Description
This module will create a permanent WMI event subscription to achieve file-less persistence using an event filter that triggers the payload when the specified process is started.
Additionally a custom command can be specified to run once the trigger is activated using the advanced option CustomPsCommand. This module requires administrator level privileges as well as a high integrity process. It is also recommended to use staged payloads due to powershell script length limitations.
Many built-in apps on Windows 10/11 launch via a modern UWP app (Win32Bridge.Server.exe or ApplicationFrameHost.exe), not the legacy binary (like calc.exe). If you pick one of these apps, like calc.exe, it can still be triggered from command line, however GUI execution will not work.
Duplicate CLASSNAMEs will not overwrite, so if the env isn't cleaned up before re-exploitation, the exploitation will fail.
Tested and works being launched from GUI (windows 10): chrome.exe (several shells at once) calc.exe (only from command line calc.exe or calc) msedge.exe (several shells at once) cmd.exe
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/windows/persistence/wmi/wmi/event_subscription_processmsf undefined(event_subscription_process) > show actions ...actions...msf undefined(event_subscription_process) > set ACTION < action-name >msf undefined(event_subscription_process) > show options ...show and set options...msf undefined(event_subscription_process) > runPrioritise with Active Threat Intelligence
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