Sep 7, 2023 - by Neptunian
SekaiCTF is a Capture The Flag event hosted by Team Project Sekai, with some hardcore members of CTF Community. Web challenges were fun. Worked in 3, solved 2. Challenge: Frog-WAF (29 solves) That was a hell of a teamwork with...
Capture the Flag , Web , Writeup
Aug 6, 2023 - by Alisson "Infektion" Bezerra
Hello, folks! It’s been a long time since my last write-up and there goes a short one. Harem scarem was a cool challenge from corCTF. It was a pwnable challenge, at first sight, We though it was about some fancy...
Capture the Flag , Hare programming language , Pwnable , Writeup
Aug 3, 2023 - by Neptunian
corCTF is maintained by the Crusaders of Rust Team. The 2023 edition happened between 28 and 30-JUL. This is a great CTF for Web with some really hard and creative challenges. I worked on 4 challenges and solved 3. Challenge:...
Capture the Flag , Web , Writeup
Mar 20, 2023 - by Marzano "Macmod"
Introduction Being one of the most widely used storage services on the web - probably only falling behind to AWS’s storage services - Azure storage accounts provide a simple and effective way of storing many kinds of data in the...
Azure , Blob , Data Analysis , Research , Storage Account
Mar 17, 2023 - by Neptunian
UTCTF is maintained by the Information & Systems Security Society at the University of Texas at Austin. Since I’m not a Python Jail Houdini like Alisson, my solution was WAY, WAY harder than most (or all) teams. But since it...
Capture the Flag , Web , Writeup
Mar 1, 2023 - by Marzano "Macmod"
Introduction This article describes an experiment aimed at finding domains likely vulnerable to DNS takeover, a well-known technique that can be used to steal decomissioned, but active domains. In this experiment I will show how I was able to find...
Data Analysis , DNS , DNS Takeover , Research , Subdomain Takeover , Takeover
Feb 19, 2023 - by Alisson "Infektion" Bezerra
The Event HackTM CTF was an event hosted by WreckTheLine. It was a really nice event and there were some very cool challenges. As it is Carnival in Brazil, my teammates was not going to play and I decided to...
Capture the Flag , Pwnable , Reverse Engineering , Writeup
Dec 19, 2022 - by Daniel "Dan_Ps" Patricio
The event NahamCon EU CTF started on December 16th and lasted 24 hours. It had all the most common types of challenges such as web, pwn, reverse, crypto, etc. I could not play the entire event, so I dedicated most...
Capture the Flag , Solidity Programming Language , Web3 , Writeup
Dec 10, 2022 - by Neptunian
RCTF 2022 is a Jeopardy-style Online Capture The Flag Competition presented by ROIS（Researcher Of In-formation Security). The Champion Team of RCTF 2022 will be invited to The Finals of the 8th Edition of XCTF. It is hosted by XCTF, which...
Capture the Flag , Web , Writeup
Dec 10, 2022 - by Neptunian
Tive o grande prazer de participar do evento de segurança BHack 2022 e ajudar na organização do CTF, incluindo a elaboração de dois desafios. Neste write-up, explico o desafio web Jogo da Velha e o método proposto de solu.. hacking...