# Windows Office Application Startup Persistence Achieve persistence by writing the Trojan file path in the registry key HKEY_CURRENT_USER\Software\Microsoft\Office test\Special\Perf. Whenever an Office program is run (such as opening a Word document), the Trojan file will be automatically executed. ## Note This method is not anti-detection. ## Operation Method Refer to [Winlogon Helper DLL Persistence](./Persistence_WinlogonHelperDLL_Windows)