# 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="eb06a33e-bc80-412b-8ae8-f45af6682293", platforms=["windows"], endpoint=[], siem=[{'rule_id': '71c5cb27-eca5-4151-bb47-64bc3f883270', 'rule_name': 'Suspicious RDP ActiveX Client Loaded'}], techniques=['T1021'], ) EXE_FILE = common.get_path("bin", "renamed_posh.exe") PS1_FILE = common.get_path("bin", "Invoke-ImageLoad.ps1") @common.requires_os(*metadata.platforms) def main(): proc = "C:\\Users\\Public\\proc.exe" user32 = "C:\\Windows\\System32\\user32.dll" dll = "C:\\Users\\Public\\mstscax.dll" ps1 = "C:\\Users\\Public\\Invoke-ImageLoad.ps1" wmiprvse = "C:\\Users\\Public\\WmiPrvSE.exe" common.copy_file(EXE_FILE, proc) common.copy_file(user32, dll) common.copy_file(PS1_FILE, ps1) common.copy_file(EXE_FILE, wmiprvse) common.log("Loading mstscax.dll into proc") common.execute([proc, "-c", f"Import-Module {ps1}; Invoke-ImageLoad {dll}"], timeout=10) common.remove_files(proc, dll, ps1) if __name__ == "__main__": exit(main())