Utility for installing software and drivers with rundll32.exe
rundll32.exe advpack.dll,RegisterOCX test.dll
Launch a DLL payload by calling the RegisterOCX function.
Load a DLL payload.
c:\windows\system32\advpack.dll, c:\windows\syswow64\advpack.dll
Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_rundll32_susp_activity.yml, Splunk: https://github.com/splunk/security_content/blob/86a5b644a44240f01274c8b74d19a435c7dae66e/detections/endpoint/detect_rundll32_application_control_bypass___advpack.yml
Jimmy (LaunchINFSection) (@bohops), Fabrizio (RegisterOCX - DLL) (@0rbz_), Moriarty (RegisterOCX - CMD) (@moriarty_meng), Nick Carr (Threat Intel) (@ItsReallyNick)