in reply to
copy perl and some modules into an offline OS
Good that you're aware of using a jail; suggest that your next improvement be a system of moderating the AnonyUser updates before they're public and providing (requiring!) meaningful titles.
IMO, that list list of "untitled.pl" scripts is something a reasonably cautious individual would spot and run from.
And, please, use PM markup -- your link is borked!
If you didn't program your executable by toggling in binary, it wasn't really programming!