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Decompilation of encrypted VFP EXE
Message
From
07/12/2001 15:32:51
Hilmar Zonneveld
Independent Consultant
Cochabamba, Bolivia
 
General information
Forum:
Visual FoxPro
Category:
Project manager
Miscellaneous
Thread ID:
00589707
Message ID:
00591430
Views:
38
>That is what ReFox would like you to belive, but it is simply NOT TRUE. I found a way to decompile a ReFox protected app ("branded with a password" as they call it) with a hex editor. Took me a while to figure out how to do it but repeating the process takes about 2 mintues! I've told them how it is done (because I want my money back)...no response.
>
>
>
>>Hi you can use ReFox to disable your exe from being decompile.
>>
>>>one of my software dealer showed me a software which can decompile EXE file compiled by VFP6 project manager (offcourse Encryption was on & Two other boxed were uncheked as per MSDN documentation)
>>>In front of me he used software name ReFox & gave me all my VCX,VCT,PRg,and all source file after decompiling my EXE
>>>
>>>IS THERE ANY TOOL WHICH CAN ASSURE ME THAT MY SOFTWARE & SOURCE CODE CAN NOT DECOMPILE IN THIS WAY ????

So, one more reason not to trust people who sell protection.

What I believe that happens here is the following: they simply "brand" (that's the word they use) your source code with a special mark, which their own de-compiler recognizes and respects. Your source code, or compiled code, isn't really encrypted or something, when you brand it.

Hilmar.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)
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