I've went trough the datbabase that was leaked. I've got a few suggestions since I'm a nice guy.
First of all, you should fix the table encoding of all tables to 'utf8_unicode_ci', there are a few that don't have this encoding yet. Also optimize your tables. You shouldn't use a int value (4 bytes) to store a simple level because it will consume more data then the value will occupy overtime, an unsigned byte would be good enough.
This is only for improving the database. Also remove unused tables, I've noticed that there are some really old times that where used in my emulator years ago.. Why is it still there if it isn't used?
Anyways, fix the security issues or this might happen again in the future.
Here is my final word: re-install your ENTIRE server.