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Read Cheatengines Threadstack0 with c++

 
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scorni
How do I cheat?
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Joined: 18 Nov 2015
Posts: 4
PostPosted: Wed Nov 18, 2015 12:38 pm    Post subject: Read Cheatengines Threadstack0 with c++ Reply with quote
I want to get the address that you get if you add an manual address in cheatengine and type "Threadstack0" as the value. In this example i used the Tutorial-i386.exe wich returns for example 0x165FF8C as Threadstack0.

As first step i am opening the thread in c++ with

Code:
 OpenThread(THREAD_ALL_ACCESS, 0, thread_id );


and obtain thread thread context with

Code:
ctx.ContextFlags = CONTEXT_ALL;
SuspendThread(thandle);
GetThreadContext(thandle, &ctx);
ResumeThread(thandle);


The next step is to get the base address with virtualquery

Code:
_MEMORY_BASIC_INFORMATION buffer;
VirtualQueryEx(phandle, (void*)(ctx.Esp), &buffer, sizeof(buffer));


If i return the address

Code:
ShowMessage(IntToHex((int)buffer.BaseAddress ,8));


It is showing me an adress like 0x0165F000, but i want to get the address 0x165FF8C which is displayed by Cheatengine.

Someone any ideas?
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hollow87
Cheater
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Joined: 07 Feb 2015
Posts: 28
PostPosted: Wed Nov 18, 2015 4:08 pm    Post subject: Reply with quote
I found this post by Dark Byte on what ThreadStack0 is and how CheatEngine obtains it.

http://forum.cheatengine.org/viewtopic.php?p=5487976#5487976

Also the source code for cheat engine might help shed some light

https://github.com/cheat-engine/cheat-engine/blob/master/Cheat%20Engine/CEFuncProc.pas#L3080

Line 3080 (At time of writing) seems to be where that is obtained.
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