Presented at
DEF CON 33 (2025),
Aug. 9, 2025, 4 p.m.
(45 minutes).
Designed for wireless security testing and autonomous reconnaissance, Tengu Marauder v2 is a multi-terrain open-source robotic platform. Built around a Raspberry Pi and using ROS2, it combines real-time motor control, RF monitoring, and sensor data streaming to facilitate remote operations in challenging environments. Over the initial architecture, the v2 platform brings major enhancements in system modularity, communication security, and operational flexibility. Designed for safe remote access using encrypted VPN tunnels, the robot allows internet-based control and telemetry without endangering the system to direct network threats. Tengu Marauder v2 provides a tough, scalable basis for incorporating autonomy and cyber capabilities into your mobile security toolset whether used for off-grid automation, robotics teaching, or red teaming.
Presenters:
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Lexie "L3xic0n" Thach
Lexie has worked in cybersecurity for ten years in various positions. During this time, she developed a strong affinity for electrical engineering, programming, and robotics engineering. Despite not having a traditional academic background, she has extensive hands-on experience from her eight years in the US Air Force, specializing in cybersecurity and tactical networks for aircraft missions and operations. Her focus on securing and testing the security of autonomous systems stems from these experiences, and she is passionate about sharing the techniques she has learned. She currently runs a local hackerspace in Philadelphia in support of DC215 called the Ex Machina Parlor where anyone can come to learn new hacking tools, try to build offensive or defensive security robots, and use 3D printers on standby for any prototyping people want.
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Munir Muhammad
Munir is a cybersecurity intern with the City of Philadelphia and a senior in college. He’s focused on learning how to keep computer systems safe from threats. He is especially interested in defensive security and enjoys finding new ways to protect networks and data. He is active in local tech meetups, works on open-source security projects, and is a member and community engagement coordinator at EMP (Ex Machina Parlor), a Philadelphia hackerspace where people can explore new hacking tools, build security robots, and use 3D printers for prototyping. He also supports students as a teaching assistant for software engineering courses. He is looking forward to meeting new people at DEF CON, learning from the community, and helping newcomers find their way into cybersecurity.
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