Added tSQL-specific injection string

Leverages built in sproc to drop all tables, instead of guessing a table name;

blns.txt

@@ -586,6 +586,7 @@ http://a/%%30%30
 1'; DROP TABLE users-- 1
 ' OR 1=1 -- 1
 ' OR '1'='1
+'; EXEC sp_MSForEachTable 'DROP TABLE ?'; --
  
 %
 _
@@ -729,4 +730,4 @@ Powerلُلُصّبُلُلصّبُررً ॣ ॣh ॣ ॣ冗
 #
 # This is a four characters string which includes Persian special characters (گچپژ)
 
-گچپژ
+گچپژ