I was working on a project that required writing a linux device driver. I chose to do this on a Beaglebone Black, an inexpensive single board linux computer. The first step was to set up an environment to build a custom kernel and device tree. This write-up describes that process.
...read more
I and several colleagues of mine have needed an Arinc 615a dissector for Wireshark. I couldn't find an existing one so I've decided to write my own. At the time of posting, this project is under active development.
...read more
A coworker of mine gave me a Carloop.io OBD-II adapter for the Particle Electron In this proof-of-concept, I monitored my car's engine RPM and physical location, sending alerts to my phone if any unauthorized action was detected. For fun, I added an Alexa skill to enable and disable the alarm system by voice.
...read more
Recently I developed an application for Troy Mursch of Bad Packets Report to help him track a botnet he calls "Mirai-like". The name refers to a similarity between a network signature observed in both this and the Mirai network of infected hosts. The signature can be traced to the Mirai source code, wherein packets sent from the hosts use the destination IP address as the TCP sequence number.
...read more