How mitmproxy forges certs and forwards traffic

Are your smart home devices spying on you? In this video, David Bombal interviews cybersecurity researcher and IoT penetration tester, Matt Brown, to reveal how to intercept and decrypt supposedly secure SSL/TLS traffic from IoT devices. Matt demonstrates his open-source tool, "Man in the Middle Router," a specialized Linux-based bash script designed to simplify IoT hardware hacking labs. This tool stitches together essential Linux utilities—including HostAPD (for access points), DNSmasq (for DHCP), and iptables (for traffic routing)—to transform any Linux computer or Raspberry Pi into a transparent intercepting router. In this technical deep-dive, you will learn: How a Man in the Middle (MITM) attack intercepts encrypted TLS (HTTPS) communications. How to set up an IoT penetration testing lab using minimal hardware, such as an Alpha Wi-Fi adapter and an Ethernet dongle. The difference between theoretical attacks and real-world vulnerabilities like the failure of IoT devices to validate server certificates. Transparent proxy setup using tools like mitmproxy to visualize raw API data. Live Hacking Demonstration Matt moves beyond theory to demonstrate a live hack of an Anran Wi-Fi security camera purchased from eBay. He shows the exact process of capturing and decrypting the camera's API traffic (apis.us-west.cloudedge360.com). This demonstration exposes that the device is transmitting sensitive information—including authentication credentials—in cleartext over HTTP inside the broken TLS tunnel. Whether you are a network engineer, network security analyst, or a hardware hacking enthusiast, this video provides a step-by-step framework for auditing the security and privacy of the devices on your network. // Matt Brown’s SOCIAL // X: https://x.com/nmatt0 YouTube: / @mattbrwn LinkedIn: / mattbrwn GitHub: https://github.com/nmatt0 Reddit: https://github.com/nmatt0 Website (with training courses): https://training.brownfinesecurity.com/ // GitHub REFERENCE // mitmrouter: https://github.com/nmatt0/mitmrouter // Camera REFERECE // https://www.amazon.com/ANRAN-Security... // David's SOCIAL // Discord: discord.com/invite/usKSyzb Twitter: www.twitter.com/davidbombal Instagram: www.instagram.com/davidbombal LinkedIn: www.linkedin.com/in/davidbombal Facebook: www.facebook.com/davidbombal.co TikTok: tiktok.com/@davidbombal YouTube: / @davidbombal Spotify: open.spotify.com/show/3f6k6gE... SoundCloud: / davidbombal Apple Podcast: podcasts.apple.com/us/podcast... // MY STUFF // https://www.amazon.com/shop/davidbombal // SPONSORS // Interested in sponsoring my videos? Reach out to my team here: sponsors@davidbombal.com // MENU // 0:00 - Coming Up 0:33 - Introduction 02:33 - Matt’s Solution for IoT Devices 05:38 - Getting around SSL Pining / Certificate Validation 08:55 - Demo - The Basics 12:00 - Demo - Man In The Middle Router Tool 15:00 - Demo - Software/Hardware Considerations 20:12 - Demo - MITM Proxy 24:43 - Demo - MITM Router 33:58 - Example Using a Real IoT Device 36:33 - David’s Questions 37:50 - More About Matt Brown 38:41 - Android Vs Apple 40:33 - Outro Please note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel! Disclaimer: This video is for educational purposes only. #iot #hacking #iothacking