I'm Harel.
I build programs, reverse engineer things, and tinker with tech. Mostly just building random stuff, experimenting, and sharing what I find.
Welcome to my personal corner of the web. I don't stick to just one lane—I reverse engineer malware, write random tools, tinker with infrastructure, and build whatever seems interesting at the time.
I love tech and understanding how things work under the hood. Sometimes that means dissecting a suspicious binary in a disassembler; other times it's building a program from scratch, hacking on servers and network tools, or just working on random side projects.
Take a look around, check out what I've posted below, or reach out anytime.
If you're short on time, or if you're just trying to get in touch, here are a few quick links:
Every cloud provider gives you a generous free email tier—until you hit their strict daily sending ceiling. Here's how I built a transparent SMTP proxy that pools free tiers, handles quotas, and fails over without touching application code.
During the Iron Swords conflict between Israel and Hamas, the Israel National Cyber Directorate (INCD) received complaints regarding a malicious email campaign targeting Israeli ci...