{keyword}') Union All Select Null,null,null,null,null,null,null,null-- Mxyc ✮ ❲PREMIUM❳

: This is the heart of the attack. It tells the database to combine the results of the original (legitimate) search with a new set of data the attacker wants to see.

The text ') UNION ALL SELECT NULL,NULL...-- is a malicious payload used to test for vulnerabilities in a database. : This is the heart of the attack

: This attempts to "break out" of the developer’s intended code by closing a data field and a function. : This is the heart of the attack