# 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 pathlib import Path from . import common from . import RtaMetadata metadata = RtaMetadata( uuid="aac863d1-8306-463e-b81f-3d97ba925a44", platforms=["macos"], endpoint=[ { "rule_name": "Suspicious PrivilegedHelperTool Activity", "rule_id": "900fdb84-2a81-4a6d-88db-b48a0fafd79e", } ], siem=[], techniques=["T1068"], ) @common.requires_os(*metadata.platforms) def main(): tools = Path("/Library/PrivilegedHelperTools") tools.mkdir(parents=True, exist_ok=True) masquerade = str(tools / "testbin") common.create_macos_masquerade(masquerade) # Execute command common.log("Launching fake bash commands to abnormal echo shell commands") command = f"bash -c '/tmp/*'" common.execute([masquerade, "childprocess", command], timeout=10, kill=True, shell=True) # cleanup common.remove_directory(str(tools)) if __name__ == "__main__": exit(main())