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  • Kali Linux: Wireless Penetration Testing Beginner's Guide, Second Edition
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Kali Linux: Wireless Penetration Testing Beginner's Guide, Second Edition

Kali Linux: Wireless Penetration Testing Beginner's Guide, Second Edition

By : Cameron Buchanan, Vivek Ramachandran
4.5 (44)
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Kali Linux: Wireless Penetration Testing Beginner's Guide, Second Edition

Kali Linux: Wireless Penetration Testing Beginner's Guide, Second Edition

4.5 (44)
By: Cameron Buchanan, Vivek Ramachandran

Overview of this book

If you are a security professional, pentester, or anyone interested in getting to grips with wireless penetration testing, this is the book for you. Some familiarity with Kali Linux and wireless concepts is beneficial.
Table of Contents (13 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Wireless Lab Setup
1. Wireless Lab Setup
Hardware requirements
Software requirements
Installing Kali
Time for action – installing Kali
Setting up the access point
Time for action – configuring the access point
Setting up the wireless card
Time for action – configuring your wireless card
Connecting to the access point
Time for action – configuring your wireless card
Summary
2
2. WLAN and its Inherent Insecurities
2. WLAN and its Inherent Insecurities
Revisiting WLAN frames
Time for action – creating a monitor mode interface
Time for action – sniffing wireless packets
Time for action – viewing management, control, and data frames
Time for action – sniffing data packets for our network
Time for action – packet injection
Important note on WLAN sniffing and injection
Time for action – experimenting with your adapter
The role of regulatory domains in wireless
Time for action – experimenting with your adapter
Summary
3
3. Bypassing WLAN Authentication
3. Bypassing WLAN Authentication
Hidden SSIDs
Time for action – uncovering hidden SSIDs
MAC filters
Time for action – beating MAC filters
Open Authentication
Time for action – bypassing Open Authentication
Shared Key Authentication
Time for action – bypassing Shared Authentication
Summary
4
4. WLAN Encryption Flaws
4. WLAN Encryption Flaws
WLAN encryption
WEP encryption
Time for action – cracking WEP
WPA/WPA2
Time for action – cracking WPA-PSK weak passphrases
Speeding up WPA/WPA2 PSK cracking
Time for action – speeding up the cracking process
Decrypting WEP and WPA packets
Time for action – decrypting WEP and WPA packets
Connecting to WEP and WPA networks
Time for action – connecting to a WEP network
Time for action – connecting to a WPA network
Summary
5
5. Attacks on the WLAN Infrastructure
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5. Attacks on the WLAN Infrastructure
Default accounts and credentials on the access point
Time for action – cracking default accounts on the access points
Denial of service attacks
Time for action – deauthentication DoS attacks
Evil twin and access point MAC spoofing
Time for action – evil twins and MAC spoofing
A rogue access point
Time for action – cracking WEP
Summary
6
6. Attacking the Client
6. Attacking the Client
Honeypot and Mis-Association attacks
Time for action – orchestrating a Mis-Association attack
The Caffe Latte attack
Time for action – conducting a Caffe Latte attack
Deauthentication and disassociation attacks
Time for action – deauthenticating the client
The Hirte attack
Time for action – cracking WEP with the Hirte attack
AP-less WPA-Personal cracking
Time for action – AP-less WPA cracking
Summary
7
7. Advanced WLAN Attacks
7. Advanced WLAN Attacks
A man-in-the-middle attack
Time for action – man-in-the-middle attack
Wireless Eavesdropping using MITM
Time for action – Wireless Eavesdropping
Session hijacking over wireless
Time for action – session hijacking over wireless
Finding security configurations on the client
Time for action – deauthentication attacks on the client
Summary
8
8. Attacking WPA-Enterprise and RADIUS
8. Attacking WPA-Enterprise and RADIUS
Setting up FreeRADIUS-WPE
Time for action – setting up the AP with FreeRADIUS-WPE
Attacking PEAP
Time for action – cracking PEAP
EAP-TTLS
Security best practices for Enterprises
Summary
9
9. WLAN Penetration Testing Methodology
9. WLAN Penetration Testing Methodology
Wireless penetration testing
Planning
Discovery
Attack
Reporting
Summary
10
10. WPS and Probes
10. WPS and Probes
WPS attacks
Time for action – WPS attack
Probe sniffing
Time for action – collecting data
Summary
11
A. Pop Quiz Answers
Chapter 1, Wireless Lab Setup
Chapter 2, WLAN and its Inherent Insecurities
Chapter 3, Bypassing WLAN Authentication
Chapter 4, WLAN Encryption Flaws
Chapter 5, Attacks on the WLAN Infrastructure
Chapter 6, Attacking the Client
Chapter 7, Advanced WLAN Attacks
Chapter 8, Attacking WPA-Enterprise and RADIUS
12
Index
Index

Time for action – deauthentication DoS attacks

Follow these instructions to get started:

  1. Let's configure the Wireless Lab network to use Open Authentication and no encryption. This will allow us to see the packets using Wireshark easily:

  2. Let's connect a Windows client to the access point. We will see the connection in the airodump-ng screen:

  3. Now, on the attacker machine, let's run a directed deauthentication attack against this:

  4. Note how the client gets disconnected from the access point completely. We can verify this on the airodump-ng screen as well:

  5. If we use Wireshark to see the traffic, you will notice a lot of deauthentication packets over the air that we just sent:

  6. We can do the same attack by sending a Broadcast deauthentication packet on behalf of the access point to the entire wireless network. This will have the effect of disconnecting all connected clients:

What just happened?

We successfully sent deauthentication frames to both the access point and the client. This resulted in them...

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