# 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 sys from . import RtaMetadata, common metadata = RtaMetadata( uuid="cf8104ca-bd23-4652-b1f7-b63e3d92bc66", platforms=["linux"], endpoint=[ { "rule_name": "MSR Write Access Enabled", "rule_id": "4342c282-ee21-4140-8e27-4e0f551489ef", }, ], techniques=["T1496", "T1059"], ) @common.requires_os(*metadata.platforms) def main() -> None: common.log("Creating a fake executable..") masquerade = "/tmp/modprobe" source = common.get_path("bin", "linux.ditto_and_spawn") common.copy_file(source, masquerade) common.log("Granting execute permissions...") common.execute(["chmod", "+x", masquerade]) commands = [masquerade, "msr", "allow_writes=on"] common.execute([*commands], timeout=5, kill=True) common.log("Cleaning...") common.remove_file(masquerade) common.log("Simulation successfull!") if __name__ == "__main__": sys.exit(main())