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How to find pointer to structure

 
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kot1990
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PostPosted: Fri Jan 29, 2010 4:01 pm    Post subject: How to find pointer to structure Reply with quote

I have found some address that keeps a value, but everytime I run the program, the value is not at the same addresse as before. I have searched for the address value in memory, but it shows nothing. It seems something like a pointer to a structure where my value is not the first element of that structure,, something like address + 20 bytes...My problem is that I don't know the size or the starting location of that structure.
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fotzis
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PostPosted: Fri Jan 29, 2010 4:23 pm    Post subject: Reply with quote

well you can NOP with (what writes this value) found code and then edit it (tho some games crashes on saving if NOP is still on)
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kot1990
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PostPosted: Fri Jan 29, 2010 4:24 pm    Post subject: Reply with quote

it has some kind of protection. It won't let me turn the debugger on, it crashes. I am trying another way now, I am searching for address range at the area of my value to find any pointers, then close the game and see if the offsets match.

Edit: Solved.. found it. What made it hard was, that I was looking for addresses below from what I was searching, but then I tried to search above that address and found it. It is going backwards xD.. the starting point of the structure was on 0x150DD800 and my value -0xD0 on 150DD730. This contains HP/MP max HP/MP for lineage II gracia part 3. If anyone wants the offset it is 0x101ECD78 in my occassion but executables may vary... but I think the method is the same,, you just add +0xD0 and search what contains that address. 0xD0 is for current HP, if you go -0x08 you will find MaxHP .. you can use this address as a reference and just +/-
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fotzis
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PostPosted: Sat Jan 30, 2010 2:05 pm    Post subject: Reply with quote

well if you was searching values in your hosted server, then i don't get why since you can just enable GM mode, and if it was another server no offense, but you just changed HP/MP (or whatever) in your client, tho there is some tricks which you can do with CE anyway Razz
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