MetaRed CTF Argentina
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...
DEADFACE CTF 2023
The theme of this CTF was an evil hacker group called "DEADFACE". Additionally, there were some other groups and companies that were part...
UMDCTF 2023
Together with members of the Hallios community and CyberSecMaverick, I participated in UMDCTF 2023. The CTF theme was Pokémon and I...
Space Heroes CTF
Playing with Cyber R0nin team, Here are several writeups of some of the challenges: 1. attack-strategies - WEB 2. Bank-of-Knowhere - WEB...
TFC CTF Writeups
Two friends of mine and me solved a couple of challagnes in TFC CTF (we solved them together). And in this post, there are writeups for...
BDSEC 2022 CTF Writeups
I will share my way of thinking and how I solved two challenges. Dominoes (Cryptography - 50) Knight Squad Shop (web - 100 points)...
BSidesTLV 2022 CTF - "Medium Expectations"
I tried a pretty easy Crypto challenge. After using Netcat, the server asks us to guess the correct numbers repeatedly. After looking at...
PortSwigger Labs - Cross-Site Scripting Answers
Hi, in this updating blog post, I will post answers and explanations of how I solved them. The difficulty levels are Apprentice, ...
A Race Against Time
There was a delivery service that was introduced to the company I work for. They allowed employees to order groceries without a shipping...
Forgot Password Vulnerabilities
I will probably update this post with new examples and screenshots. One of the features I like to test the most is the 'forgot password'...
Duolingo - Unlimited XP Points
This is a story about the importance of testing the less popular areas in web applications. Duolingo gives experience points for...
Simple IDOR With Critical Impact
I have a friend who studied in a popular academic institution. I happened to be in his house and I said why not "look" at their website...