Guilherme "k33r0k" Assmann

2018

Tokyo Westerns CTF - SimpleAuth Writeup

This challenge when I got it, I did not even know its description, but I really like that kind of...

TJCTF - Ess Kyoo Ell Writeup

This challenge is interesting, sometimes it does not seem very realistic, but if you take the side of that every...

TJCTF - Request Me Writeup

This challenge is really silly, but what is annoying, is that he was blocking the use of the Burp Suite...

ISITDTU CTF 2018 - Friss Writeup

This challenge happened this weekend and I enjoyed a lot it’s solving, also got a first blood here :) At...

[CVE-2018-12254] SQL Injection Joomla Component

The vulnerability was found in a rather unusual way. A few days ago Daybson was setting up a new test...

NoNameConCTF - Convert Writeup

NoNameConCTF - Convert Writeup Convert 100 If you need to convert something to Markdown, you can try our service: http://convert.nonameconctf2018.xyz...

SunshineCTF - Search Box Writeup

SunshineCtf - Search Box Writeup “This search engine doesn’t look very secure. Or well coded. Or competent in any way...

SunshineCTF - Marceau Writeup

SunshineCtf - Marceau Writeup “Marceau Hey my friend tells me that the flag is in this site’s source code. Idk...

SunshineCTF - Home Sweet Home Writeup

SunshineCtf - Home Sweet Home Writeup "Home Sweet Home Looks like this site is doing some IP filtering. That's very...

SunshineCTF - Evaluation Writeup

SunshineCtf - Evaluation Writeup "Evaluation Evaluate your life. How are you doing, and are you doing the best you can...

INS'hAck - Crimemail Writeup

INS’hAck - Crimemail Writeup “service, to communicate with his associates. Let’s see if you can hack your way in his...

Byte Bandits CTF - R3M3MB3R Writeup

Byte Bandits CTF - R3M3MB3R Writeup The following page was given by the task: Without second thoughts, it’s clear this...

N1CTF 2018 - Funning eating cms

N1CTF - Funning eating cms “a strange online reservation system for restaurants, please hacking it” This challenge told us little,...

Pragyan CTF - Unfinished Business

Pragyan CTF - Unfinished business (Web 100pts) This challenge sent to the following page: When I tried to login, the...

Pragyan CTF - El33t Articles Hub

Pragyan CTF - El33t Articles Hub (Web 200pts) This challenge sent us to the following page: After a few attempts...