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How exactly handle is obtained

 
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Hoodles
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PostPosted: Thu Jan 26, 2006 10:56 am    Post subject: How exactly handle is obtained Reply with quote

Lately I've been trying to write a program/trainer that can modify a game with a process that is hidden by GameGuard functions (maplestory obviously). And since I do not know Delphi I cannot simply copy the code thats in the open source. I can write my proggie in VB, C++, or C#...So an explanation using any of these languages will suffice.

The problem is that the open source you provide does not have many comments and there are a vast amount of code and a large variety of functions and modules used to make up CE. It is hard to sift through. I just need to know the process of getting the handle on a process that is visible to begin with, then disappears (in a sense). I was able to create a loop that gets the PID and handle on said process, but once GG and the client loads...it like dies. And I cannot use it anymore.

If possible I would like to the exact way that CE is able to obtain a handle and keep it so you can modify the memory with kernel-mode functions defined in the DBK.

A general explanation or one in a language will do. Thanks =]
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Mooblar
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PostPosted: Thu Jan 26, 2006 11:08 am    Post subject: Re: How exactly handle is obtained Reply with quote

Hoodles wrote:
Lately I've been trying to write a program/trainer that can modify a game with a process that is hidden by GameGuard functions (maplestory obviously). And since I do not know Delphi I cannot simply copy the code thats in the open source. I can write my proggie in VB, C++, or C#...So an explanation using any of these languages will suffice.

The problem is that the open source you provide does not have many comments and there are a vast amount of code and a large variety of functions and modules used to make up CE. It is hard to sift through. I just need to know the process of getting the handle on a process that is visible to begin with, then disappears (in a sense). I was able to create a loop that gets the PID and handle on said process, but once GG and the client loads...it like dies. And I cannot use it anymore.

If possible I would like to the exact way that CE is able to obtain a handle and keep it so you can modify the memory with kernel-mode functions defined in the DBK.

A general explanation or one in a language will do. Thanks =]


Why don't you just get the C++ source code?
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Dark Byte
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PostPosted: Thu Jan 26, 2006 12:39 pm    Post subject: Reply with quote

The c++ code is a joke.

and regarding opening the process:
There are 3 methods:
1: enumerate all windows and get the processid from the window and call openprocess
2: try to open all processes from 0 to 7fff and check if the first module of each process that could be opened in the process you wanted.
3: write a processwatcher, I believe windows recently released a sdk with those functions in it, but I wrote a kernelmode routine that watches process creation and tells ce about it. Then open those processes.

and a different method in it's entirely is write your own kernelmode openprocess and read/write process memory api's

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