Category Archives: Computers

Sometimes I write Ruby code. Occasionally, it even works.

Effective Electromagnetic Keyboard Side-Channel on a (kinda) Budget

Posted on November 6, 2019 by

Update: a primitive GUI is now available to help remove the last false positives from signal matching. To use this, execute keyboards/classifier-read.py with the “–gui” argument to use this, code is in keyboards/ui.py. This week, I made good progress on … Continue reading →

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Writeups – Elecduino, python_jail (NCTF)

Posted on November 3, 2019 by

This weekend, I participated in NCTF. This was a beginner CTF, and it was good both as a morale boost, particularly as other research wades into unexplored territory, as well as a refresher on basic skill. It is always a … Continue reading →

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Preliminary Notes on Electromagnetic Keylogging

Posted on October 28, 2019 by

This is my keylogger. There are very few like it – this one is mine. Over the past few weeks (and on and off before that), I have done some work on electromagnetic keylogging – this has met with some … Continue reading →

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Writeups – coffee_break (SECCON), cobol_otp (Hack.lu)

Posted on October 26, 2019 by

Over the past two weeks, I have spent some time diving back into CTF challenges. My skills have decayed over so long of not doing this (or the challenges could have gotten harder, but let’s get real, it’s skill decay), … Continue reading →

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Quick Note: WiFi Bash Bunny

Posted on September 29, 2019 by

This weekend, while sulking over my lack of forward progress in smartcard power analysis, I added WiFi control to a Bash Bunny I’ve got lying around. Somehow, Google turns up nothing on the topic (surely I’m not the only person … Continue reading →

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