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Striking a domain provider, Microsoft kills off a botnet

Robert McMillan | Sept. 28, 2011
Microsoft has opened a front in its ongoing battle against Internet scammers, using the power of a U.S. court to deal a knockout blow to an emerging botnet and taking offline a provider of free Internet domains.

Scammers had used a series of ingenious tricks to game Google's image search feature and spread the Mac Defender malware using bulk subdomains, said Sean Sullivan, a security adviser with F-Secure. Sullivan's company automatically blocks the ce.ms, cu.cc, cw.cm, cx.cc, rr.nu, vv.cc, and cz.cc domains with its security software, he added.

In June, Google blocked a number of bulk subdomain sites from its search index, saying that many of them had been used by criminals. "In some cases our malware scanners have found more than 50,000 malware domains from a single bulk provider," Google wrote in a blog post announcing the decision.

Reached Tuesday, Piatti was unable to comment for this story. " I would be glad to give you my side of the story, but I feel that I should hire a lawyer first," he said in an email.


 

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