Extracting and Modifying Firmware with JTAG

In this video, we discuss how to extract firmware from a RP2040 microcontroller on the Defcon 30 badge using JTAG. A JLink debugger is used. We also push a modified version of the firmware back to the device. IoT Hackers Hangout Community Discord Invite:   / discord   🛠️ Stuff I Use 🛠️ 🪛 Tools: XGecu Universal Programmer: https://amzn.to/4dIhNWy Multimeter: https://amzn.to/4b9cUUG Power Supply: https://amzn.to/3QBNSpb Oscilloscope: https://amzn.to/3UzoAZM Logic Analyzer: https://amzn.to/4a9IfFu USB UART Adapter: https://amzn.to/4dSbmjB iFixit Toolkit: https://amzn.to/44tTjMB 🫠 Soldering & Hot Air Rework Tools: Soldering Station: https://amzn.to/4dygJEv Microsoldering Pencil: https://amzn.to/4dxPHwY Microsoldering Tips: https://amzn.to/3QyKhrT Rework Station: https://amzn.to/3JOPV5x Air Extraction: https://amzn.to/3QB28yx 🔬 Microscope Setup: Microscope: https://amzn.to/4abMMao Microscope 0.7X Lens: https://amzn.to/3wrV1S8 Microscope LED Ring Light: https://amzn.to/4btqiTm Microscope Camera: https://amzn.to/3QXSXsb About Me: My name is Matt Brown and I'm an Hardware Security Researcher and Bug Bounty Hunter. This channel is a place where I share my knowledge and experience finding vulnerabilities in IoT systems. Soli Deo Gloria 💻 Social: twitter:   / nmatt0   linkedin:   / mattbrwn   github: https://github.com/nmatt0/ #iot #jtag #defon #raspberrypi #iotsecurity