# 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. # Name: Application Compatibility Shims # RTA: appcompat_shim.py # ATT&CK: T1138 # Description: Use sdbinst.exe to install a binary patch/application shim. import time from . import common from . import RtaMetadata metadata = RtaMetadata( uuid="a4a8608e-d94f-4eb1-b500-738328307bbc", platforms=["windows"], endpoint=[], siem=[ {"rule_id": "fd4a992d-6130-4802-9ff8-829b89ae801f", "rule_name": "Potential Application Shimming via Sdbinst"} ], techniques=["T1546"], ) SHIM_FILE = common.get_path("bin", "CVE-2013-3893.sdb") @common.requires_os(*metadata.platforms) @common.dependencies(SHIM_FILE) def main(): common.log("Application Compatibility Shims") common.execute(["sdbinst.exe", "-q", "-p", SHIM_FILE]) time.sleep(2) common.log("Removing installed shim", log_type="-") common.execute(["sdbinst.exe", "-u", SHIM_FILE]) if __name__ == "__main__": exit(main())