KHOBE – 8.0 earthquake for Windows desktop security software

May 9, 2010 – 4:34 PM

In September 2007, we have published an article about a great disease that affected tens of Windows security products. The article called Plague in (security) software drivers revealed awful quality of kernel mode drivers installed by all the major desktop security products for Windows. The revealed problems could cause random system crashes, freezes and in some cases more severe security issues.

Today, we reveal even more serious problem of the Windows desktop security products that can be exploited to bypass a big portion of security features implemented by the affected products. The protection implemented by kernel mode drivers of today’s security products can be bypassed effectively by a code running on an unprivileged user account. If you ever heard of SSDT hooks or similar techniques to implement various security features such as products’ self-defense, we will show you how to bypass the protection easily.


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