Kraken botnet evolving, says PC Tools

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by Stephen Withers

Tuesday, 29 April 2008

Page 2 of 2 Other characteristics of the malware include the use of encryption and pseudo-random dynamic DNS names to communicate with control centres, and the possible use of MSN Messenger as well as email to spread itself (using sef-extracting files masked as JPEG images). Related stories Symantec swallows promising Australian security middleweight 5 million fake news spams per hour What is the speed of spam? 7.8 billion messages per hour! F****** Microsoft and that W***** George Bush help boost spam traffic Spam back on the menu as botnet creating email triples in one week According to some reports, Kraken has built the world's largest botnet. Earlier this month, security vendor Damballa claimed that over 400,000 computers had fallen victim. "We've observed evidence of Kraken-based compromises in at least 50 of the Fortune 500,” said Paul Royal, principal researcher at Damballa. Company officials predicted the number would rise to over 600,000 by mid-April, and noted that a infected computer had been seen to send as many as half a million spam emails in one day. PC Tools officials say fresh infections have recently been detected in the Americas, Europe, Asia, Australasia and Africa. Please enable JavaScript in your browser to post your comment! Tags See All Tags Botnets  Email  Instant messaging  Internet  Malware  Security  Spam  Stephen Withers  Get stories like this delivered daily - FREE - subscribe now << First page <   1 2 Next page > Last page - Post your comment >>

 

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