#5 Zeus

Fact: Reports claim that over 944 Zeus C&C servers are still stealing bank data

Zeus is a Trojan horse that steals banking information by Man-in-the-browser keystroke logging and Form Grabbing. Zeus is spread mainly through drive-by downloads and phishing schemes. First identified in July 2007 when it was used to steal information from the United States Department of Transportation,[1] it became more widespread in March 2009. In June 2009, security company Prevx discovered that Zeus had compromised over 74,000 FTP accounts on websites of such companies as the Bank of America, NASA, Monster.com, ABC, Oracle, Play.com, Cisco, Amazon, and BusinessWeek.

Zeus, also called the “God of DIY botnets,” consists of a control panel and a builder tool to create executables. The malware mainly spreads through emails and drive-by infections. As of October 2012, its reported that around 944 Zeus C&C servers are still running and are successful in stealing sensitive bank data.

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