# 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="9e85eb9f-ee9e-4c73-8a83-14dd29a5aa80", platforms=["windows"], endpoint=[ { "rule_name": "Connection to Dynamic DNS Provider by an Unsigned Binary", "rule_id": "75b80e66-90d0-4ab6-9e6b-976f7d690906", } ], siem=[], techniques=["T1071"], ) EXE_FILE = common.get_path("bin", "renamed_posh.exe") @common.requires_os(*metadata.platforms) def main(): posh = "C:\\Users\\Public\\posh.exe" common.copy_file(EXE_FILE, posh) # Execute command common.log("Using PowerShell to connect to a DDNS provider website") common.execute([posh, "/c", "iwr", "https://www.noip.com", "-UseBasicParsing"], timeout=10) common.remove_file(posh) if __name__ == "__main__": exit(main())