Riser posted this "In order to play on our servers again, you need to repurchase CS: S on a new account and post the steam id before joining the servers" it's been a few weeks i've posted my new steam id and i still have not get unbanned.
http://steamcommunity.com/profiles/76561198212646552/ My new steam id
http://steamcommunity.com/profiles/76561198212646552/ My new steam id