My solutions to the 2020 NSA Codebreaker Challenge

I used github and then moved to medium to share my cybersecurity writeups. However, I no longer use either platform. As a result, I am currently developing my own blog to circumvent any subscription fees associated with medium.

This repository contains the example CTF challenges for the "Hack Back; Let's Learn Security with CTFs" talk presented at KubeCon NA 2022 in Detroit.

✒️ Every cybersecurity capture-the-flag challenge I've ever authored (reverse engineering, game-hacking)!

DC540 hacking challenge 0x00006.

A reverse challenge in NSSCTF Round#7

my solves of some ctfs and some write-ups regarding security tools

DC540 hacking challenge 0x00007 [UNKNOWN CTF].

本仓库用于存储和构建 SVUCTF-WINTER-2023 的题目镜像、题解。Powered by GZCTF and GZTime

[CTF] BND (Federal Intelligence Service) Recruitment 2021 All Web Security Challenges Writeup

A dockerized white box web ctf challenge.

Design of a Vulnerable VM for CTF training

A collection of CTFs, TryHackMe and HackTheBox writeups.

Challenge and writeups for VECCTF 2022

Memecrypt is an encryption tool designed for fun and CTF challenge use.

A reverse challenge in NSSCTF Round#7

I Can See It

Reverse Engineering & Binary Exploitation Warm Up for CTF

Challenge for the practical course binary exploitation at TUM in WS 23/24.

Otenki Girl website, used as the base project of CTF challenges.