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Explore open source cellular testing methodologies in this 26-minute DEF CON 33 RF Village conference talk that demonstrates how to create robust cellular test beds for evaluating the Electronic Freedom Foundation's Rayhunter tool. Learn about the Rayhunter open source detection system, which utilizes an Orbic RC400L mobile hotspot to identify potentially malicious cellular network data indicative of Stingray surveillance attacks. Discover how to implement and configure various open source software cellular base stations including Open Air Interface 5G (OAI), srsRAN_4G, OpenBTS, and Yates GSM to build comprehensive testing environments. Gain insights into developing new detection capabilities and methodologies for identifying cellular surveillance threats through practical demonstration of these testing frameworks and their applications in cybersecurity research.
