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ZackTiro
How do I cheat?
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Joined: 05 Mar 2012
Posts: 6
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 Posted: Tue Jul 29, 2014 12:49 am Post subject: Lua Script with opcode pointing to multiple addresses! |
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Well hello everyone, im kind of at a loss atm, and here's why:
Im trying to change an an opcode namely this one: | Code: | | mov byte ptr [esi+000002DC],01 |
ESI in this case is pointing to 6 different adresses all being a bolean, now i could change the ,01 to ,00 but in that case it would pass it to all of the 6 ESI addresses and this is not what i want, the code i want to change is a HUD of a game and in this game i want to hide the minimap because it is madening distracting, a pointer scan is nearly impossible in this game, cause the pointer is a level 5 pointer and even after 50 restarts of the game i still have over 35k pointers left, which change at will so there is no telling which one is the correct one.
I hope that somone can help me in this matter, how would a LUA script look like that only changes one of the ESI adresses from 1 to 0 and not all at once?
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atom0s
Moderator
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Joined: 25 Jan 2006
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Location: 127.0.0.1
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| Posted: Tue Jul 29, 2014 1:49 am Post subject: |
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You could use Cheat Engine to make a code-cave at the address and only set the single offset to 0 that you want, then jump back to the normal code etc.
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STN
I post too much
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Joined: 09 Nov 2005
Posts: 2676
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| Posted: Tue Jul 29, 2014 2:34 am Post subject: Re: Lua Script with opcode pointing to multiple addresses! |
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| ZackTiro wrote: | Well hello everyone, im kind of at a loss atm, and here's why:
Im trying to change an an opcode namely this one: | Code: | | mov byte ptr [esi+000002DC],01 |
ESI in this case is pointing to 6 different adresses all being a bolean, now i could change the ,01 to ,00 but in that case it would pass it to all of the 6 ESI addresses and this is not what i want, the code i want to change is a HUD of a game and in this game i want to hide the minimap because it is madening distracting, a pointer scan is nearly impossible in this game, cause the pointer is a level 5 pointer and even after 50 restarts of the game i still have over 35k pointers left, which change at will so there is no telling which one is the correct one.
I hope that somone can help me in this matter, how would a LUA script look like that only changes one of the ESI adresses from 1 to 0 and not all at once? |
Not the job of a lua script. You need to find out some sort of identifier or differentiator that you can use to tell if its accessing your desired value or other values.
If its HUD then you could look for any strings references accessed through the registers near your code location or in the stack or perhaps an identifier. Would need some debugging for sure.
Also if possible, try to use a different address that isn't accessed much but it may not be feasible option depending on game engine.
| atom0s wrote: | | You could use Cheat Engine to make a code-cave at the address and only set the single offset to 0 that you want, then jump back to the normal code etc. |
That is the least of his problems. He needs to find some way to differentiate between the 6 different values accessed. No point in posting without doing some reading of the OP (it pisses me off no matter who does it)
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