It looks like you're trying to demonstrate or discuss a SQL injection technique that involves the use of the PG_SLEEP function in a PostgreSQL database. The provided code appears to be an SQL injection payload where the intention is to delay the response from the database for 15 seconds.
Here's a breakdown of the components:
20-1)is likely part of a conditional query structure that could be used in a SQL injection.OR 375=is trying to execute an additional condition within the SQL query.(SELECT 375 FROM PG_SLEEP(15))is a subquery that would make the database pause execution for 15 seconds.
If successfully executed, this type of injection could help an attacker infer that their injection was successful based on the time delay in the response. The PG_SLEEP function is useful in testing the vulnerability of the database to SQL injection.
Important Note
SQL injection is a serious security vulnerability and is illegal to exploit on systems without permission. It is essential to use this knowledge for ethical hacking purposes, such as securing your systems or for educational purposes in a controlled environment. Always follow legal guidelines and obtain proper authorization when testing systems for vulnerabilities.
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