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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 – sniffing wireless packets

Follow these instructions to begin sniffing packets:

  1. Power up our access point Wireless Lab which we configured in Chapter 1, Wireless Lab Setup.

  2. Start Wireshark by typing Wireshark& in the console. Once Wireshark is running, click on the Capture | Interfaces sub-menu:

  3. Select packet capture from the mon0 interface by clicking on the Start button to the right of the mon0 interface as shown in the preceding screenshot. Wireshark will begin the capture and now you should see packets within the Wireshark window:

  4. These are wireless packets which your Alfa Wireless card is sniffing off the air. In order to view any packet, select it in the top window and the entire packet will be displayed in the middle window:

  5. Click on triangle in front of IEEE 802.11 wireless LAN management frame to expand and view additional information.

  6. Look at the different header fields in the packet and correlate them with the WLAN frame types and sub-types you have learned earlier...

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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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