CypherCTF Bot

An advanced IRC-based Capture The Flag (CTF) game bot that creates an engaging and secure challenge environment.

Features

• 🔒 Secure challenge submission system
• 🎯 Progressive difficulty challenges
• ⏰ Time-based challenges
• 🔐 Cryptographic puzzles
• 📝 Steganography challenges
• 🤖 Automated challenge progression
• 🔑 Private message verification
• 🎮 Interactive command system

Challenges

1. Welcome Challenge

   • Simple riddle to get started
   • Tests basic problem-solving skills

2. Binary Decoding

   • Binary to ASCII conversion
   • Pattern recognition

3. Cryptographic Challenge

   • Base64 encoding/decoding
   • String manipulation

4. Time-Based Challenge

   • Special time-based puzzle
   • Requires timing and patience

5. Vigenère Cipher

   • Classical encryption
   • Pattern analysis

6. Steganography Challenge

   • Hidden messages in text
   • Pattern recognition

7. Final Challenge

   • Multi-step cryptographic puzzle
   • Ultimate test of all skills

Installation

1. Clone the repository:

git clone https://github.com/yourusername/cypherctf-bot.git
cd cypherctf-bot

2. Install dependencies:

pip install -r requirements.txt

3. Create a .env file with your configuration:

BOT_NICK=CTFGameBot
BOT_USERNAME=CTFGameBot
BOT_REALNAME=IRC CTF Game Bot
BOT_PASSWORD=your_secure_password_here
BOT_EMAIL=your_email@example.com

4. Run the bot:

python bot.py

Configuration

The bot can be configured through environment variables or directly in the code:

• BOT_NICK: Bot's nickname
• BOT_USERNAME: Bot's username
• BOT_REALNAME: Bot's real name
• BOT_PASSWORD: Password for NickServ registration
• BOT_EMAIL: Email for NickServ registration

Usage

1. Connect to the IRC server
2. Join the main channel (#CypherCon)
3. Type !start to begin
4. Follow the challenges in sequence
5. Submit solutions via private message
6. Complete all challenges to win

Commands

• !start - Begin the CTF game
• !help - Show help information

Security Features

• Private message verification
• Channel kick after solving
• Hidden solutions
• Time-based challenges
• Multiple verification methods

Development

To add new challenges:

1. Edit challenges.py
2. Add your challenge to the CHALLENGES dictionary
3. Include challenge text, solution, and hints
4. Test thoroughly before deployment

Contributing

1. Fork the repository
2. Create a feature branch
3. Commit your changes
4. Push to the branch
5. Create a Pull Request

License

ISC License

Copyright (c) 2025, strangeprogram blowfish@hivemind