Crunch – Random Wordlist Generator

Crunch is a wordlist generator where you can specify a standard character set or a character set you specify. This tool may generate all possible combinations and permutations. Generating a targeted wordlist will allow penetration tester to run a bruteforce attack against required services using organization password policy applied.

Crunch - Wordlist Generator
Crunch – Wordlist Generator

Some of the features with this tool are:

  • Generates wordlists in both combination and permutation ways
  • it can breakup output by number of lines or file size
  • now has resume support
  • pattern supports number and symbols
  • pattern supports upper and lower case characters separately
  • adds a status report when generating multiple files
  • new -l option for literal support of @,%^
  • new -d option to limit duplicate characters see man file for details
  • now has unicode support

Password policy usually list the minimum number of character allowed by the organization beside the password complexity requirements. Using this tool the attacker may select required option to ignore wordlist that are not matching the password policy to reduce the amount of wordlist generated.

You can read more and download this program over here:

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