Of Mice and Compromised Keyboards...Malware Goes Peripheral

There was malicious firmware for Apple keyboards back in 2009 -- http://www.blackhat.com/presentations/bh-usa-09/CHEN/BHUSA09...

Teensy is "a USB drive whose malicious software waits until the victims' computer is booted and sufficiently logged into a computer network before it begins operation"? Bad journalism... Teensy is only a microcontroller...

How can you use Metasploit to exploit an "undocumented vulnerability"?

Also, if you'd like to make your own, Hak5 forums have a parts list http://forums.hak5.org/index.php?showtopic=16236 and lots of project ideas for it http://forums.hak5.org/index.php?showforum=56

edit: removed useless video link