{keyword} Union All Select Null-- Auax Apr 2026

The string is a classic signature of a UNION-based SQL injection attack. Attackers and automated security scanners use this specific syntax to probe databases for vulnerabilities and determine their internal structure. Understanding the Attack Payload

Each component of the string serves a specific malicious purpose: {KEYWORD} UNION ALL SELECT NULL-- auaX

What is SQL injection (SQLi)? | Tutorial & examples - Snyk Learn The string is a classic signature of a