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ZeroDayTea

Patrick Dobranowski

Making and breaking things around the world since before Pluto lost its planet status. Just your average spray-on-cheese hater navigating this complex reality by a love of cybersecurity, machine learning, low-level architecture, physics, and tea that makes you think everything will be alright.

Sol, Virgo Supercluster •
6 posts •
Csaw Pwn

mini-golfing

Leaky stacks with printf: format string basics

Patrick Dobranowski 4 min read
Blackhatmea Pwn

babysbx

Shellcode sandboxes make for a fun little game.

Patrick Dobranowski 17 min read
Sekaictf Rev

Guardians of the Kernel

Kernel can be a scary word. That’s alright though because we have an SMT solver on our team.

Patrick Dobranowski 11 min read
Buckeyectf Pwn

stack duck

I love ducks, so I was a little saddened to see that this duck was a canary in disguise. Still a birb though!

Patrick Dobranowski 13 min read
Bluehensctf Misc

Rick and Morty - One Time Pad - Esoteric Languages

Memes as an internet subculture, World War era encryption schemes, and program states as stacks of dynamically sized integers, oh my! How do they all connect?

Patrick Dobranowski 20 min read
Wreckctf Web

password-3

A quick but interesting proof-of-concept demonstrating that security by obscurity does not and will never work. Even if you don’t show reflected feedback from SQL commands, your database is still not safe.

Patrick Dobranowski 5 min read
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