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how to convert dot EXE to source code

Posted on 2002-04-04
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how to convert dot EXE to source code
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Question by:sdhanvijay
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TimCottee earned 400 total points
ID: 6917947
Not possible unless you are using VB3 or lower. There were some decompilers available for early versions of VB. For later version, certainly 5 and 6 there are no decompilers available. If you don't have the source code for the application you will not get it back out!
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by:Racim BOUDJAKDJI
ID: 6918206
sdhanvijay,

Probably difficult but possible get ready to do some hex dump sniffing!!!

Racimo
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by:rspahitz
ID: 6918927
Simple...get yourself an Intel chipset decoder, and convert each byte and its corresponding value bytes into their related VB commands.

What you'll end up with is something that will require a 500GHz processor to run.

--
Basically, if you want the original source code, you can't get it because compilers CONVERT source code into system-optimized code.  This is a one-way conversion.  To convert back, you would have to "de-optimize" which would produce a multitue of choices for any given command, meaning that the reverse compiler would probably have hundreds of trillions of possible variations for even small programs.

--
Your best bet is either to find a backup of the source code or to take the original specs and recreate the source from the specs...which will probably be more efficient that the original anyway.
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by:ameba
ID: 6919136
>dot EXE

If you mean .NET exe, there is a decompiler...
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by:AzraSound
ID: 6919145
>>If you mean .NET exe, there is a decompiler...

True, though you dont get the original source, you get the intermediary source (MSIL) code, which is readable enough in itself (with some work).  MS was debating whether a decompiler should still be available...if I ever do any programming for desktop programs to release to the public under .NET, I would hope they removed that "feature".
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by:ameba
ID: 6919156
There is some obfuscator, but it's not from MS and I didn't hear any feedback.

LSW IL-Obfuscator mangles class-names, field-names, method-names,
properties, namespaces and events of an MSIL Program, making it more
difficult to reverse engineer IL-Code.

LSW IL-Obfuscator 1.1 can be downloaded from
ftp.lesser-software.com/Downloads

Maybe in next version MS will make code more secure.
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by:rspahitz
ID: 6919222
So the .NET "compiler" works just like Java compilers, right?  You get in-between code which can then use a JIT compiler to operate on the local machine?

>if I ever do any programming for desktop programs to release to the public under .NET, I would hope they removed that "feature".

and

>Maybe in next version MS will make code more secure.

I agree.  The idea of open source is great for public projects, but is terrible for rewarding hard-working individuals.  And this concept is borderline open-source!

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by:mlmcc
ID: 6919856
listening
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ID: 7012454
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