were i can make an ticket? account stolen

were can i make an ticket ?
my account got stolen yesterday , he hacked my email too to confirm the email change.
yesterday i saw him online , he wanted 50k zp for that account or i wont get it back.

after that i have searched on crossfire site but couldnt find somewere were i can make an ticket.
can someone help me ? i have payed 80 euro 3 days ago so please help me ...