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Create wordlist with crunch in Kali Linux – Video


min character
max character
characters to use abcde123456789
-o = output file

Open password lists with Leafpad


To generate a password list of between 8 and 13 for aircrack

crunch 8 13 abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 | aircrack-ng –bssid aa:aa:aa:aa:aa:aa -w- handshakefile.cap


WPA has to be at least 8 characters.


Crunch uses CPU so is slow – use Hashcat for GPU hacking.

GPU hacking is much faster.


Found this password research on the Kali forum:

Do not waste time with lengths over 10 so just do 8-10.
Over half were less then 11
Very few were greater then 10 in length
Over half of the numeric were phone numbers
Only 5% were greater then 10 in length.

The best way to brute force a key is to try and determine the length and key types used. You can then focus your brute force in that area.

You could guess or:

If you find the key longer then 11 and using one computer do not bother. You might get lucky with a dictionary.

Crunch is great to learn how to generate a wordlist.. but use the Kali dictionaries.


The best advice for password security is to to use a longer password. It is feasible to crack an 8 character password, but not an 18 character password.


BRUTE FORCE HACKING – Brute force Calculator – A Visual Guide

  1. Cyber_storm permalink

    How do you speed this up cause iv been running it for 30 minutes and its still on 0%


    • Hi Cyber,
      My best advice would be to use a dictionary or HashCat which is GPU based. GPU cracking is many times faster than CPU cracking.
      Kali has lots of good dictionaries. Have fun.


  2. sohail permalink

    it shows not file or directory found


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