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Kali Linux Wireless Penetration Testing Beginner???s Guide - Third Edition

You're reading from Kali Linux Wireless Penetration Testing Beginner???s Guide - Third Edition

Product type Book

Published in Dec 2017

Publisher

ISBN-13 9781788831925

Pages 210 pages

Edition 3rd Edition

Languages

Concepts

Penetration Testing

Authors (3):

Cameron Buchanan

Daniel W. Dieterle

Vivek Ramachandran

View More author details

Table of Contents (21) Chapters

Kali Linux Wireless Penetration Testing Beginner's Guide Third Edition

Credits

Disclaimer

About the Authors

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Wireless Lab Setup

2. WLAN and Its Inherent Insecurities

3. Bypassing WLAN Authentication

4. WLAN Encryption Flaws

5. Attacks on the WLAN Infrastructure

6. Attacking the Client

7. Advanced WLAN Attacks

8. KRACK Attacks

9. Attacking WPA-Enterprise and RADIUS

10. WLAN Penetration Testing Methodology

11. WPS and Probes

Pop Quiz Answers

Index

Time for action – speeding up the cracking process

We can proceed with the following steps:

We can pre-calculate the PMK for a given SSID and wordlist using the genpmk tool with the following command:
```
genpmk -f <chosen wordlist> -d PMK-Wireless-Lab -s "Wireless Lab"
```
This creates the PMK-Wireless-Lab file containing the pregenerated PMK:
We now create a WPA-PSK network with the passphrase abcdefgh (present in the dictionary we used) and capture a WPA-handshake for that network as we did with the previous exercise; alternatively, use the files we used previously. We now use Cowpatty to crack the WPA passphrase, as shown in the following screenshot:
It takes approximately 7.18 seconds for Cowpatty to crack the key, using the precalculated PMKs.
We now use aircrack-ng with the same dictionary file, and the cracking process takes over 22 minutes. This shows how much we are gaining because of the precalculation.

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Authors (3)

Cameron Buchanan

Cameron Buchanan is a penetration tester by trade and a writer in his spare time. He has performed penetration tests around the world for a variety of clients across many industries. Previously, Cameron was a member of the RAF. In his spare time, he enjoys doing stupid things, such as trying to make things fly, getting electrocuted, and dunking himself in freezing cold water. He is married and lives in London.

See other products by Cameron Buchanan

Daniel W. Dieterle

Daniel W. Dieterle, with over 20 years in IT, has evolved from a system and network support role to a dedicated Computer Security Researcher and Author. His expertise, honed in diverse environments like corporate data centers and Ivy League schools, is reflected in his Kali Linux-based books, widely used globally for security training in universities, government, and private sectors. He has contributed to numerous technical books, articles, and security training classes, and is passionate about mentoring newcomers in the field.

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Vivek Ramachandran

Vivek Ramachandran has been working on Wi-Fi security since 2003. He discovered the Caffe Latte attack and also broke WEP Cloaking, a WEP protection schema, publicly in 2007 at DEF CON. In 2011, he was the first to demonstrate how malware could use Wi-Fi to create backdoors, worms, and even botnets. Earlier, Vivek was one of the programmers of the 802.1x protocol and Port Security in Cisco's 6500 Catalyst series of switches, and he was also one of the winners of the Microsoft Security Shootout contest held in India among a reported 65,000 participants. He is best known in the hacker community as the founder of SecurityTube.net, where he routinely posts videos on Wi-Fi security, assembly language, exploitation techniques, and so on. SecurityTube.net receives over 100,000 unique visitors a month. Vivek's work on wireless security has been quoted in BBC Online, InfoWorld, MacWorld, The Register, IT World Canada, and so on. This year, he will speak or train at a number of security conferences, including Blackhat, DEF CON, Hacktivity, 44con, HITB-ML, BruCON Derbycon, Hashdays, SecurityZone, and SecurityByte.

See other products by Vivek Ramachandran

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