: This is a SQL comment indicator. It "comments out" the rest of the original legitimate query to prevent syntax errors after the injected part. SQL ORDER BY Keyword - W3Schools
: This part typically aims to close a previous condition or function call in an existing SQL query. {KEYWORD}) ORDER BY 1-- HMpy
The syntax you've provided, {KEYWORD}) ORDER BY 1-- , appears to be a fragment of a . It is often used to test for vulnerabilities by forcing a database to sort results based on the first column of the query's output. Breaking Down the Syntax : This is a SQL comment indicator
: This command tells the database to sort the results using the ordinal position of the columns, specifically the first column in the SELECT list. {KEYWORD}) ORDER BY 1--