{keyword} And 4477=4477 -

: Automated tools often use specific numbers like 4477 to "fingerprint" a site and see how it responds to logical tests.

When a web application is not properly secured, it might take this text and insert it directly into a database query. For example: {KEYWORD} AND 4477=4477

SELECT * FROM products WHERE category = '{KEYWORD} AND 4477=4477'; : Automated tools often use specific numbers like