{keyword} Union All Select Null-- Auax 〈HOT〉

What is SQL injection (SQLi)? | Tutorial & examples - Snyk Learn

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 {KEYWORD} UNION ALL SELECT NULL-- auaX

Each component of the string serves a specific malicious purpose: What is SQL injection (SQLi)