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.
If the website takes exactly 2 seconds (or more) to load, the attacker knows the database is vulnerable to SQL commands. MEGA'and(select 1)>0waitfor/**/delay'0:0:2
: 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.
sql server - What is this hacker trying to do? - Stack Overflow Once confirmed, they can use more complex versions
The /**/ is a comment syntax used to bypass simple security filters that might block spaces. How the Attack Works
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
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.