WAFNinja

WAFNinja is a Python-based Web Application Firewall Attack Tool designed to help penetration testers execute WAF bypass by automating the steps necessary to bypass input validation.

https://github.com/khalilbijjou/WAFNinja

https://www.darknet.org.uk/2017/11/wafninja-web-application-firewall-attack-tool-waf-bypass/