BAFFLE (Behavioral Active Fingerprinting within Link Layer)

BAFFLE is a Behavioral Active Fingerprinting tool for 802.11 APs, operating entirely within the Link Layer. It sends non-standard Probe Request and Authentication Request frames and distinguishes between different AP chipset-driver combinations based on their observed responses. BAFFLE is written in Ruby and uses LORCON and libpcap (primarily with the Atheros madwifi combination).

BAFFLE was presented and demoed at Shmoocon 2008: [presentation slides]. You can download it here.

Vivek Ramachandran is a security evangelist and has been working in computer security related fields for the past 7 years. In 2007, Vivek spoke at world renowned conferences Defcon (WEP Cloaking Exposed) and Toorcon (The Caffe Latte Attack). The discovery of the Caffe Latte Attack was covered by CBS5 news, BBC online, Network World etc news agencies.In 2006, Vivek was announced as one of winners of the Microsoft Security Shootout contest held in India among 65,000 participants. He has also been a recipient of a Team Achievement at Cisco Systems for his work on 802.1x and Port Security modules on the Catalyst 6500 switches. Currently he spends all of his time maintaining Security- Freak.Net , SecurityTube.Net and is the co-founder of Axonize. Vivek, is a Bachelor in Electronics and Communications Engineering from the prestigious Indian Institute of Technology, Guwahati.You can contact him at vivek[at]securitytube.net