Security researchers have discovered an automated toolkit that enables the user to set up a botnet using the popular micro-blogging platform, Twitter as the botnet command and control platform.Attackers have used Twitter in the past to issue orders to botnets. Security researchers at Arbor Networks discovered a botnet using Twitter as a command and control server. Twitter’s security team has shut down dozens of accounts with suspicious messages that could be traced orders to zombie computers. But the new toolkit, called TwitterNET Builder, takes the code writing knowledge out of using the service for command and control.
http://searchsecurity.techtarget.com.au/articles/40951-Twitter-used-to-control-Botnet
The antimalware vendor said it issued updates to detect malware designed to get orders from Twitter.