Inserting values into a process's memory

Hi,

Does anyone of any info or links on how to insert values into another process's memory?
Like what a trainer for a game does, giving you 99 lives etc.

Ive already trained the game, so i know where to insert the values, i just don't know how!

Im not asking someone to tell me how to do it, just if they have any info/links on how its done as i'd like to learn.

I've tried searching arround but i don't even know what the correct name for doing so is called!

Cheers
Marc

You use WriteProcessMemory to write data into the memory of another process.

You will need a process handle, typically obtained from CreateProcess or OpenProcess, and the memory address which you say you have.

Search: WriteProcessMemory game cheat

Google cache of broken page - Will soon cease to exist

>>Ive already trained the game, so i know where to insert the values, i just don't know how!<<

Out of interest, how does one do this?

Thanks for the reply.
I managed to make myself a trainer for HALO!

Quote:

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Originally posted by anonytmouse
Out of interest, how does one do this?

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I just used a program that can scan through the memory of an open process for a value that you enter.
You would then loose a life or fire a bullet and search for the new value and it is eventually narrowed down to the correct memory address.
Keep poking the value into the memory location and you have infinite of whatever you searched for.