Message Cyrus(an admin) and send him/her proof that you're actually the owner of the account, by signing a message through the bitcoin wallet address registered on your stolen account.

For more details, follow the instructions in this post: https://bitcointalk.org/index.php?topic=497545.0

Also, you might need this: https://www.cryptocompare.com/wallets/guides/how-to-sign-a-message-with-electrum/