How to protect your process from injection?

Question

Game development

Good day! I am writing a "small" protection for the game. Bad programs will try to "infiltrate" the performance of the game and give an advantage in it.
My program catches dishonest players. Is it possible to protect my own program from being injected into it (injection into my program -> disabling its protection -> starting the game -> protection does not work)
How can I avoid this?
Thanks in advance!

Answer 1

The simplest thing you can do, The game process should periodically:
- List all threads,
- List all loaded Dlls
And be able to identify your own ..
A more difficult task is to determine the presence of hooks on important winapi.