Logs all keyboard events except cmd-keys and GUI password input. Keylogs are transferred between client/server in chunks every SYNCWAIT seconds for reliability. Works by calling the Carbon GetKeys() hook using the DL lib in OSX's system Ruby. The Ruby code is executed in a shell command using -e, so the payload never hits the disk.
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
Time is precious, so I don’t want to do something manually that I can automate. Leveraging the Metasploit Framework when automating any task keeps us from having to re-create the wheel as we can use the existing libraries and focus our efforts where it matters.
– Jim O’Gorman | President, Offensive Security