Hi there,

I’m Daniel Dinari, a Cybersecurity Consultant at IBM and a recent Queen’s University graduate with a degree in Computing, specialized in Cybersecurity. Here I post CTF writeups, my resume, past CTF rankings and more.

Rewrite It In Zig (amateursCTF 2025)

Medium Pwn Challenge - BOF in Zig + ROPchains

Simple Stack Smash (SummitCTF 2023)

Easy Pwn Challenge - ret2win

Gunnar the Gatekeeper (vikeCTF 2023)

Medium Rev Challenge - patching

Floating Viking Head (vikeCTF 2023)

Easy Rev Challenge - using Angr

Cipher Cracking (vikeCTF 2023)

Easy Crypto Challenge - CyberChef

finals-simulator (LACTF 2023)

Easy Rev Challenge - my first write up!