https://www.kali.org/ h t t p s ://w w w . m e t a s p l o i t . c o m / h t t p s ://g i t h u b . c o m /b y t 3b l 33d 3r /p t h - t o o l k i t h t t p ://p r o j e c t - r a i n b o w c r a c k . c o m / http://www.openwall.com/john/