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find what access a function with argument?

 
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z13swee
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Joined: 12 Mar 2017
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PostPosted: Wed Oct 25, 2017 1:51 pm    Post subject: find what access a function with argument? Reply with quote

I have found this function that removes health from player. But how can i found what code that access this function with argument?

I have tried adding the address for the first instruction ( push ecx ), and doing pointer search and "what access this address", but nothing comes up Confused



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Zanzer
I post too much
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Joined: 09 Jun 2013
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PostPosted: Wed Oct 25, 2017 5:32 pm    Post subject: Reply with quote

Right-click and break and trace.
You can see where the function returns.
Scroll up one and there's the call.
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OldCheatEngineUser
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PostPosted: Wed Oct 25, 2017 6:23 pm    Post subject: Re: find what access a function with argument? Reply with quote

z13swee wrote:
I have found this function that removes health from player. But how can i found what code that access this function with argument?

I have tried adding the address for the first instruction ( push ecx ), and doing pointer search and "what access this address", but nothing comes up Confused


- you won't find many instructions accessing other instructions so much, its not something commonly happen.
- usually games that have anti cheats have this type of accessing (instruction accessing instruction)
- of course you will find nothing on push ecx, assuming xmm0 is writing to your address esp+08 then you want to see what's accessing this instruction.
- just take the address and go to hex dump, from there select the bytes then right-click and choose what you want.

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