x64 and anti-debugging

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x64 and anti-debugging

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11-15-2011, 05:24

qkumba

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The FPU bug causes OllyDbg to crash when disassembling that part of the code.
It's caused by using the wrong mask, so the exception is not hidden.
Most of the patches don't fix the problem (just needs to change the mask) - they change the instruction or do other silly things.

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