我爱电脑技术论坛 » 编程语言 » 如何解密加密的ASP源代码

炼域人生 发表于 2008-4-26 00:50

如何解密加密的ASP源代码

从网上兴致冲冲地下载了ASP源代码,准备学习研究的时候.一打开文件,天书般的加密代码.很让人郁闷吧 :(
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Tz@3Aj z6S@)Y 在网上是找到了解密的方法,得一个文件挨一个文件地打开,复制,粘贴,解密,再复制,再粘贴,再保存......2m z_!Y)@_I
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如果一个ASP程序有几百个文件???tn%@KOMl

'~H?*k;V$H$wB$k!s{L 解决办法来了../~$[PyJ BI4?

3C1TR%EVl*pBK decode.asp[r:K(k*E.br#?P;?

zc\A'kb&^ <% @Language="javascript" %>]+X.Q[h&yQ8?)VlO.vk
<%
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/*
$FIEF\8\
}g,M *--------------- decode.asp -----------------
7h3W T m5jaY * 功能:遍历某个目录下的所有文件,对加密过的.asp文件9x:sxq6H8_t
*      进行解密,并写入源文件中.1dL3C/P)]B%aF
* 实例:单个文件解密
D]YG8l * Response.Write(DncodeFile(Server.MapPath("conn.asp")));$K'o$y lSzp$b/hP
* 实例:目录下所有文件解密.
"\Bf,Ie&m t * DncodeFolderFiles(Server.MapPath("xml"))
VMEFV2t9w * author:wanghr100(灰豆宝宝.net)#^CT*t$\0t
* update:2004-5-17 11:31fr,~v$qWJQ
*--------------- decode.asp ------------------cRO%sZ#s
*/
0cT*o}2j?
8LU&_"A;s\TV^ function DncodeFile(sFilePath)
6FgL}k {
7];Yw eAX!M#Dt /*
M2sm'?%w^@6_*P"^ *--------------- DncodeFile(sFilePath) -----------------
0@~J4y5jaJyn_ * DncodeFile(sFilePath)
-|a0|2i$t ld"sVw * 功能:打开文件sFilePath,Encode解密,重写该文件.,z(I F~qdB/F[-q
* 参数:sFilePath,字符串,文件的路径.
*C_Fu I/wsI8NI * 返回:sFilePath,文件的路径.
OqYB)k n;E
~3U6z * 实例:Response.Write(DncodeFile(Server.MapPath("conn.asp")));*oQ ru9S^-w
* author:wanghr100(灰豆宝宝.net)
2Pf{4bo1|:?T+oM * update:2004-5-17 0:58*s0bO'r#|
*--------------- DncodeFile(sFilePath) -----------------
fK0J{8F!E/A */
\O%I?t||Iu     var ForReading = 1, ForWriting =2, ForAppending =8;
R\!e9~4c
P`O1o     var fso = Server.CreateObject("Scripting.FileSystemObject");
)qi'Fwlk&B6I     var f = fso.OpenTextFile(sFilePath,ForReading,true);
VL0Z%T8P     sFileText = f.ReadAll();
2N|!S*_t0H-~6kUN     f.Close();
)OSN6NQ{     sDncodeText = strdec(sFileText)L~y0ov/A3N+^0co
    var f = fso.OpenTextFile(sFilePath,ForWriting,true);*J.Y}/mzZ^
    f.Write(sDncodeText);
(}h${,yRE2T.|$r e     f.Close();
Ir"k*{h V"H pU     //return sDncodeText;e9K F0}d$DkZ+{
    return sFilePath;
9ObKd jr }3VHI\Ui3^m2HK

s.l6Hs\1O^`w function GetFilesPath(sFolderPath)
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/* B6s*Q-r0E/@?2`'q5b
*--------------- GetFilesPath(sFolderPath) -----------------+H.jfQ)~s!jkVq
* GetFilesPath(sFolderPath)
A-D]o9SjsRP * 功能:遍历sFolderPath目录下的所有文件.返回数组.存储文件路径.
^p)mK1rT0ziQ * 参数:sFolderPath,字符串,目录绝对路径.
0e+njc:j(O2k2{6b * 实例:Response.Write(GetFilesPath(Server.MapPath("xml")))
5TI9r t-c:z0p4n S * update:2004-5-12 8:33 Z[@N(W
* author:wanghr100(灰豆宝宝.net)
ts6P?s ~6};_&mK *--------------- GetFilesPath(sFolderPath) -----------------6t-IC1aO
*/
.OGnQkr%I:MU1Z9s     var sFilePath = new Array();
,u0yK9@ x2t
^ |     var fso = Server.CreateObject("Scripting.FileSystemObject");
3gK%c |2mK_     var oFolder = fso.GetFolder(sFolderPath);2^N1Tj| W~,[
    var oSubFolders = oFolder.SubFolders;C;T*FpvCcJ{ GI
    var oFiles = oFolder.Files;
!EwW ["nO     icount = oFiles.Count;
/Lnp:X3g:X%T 2Ka!b*^O9F2ZE9V,H
    var enmFiles = new Enumerator(oFiles);
|vd8S)C'H0|-V     for(;!enmFiles.atEnd();enmFiles.moveNext())
OfM \'^%];H     {
.f,Ja4ta0byNo ae[         sFilePath = enmFiles.item().Path2v3l!ypfBV;Zq
    }$Ehmpn"Si&N

#m"vvm7u3r1l_     var enmFolders = new Enumerator(oSubFolders);
R7P0O+ya'm
    for(;!enmFolders.atEnd();enmFolders.moveNext())'U0C ZsF1rX
    {5I/\f+Y/z6jI7t*R)x s%VB
        /* Old 数组成了多维. */
2t&R MN9~%H%R`K         //sFilePath=GetFilesPath(enmFolders.item().Path);
F!{uZ)F0i'd%]/O         /* Add 2004-5-17 11:09 只为一维数组 */"I2I#e+`o@1A;Tu-YrF
        sFilePath=sFilePath.concat(GetFilesPath(enmFolders.item().Path));
EN:DtC     }0E4RcL3n\

XpPD+uI\"vi     return sFilePath;D{c+c9c)x g3_

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U-kAQEd }
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m'g;B&`
A{#tB function GetFileType(sFileName)%C%m#C(u/h
{QL8@.B7V4x
/*
[JOc!w$Cg"^ *--------------- GetFileType(sFileName) ----------------- Fr;F,e7N_ t sO
* GetFileType(sFileName)
RSIt_D2A,U * 功能:通过后缀,取得sFileName的文件类型.
y`!^&q&mb)Z^h * 参数:sFileName,字符串,文件名.
p-}$]6kNZ \f(D * 实例:Response.Write(GetFileType("decode.asp"))/P.Y:BGna!m$pB
* update:2004-5-13 8:33
]g6D,k$Z S * author:wanghr100(灰豆宝宝.net)
k)u p:Ybd+w-N \#X *--------------- GetFileType(sFileName) ----------------- Pt-T3\3Mj.FL:d
*/3KlU6j6{G?mW
    sFileName = String(sFileName);
\.J9X.n}&y*mG9P     return sFileName.split(".");.t j L!M t_
}
.[bM$d6`6V-~1z&v/A ip;Q[-PE
1W;yI$X/c
/* Start 解密实现:李辉煌 Start*/0?~;Veo5p zJ
function screncode(s,l)
l
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p I {enc=new ActiveXObject("Scripting.Encoder");
,[hym
V/T6['p return enc.EncodeScriptFile("."+l,s,0,l+"cript");`-b'@ ]k8~
}
?/R*y0ok -E0P0kVy'n_\2cw
_ [l7_O![*hnS
    var STATE_COPY_INPUT        = 100)j:@Yj3^
    var STATE_READLEN       = 101
~[,dVxV} kw{3I     var STATE_DECODE        = 102/mU5[G;D#P
    var STATE_UNESCAPE      = 1035PX)@6D/I{1^R
:ZMHu0Ax(S`*m2|*Z:]
    var pick_encoding = new Array( ?my^rn
        1, 2, 0, 1, 2, 0, 2, 0, 0, 2, 0, 2, 1, 0, 2, 0,3B8t!f-Zp
        1, 0, 2, 0, 1, 1, 2, 0, 0, 2, 1, 0, 2, 0, 0, 2,
Z(D)E3uVT#V         1, 1, 0, 2, 0, 2, 0, 1, 0, 1, 1, 2, 0, 1, 0, 2,"DMOF|J0@ I
        1, 0, 2, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 2+c"k
CS8q9?xQ$i
    )x6RMD(CLPMOc

m UN Gu7hxvv     var rawData = new Array(
G^j \^ D#Ci2R         0x64,0x37,0x69, 0x50,0x7E,0x2C, 0x22,0x5A,0x65, 0x4A,0x45,0x72,
V,UXgD(nK;Y         0x61,0x3A,0x5B, 0x5E,0x79,0x66, 0x5D,0x59,0x75, 0x5B,0x27,0x4C,
\
]|Q&A,Fu*W L         0x42,0x76,0x45, 0x60,0x63,0x76, 0x23,0x62,0x2A, 0x65,0x4D,0x43,jv-A
`6`'_`2^
        0x5F,0x51,0x33, 0x7E,0x53,0x42, 0x4F,0x52,0x20, 0x52,0x20,0x63,
]6oe5~kG(t;F$IX         0x7A,0x26,0x4A, 0x21,0x54,0x5A, 0x46,0x71,0x38, 0x20,0x2B,0x79,
"E#_ vj,jO         0x26,0x66,0x32, 0x63,0x2A,0x57, 0x2A,0x58,0x6C, 0x76,0x7F,0x2B,
;O:c9G,p6[0v p
[+V         0x47,0x7B,0x46, 0x25,0x30,0x52, 0x2C,0x31,0x4F, 0x29,0x6C,0x3D,
CRM ~ t         0x69,0x49,0x70, 0x3F,0x3F,0x3F, 0x27,0x78,0x7B, 0x3F,0x3F,0x3F,a2@_T5l |I3HVDi
        0x67,0x5F,0x51, 0x3F,0x3F,0x3F, 0x62,0x29,0x7A, 0x41,0x24,0x7E,-Te"G
fSp
        0x5A,0x2F,0x3B, 0x66,0x39,0x47, 0x32,0x33,0x41, 0x73,0x6F,0x77,
w F3T!Jq6T         0x4D,0x21,0x56, 0x43,0x75,0x5F, 0x71,0x28,0x26, 0x39,0x42,0x78,l1cYs,y,|NR!Z~
        0x7C,0x46,0x6E, 0x53,0x4A,0x64, 0x48,0x5C,0x74, 0x31,0x48,0x67, EAAqdrA
K
        0x72,0x36,0x7D, 0x6E,0x4B,0x68, 0x70,0x7D,0x35, 0x49,0x5D,0x22,6{4@Y4U^;ia$K
        0x3F,0x6A,0x55, 0x4B,0x50,0x3A, 0x6A,0x69,0x60, 0x2E,0x23,0x6A,
jK0ZW"T!wZn?.d         0x7F,0x09,0x71, 0x28,0x70,0x6F, 0x35,0x65,0x49, 0x7D,0x74,0x5C, {3H Wg%i$k h4v]^/t
        0x24,0x2C,0x5D, 0x2D,0x77,0x27, 0x54,0x44,0x59, 0x37,0x3F,0x25,
$B1N0qk%m0ZA         0x7B,0x6D,0x7C, 0x3D,0x7C,0x23, 0x6C,0x43,0x6D, 0x34,0x38,0x28,
w"P2r7g^"{"Hb1R8FNZ         0x6D,0x5E,0x31, 0x4E,0x5B,0x39, 0x2B,0x6E,0x7F, 0x30,0x57,0x36,O5[+iqE#S;Iose-t
        0x6F,0x4C,0x54, 0x74,0x34,0x34, 0x6B,0x72,0x62, 0x4C,0x25,0x4E,
8N;x3qJ9L.sUz         0x33,0x56,0x30, 0x56,0x73,0x5E, 0x3A,0x68,0x73, 0x78,0x55,0x09,
2B4wpb5OW%khlI         0x57,0x47,0x4B, 0x77,0x32,0x61, 0x3B,0x35,0x24, 0x44,0x2E,0x4D,
j$a+y4h$u5p         0x2F,0x64,0x6B, 0x59,0x4F,0x44, 0x45,0x3B,0x21, 0x5C,0x2D,0x37,
cpqa LU         0x68,0x41,0x53, 0x36,0x61,0x58, 0x58,0x7A,0x48, 0x79,0x22,0x2E,
[$P9p3gO*c i         0x09,0x60,0x50, 0x75,0x6B,0x2D, 0x38,0x4E,0x29, 0x55,0x3D,0x3F`!~#a4_7?{
    )
UP/k3JO3dF@C$|i )~+V7m;{^@z:zCO4i
    var transformed = new Array()*e5a"WVF/cqvuB
    for (var i=0; i<3; i++) transformed = new Array()
%D0Wq"gvt     for (var i=31; i<=126; i++) for (var j=0; j<3; j++) transformed = (i==31) ? 9 : i9?:q2yG~p3sN"A
   
]6q pm
bP;c d9ky     var digits = new Array()|S-{u|v
    for (var i=0; i<26; i++)Aq&fQ5e
    {
i[pQ P+A!m         digits = i
Z2WN k N/}F         digits = i+26!OP&wO PukA
    }
rKJ0f#P#Y\c3vM     for (var i=0; i<10; i++)    digits = i+52
!J5Qr-a Q;VE     digits = 62
I*Y,Ec;F'oz     digits = 63pX UsK9j3X;a(t
+r.SQ!E*`-T9D
    function unescape(char)[/kPx*Ko2N#PM
    { F @4t-xo p
        var escapes = "#&!*$"
9b6TY/A!|F8Q-g         var escaped = "\\r\\n<>@"
'^cM"k9_r 'm(~
?ZRu'Z3Czy
        if (char.charCodeAt(0) > 126)   return char${~S0n U @:R
        if (escapes.indexOf(char) != -1)    return escaped.substr(escapes.indexOf(char), 1)
$TT-tX k4Awf         return "?"
h-I^&j%n     }B.i[b.O/E'e+`'VL
   
kB
E|ZdB#~     function decodeBase64(string)X+YnbU;v
    {~tK|,g V
        var val = 02H4X dwsX6_
        val +=  (digits << 2)
8BTa)HHsp         val +=  (digits >> 4)#m _q`;n(}
        val +=  (digits & 0xf) << 12V(A#d[d+c hW'E
        val += ((digits >> 2) << 8)O_dsL@2u
        val += ((digits & 0x3) << 22)
`a&n{lkj nc         val +=  (digits << 16)
jDA#M-bO Z,wL         return val
&R0M;\]hu3fUAg5N     }|)a7dd$Eqy}
1CZU!}x+HW"sR i
    function strdec(encodingString) j^{+{(Q
] Wu:ci"D
    {5~
O(oJ uxil
        "V6X"QP(S"m&py
        var marker = "#@~^"k/Wf%j
M}+r/zH
        var stringIndex = 0
n2{eu9qe
r         var scriptIndex = -1
)K0vA&}ch         var unEncodingIndex = 0
!f']#K3D|,H$?o         var char = null:A mu3a p*u
        var encodingLength = unEncodinglength = 0
8qdM/p|a
F         var state = STATE_COPY_INPUT0b bzP ] V$m6n
        var unEncodingString = ""
t9Qzp Lx%g         var re, arrJXlhiip'_Q'|
        
e"A@z}+@!O2o         while(state)
iXW%d'u-ui         {os!i^qHtM)q m
            switch (state)
TQ0}k f!r n:UK.w             {Y,z)c/^&L[5T5e0g
                case (STATE_COPY_INPUT) :
)c[9}YfK,W!b.Y                     scriptIndex = encodingString.indexOf(marker, stringIndex)s+W2JkZu6}
                    if (scriptIndex != -1)
!T&Q xK'MuLW5o                     {^;vCd)F(r5{7]
                        unEncodingString += encodingString.substring(stringIndex, scriptIndex)
4Q!k'y*G/Cd&NA(c                         scriptIndex += marker.length
(T`W Cqrl                         state = STATE_READLENOb|W9C
                    }8[0_8\+p!t/l
                    else
K6d(yu EeZ?                     {7`Fu1p:c$n
                        stringIndex = stringIndex==0 ? 0 : stringIndex(VH-mLS'@ m0t
                        unEncodingString += encodingString.substr(stringIndex, encodingString.length)u_ ~'H:O/Vy(N
                        state = 0/B$A]o*{
                    }6\Ewv Qhr%[~
                    break0N*H6vEsDk
               
xD E(e6We T4|l w A                 case (STATE_READLEN)    :
yuN-dFz9y*`.v/^                     encodingLength = encodingString.substr(scriptIndex, 6)
8I4dBuu&s                     unEncodinglength = decodeBase64(encodingLength)
8?E
dA8Z$t7lY6Xo                     scriptIndex += (6 + "==".length)
:zI!f(I"XiF                     state = STATE_DECODEM:F[,w*R\9y7[U(Z
                    breakdHWS7I'JT
                    
J'iv.{D!iB                 case (STATE_DECODE) :
-\|ryC)~r;Eb                     if (!unEncodinglength)
)o*I?{QkS                     {|!C{2o&@ n
                        stringIndex = scriptIndex + "DQgAAA==^#~@".length2wITbh9oD*V
                        unEncodingIndex = 0J/S+m6f2hC:k,@
                        state = STATE_COPY_INPUT
9vbHPOw,B!}                         break@n)WK;tS!rd9T
                    }
\PzjYQ                     char = encodingString.substr(scriptIndex, 1)
,u)YqmRc                     if (char == "@")    state = STATE_UNESCAPE
^h.]4Nog,c.`F                     else
8Y7t'}%u\~                     {|BxB1[ [/T^(Jbl-n
K
                        if (char.charCodeAt(0) < 0xFF)
s5t5s x2[B                         {
`p*tP(u+rJ                             unEncodingString += String.fromCharCode(transformed)y(e
g.G)YE.b
                            unEncodingIndex++?o\[Xun
                        }
M$F7}g
| E                         elsemw,??E6Sf
                        {dn8u X+}*s{#[J
                            unEncodingString += char
g7ld"[&XC1OI _ l                         }                       
Qb%QL yk`V*o+R                         scriptIndex++
"EM-N:k(A k                         unEncodinglength--
Gn~ j
v*D}m B                         break
[J0d&Db                     }

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