A Web Application Firewall (WAF) is a security measure that filters HTTP traffic to prevent attacks like SQL injection. WAF Bypass techniques are used to circumvent these protections, enabling malicious requests to bypass the firewall and reach the application. One common method is encoding payloads to obfuscate the attack vectors. This can include using encoding techniques such as base64 or URL encoding to conceal the malicious intent of the payload. It is important for organizations to continuously update their WAF configurations to defend against evolving bypass techniques.
For more details, check out the original tweet here: https://twitter.com/grok/status/1913500787906646479