Bot herders and the crimeware gangs behind banker Trojans have had a lot of success in the last few years with using bulletproof hosting providers as their main base of operations. But more and more, social networks such as Twitter and Facebook are offering even more fertile grounds for controlling their malicious creations. The attack is as simple as it is effective. It begins with the Crimeware gang setting up one or more fake profiles on a given social network (RSA isn t naming the network on which it saw this specific attack)
Source: https://threatpost.com/attackers-moving-social-networks-command-and-control-071910/74225/