This time I couldn't invest a lot of time, but I still solved some easy challenges. 1753CTF 2025 was different from those I participated...

A personal mini blog about infosec and life It's been a long time since I posted. I had to deal with a lot of things that put my writing...

A personal mini blog about infosec and life One day, about two weeks ago, my partner was talking to me, and I felt the urge to pay closer...

A personal mini blog about infosec and life Recently, I took the chance to better get to know the city I live in and went for a long walk...

I think this was the first time I was part of one of the first teams to solve a hard challenge in a big CTF. We were the third team to...

SSTI in Go

A personal mini blog about infosec and life Recently, YouTube reminded me of a piece I used to listen to: https://www.youtube.com/watch?v...

Unfortunately, I did not have much time to try more challenges so this will be a short one. The challenge provided the URL for the web...

The challenge provided two files - server.py and admin.js, and a link to a web application that lets us enter a URL path that the bot...

A personal mini blog about infosec and life Previously, I mentioned my interest in improving my knowledge of browser internals and...

A personal mini blog about infosec and life The past week and a half was not very productive since I was unwell most of the time. It was...

A personal mini blog about infosec and life Recently, I encountered a blog that inspired me to create a more personal mini blog as part...

This year I participated with Flag Fortress 2, and we reached the 2nd place (which is well above my goals I set for myself two years...

Challenges: Rnd For Data Science 2. Butterfly Rnd For Data Science Vulnerability: Injection in Pandas library query allows to bypass...

I really like using Large Language Models (LLMs). One of my uses for them is solving CTFs. Recently I started comparing a couple of them,...

This time we reached the 83rd place out of 1225 teams, which is a really nice score. Although it wasn't a very hard CTF, I found it fun...

In this CTF we finished in 26th place. Here are two writeups of challenges I have solved. I didn't put many screenshots since the CTF was...

The theme of this CTF was an evil hacker group called "DEADFACE". Additionally, there were some other groups and companies that were part...

Together with members of the Hallios community and CyberSecMaverick, I participated in UMDCTF 2023. The CTF theme was Pokémon and I...

Playing with Cyber R0nin team, Here are several writeups of some of the challenges: 1. attack-strategies - WEB 2. Bank-of-Knowhere - WEB...