DEF CON 33 BiC Village - Sydney Johns RE for the Rest of Us An Introduction to Reverse Engineering
Source: YouTube · DEFCONConference · published Oct 22, 2025 · 41:02
This video provides a beginner-friendly introduction to reverse engineering, covering both hardware and software aspects using Arduino boards and tools like Gedra to analyze and understand the inner workings of electronic devices and code 3:24.
Key Takeaways:
• Reverse engineering is the process of analyzing existing items to understand their technical information, applicable to both hardware and software 3:24
• Hardware RE involves physical disassembly and component identification, while software RE converts binary code to human-readable formats 4:13
• Using multimeters for continuity testing helps verify board functionality and trace connections 11:52
• Different binary formats like ELF (Linux-based) and EXE (Windows-based) require specific analysis approaches 17:07
• Tools like Gedra can decompile binary code to reveal sensitive information like hardcoded credentials 35:04
Reverse engineering skills develop through practice and documentation, focusing on core tools like Gedra, Binwalk, and Object Dump.
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First 800 characters of the transcript
How you all doing? Thank you for joining us here for our reverse engineering um talk. Um it's my pleasure to introduce uh Sydney Jones. Uh she's a cyber security researcher with expertise in reverse engineering vulnerabil vulnerability assessment and AI evaluation. Today she'll be presenting uh RE for the rest of us an introduction to reverse engineering a beginner friendly session that explores both software and hardware re using Arduino and Gedra. Uh from toggling LEDs to inspecting binary behavior. Sydney will walk you through fundamentals in a hands-on engaging way. Please join me in welcoming Sydney Jones. Yay. >> Thank you. >> Hello. Hello everyone. This is my second talk that I've given at Defcon and I'm truly happy that you're all here. So, first to just talk a little bit about mys…