Friday, August 11, 2006

Covert Channel Tool Hides Data in IPv6

Robert Lemos writes on SecurityFocus:

An independent security researcher showed off an early version of a tool for creating covert channels that, he claims, can pass undetected through most firewalls and intrusion detection systems.

The tool, dubbed VoodooNet or v00d00n3t, uses the ability of most computers to encapsulate next-generation network traffic, known as Internet Protocol version 6 (IPv6), inside of today's network communications standard, or IPv4. Because most security hardware appliances and host-based intrusion detection programs have not been programmed to inspect IPv6 packets in depth, data can bypass most network security, said independent security researcher Robert Murphy, who presented the tool at the DEFCON hacking conference last weekend.

More here.

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