Ensure your application uses parameterized queries or prepared statements to prevent these characters from being executed as commands. You should also check your logs for any successful responses containing the string LBzNMMwdaChxayPTeQETdoUpXSqDSedwqCWKLDNE , which would indicate a successful breach.
If this string was found in your server logs or application inputs, it indicates that an was performed against your system. It is a signature of a tool checking if it can "reflect" data back to itself through your database. preventing syntax errors.
: A comment marker that tells the database to ignore the rest of the original query, preventing syntax errors. preventing syntax errors.