HackThisSite
A collection of writeups documenting solutions and lessons learned from Capture The Flag hacking competitions.
What is HackThisSite?
CTF Writeups is a GitHub repository containing documented solutions and lessons learned from various Capture The Flag hacking competitions. It provides practical examples of how security challenges were solved in real competitions, serving as an educational resource for cybersecurity enthusiasts. The collection spans multiple years and includes writeups from events like dCTF, Hack-A-Sat, and various Junior CTF competitions.
Cybersecurity students, CTF participants, and security professionals looking to learn practical hacking techniques and improve their problem-solving skills in security competitions.
Offers authentic, competition-tested solutions rather than theoretical exercises, with coverage of diverse CTF events and challenges. The repository maintains quality through automated consistency checks via Travis CI.
Overview
Things we learned from Capture The Flag hacking competitions we participated in.
Use Cases
Best For
- Learning practical cybersecurity techniques from real competition solutions
- Studying how specific CTF challenges are approached and solved
- Preparing for upcoming Capture The Flag competitions
- Understanding various security vulnerability categories through examples
- Finding inspiration for creating CTF challenges
- Improving problem-solving skills in security contexts
Not Ideal For
- Security professionals needing the latest exploit techniques and recent CTF solutions
- Beginners seeking structured, step-by-step tutorials with foundational explanations
- Educators looking for a curated curriculum organized by topic or difficulty
Pros & Cons
Pros
Covers multiple CTF events from 2015 to 2021, including dCTF, Hack-A-Sat, and Junior CTFs, providing diverse real-world examples as listed in the README.
Based on actual competition participation, offering hands-on solutions rather than theoretical exercises, aligning with the project's philosophy of practical education.
Uses Travis CI to ensure write-ups follow consistency standards, as shown in the build status section, maintaining quality across contributions.
Documents lessons learned from team participation, serving as a knowledge base for shared learning and improving cybersecurity skills.
Cons
No writeups beyond 2021, missing recent competitions and evolving cybersecurity techniques, which limits its relevance for current trends.
Writeups are listed chronologically by event without categorization by challenge type or difficulty, making it hard to find specific topics efficiently.
Uses a mix of Beerware, Unlicense, and WTF licenses without clear attribution, complicating reuse and distribution for educational or commercial purposes.
Frequently Asked Questions
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