"Injection" hacks usually refers to DLL hacks, where the hack injects a dynamic link library (DLL) file into the game for tools such as aim-bot.
=== Internal Cheats ===
Internal cheats are cheats that are run within the game. You typically inject internal cheats, but there are other methods to make internal cheats without injecting a whole DLL (or any executable file).
== Different type of bans ==