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  • Dec 2, 2021

    Learning eBPF through gamification: The Hive CTF Challenge and Walkthrough

    TL;DR: A (relatively) simple eBPF capture the flag challenge and writeup. The challenge was made by a colleague on the R&D team and the writeup by one of our detection engineers. The writeup goes through the whole discovery process and is a great way to dive into BPF.

  • Nov 1, 2021

    Introducing oxidebpf: an open source Linux tool for Rust and eBPF developers

    This post was written for Red Canary and originally appeared on their site here.

  • Aug 7, 2021

    Looking for a Remote Cybersecurity Job in 2021

    It’s been long enough that I’d like to document my job search and interview process at a high level, hopefully for the benefit of others. If you’d like to understand the position I was in before the job search, you can look at my previous experiences on my CV page.

  • May 8, 2021

    Creating an Off-chain Uniswap Pricing Oracle by Porting Solidity Arithmetic

    TL;DR: If you follow along with this post, you’ll get a recipe for creating an offline pricing oracle for Uniswap by reimplementing several library functions. We start with the high level solidity functions and drill down into the guts of Yul and Ethereum.

  • Dec 30, 2020

    Rust and WASM - Game of Life

    TL;DR: Playable game of life in this post, written in Rust, running with WebAssembly. I started learning Rust a while ago, when I was trying to get a handle on OS development. I followed along with Philipp Oppermann’s blog but quickly put Rust aside for C and the osdev wiki.

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The new original cyber dog. Linux, crypto(graphy), Machine Learning.

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