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当你在浏览网页时,看到一个很漂亮的特效,你查看源代码时看到的是一队乱码,那多扫兴呀!根据本人的研究,总结出了三种解密方法,与大家分享!!
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' ]# I1 N+ F, X# {4 C6 _方法一:- B( K( H/ H: R4 F$ N, ]
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有一种加密的办法是采用javascript的escape()函数,把某些符号、汉字等变成乱码,以达到迷惑人的目的。解密这种代码的办法是采用其反函数加以还原。下面是一个经过加密的例子:# I& i: L1 J' `7 B# k6 ?
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<HTML>
! }9 \$ m+ j- z# v1 p2 J<SCRIPT LANGUAGE="javascript">* m6 F5 x( V% R9 |0 N5 D
var Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"
4 G* r7 e$ u: Z K7 avar NewWords;' g3 C1 N d# B' [0 ]3 G2 h
NewWords = unescape(Words);
+ b! p3 L4 b1 ]1 @# Jdocument.write(NewWords)
6 F/ B& m8 s% O: k</SCRIPT>7 z0 \, i5 G9 F! r
<BODY> T+ v" v6 D+ N3 L5 E& G. F% T
</BODY># a( B; U! L8 O& R4 ~! O) w3 ?
</HTML>- U' B9 A, K5 l/ e! _5 _1 a6 g
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这种文件最好解密,一看就明白,关键是unescape()函数起了还原源代码的作用。要想看到加密前的代码是什么样子,可以用下面的办法:
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<HTML><SCRIPT LANGUAGE="javascript">
! X# Z2 T! e; ivar Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"
1 p; ]: C# E: Y: [. rvar NewWords;
- D3 p Q, ?, F6 L' l a! SNewWords = unescape(Words);- n4 u3 F5 K) R
NewWords=NewWords.toString();% g, |& b' X7 }1 }
function password(){
- L+ E" E; V+ A9 K$ M; ndocument.pw.txtpw.value=NewWords;
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</SCRIPT>9 J3 R. M8 J' P% J" U
<BODY>) ?% U. i% a; z/ {
<form name=pw>0 J( e, y" q+ N$ l. C( Z' T
<input type=button onclick="password()" value="解密">2 t+ z6 h. Z8 N
<br>
9 p$ z- C0 B" F/ V( X<textarea name="txtpw" cols="100" rows="100"></textarea>- j, V9 h3 Y" P' t* l9 U
</form>3 P8 \) B- o/ J6 P
</BODY>
2 x z0 J7 ?9 @3 j$ W6 ]) }</HTML>
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方法二:! a( }& r1 R* B9 A) n, \4 w
! x8 W6 y- I y8 R1 h 有一个软件叫HTMLEncrypt.exe,它就是把源代码进行加密的软件,这个软件的加密的原理是把字符转换成Unicode代码。下面的例子是一个分帧的页面:
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<html><head><script>4 |/ {. @0 e3 Z5 t- M7 F, U
function Carbosoft( s ) { var sRet=""; for(j=0; j< s.length; j++ ){ var n= s.charCodeAt(j); if (n>=8364) {n = 128;} sRet += String.fromCharCode( n - 3 ); } return( sRet ); }
1 F p1 [6 Z7 h. pvar sJsCmds ="" +. q. N) x) D+ }' @( N
"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr0;;8<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +/ d% b3 U) n: ]: y" F g% \
"";- x6 {6 }# I) N" a9 G" d
var s= Carbosoft( sJsCmds);
$ g6 _* [8 `7 m6 @ s% N5 U" Adocument.write (s);0 p- E5 ?2 i9 c" Q
</script>: ~( g7 T; f! l2 P' _
</head><body></body></html>- A' V- ^$ e2 h- k" X
* U2 w% w: ^+ ^$ l( H' w 从上面可以看出,浏览器解释这写代码前,进行了还原,从而可以得到破解的方法如下:
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<script>
2 x( t: F& A Afunction Carbosoft( s ) { var sRet=""; for(j=0; j< s.length; j++ ){ var n= s.charCodeAt(j); if (n>=8364) {n = 128;} sRet += String.fromCharCode( n - 3 ); } return( sRet ); }/ X3 [% p$ n" t% R$ G, q
var sJsCmds ="" +
$ W# h# [4 z2 Z0 K$ t"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr0;;8<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +
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var s= Carbosoft( sJsCmds);. B5 M4 U5 X1 D
</script>
: V( f, ?. Q' F* J d/ ]: j<form name=qq># y$ a2 U" ]1 w' v7 n; e# x7 z
<textarea name=ww cols=100 rows=10></textarea>
6 @: z: N: a* `4 M; ?! J9 a<input onclick='ww.value=s' type=button value="解密">
0 K1 j% }: k( o, J</form>
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% J9 r2 q+ J J0 v- W; O方法三:
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/ j0 b. F9 A5 S2 n0 g 有一种加密方法是每行单独加密,还原起来比较复杂。看一个加密过的原文:1 u* G+ @+ Z8 h' }8 U* ^ Q' K
4 T7 Z" A1 K Q& n<HTML>
8 A9 P# {/ ~% D$ |# n5 ?<BODY>
. L- @# ?3 k$ c9 Y" _<SCRIPT LANGUAGE="javascript">7 Z/ {4 o- ~8 q' N
function Decode() {' W z/ U/ }4 R1 h- k7 Y3 o( |
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}1 g3 o; Q. \; t2 i3 Q
</SCRIPT>
, a5 c1 [9 Z, K' c. \<SCRIPT LANGUAGE="javascript">- i$ s: J6 M8 v; s& x4 ~
function d (enc) {document.write(codeIt(key,enc));}
5 n. @6 @ P9 K( q; Yvar key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}
" [& J, E/ D ]$ `7 u% H</SCRIPT>/ V# ^# D1 `* L# Y% X/ K& ?
<SCRIPT LANGUAGE="javascript">+ U) c9 l2 }1 E2 } M$ p
Decode();
5 P/ k) k/ B* T+ D/ z' L</SCRIPT>
9 {+ I+ H0 C1 L0 j3 G</BODY>
- r9 L+ M. F: _3 k</HTML>
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还原的时候,也必须每行单独解密,用下面的方法可以看到源代码:# J6 Q$ n0 V* `) \5 p9 t g
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<HTML>
% Z' @- D) v5 s: D* G# a. l [6 ?<BODY>0 Z6 U1 U' H5 E; I$ ~* I
<SCRIPT LANGUAGE="javascript">
) y0 a- V" ?5 m, @6 v/ Bfunction Decode() {9 G2 G, k9 O# W) a" C
d("FrfmnD");d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD");d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD");d("FfqfnuDejFIfqfnuD");d("FIruyvD");d("FxkvaD");d("FIxkvaD");d("FIrfmnD");d("W");return 0;}9 T% Q' T+ t$ J9 ^
</SCRIPT>2 R" e) c k6 N
<SCRIPT LANGUAGE="javascript">
9 I0 l0 f' m! e: afunction d (enc) {alert(codeIt(key,enc));}
/ X4 X5 D- w' }, T7 Uvar key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:;<=>?@[\\]^_\t\`{}~\n";function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dv;for (var x = 0; x < eS.length; x++) { wTG = mC.indexOf(eS.charAt(x));if (wTG > mcH) {dv = wTG - mcH; nS = nS + mC.charAt(48 - dv);}else {dv = mcH - wTG;nS = nS + mC.charAt(48 + dv);}}return nS;}$ Y0 ? ?. E9 z: U
</SCRIPT>* r+ m7 J6 P6 l7 {' f! O
<SCRIPT LANGUAGE="javascript">2 C& @+ J$ j' k; t c! {. h. F* M
Decode();
6 w* ]# E# u& ?) A( P$ d</SCRIPT>) c, s1 O7 a$ [( O2 f
</BODY>
3 n Z% N) V1 A( m+ x6 V8 h: u</HTML>/ o A% k# n9 D# C9 i
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哈哈!!:=)是不是很精彩!! |
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