What are External Hacks?

What is the Ufo Cheat?
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What are External Hacks?

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What are External Hacks
External hacks are ones that don’t reside in the virtual address space of the target process.

Because of this, they need to take advantage of the Windows API (or Windows Drivers) for instance, with WriteProcessMemory, in order to access the game’s memory.

They can also not access the game’s memory, think, for example, a packet-based hack that proxies/does man-in-the-middle between the game client and server.

Oh, and as a result of using the Windows API, external hacks have the user-mode to kernel-mode switch overhead, meaning that external hacks will always be slower than internal ones.