Hi. I'm just an user, so my answer could not be correct. However... I'm afraid that if u've been banned, that's permanent.
When you're banned, game moderators itself put a restriction in server, so your account is denied access. As your account has an unique ID, there's nothing u can try, only removing such restriction could grant u access again, an only a game moderator could do that.
I've been banned using other mods several times (mainly my fault for not propperly hidding mod usage). This is my advice for you.
Ask yourself "why have I been discovered?". Whatever the reason is, try not to repeat your mistake.
And then... You've to start over from CAP. 1 year 1