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mysql - SQL Injection attack - What does this do? - Stack Overflow

stackoverflow.com

The COUNT(*) and GROUP BY parts are necessary to provoke the error in MySQL: > SELECT COUNT(*),FLOOR(RAND(0)*2)x FROM information_schema.tables GROUP BY x; ERROR 1062 (23000): Duplicate entry '1' for key 'group_key'.

The SQL Injection Knowledge Base

websec.ca

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))).

SQL Инъекции | Page 9 | ANTICHAT - Security online community

forum.antichat.ru

INFORMATION_SCHEMA.PLUGINS GROUP BY x)a).

Ask TOM "Getting multiple counts with a union"

asktom.oracle.com

select sum(cnt) from (select count(value_x) cnt from table_a. UNION ALL.

9785073' or (select 1 from (select count(*), concat...

www.antoloji.com

Şair Fdsfa Fdsa Fsdf isimli şaire ait 9785073' or (select 1 from (select count(*),concat((0x574352575653),0x5E,floor(rand(0)*2)) x from information_schema.tables group by x)a) or ' adlı şiiri okumak için bu sayfayı ziyaret edebilirsiniz.

Templates) AND(SELECT 1 FROM(SELECT COUNT(*), CONCAT...

wiki.fanfou.com

...(SELECT COUNT(*),CONCAT((SELECT (SELECT CONCAT(0x5e5e5e,unhex(Hex(cast(database() as char))),0x5e5e5e)) FROM INFORMATION_SCHEMA.TABLES LIMIT 0,1),floor(rand(0)*2))x FROM INFORMATION_SCHEMA.TABLES GROUP BY.

Шпаргалка по SQL инъекциям | DefconRU

defcon.ru

Синтаксис: 0xHEX_ЧИСЛО (SM): SELECT CHAR(0x66) (S) SELECT 0x5045 (это не число, а строка) (M) SELECT 0x50 + 0x45 (теперь это число) (M)

MySQL 8.0 Reference Manual :: 12.20.1 Aggregate (GROUP BY)...

dev.mysql.com

InnoDB processes SELECT COUNT(*) statements by traversing the smallest available secondary index unless an index or optimizer hint directs the optimizer to use a different index.

25 примеров команды SELECT в MySQL | ИТ Блог.

andreyex.ru

Основное использование команды SELECT является просмотр строк из таблицы. Ниже приведен пример команды SELECT, где будет отображать все

Хитрости count() в SQL: m_ivanov — ЖЖ

m-ivanov.livejournal.com

Функция count(), если с ней правильно обращаться, может творить маленькие чудеса. Допустим, есть таблица usr с платежами клиентов, хранящая идентификаторы клинтов и суммы платежей: ID PRICE 1 1 1 2 1 3 2 1 2 2 2 3 Нужно посчитать, сколько платежей выполнил каждый клиент.

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"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
"><script >alert(string.fromcharcode(88,83,83))</script>|xss|[kz] kazakstan|08/18/2020 17:41:56|') and 1=1 union all select 1,null,'<script>alert("xss")</script>',table_name from information_schema.tables where 2>1--/**/; exec xp_cmdshell('cat ../../../et
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 6908=(select (case when (6908=2550) then 6908 else (select 2550 union select 3456) end))-- hbpi
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- alwt
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 3956=(select (case when (3956=2163) then 3956 else (select 2163 union select 4524) end))-- hzxq
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b" and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- gyij
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b") and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- wian
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b") and 9729=(select (case when (9729=1260) then 9729 else (select 1260 union select 2140) end))-- gehw
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b%' and 7992=(select (case when (7992=7992) then 7992 else (select 8669 union select 1998) end))-- hgjf
%u0431%u0438%u043f%u044d%u043a %u0430%u0432%u0442%u043e %u043a%u043e%u0441%u0442%u0430%u043d%u0430%u0439 %u0446%u0435%u043d%u044b%' and 9901=(select (case when (9901=7115) then 9901 else (select 7115 union select 6880) end))-- pffb

999999.9" /union/all /select /**/and/**/(select/**/2098/**/from(select/**/count(*),concat(0x716a766b71,(select/**/(elt(2098=2098,1))),0x717a787671,floor(rand(0)*2))x/**/from/**/information_schema.plugins/**/group/**/by/**/x)a)/cast(0x39313335313435363 на YouTube:

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