How Spamhaus’ attackers turned DNS into a weapon of mass destruction

Devnuts

Courtesy Ars Technica

Aurich Lawson

A little more than a year ago, details emerged about an effort by some members of the hacktivist group Anonymous to build a new weapon to replace their aging denial-of-service arsenal. The new weapon would use the Internet’s Domain Name Service as a force-multiplier to bring the servers of those who offended the group to their metaphorical knees. Around the same time, an alleged plan for an Anonymous operation, "Operation Global Blackout" (later dismissed by some security experts and Anonymous members as a "massive troll"), sought to use the DNS service against the very core of the Internet itself in protest against the Stop Online Piracy Act.

This week, an attack using the technique proposed for use in that attack tool and operation—both of which failed to materialize—was at the heart of an ongoing denial-of-service assault on Spamhaus, the anti-spam clearing house organization. And…

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