Crack WPA/WPA2 Wi-Fi Routers with Aircrack-ng and Hashcat by Brannon Dorsey

January 11, 2019

This is a brief walk-through tutorial that illustrates how to crack Wi-Fi networks that are secured using weak passwords. It is not exhaustive, but it should be enough information for you to test your own network’s security or break into one nearby. The attack outlined below is entirely passive (listening only, nothing is broadcast from your computer) and it is impossible to detect provided that you don’t actually use the password that you crack. An optional active deauthentication attack can be used to speed up the reconnaissance process and is described at the end of this document.

If you are familiar with this process, you can skip the descriptions and jump to a list of the commands used at the bottom. This tutorial is also posted on GitHub. Read it there for the most up-t0-date version and BASH syntax highlighting.

DISCLAIMER: This software/tutorial is for educational purposes only. It should not be used for illegal activity. The author is not responsible for its use.  

Getting Started

This tutorial assumes that you:

  • Have a general comfortability using the command-line
  • Are running a debian-based linux distro (preferably....

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I have done all this process but still the handshake is not getting captured.

2 years ago

this is a great article. unfortunately it is outdated. especially the section about cracking the dumped .cap file doesnt work the way as described anymore. instead you can use hcxpcapngtool to convert the .cap file into format hashcat understands and then use mode 22000 instead as mode 2500 is deprecated. if you are following along with the online conversion tool then i think you should be fine. however i didnt want to put captured data from my home network online and so decided to crack it offline within my own kali vm. hope that helps others in case they encounter… Read more »

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4 years ago

Excuse me, but I wanna ask. Should we use tlwn722n only or should we buy another? Did you use another – that black one behind the laptop?

Marta Strzelec [STAFF]
Reply to  kurusheki

Hi – you need to have an adapter that is compatible with aircrack-ng. The wn722n is compatible only in VERSION 1 – there are also V2 and V3 models, which are not compatible, so if you are sure you’re buing V1, you’ll be ok, just make sure. Other alternatives are listed either on aircrack-ng project website (, or with a shorter list here: (an example, I just googled this). These are not the only options, here’s a guide on how to determine compatibility for any adapter:

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