[FYI] Hidden Messages in Spam

["Axel H Horns" <axel.h.horns@gmx.net>]

<http://slashdot.org/article.pl?sid=04/04/08/1224205>

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."

[...]


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