An anonymous reader writes from a report via BleepingComputer: Necurs, the world’s largest spam botnet with nearly five million infected bots, of which one million are active each day, has added a new module that can be used for launching DDoS attacks. The sheer size of the Necurs botnet, even in its worst days, dwarfs all of today’s IoT botnets. The largest IoT botnet ever observed was Mirai Botnet #14 that managed to rack up around 400, 000 bots towards the end of 2016 (albeit the owner of that botnet has now been arrested). If this new feature were to ever be used, a Necurs DDoS attack would easily break every DDoS record there is. Fortunately, no such attack has been seen until now. Until now, the Necurs botnet has been seen spreading the Dridex banking trojan and the Locky ransomware. According to industry experts, there’s a low chance we’d see the Necurs botnet engage in DDoS attacks because the criminal group behind the botnet is already making too much money to risk exposing their full infrastructure in DDoS attacks. Read more of this story at Slashdot.
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World’s Largest Spam Botnet Adds DDoS Feature