Yeah that one was me actually. I figured it was a pretty 1337 hack.
Anyhow. If they stole the private keys why would they make such a huge withdrawl? I would import those private keys into another bitcoind and make lots and lots of smaller withdrawls over the course of the next few months.
Sign a message with the private key of the address 114t2bCfrmw44qgZQijNzVU75YphuyZCGk and I'll believe it was you.