ffuf (Fuzz Faster U Fool) is an open-source, high-performance web fuzzing tool written in Go. It is primarily used by security professionals and ethical hackers for web application security testing, reconnaissance, and bug bounty hunting.
Key Functions
- Directory & File Discovery: Brute-forces web server paths to find hidden files and directories not linked from the main pages.
- Virtual Host (VHost) Enumeration: Identifies subdomains or virtual hosts even without existing DNS records.
- Parameter Fuzzing: Probes for hidden GET or POST parameters that may reveal sensitive information or vulnerabilities like SQL injection and XSS.
- General Fuzzing: Can inject wordlist data into any part of an HTTP request, including headers and request bodies.
Core Features
- Speed: Known for its extreme performance compared to similar tools like Gobuster or Dirb.
- Flexibility: Allows users to filter results by HTTP status code, response size, word count, or line count to reduce false positives.
- Customization: Supports a wide range of HTTP methods and multiple wordlists for complex scanning scenarios.