Select 34,34,34,34,34,34,34,34,34,34#: -9825 Union All

: This is a comment character in MySQL. It tells the database to ignore everything that comes after it, effectively cutting off the rest of the website's original, legitimate code. The "Aha!" Moment

: The attacker starts with a value that likely doesn't exist (like a negative ID number). This "breaks" the original intended query, forcing the database to ignore the real results and display the attacker's fake results instead. -9825 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#

: This is the heart of the exploit. The UNION operator tells the database, "Take the results of the first search and glue them to the results of this second search." : This is a comment character in MySQL

: The attacker is playing a guessing game. A UNION attack only works if both queries have the exact same number of columns . By repeating "34," the attacker is testing if the database table has 10 columns. If the page loads without an error, they’ve found the "shape" of the table. This "breaks" the original intended query, forcing the

This "subject" is a classic example of a payload, specifically a Union-Based Injection attack. To the untrained eye, it looks like gibberish; to a database, it’s a command to leak data. The Anatomy of the Attack

The string is designed to trick a website’s search bar or login field into running extra commands it wasn't supposed to.