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A Bootkit is a Rootkit which is loaded into the system at boot time, even before the OS is loaded and thus has access to the entire system. Peter Kleissner has released the first open source Bootkit framework - Stoned Bootkit at Blackhat USA this year. The interesting thing is that you can hack the source and create utilities which take control at boot time. This is a really powerful functionality I am sure a lot of folks have been waiting for.

According to the their site - Stoned Bootkit is a new Windows bootkit which attacks all Windows versions from XP up to 7. It is loaded before Windows starts and is memory resident up to the Windows kernel. Thus Stoned gains access to the entire system. It has exciting features like integrated file system drivers, automatic Windows pwning, plugins, boot applications and much much more. The project is partly published as open source under the European Union Public License. Like in 1987, "Your PC is now Stoned! ..again".

In this video demo I show you how the Stoned Bootkit can be installed on a Windows XP box and takes control of the PC at boot time even before windows runs. Of course, I end the demo by disinfecting my box from Stoned :)

You can download Stoned from their website here. The Blackhat presentation slides are available here. This is one of those tools you really need to get your hands on and hack! Highly recommended! I know I am going to play with it this weekend :)