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vegito616
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 Posted: Wed Dec 26, 2007 5:08 pm Post subject: {HELP}Simple ASM script in C++ |
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| I was wondering how you could, lets say change the address of godmode for maplestory from JNE to JE using C++ or C using an ASM script. I know you need a GGCRC, but I was just wondering how it worked in C++.
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dnsi0
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| Posted: Wed Dec 26, 2007 6:07 pm Post subject: |
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yea make a dll for injection and use:
__asm
Your asm here o.o
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vegito616
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| Posted: Wed Dec 26, 2007 6:46 pm Post subject: |
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| Do think you code post sample code? It would be awesome if you could. Any sample would do.
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sponge
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| Posted: Wed Dec 26, 2007 6:51 pm Post subject: |
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Short Jump
| Code: | | *(BYTE*)0xGODMODE = 0x74/0x75 |
Long Jump
| Code: | | *(BYTE*)0xGODMODE+1 = 0x84/0x85 |
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"A"
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| Posted: Wed Dec 26, 2007 7:11 pm Post subject: |
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| ye me to
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vegito616
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| Posted: Thu Dec 27, 2007 9:39 am Post subject: |
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How would you NOP and address and "un"NOP an address?
Last edited by vegito616 on Thu Dec 27, 2007 9:49 am; edited 1 time in total |
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Jani
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| Posted: Thu Dec 27, 2007 9:48 am Post subject: Re: {HELP}Simple ASM script in C++ |
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| vegito616 wrote: | | I was wondering how you could, lets say change the address of godmode for maplestory from JNE to JE using C++ or C using an ASM script. I know you need a GGCRC, but I was just wondering how it worked in C++. |
The simplest method (for godmode) is to use WriteProcessMemory, there's no doubt about it.
| vegito616 wrote: | | But how would you use an assembly script in C++? |
Note: assembly, not auto-assembly.
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samuri25404
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| Posted: Thu Dec 27, 2007 9:54 am Post subject: |
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| vegito616 wrote: | | How would you NOP and address and "un"NOP an address? |
You'd need to store the original opcode in a buffer, like this:
(c++ btw)
| Code: |
byte buffer[2];
byte bytes[2];
ReadProcessMemory(buffer, blah, blah blah); //read the bytes into buffer
bytes = { 0x90 0x90 }; //I forget how to init arrays in C++
WriteProcessMemory(bytes, blah, blah blah); //write in your nops
//........
//whenever you want to put it back:
WriteProcessMemory(buffer, blah, blah, blah);
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Also note, that blah blah blah won't work, I just didn't feel like looking up the parameters. 
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Symbol
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| Posted: Thu Dec 27, 2007 10:53 am Post subject: |
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| hProcess, Address, BytesToRead/Write, Buffer?
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samuri25404
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| Posted: Thu Dec 27, 2007 4:52 pm Post subject: |
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Why do you have those memorized?
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