Hacking
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Arduino Geiger Counter Dosimeter written Aug 19, 2019
A short write-up of my rough-and-ready Geiger counter, and lessons learned from building and testing it.
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PDF Embedding Attacks written Aug 04, 2018
Turns out, it's possible to embed files that automatically execute as soon as a PDF is opened, making it an optimal malware delivery mechanism.
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Additional Exercises in Reverse Engineering written Feb 03, 2018
Some more exercises and commentary about reverse engineering 64-bit Intel binaries.
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An Intro to x86_64 Reverse Engineering written Nov 16, 2017
A thorough introduction to understanding the radare reverse engineering toolkit, demonstrated by taking apart some programs compiled for Intel x86_64, a.k.a. AMD64, under Linux.
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I Repaired My Headphones written Jun 04, 2016
Hardware manufacturers are missing out on a huge potential source of revenue: the thrifty tech user market.
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The Sinclair ZX-81/TS-1000 written Apr 10, 2016
A beautiful plastic slab of an 80s home computer and how I got it working with a modern dashboard display.