When a standard SQL injection fails to return data directly, attackers use a strategy. The command WAITFOR DELAY '0:0:5' tells a Microsoft SQL Server (MSSQL) to halt execution for exactly five seconds. The "story" of the attack unfolds as follows:
: The attacker injects a conditional query, such as: "If the first letter of the admin password is 'A', wait 5 seconds". {KEYWORD} WAITFOR DELAY '0:0:5'
: By repeating this thousands of times for every character in every table, an automated tool like SQLMap can reconstruct entire databases character by character. Why This Specific Payload? Blind SQL Injection | OWASP Foundation When a standard SQL injection fails to return
: If the server takes 5 seconds to respond, the condition is true . : By repeating this thousands of times for
: If the server responds immediately, the condition is false .
A "story" involving the KEYWORD WAITFOR DELAY '0:0:5' command is typically a technical narrative about . In this scenario, an attacker uses time-based delays to "interview" a database that doesn't provide visible error messages or data output. The Plot: How Time-Based SQLi Works
: The attacker monitors the server's response time.