You're reading from Kali Linux Cookbook - Second Edition

Product typeBook

Published inSep 2017

Publisher

ISBN-139781784390303

Edition2nd Edition

Tools

Kali Linux

Concepts

Network Security

Authors (2):

Corey Schultz

Bob Perciaccante

View More author details

Brute force password hashes

In this recipe, we will crack hashes using John the Ripper in brute force mode. We will work with a local shadow file from a Linux machine and we will try to recover passwords by brute forcing them.

Getting ready

Let's ensure the following prerequisites:

Your Kali machine is powered up
You have some sample users and passwords setup on your Linux machine add some more and make a couple accounts with random 4 character passwords.
You copied the shadow file to your Kali root directory

How to do it...

We will use a brute force method of attack...

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Kali Linux Cookbook - Second Edition

Published in: Sep 2017Publisher: ISBN-13: 9781784390303

Authors (2)

Corey Schultz

Corey P. Schultz is a technologist focusing on security research, Internet of Things, and the impact of technology on education and learning. He has over 20 years of experience in the security industry doing security architecture, penetration testing, incident response, and forensic analysis. Corey is currently a technical solutions architect for Cisco Systems Global Security Sales Organization. He works on a daily basis with large environments on designing and architecting secure enterprise networks. You can also find Corey active on Twitter @cschultz0000, where you can also see his schedule of speaking engagements and appearances.
Read more about Corey Schultz

Bob Perciaccante

Bob Perciaccante is seasoned information security practitioner who has been in the security field for almost 20 years. Currently, he is a consulting systems engineer for Cisco Systems in Pennsylvania where he has worked for the last 10 years focusing on network and data security, network access control, and secure network architectures. His primary day-to-day responsibilities focus on designing secure network solutions for his customers and working to train customers and partners on security solution implementations and daily operations to get the most out of their infrastructure. When not involved in security activities, Bob enjoys eclectic hobbies such as working on cars, 3D printing, and camping. Collaborating with his Cisco peer, Corey P. Schultz, this book is his first security publication.
Read more about Bob Perciaccante

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