The whole point of the underhanded c contest is that the code looks extremely benign, and you wouldn't know that it's doing something evil by staring at it for a short time. Example: http://underhanded.xcott.com/?page_id=22

Anyway, it was a joke.

edit: But I'm not touching that binary with a 10 foot pole, thank you. There isn't even any guarantee yet that that source compiles into the given binary.