![]() ![]() We can see that the mov instruction copies the value from the ecx register to the address we found. Let’s try the other address and “Find out what writes to this address”.Ī bit of assembly knowledge is useful. Green addresses are static and finding them so soon usually means that it is not the address we want. Start with 100, scan, take a bit of damage, scan again until we have few addresses. Afterwards connect to the server on File > Open Process > Network > Connect and select the game process. The first step is to start the cheat engine server using sudo and then the client. On Linux it uses a client-server architecture so we must download the Linux server and also the Windows client, which must be executed on Wine. As most games on PC are for Windows, that is the primary focus of the software. It is an open-source memory scanner and debugger. The most popular tool to hack games is Cheat Engine. However, there is always some static base address that points to the health address, we just have to follow the pointers using static offsets. This means that when the game is restarted, the memory address that keeps the health will change. Values such as health are often stored in dynamically allocated memory. Most common operating systems allow processes to read and write memory on other processes, which can be used to cheat in games. To completely understand how cheats are made, some knowledge about how programs and memory work is valuable. As an engineer I like to see how things work, so let’s reverse engineer an open-source game on Linux called Xonotic and create a small cheat to have infinite health and ammo. In the past most games had cheat codes, but nowadays it’s less common. ![]()
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