Files
sigma-rules/rta/deprecated/_funzip_extract_content.py
T
2023-03-24 17:29:22 -04:00

43 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="04361aca-0550-4134-ac21-939bf4a0582f",
platforms=["macos", "linux"],
endpoint=[
{
"rule_id": "41f1f818-0efe-4670-a2ed-7a4c200dd621",
"rule_name": "Suspicious Content Extracted or Decompressed via Built-In Utilities",
}
],
siem=[],
techniques=["T1059", "T1059.004", "T1027", "T1140"],
)
@common.requires_os(metadata.platforms)
def main():
masquerade = "/tmp/bash"
if common.CURRENT_OS == "linux":
source = common.get_path("bin", "linux.ditto_and_spawn")
common.copy_file(source, masquerade)
else:
common.create_macos_masquerade(masquerade)
# Execute command
common.log("Launching fake funzip commands to extract suspicious content")
common.execute([masquerade, "tail", "-c", "funzip"], timeout=10, kill=True)
# cleanup
common.remove_file(masquerade)
if __name__ == "__main__":
exit(main())