ZH3R0CTF 2020 HTB

HTB Category: Hack The Box Number of flags: 8 total Description: Description: Here’s the url ;) hackit.zh3r0.ml Author : Mr.Holmes Writeup This was a pretty unique challenge set for a CTF competition. Despite the fact most players get a lot of practice from the HackTheBox website and their challenges, we don’t see too many of them for a CTF. For those who know, Nmap is practically the first tool that comes to mind when only given a host....

June 18, 2020 · 7 min · Me

ZH3R0CTF 2020 Web

Tokens Category: Web Points: 50 Description: The flag was sent by Mr.4N0NYM4U5 to my victim. But i dont have the username and password of the victim to login into the discord account. The only thing i have is a god damn token. Can you help me to get the flag. Ill give you the token and it is all you need. Token: NzIyMzM1MTQ5NDA0MTkyODIw.XunLaw.xASADEeu9iXsYf1wqTFOil_jgfo Author: Mr.4N0NYM4U5 Writeup We weren’t able to solve this challenge for a while due to the pure confusion of what was given to us....

June 18, 2020 · 2 min · Me
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ZH3R0CTF 2020

June 18, 2020 · 1 min · Me

HSCTF 2020 Algorithms

Pythagorean Tree Fractal 1 Category: Algorithms Points: 100 Description: Please see the attached file for more details (and ignore the red dots on the images). Author: Plate_of_Sunshine Given: pdf named “Pythagorean_Tree_Fractal” Writeup This algorithm was pretty simple to make. After looking at the PDF given to us, we can see that our goal is to see how many rectangles there are at stage 50! Here is the math:...

June 6, 2020 · 2 min · Me

HSCTF 2020 Crypto

Chonky E Category: Crypto Points: 100 Description: E Note: P>Q Author: AC Given: ChonkyE.txt Writeup From the text file given, we see two different cryptosystems in play: RSA and Schmidt-Samoa. We are given the ciphertext encrypted by the Schmidt-Samoa cryptosystem and the n and e from the RSA cryptosystem. I have given links to the Wiki pages for both cryptosystems below. Schmidt Samoa encryption is very similar to RSA encryption....

June 6, 2020 · 4 min · Me