Just wanna let you know that it has been done.

EDIT:
This Program can change IP and patch Encryption of the new UO:Stygian Abyss Client.

All this work was based on : UO:KR Loader
http://scriptsharing.dv-team.de/dle/com ... p?dlid=861
Download:
http://www.kingdomreborn.it/files/UoSALoader.zip
Notice: this program has been made for personal use, i'm not responsable for anything you'll do with it.