Using John The Ripper To Crack Password Hashes

When To Use John The Ripper

How to Download John The Ripper

locate john

Getting Started

./john passwordFile

John’s Cracking Modes

./john --wordlist=/usr/share/wordlists/rockyou.txt passwordFile
unshadow /etc/passwd /etc/shadow > passwordFile
./john --single passwordFile
[Incremental:Alpha]
File = $JOHN/alpha.chr
MinLen = 1
MaxLen = 13
CharCount = 52
./john --incremental=Digits passwordFile

Hash Formats

./john --format=Raw-MD5 passwordFile
./john --list=formats

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store