Mega'and(select 1)>0waitfor/**/delay'0:0:2 < Web >

Once confirmed, they can use more complex versions of this command to ask the database "yes/no" questions to slowly extract usernames, passwords, or other sensitive data. Security Context

: This is a logical condition that is always true. In a blind injection attack, hackers use such conditions to determine if their injected code is being executed. MEGA'and(select 1)>0waitfor/**/delay'0:0:2

sql server - What is this hacker trying to do? - Stack Overflow Once confirmed, they can use more complex versions

This technique is called "blind" because the database doesn't return actual data or error messages to the attacker's screen. Instead, the attacker observes the of the website: The attacker sends the request. sql server - What is this hacker trying to do

: This likely targets a field in a web application where the input "MEGA" is expected. The trailing single quote ( ' ) is intended to "break out" of the application's intended SQL query.

The string you provided is a specific type of cyberattack payload used to test for vulnerabilities. Specifically, it targets Microsoft SQL Server (MSSQL) databases. Breakdown of the Code

If the website takes exactly 2 seconds (or more) to load, the attacker knows the database is vulnerable to SQL commands.