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BackTrack 5 Wireless Penetration Testing Beginner's Guide

You're reading from  BackTrack 5 Wireless Penetration Testing Beginner's Guide

Product type Book
Published in Sep 2011
Publisher Packt
ISBN-13 9781849515580
Pages 220 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Vivek Ramachandran Vivek Ramachandran
Profile icon Vivek Ramachandran
LinkedIn
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

Table of Contents (18) Chapters

BackTrack 5 Wireless Penetration Testing
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
1. Wireless Lab Setup 2. WLAN and Its Inherent Insecurities 3. Bypassing WLAN Authentication 4. WLAN Encryption Flaws 5. Attacks on the WLANInfrastructure 6. Attacking the Client 7. Advanced WLAN Attacks 8. Attacking WPA-Enterprise and RADIUS 9. WLAN Penetration Testing Methodology Conclusion and Road Ahead Pop Quiz Answers Index

Time for action – connecting to a WPA network

  1. In the case of WPA, the matter is a bit more complicated. The iwconfig utility cannot be used with WPA/WPA2 Personal and Enterprise, as it does not support it. We will use a new tool called WPA_supplicant , for this lab. To use WPA_supplicant for a network, we will need to create a configuration file as shown in the screenshot. We will name this file wpa-supp.conf:

  2. We will then invoke the WPA_supplicant utility with the following options -Dwext -iwlan0 –c wpa-supp.conf to connect to the WPA network, we just cracked as shown. Once the connection is successful, WPA_supplicant will give you a message Connection to XXXX completed:

  3. For both the WEP and WPA networks, once you are connected, you want to use Dhcpclient3 to grab a DHCP address from the network as shown next:

What just happened?

The default Wi-Fi utility iwconfig cannot be used to connect to WPA/WPA2 networks. The de-facto tool for this is WPA_Supplicant. In this lab, we saw how we can...

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Authors (1)

Profile icon Vivek Ramachandran
LinkedIn
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.
Read more
See other products by Vivek Ramachandran

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