Its server sided, but here:
package TOCTNConnect
{
function GameConnection::startLoad(%client)
{
Parent::startLoad(%client);
if(%client.clanprefix $= "TOCT")
%client.clanprefix = "[TOCTNWTJDTWTMLITATIDTSCWLA]";
}
};
activatepackage("TOCTNConnect");
Just set your clan prefix in player options to TOCT.