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("Security Advisory")



Submitted by: Bill Hickey
NCVA List Master

NRT-0311 Botnets Kept Small, Operations Use Swarm Tactics:


Criminals are splitting their botnets into smaller groups in a bid to create multi-swarm attacks that can escape detection, according to an online press report citing warnings by security firms Finjan and F-Secure. "F-Secure's assertion is in line with our own trends analysis," said Yuval Ben-Itzhak, chief technology officer at Finjan. According to Finjan's quarterly security trends report, there are numerous new attack vectors that raise the number of Trojan infections that create botnets. "The focus has now moved on to the crimeware toolkits that generate the infections more easily and with greater force. The resultant botnet swarm potential from such infections is significant," said Ben-Itzhak. Ben-Itzhak warned that botnets are being rented out for as little as $100 for a few hours. "By escaping detection in this way, criminals can effectively fly their rented botnets under the security radar, and ensure that the swarm hits the relevant web sites with devastating results. This is a potentially serious evolution in the world of botnets," he added.

(vnunet.com 02OCT07)


Last Modified: Saturday, 27-Oct-2007 19:01:25 EDT