# 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())