This is a picture of the early evolution of the Rustock backdoor Trojan. Totmau is a Trojan Symantec found a few months before Rustock was discovered. Researchers there suspect the malware authors may be the same or connected, but that has not been established.
3Rustock Code
This is the actual code Rustock uses to target victims.
4Cracking Rustocks Code
Here is a flowchart of a Rustock sample using a method to make things difficult for analysts. The malware author twists the code on purpose in an attempt to obfuscate the real intention.
5How It Happens
In this diagram, researchers outlined how the botnet works to infect users and spread spam.
6A Side of Spam
Rustock is a sophisticated and prolific spamming machine. The individual spambots are among the fastest at sending spam that we have observed—we clocked one individual bot at 25,000 messages per hour from a standard desktop PC.
7Communication Is Key
This image shows the flow of information a bot goes through when it queries the C&C server.
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