Discuss Anti Attach

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AxDSan

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May 24, 2012
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Ok, I've been trying to analyze a game, however... Yeah yeah, the good ol' problem comes up, when I try to attach the debugger.. bam, it closes/crashes leaving me with no freaking single idea of what just happened, I was trying to come up with the also good ol' idea of back-tracing from where the crash occurred but hey guess what! the process completely closes, and I don't even know where to BP, now... I've been reading around on the following articles:

Debuggers Anti-Attaching Techniques - Part 1
Debuggers Anti-Attaching Techniques - Part 2
Debuggers Anti-Attaching Techniques - Part 3
Debuggers Anti-Attaching Techniques - Part 4
Debuggers Anti-Attaching Techniques - Part 5

However all of those techniques described there tackles the anti-attachment measurement directly, but... if a debugger, crashes/closes/exits unexpectedly.. wouldn't it call any API sort of like ExitProcess or TerminateProcess? or any other if so what sorcery is this!!!?

*Edit*

Now let me mention, I have my version of X64DBG Fully packed with Anti-Anti's but none of them if helping me in the battle:
 
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mambda

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Might be easier if you say what game if its not 1337topsekret, otherwise there could be hooks on various debugging api that could jump them to exitprocess/terminate process/exit thread/so many exit functions why microsoft
 

AxDSan

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May 24, 2012
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Might be easier if you say what game if its not 1337topsekret, otherwise there could be hooks on various debugging api that could jump them to exitprocess/terminate process/exit thread/so many exit functions why microsoft
It is WF xD
 

AxDSan

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May 24, 2012
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Hey Don't mind me, Just updating my progress with this.. :D

Ok so now I can attach but can't set BPs, WF crashes with a Breakpoint Exception (0x80000003)
 
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