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  1. #1
    enteleky's Avatar Member
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    Patching an App

    I am on a mac so I am sure this is going to be different, but I found an ASM line that I want to patch always to return 0. The line is below.

    Code:
    movzx   eax, byte ptr [eax+0C0h]
    I was wondering if I could just do this...

    Code:
    movzx   eax, 0
    And if that is how I would do it how can I permanently patch this?

    Patching an App
  2. #2
    hypnodok's Avatar Member
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    On windows you would use Ollydbg.
    You could always write an application that writes the opcodes for movz eax,0 to a memory location I guess.

  3. #3
    enteleky's Avatar Member
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    I could use IDA right?

  4. #4
    hypnodok's Avatar Member
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    IDA cant patch applications afaik.

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