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It fetches subdomains from various sources, checks for potential subdomain takeover vulnerabilities, saves findings to a SQLite database, and can notify updates via Discord.\n\n## Table of Contents\n\n- [Features](#features)\n- [Installation](#installation)\n- [Usage](#usage)\n- [Options](#options)\n- [Examples](#examples)\n- [Contributing](#contributing)\n- [License](#license)\n- [Disclaimer](#disclaimer)\n- [ToDo](#todo)\n\n## Features\n\n- Subdomain enumeration from multiple sources:\n    1. crt.sh\n    2. hackertarget\n    3. anubis\n    4. Alienvault\n    5. rapiddns\n    6. urlscan.io\n- Subdomain takeover scanning\n    - Currently supports Azure services (cloudapp.net, azurewebsites.net, cloudapp.azure.com)\n    - Colored terminal output for scan results\n- SQLite database to store discovered subdomains\n- Enhanced Discord integration\n    - Separate notifications for new subdomains and takeover findings\n    - Formatted messages with emojis and proper formatting\n    - Automatic file attachments for large result sets\n    - Rate limit handling\n- Easy-to-use command-line interface\n- Option to process a single domain with the `-d` flag\n\n## Installation\nYou can install subfalcon using the following command: \n```bash\ngo install github.com/cyinnove/subfalcon/cmd/subfalcon@latest\n```\n\n## Usage\n\n```bash\nsubfalcon -d example.com -sdt -m -wh \"YOUR_DISCORD_WEBHOOK_URL\"\n```\n\n## Options\n\n- `-l` or `--domain_list`: Specify a file containing a list of domains\n- `-m` or `--monitor`: Monitor subdomains and send updates to Discord\n- `-wh` or `--webhook`: Specify the Discord webhook URL\n- `-d` or `--domain`: Specify a single domain for processing\n- `-sdt`: Enable subdomain takeover scanning\n\n## Examples\n\n- Basic usage with subdomain takeover scanning:\n  ```bash\n  subfalcon -d example.com -sdt\n  ```\n\n- Monitor a single domain with takeover scanning and Discord notifications:\n  ```bash\n  subfalcon -d example.com -sdt -m -wh \"YOUR_DISCORD_WEBHOOK_URL\"\n  ```\n\n- Monitor multiple domains with all features:\n  ```bash\n  subfalcon -l domains.txt -sdt -m -wh \"YOUR_DISCORD_WEBHOOK_URL\"\n  ```\n\n## Contributing\n\nFeel free to contribute by opening issues or submitting pull requests.\n\n## License\n\nThis project is licensed under the [MIT License](LICENSE).\n\n## Disclaimer\n\nUse this tool responsibly and only on systems you have permission to scan. The authors are not responsible for any misuse or damage caused by this tool.\n\n## ToDo\n\n- [x] Add subdomain takeover scanning\n- [x] Improve Discord notifications with better formatting\n- [x] Add file attachment support for large result sets\n- [ ] Add support for more takeover vulnerability patterns\n- [ ] Add monitoring using Telegram\n- [ ] Add more subdomain enumeration sources\n- [ ] Add flags to customize monitoring time intervals\n- [ ] Add concurrency for faster subdomain enumeration\n- [ ] Add proxy support for requests\n- [ ] Add custom output formats (JSON, CSV)\n- [ ] Add vulnerability severity levels\n- [ ] Add support for custom takeover patterns\n- [ ] Improve error handling and logging system\n\n\u003e If you enjoy what we do, please support us:\n\u003e Buy Me Ko-fi! https://ko-fi.com/h0tak88r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fh0tak88r%2Fsubfalcon","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fh0tak88r%2Fsubfalcon","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fh0tak88r%2Fsubfalcon/lists"}