CTF Guide 🚩

A comprehensive guide for Capture The Flag (CTF) challenges from popular platforms including PicoCTF, TryHackMe, HackTheBox, and more.

📖 About

This repository contains detailed write-ups, solutions, and methodologies for various CTF challenges across different difficulty levels and categories. Whether you're a beginner just starting out in cybersecurity or an experienced CTF player looking for reference material, this guide aims to provide clear, step-by-step solutions to help you learn and improve your skills.

🎯 Platforms Covered

• PicoCTF - Beginner-friendly CTF challenges covering various security topics
• TryHackMe - Interactive cybersecurity learning platform (coming soon)
• HackTheBox - Advanced penetration testing challenges (coming soon)
• And more platforms to come!

📂 Repository Structure

CTF_Guide/
├── PicoCTF/
│   ├── Cryptography/
│   │   ├── interencdec.md
│   │   ├── hashcrack.md
│   │   └── ...
│   ├── Web Exploitation/
│   ├── Binary Exploitation/
│   ├── Forensics/
│   └── ...
├── TryHackMe/
│   └── (coming soon)
├── HackTheBox/
│   └── (coming soon)
└── README.md

🗂️ Challenge Categories

• Cryptography - Encryption, decryption, hashing, and cipher challenges
• Web Exploitation - SQL injection, XSS, CSRF, and other web vulnerabilities
• Binary Exploitation - Buffer overflows, reverse engineering, and binary analysis
• Forensics - Digital forensics, file analysis, and data recovery
• Reverse Engineering - Analyzing compiled programs and understanding their behavior
• Pwn - Exploitation challenges focusing on binary exploitation
• Miscellaneous - Other challenges that don't fit into standard categories

🚀 How to Use This Guide

1. Navigate to Your Platform: Choose the CTF platform you're working on (e.g., PicoCTF)
2. Select a Category: Browse through the challenge categories (e.g., Cryptography)
3. Find Your Challenge: Look for the specific challenge you need help with
4. Read the Write-up: Each write-up includes:
   • Challenge name and difficulty level
   • Step-by-step solution methodology
   • Tools and resources used
   • Important notes and tips

📝 Write-up Format

Each challenge write-up follows a consistent format:

# Challenge Name

- **Name:** Challenge Name
- **Difficulty:** easy/medium/hard

## Method

1. Step-by-step instructions
2. Commands and tools used
3. Analysis and reasoning

## Notes

- Important tips
- Common pitfalls
- Alternative approaches

🛠️ Common Tools & Resources

• Cryptography: CyberChef, dCode, Base64 decode/encode
• Web: Burp Suite, OWASP ZAP, Browser DevTools
• Binary: GDB, Ghidra, radare2, pwntools
• Forensics: Wireshark, Autopsy, binwalk, strings
• General: netcat (nc), Python, Bash scripting

🤝 Contributing

Contributions are welcome! If you'd like to add write-ups for challenges:

1. Fork the repository
2. Create a new branch for your write-up
3. Follow the existing format for consistency
4. Submit a pull request

Please ensure your write-ups are:

• Clear and easy to follow
• Educational and explain the methodology
• Properly formatted in Markdown
• Respectful of challenge creators and platforms

⚠️ Disclaimer

This repository is intended for educational purposes only. The write-ups and solutions are meant to help learners understand cybersecurity concepts and improve their skills. Always follow the rules and guidelines of each CTF platform:

• Only attempt challenges you're authorized to solve
• Don't share flags or solutions during active competitions
• Respect the platforms' terms of service
• Use this knowledge ethically and responsibly

📚 Learning Resources

• PicoCTF - Free CTF platform for students
• TryHackMe - Interactive learning platform
• HackTheBox - Penetration testing labs
• CTFtime - CTF competition calendar and ratings

📫 Contact

Feel free to open an issue if you have questions, suggestions, or find any errors in the write-ups.

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#happyhacking 🎉

Happy learning and enjoy your CTF journey!