Finsher's "The Social Network" shows some real Perl code too. In several scenes with monitor closeups - downloading images via Perl calling wget from Harward dorm websites.
hacking scene: http://www.youtube.com/watch?v=odOzMz-fOOw
hacking scene: http://www.youtube.com/watch?v=odOzMz-fOOw
Most of the time in other hollywood films, it's downright bogus. [2]
[1] http://oracle-wtf.blogspot.ru/2012/05/girl-with-ansi-tattoo....
[2] http://www.youtube.com/watch?v=aApTVqeGJMw Hacking scene from Skyfall, ugh.