Spammers Are Hiding Messages In Free Mp3 Files To Avoid Detection!!!
Even your iPod is no longer safe from spam. Security firm MessageLabs today reports that it has spotted a massive run of spam sent out in the form of mp3 files and masquerading as music clips from popular artists. This is the first instance of a large distribution of spam hiding inside sound files, the researchers say.On October 17th, MessageLabs intercepted the first copies of a fairly large spam run likely to be conducted by the same group responsible for the earlier PDF spam. The spam run continued for about a day and a half, accounting for around a half million spasm per hour. The audio files were being randomized automatically by changing name and file sizes, sometimes with the same message repeated up to three times within the attachment.
The Mp3 files fooled users with attracting and deceptive names, such as bartsimpsonmp3, beatlesmp3, britneymp3, familyguymp3, elvismp3, and freemp3. The files also fooled most anti-spam tools, which typically cannot detect spam hidden in a sound file.
Many of the computers used to send mp3 files were computers known to be infected with the Storm Trojan, leading MessageLabs to conclude that they are part of the ongoing pump-and-dump scam that has been riding on Storm for months. Botnets, particularly have been using an increasingly wide and innovative range of formats for distributing spam, including Zip and PDF file formats, the researchers noted.
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