From Dual-- | {keyword};select Dbms_pipe.receive_message(chr(108)||chr(98)||chr(116)||chr(86),5)

: This is an obfuscated way of writing the string "lbtV." Attackers use CHR() codes to bypass simple security filters that look for specific words [5]. ,5 : This tells the database to wait for 5 seconds [2].

: This is likely a placeholder where a legitimate search term or data value would normally go. : This is an obfuscated way of writing the string "lbtV

Use "allow-lists" to ensure only expected characters (like letters and numbers) are accepted [7]. specifically a time-based blind injection [1

It looks like you've shared a snippet of code designed for an attack, specifically a time-based blind injection [1, 2]. Technical Breakdown 2]. Technical Breakdown