Not too long ago, Microsoft and other security researchers were heralding the fall of the Kelihos botnet. It appears now however that whoever is behind it is fighting efforts to take it down.
Botnet shutdowns via sinkholing – where researchers redirect the malicious traffic from each bot to a server under their control – have become a prominent weapon in the fight against spammers. However, while sinkholing as its advantages, the persistence of Kelihos shows the method has its limitations when cyber-criminals stay at large, argued Kaspersky Lab analyst Maria Garnaeva. Continue reading Kelihos Botnet Update Shows Challenges Facing Takedown Efforts