October 2018
Intermediate to advanced
528 pages
12h 33m
English
book
Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
by Shiva V. N. Parasram, Alex Samm, Damian Boodoo, Gerard Johansen, Lee Allen, Tedi Heriyanto, Shakeel Ali
Content preview from Kali Linux 2018: Assuring Security by Penetration Testing - Fourth Edition
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John the Ripper
John the Ripper (http://www.openwall.com/john/) is a tool that can be used to crack the password hash. Currently, it can crack more than 40 password hash types, such as DES, MD5, LM, NT, crypt, NETLM, and NETNTLM. One of the reasons to use John instead of the other password-cracking tools described in this chapter is that John is able to work with the DES and crypt encryption algorithms.
To start the John tool, use the console to execute the following command:
# john
This will display the John usage instructions on your screen.
John supports the following four password-cracking modes:
- Wordlist mode: In this mode, you only need to supply the wordlist file and the password file to be cracked. A wordlist file is a text file ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.