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Code injection coding with c++

 
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arsalanawan
How do I cheat?
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Joined: 05 Aug 2010
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PostPosted: Thu Aug 05, 2010 2:19 am    Post subject: Code injection coding with c++ Reply with quote
I was wondering how can i code code injection with c++ like cheat engine does.

I can create jump and make the code from a memory. But the problem is when i want to jump back to the address which is actually dynamic and changes every time i restart the game.

so how can i code to jump back to the real memory that is dynamic memory.

Can u give an example.
Thanks
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justa_dude
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Joined: 29 Jun 2010
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PostPosted: Thu Aug 05, 2010 2:24 am    Post subject: Reply with quote
http://forum.cheatengine.org/viewtopic.php?t=436391&postdays=0&postorder=asc&start=0
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iPromise
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PostPosted: Wed Aug 25, 2010 2:20 am    Post subject: Reply with quote
Alloc new memory each time the game starts?
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Slugsnack
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PostPosted: Wed Aug 25, 2010 2:41 am    Post subject: Reply with quote
Code addresses are rarely dynamic, only data variables that were allocated on the fly. I suspect you are doing something wrong. If you really are wanting to jump back to a dynamic address though, simply store the pointer in a variable and then do jmp dword ptr ds:[LALA] or whatever.
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justa_dude
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PostPosted: Wed Aug 25, 2010 6:37 am    Post subject: Reply with quote
iPromise wrote:
Alloc new memory each time the game starts?


If you're injecting w/ a dll, the memory will be allocated each time the dll is injected. If you're using a code-cave w/ writeprocessmem, there's no need. If you're using virtualalloc or some such, then you will need to alloc each time the game starts.
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the_undead
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PostPosted: Mon Aug 30, 2010 1:23 pm    Post subject: Reply with quote
http://somebastardstolemyname.wordpress.com/2008/07/27/c-send-hook/
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