{keyword}' And (select Char(121)||char(107)||char(70)||char(106) From Information_schema.system_users)=char(103)||char(112)||char(87)||char(114) And 'mppv'='mppv -

If you are seeing this in your logs, it means an automated scanner or attacker is probing your site for weaknesses. You can defend against this by:

: Use a WAF to automatically block requests containing known SQL injection patterns. If you are seeing this in your logs,

: Ensure your application uses Prepared Statements to separate user input from the SQL command. If you are seeing this in your logs,

This text is a designed to test for vulnerabilities and extract information from a database. It uses standard SQL injection techniques to bypass filters and query internal system tables. Payload Breakdown If you are seeing this in your logs,

: These functions convert ASCII numeric codes into text characters.

: Restrict search inputs to a reasonable character length and filter out common SQL keywords.

CHAR(121)||CHAR(107)||CHAR(70)||CHAR(106) translates to .