Neptunian

2023

Intigriti's December challenge by protag

Intigriti brings us monthly web challenge with really interesting problems. The Challenge This challenge was mostly the same of the...

SEKAI CTF 2023 - Web Writeups - Frog-WAF and Chunky

SekaiCTF is a Capture The Flag event hosted by Team Project Sekai, with some hardcore members of CTF Community. Web...

corCTF 2023 - 3 Web Challenges

corCTF is maintained by the Crusaders of Rust Team. The 2023 edition happened between 28 and 30-JUL. This is a...

UTCTF 2023 - Cracking the Random

UTCTF is maintained by the Information & Systems Security Society at the University of Texas at Austin. Since I’m not...

2022

RCTF 2022 - Hacking File Uploads

RCTF 2022 is a Jeopardy-style Online Capture The Flag Competition presented by ROIS(Researcher Of In-formation Security). The Champion Team of...

Explorando SQL Injection no INSERT - BHack CTF 2022 - Jogo da Velha - [PT-BR]

Tive o grande prazer de participar do evento de segurança BHack 2022 e ajudar na organização do CTF, incluindo a...

WeCTF 2022 - Google Wayback

This is the 3rd edition of WeCTF and this is the only CTF I’m following since the begining - because...

SEETF 2022 - Username Generator

SEETF is a cybersecurity Capture the Flag competition hosted by the Social Engineering Experts CTF team. Altough the name is...

justCTF 2022 - Symple Unzipper - [PT-BR]

O justCTF foi organizado pelo time just Cat The Fish e inclui as categorias mais comuns de desafios, incluindo alguns...

TSJ CTF 2022 - Nimja at Nantou

This was the first edition of TSJ CTF and it was great! There was a lot of hardcore Web Challenges,...

2021

idekCTF 2021 write-ups

The first edition of idekCTF brought some really nice and creative web challenges. We solved almost all of the web...

INTENT CTF 2021 - Writeups (6-in-1)

INTENT Security Research Summit 2021 was founded by security companies CyberArk and Checkmarx and is focused on security research. I...

Hack.lu CTF 2021 - Diamond Safe

Hack.lu CTF was a great surprise for me as a never heard about it before. And it’s rated 94.98! It...

ASISCTF 2021 - ASCII art as a service

ASIS CTF is a heavyweight CTF happening since 2013. The Rating weight on CTFTime for this event is currently 89.22,...

Really Awesome CTF 2021 - Secret Store

This was the second edition of the Really Awesome CTF, organized by a group of UK students, with a shared...

UIUCTF 2021 - yana - Client-side exfiltration

UIUCTF CTF is hosted by the Special interest Group for Computer Security: SIGPwny - at the University of Illinois in...

redpwnCTF 2021 - Requester + Requester Strikes Back

redpwnCTF 2021 is the 3rd edition of a cybersecurity competition hosted by the redpwn CTF team, with some very creative...

Hack-a-Sat 2021 - Tree in the Forest

Hack-a-Sat is a hardcore CTF focused on Satellite Hacking, which is awesome! I didn’t had much time to work on...