It’s called Noob Pro.
Features:
- Gives you every single weapon in the game.
- Gives you every single armour ability in the game and all those in previous Halo games.
- Lets you summon any vehicle at will.
- Gives you unlimited amount of all grenades.
- Lets you jump 500 feet in the air.
- Gives you messages on screen of how awesome you are and that how much you should be an MLG whenever you kill someone.
Drawbacks:
- If a player sees you, you automatically die.