Protip:

-launch "base64" in Terminal/Konsole
-let your cat walk on keyboard:  564174kl:mml;jbhçiyhvezf"dm;àiht-de"quté
-Ctrl+D to base64 this: NTY0MTc0a2w6bW1sO2piaMOnaXlodmV6ZiJkbTvDoGlodC1kZSJxdXTDqQo=
-pick a piece of the string: 6bW1sO2piaMOn
-add special chars, for fun: 6b!W1/sO+2piaM*%On
-> strong enough to Mt.Gox, proceed claim.

Also, do this when Mt.Gox successfully blocks incoming UDP (DDoS) and TCP (SYN flood).