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09 March 2012

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John the Ripper- Intro and How to Use?

Download John the RipperIn my previous post on Top Hacker Tools 2011 I just highlighted what is John the Ripper but today we are going deep and learn how to use it after downloading. So lets start with its definition first. John the Ripper is a free password cracking software tool, Initially developed for the UNIX operating system, but it currently runs on fifteen different platforms (eleven architecture-specific flavors of Unix, DOS, Win32, BeOS, and OpenVMS). It is one of the most popular password testing and breaking programs as it combines a number of password crackers into one package, auto detects password hash types, and includes a customizable cracker. It can be run against various encrypted password formats including several crypt password hash types most commonly found on various Unix flavors (based on DES, MD5, or Blowfish), Kerberos AFS, and Windows NT/2000/XP/2003 LM hash.

Types of Attacks-

John the Ripper can perform mainly 2 types of attacks mentioned below-

1. Dictionary attacks
2. Brute Force mode


Now its available for Windows, Linux, Mac OS X types of operating system. To download it, please refer to its official website at here.

That’s it! All the best…

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  1. After downloading, I execute but can't find it.... dummy

  2. @karan is that the way to give the title as How to use JTR...ur just providing downloading links and not anything extra


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