Before this work began, we already had a faster alternative to Github Actions cache. Our approach was different: we forked each of the popular first-party actions that depended on Actions cache to point to our faster, colocated cache. But my … Read more
I’ve been curious about what happens inside Claude Code so I’ve spent a couple hours digging through prompts that it sends back to Anthropic. As I’ve been going through that, I’ve gathered some insights why Claude Code is often slower … Read more
Important This is a pretty awesome (and correct) write-up of our sync engine. (link) …probably the best documentation that exists – internally or externally. (link) — Tuomas Artman (Co-founder and CTO of Linear) Important Disclaimer: This research is conducted solely … Read more
In 1985, Intel introduced the groundbreaking 386 processor, the first 32-bit processor in the x86 architecture. To improve performance, the 386 has a 16-byte instruction prefetch queue. The purpose of the prefetch queue is to fetch instructions from memory before … Read more
Rerouting the encryption In this edition: I examined the password system for the 1997 game The Lost World: Jurassic Park in Ghidra, the reverse engineering tool. This allowed me to replicate it in Python and uncover some previously-unknown cheat codes. … Read more
My wife and I run OpenBenches – a crowd-sourced database of nearly 40,000 memorial benches. Every bench is geo-tagged with a latitude and longitude. But how do you go from a string of digits to something human readable? How do … Read more
This project is for reverse engineering the TikTok Virtual Machine (VM). TikTok uses a custom virtual machine (VM) as part of its obfuscation and security layers. This project includes tools to: Deobfuscate webmssdk.js that has the virtual machine. Decompile TikTok’s … Read more
Jan 31, 2025 Inside imessage-exporter: Reverse Engineering Apple’s typedstream Format Table of Contents imessage-exporter’s goal is to provide the most comprehensive representation of iMessage data available. Message data is stored in a legacy format that appears to be a stream … Read more
I’ve been reversing Black Ops Cold War for a while now, and I’ve finally decided to share my research regarding the user-mode anti-cheat inside the game. It’s not my intention to shame or promote cheating/bypassing of the anti-cheat, so I’ve … Read more
Desciption Cover Video Cover Image Social Image Publish date Last edited time Created time About a week ago, I shared a small blog article on Hacker News. Soon after, a neighbor stopped by to print a label—apparently, I’m in the … Read more