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Kali Linux Wireless Penetration Testing Beginner???s Guide

You're reading from Kali Linux Wireless Penetration Testing Beginner???s Guide Master wireless testing techniques to survey and attack wireless networks with Kali Linux, including the KRACK attack

Product type Paperback

Published in Dec 2017

Publisher

ISBN-13 9781788831925

Length 210 pages

Edition 3rd Edition

Tools

Kali Linux

Concepts

Penetration Testing

Authors (3):

Vivek Ramachandran

Cameron Buchanan

Daniel W. Dieterle

View More author details

Table of Contents (14) Chapters

Preface

1. Wireless Lab Setup FREE CHAPTER

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

A. Pop Quiz Answers

Index

Speeding up WPA/WPA2 PSK cracking

As we have already seen in the previous section, if we have the correct passphrase in our dictionary, cracking WPA-Personal will work every time like a charm. So, why don't we just create a large elaborate dictionary of millions of common passwords and phrases people use? This would help us a lot and most of the time, we would end up cracking the passphrase. It all sounds great but we are missing one key component here—the time taken. One of the more CPU and time-consuming calculations is that of the PSK using the PSK passphrase and the SSID through the PBKDF2. This function hashes the combination of both over 4,096 times before outputting the 256-bit PSK. The next step in cracking involves using this key along with parameters in the four-way handshake and verifying against the MIC in the handshake. This step is computationally inexpensive. Also, the parameters will vary in the handshake every time and hence, this step cannot be precomputed. Thus, to speed...

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Authors (3)

Vivek Ramachandran

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

Dieterle

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.

See other products by Dieterle

Cameron Buchanan

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

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