יום שבת, 26 בינואר 2019

Summit 2018: Breaking into my 3D Printer's Firmware / Uri Shaked

A few months ago, I got my new 3D Printer. As a Kickstarter project, it came as half-baked product - its firmware topped with many annoying bugs. In hope to fix some of them, I went to look into the firmware, but alas - it was encrypted with some sort of substitution cipher. In this talk I will show you how I used some data science, statistics, ARM architecture knowledge and much guesswork to defeat the encryption of the firmware. We will see some Python code and I will walk through some IDA scripts I built especially for this mission. Let the firmware's secrets reveal themselves!



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