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Kali Linux - An Ethical Hacker's Cookbook

Kali Linux - An Ethical Hacker's Cookbook

By : Himanshu Sharma
3.8 (20)
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Kali Linux - An Ethical Hacker's Cookbook

Kali Linux - An Ethical Hacker's Cookbook

3.8 (20)
By: Himanshu Sharma

Overview of this book

With the current rate of hacking, it is very important to pentest your environment in order to ensure advanced-level security. This book is packed with practical recipes that will quickly get you started with Kali Linux (version 2016.2) according to your needs, and move on to core functionalities. This book will start with the installation and configuration of Kali Linux so that you can perform your tests. You will learn how to plan attack strategies and perform web application exploitation using tools such as Burp, and Jexboss. You will also learn how to perform network exploitation using Metasploit, Sparta, and Wireshark. Next, you will perform wireless and password attacks using tools such as Patator, John the Ripper, and airoscript-ng. Lastly, you will learn how to create an optimum quality pentest report! By the end of this book, you will know how to conduct advanced penetration testing thanks to the book’s crisp and task-oriented recipes.
Table of Contents (13 chapters)
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6
Wireless Attacks – Getting Past Aircrack-ng

Playing with John the ripper


Websites and online services may not be always available and it is also possible that those websites may not have the plaintext of the hash we have found. In such cases, we can use different offline tools that are available to crack the hashes.

Let's assume we now have the hash and we have identified what type it is. In this recipe, we will see how to crack hashes with John the ripper. John is fast and supports various cracking modes. It also has the ability to auto-detect the hash type.

How to do it...

to learn about John the ripper, follow the given steps:

  1. We can see the full features using the help (-h) command:
        john -h

The following screenshot shows the output of the preceding command:

  1. To crack the password, we use the following command:
        john --format=raw-md5
        --wordlist=/usr/share/wordlists/rockyou.txt /root/demo_hash.txt
  1. We will see that the password has been cracked successfully!

There's more...

For more information you can refer to the following...

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