in case you never read the eula
Cheating: Create, use, offer, promote, advertise, make available and/or distribute the following or assist therein:
- cheats; i.e. methods not expressly authorized by Blizzard (whether accomplished using hardware, software, a combination thereof, or otherwise), influencing and/or facilitating gameplay, including exploits of any in-game bugs, and thereby granting you and/or any other user an advantage over other players not using such methods;
it doesnt matter if it existed as part of the game as you say