NCS 2021 Writeup

My writeup for the National Cyber Scholarship Competition 2021


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Introduction

From April 5th to April 7th I participated in this year’s National Cyber Scholarship Competition, a competitive CTF (or Capture-The-Flag) that centers on cybersecurity and ethical hacking. I ended up placing 52nd out of 3,277 high school students who participated:

Competition Results

For my first competitive timed CTF, I think I did pretty well. This website serves to document my approach to the challenges that I completed. Here is a list of challenges I have written walkthroughs for:

Challenges

Binary Crypto (WIP) Forensics (WIP) Networking (WIP) Web (WIP)
BE01 CM01 FE01 NE01 WE01
BE02 CM02 FE02 NM01 WE02
BM01   FE03   WM02
BM02   FE04   WM05
BM03 (WIP)   FM01    
BH01   FM02    

My Setup

For this CTF I used 2 main environments, my main windows desktop and a Kali Linux VM. I ran the VM using WSL2 (Windows Subsystem for Linux) and used Win-KeX Win to host the Kali VM GUI in a window instead of running it as a headless server.