There's a new malware out there which appears to be hidden in memes, and uses twitter to communicate back to the malwware's command and control. It's a RAT (remote access trojan).

Although Twitter didn’t host any malicious content, nor could the tweets result in a malware infection, it’s an interesting (although not unique) way of using the social media site as a clever way of communicating with malware.

[techcrunch.com...]