I have an executable file named fg3.exe. I have to debug it to get the details of how it works. Can somebody help me with this ???

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I have an unmanaged executable file named fg3.exe. It is not included in solution of any project in VC++. I have to debug it to get the details of how it works. It converts a 2d image to 3d. So i need to see how it converts that 2d image to 3d. And also in what format does it store that image to get 3d output. And one more thing all this i need to do in Visual Studio 2005.
thanks for helping.

Posted 9-Jul-10 0:19am

harshadparchand

Updated 9-Jul-10 1:31am

v4

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4 solutions

Solution 2

It's clear you have no idea what you're doing, or what the tools are that you're working with.

Posted 9-Jul-10 0:54am

Christian Graus

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harshadparchand 14-Jul-10 6:28am

if u dont know then there is no need to reply to my question

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SenAPI · Accepted Answer · 2010-07-09T01:10:00

Solution 3

check fg3.exe is develoed on .Net framework , if then you cam use the reverse engineering tool Reflector.

you can use ildasm.exe( a .Net tool ) to determine is it a managed / Unmanaged exe.

if it is an unmanaged exe it is very hard to debug.
if you are well in Assembly language programmin you can use Debug.exe
tool ( tool from windows)

Posted 9-Jul-10 1:10am

SenAPI

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harshadparchand 9-Jul-10 7:49am

thanks

#realJSOP · Accepted Answer · 2010-07-09T00:27:00

Solution 1

You can't debug an unmanaged EXE unless you have the debug output. Your best bet is to find a reverse-engineering tool.

Google is your friend.

Posted 9-Jul-10 0:27am

#realJSOP

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harshadparchand 9-Jul-10 7:01am

I have been googling it from last 2 days i cant find anything which can help me :'(

harshadparchand 14-Jul-10 9:15am

i have the output file.Can you suggest me some reverse engineering tool.

Aescleal · Accepted Answer · 2010-07-09T01:34:00

If you just have the EXE you could be in for a long slog - the higher the level the language and the more optimised the code is the harder it's going to be.

If you can find a copy have a glance at the sections on reverse engineering in Matt Pietrik's book "Undocumented Windows." It's for 16 bit code but he shows how you can decompile code fairly easily (if long windedly) manually. While the details are different you should be able to use the same techniques to decompile the code you're using, although probably getting C out of the far end is as good as you're going to get.

Cheers,

Ash