CIS 406/606 Password Cracking Exercise

John the Ripper is a fast password cracker, currently available for many flavors of Unix (11 are officially supported, not counting different architectures), DOS, Win32, BeOS, and OpenVMS. Its primary purpose is to detect weak Unix passwords. Both password files were created using Linux.

1. Download the appropriate version clicking on the link at http://www.openwall.com/john/
2. Extract the files to a temporary directory.
3. Download the encrypted password file.
4. Open up a command prompt window (Start->Run->cmd), and navigate to the temporary directory.
5. Navigate to the John the Ripper directory - > run directory. ... john-17w/john-17/run
6. Type john-386 [file path/name].. john-386 c:\sampass.txt.
7. Did you crack all five passwords? How long did it take? Try this with an alternate password file.