Grum, one of the largest spamming botnets, suspected to be responsible for over 17% of worldwide spam (as described here), which was “killed” in July 2012, still lives. We have been tracking its activity since January 2013. We can confirm spiderlab’s doubts about the grum killing published in March 2013. The following article provides some details […]
During the past months, the spam engine Kelihos has attracted the attention of many people, including security company researchers and analysts. Very interesting also was the recent official Microsoft response where has been confirmed a new generation of Kelihos variants derived from the previous. The Websense® Security Labs™ Spam Trap system has detected a variant of Kelihos that is apparently still active. We focused […]
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