[FYI] Hidden Messages in Spam
<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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