Amazon EC2 and Zeus Trojan
Amazon Elastic Compute Cloud or (EC2) is a web-service to provide virtual computers to developers and professionals and is used as a command and control center for the purposes of a botnet. The report was found by researches of CA Technologies, the makers of CA Antivirus software.
Zeus is known as the King of Crimeware toolkit as per Symantec, and has performed these types of attacks in the past and continues to be in the wild. Zeus Trojan is also known as Kneber, Zbot, PRG, Gorhax, and Wsnpoem by several antivirus vendors. The crimeware toolkit, Zeus is sold to attackers who want to steal valuable information from Internet and computer users. It spreads using email as spam or phishing and drive-by downloads.
An example of the Zeus Trojan distribution is used by sending a fraudulent Facebook, IRS, Microsoft emails or messages with the intention to fool recipients in installing the Trojan or entering personal information such as credit cards, full name, social security number and medical ID numbers. Some reports by antivirus malware research teams are that Zeus can be distributed by visiting websites that were compromised or created. Drive-by downloads are a method by attackers to spread the malware by taking advantage of vulnerability of platforms; for example, browsers, forum software or any software that is not up-to-date, and does not have security updates installed.