Wednesday, May 14, 2008

Hacker Writes Rootkit for Cisco Routers

Robert McMillan writes on InfoWorld:

A security researcher has developed malicious rootkit software for Cisco Systems' routers, a development that has placed increasing scrutiny on the routers that carry the majority of the Internet's traffic.

Sebastian Muniz, a researcher with Core Security Technologies, developed the software, which he will unveil on May 22 at the EuSecWest conference in London.

A Cisco rootkit is particularly worrisome because, like Microsoft's Windows, Cisco's routers are very widely used. Cisco owned nearly two-thirds of the router market in the fourth quarter of 2007, according to research firm IDC.

In the past, researchers have built malicious software, known as "IOS patching shellcode," that could compromise a Cisco router, but those programs are custom-written to work with one specific version of IOS.

Muniz's rootkit will be different. "It could work on several different versions of IOS," he said.

More here.

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