Maavi is a fuzzing tool that scans for vulnerabilities with obfuscated payloads. Has proxy support, records full history of actions, and has various bells and whistles.
You can download it from the following link: https://packetstormsecurity.com/files/download/156003/maavi-master.zip
Source: https://packetstormsecurity.com/files/156003/Maavi-Fuzzing-Utility.html