noqa: S603 S607
common.log("Simulation successful!")
if __name__ == "__main__":
main()