Förderverein Informationstechnik und Gesellschaft
Hidden Messages in Spam
Posted by michael on Thursday April 08, @09:09AM from the enlarge-your-inbox-now dept.
randomwalker writes "There was an extremely interesting presentation at the Blackhat Windows Security Conference in January by Dr Curtis Kret entitled Nobody's Anonymous. In his presentation he showed how information about spammers can be determined. In addition he showed that some spam is being used as a covert communication channel. This presentation demonstrates how to apply data forensics to spam in order to identify the sender of specific spam messages. Some senders can be identified by name, while others can be distinguished by attributes such as preferences, nationality, religion, and even left- handedness. Four spam categories are provided that classify spam by function, including List Makers, Scams, and Covert Communication channels. The examples provided include full-disclosure case studies: a phishing gang that targets bank customers with malware and impersonations, and an IRC group that uses spam as a covert communication channel."