Malware authors have a solid track record in regards to creative Command and Control protocols. We’ve seen peer-to-peer protocols, some custom (Sality), some standard (Win32/Storm uses the eDonkey P2P protocol).
There may be a new worm on Facebook today. Unfortunately I don’t yet have enough data to be conclusive. A friend received an IM from a friend on Facebook that said “Hey i just made myself a cartoon omg lol ill show you but you gotta do urs too” The IM also included a link
Last summer (June 2009), I posted about an example of a very common scam that relies on the scammer gaining access to someone else's email or Facebook account, then sending messages to all their contacts claiming that they've been mugged while abroad on business or vacation, and need their friends to send them some money
The estimable Gadi Evron has posted an article at DarkReading about a dialogue he was caught up in on Facebook. One of his contacts popped up in a Facebook Chat window and told him how she’d been been held at gunpoint and robbed in London, losing her credit card, cash and mobile phone. Well, having