This pattern is often the "reconnaissance" phase of an attack. Once an attacker knows how many columns a table has and which ones are displayed on the screen, they can replace the dummy numbers with commands to extract sensitive data, such as usernames, passwords, or system configurations. How to Prevent These Attacks To protect your applications, developers should:
The phrase you provided, -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34# , is a classic example of , a technique used to probe a database for vulnerabilities. Understanding the Syntax -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#
This specific string is designed to trick a web application into running an unintended database command: This pattern is often the "reconnaissance" phase of
: This SQL operator combines the result sets of two or more SELECT statements into a single result. such as usernames