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Debugging Steam Games

 
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ProfChA0s
How do I cheat?
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Joined: 21 Jun 2009
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PostPosted: Sun Sep 16, 2012 9:33 am    Post subject: Debugging Steam Games Reply with quote

Is there no way to debug steam games with out them crashing when you try to find what writes to an address? I have tried every combination of settings in the cheat engine debugger with no luck. I am running win 7 x64 and have tried win, veh and kernel mode all with similar results. Is there anything else I can try?
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Dark Byte
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PostPosted: Sun Sep 16, 2012 9:51 am    Post subject: Reply with quote

it depends on the game. I used the veh debugger without issue on the recent transformers game on steam.
Try running in windowed mode if possible

And go to debug settings and disable the option to override existing breakpoints if it crashes.

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ProfChA0s
How do I cheat?
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Joined: 21 Jun 2009
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PostPosted: Sun Sep 16, 2012 7:12 pm    Post subject: Reply with quote

Hmm, I'm trying to hack dark souls its currently in window mode but using veh with override disabled it crashes within seconds, however when I use kernal with override disabled i get about 30 sec before a crash. Not quite enough time to find any pointers. I'm running it in offline mode any chance GFWL is interfering? Would switching to x86 windows help? Should i just use pointer scanner?

EDIT: Looks like it might be GWFL in the case of dark souls.
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terminalhit
How do I cheat?
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Joined: 24 Sep 2012
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PostPosted: Mon Sep 24, 2012 11:52 pm    Post subject: Reply with quote

I came across this too while using olly debug.

The game crashes because it doesn't know how to handle the breakpoint (neither does the debugger). Seems there is a hidden thread or something set when launched from steam.

All this information I learned from a site. [I can't post URL's Sad ] but you can get it from googling "AntiAntiDebug Steam" and there is a DLL injector library that will turn it off to allow breakpoints

You have to DLL inject steam so that it's child process can't set that ThreadHideFromDebugger setting, then you will be ok.
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