Cheat Engine

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

Hi everyone, I'm a mechatronic engineering student and I am trying to write a simple program to find datas inside file such as "fscanf()" function in C to reach datas from a .txt file just because I am curious about how this system works. I tried to use this function on Cheat Engine's Tutorial .exe file, but as expected It didn't work not like it works on .txt files. Can you help me how can I reach datas, like I want to reach 100 value in Cheat Engine Tutorial and change it by myself. My regards...

Just want to know how do I reach an .exe via C.

atom0s · Posted: Fri Feb 03, 2012 6:15 pm Post subject:

Try opening the file as binary.

Assuming that you are using fopen since you are using fscanf, open the file with:

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

That didnt work. Here is my code

atom0s · Posted: Fri Feb 03, 2012 8:57 pm Post subject:

Can I ask what you are trying to accomplish with this? You aren't in the right direction at all with this:

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

I just wanted to be sure that the code can read .exe file. Now I got this my false, thought it is something like "scanf". Using

atom0s · Posted: Sat Feb 04, 2012 1:06 am Post subject:

fscanf isn't going to scan the full file, it looks at the current buff position and attempts to read the given type into the variable. For example, you could read the first two bytes of a file header (MZ) using:

Dark Byte · Posted: Sat Feb 04, 2012 1:12 am Post subject:

Also, just to be clear: Do you want to search data inside a file or inside a process ?
Those are two different things (unless you're on linux)

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

Wiccaan, so I must create an array, dynamically or normally, to read all values and search between these variables? As you said that program displays same value when I make a for loop 10 times while I expected it to give me different values everytime.

Dark Byte, I guess I meant here process, not data, which I meant to change variables at a program while it is running. I prefer to use linux but Wine runs slowly than windows, so I am using windows right now.

atom0s · Posted: Sat Feb 04, 2012 2:46 pm Post subject:

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

How can I do this? I thought by this way I could reach memory addresses than could change variables.

atom0s · Posted: Sat Feb 04, 2012 3:02 pm Post subject:

You need to use API like:
- OpenProcess
- ReadProcessMemory
- WriteProcessMemory
- VirtualQueryEx

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

So I need C# for this process(or maybe other Interface programs)? I thought I could change code manually, it shouldn't be that hard right? If you know links that shows an example of these functions or codes please?

atom0s · Posted: Sat Feb 04, 2012 4:51 pm Post subject:

cemow · Newbie cheater Reputation: 0 Joined: 22 Jan 2012 Posts: 10

Thanks a lot Wiccaan, you really helped me Smile

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