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-   -   Run Ring0 code in Vista 64bits (https://forum.exetools.com/showthread.php?t=11186)

elephant 10-02-2007 08:03

Run Ring0 code in Vista 64bits
 
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Yes, it is possible. Ruben Santamarta from ReverseMode.com has released an exploit (in form of a kartoffel plugin) to run code through a vulnerable signed driver in Speedfan (www.almico.com/speedfan.php).

Spanish readers can check this funny blog entry for further information: http://blog.48bits.com/?p=169

Attached to this post is Kartoffel and the exploit.

Cheers.


Vulnerable code in speedfan.sys

Code:

Code (asm)
                cmp    dword ptr [rdx+8], 8 ; Ouputbuffer size
                jb      short loc_11171
                cmp    dword ptr [rdx+10h],0Ch ;InputBuffer size
                jb      short loc_11171
                mov    r8d, [rsi+4]    ; inputBuffer[1]
                mov    r9d, [rsi+8]    ; InputBuffer[2]
                mov    rax, r8
                shl    rax, 20h
                or      rax, r9
                mov    rdx, rax
                shr    rdx, 20h
                mov    ecx, [rsi]      ; inputBuffer[0]
                wrmsr                    ; Chungo



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