Instructions:
Download the File don't run it yet,
Rename the File to anything it doesn't care as long its different from the name it currenly is. BattleEye has a detection for this.
Run Arma 2 OA, dont join a server yet
Start the hack,
Now you can join a server.
When you are ingame press insert for the script list to see.
Still Undetected as of February 2013
Il keep it updated and remove the dl link if its detected!