解密ASP原始碼

作者：Eve Cole 更新時間：2009-06-23 17:04:19

從網路上興致沖沖地下載了ASP原始碼,準備學習研究的時候.一開啟檔案,天書般的加密程式碼.很讓人鬱悶吧:(

在網路上是找到了解密的方法,得一個文件挨一個文件地打開,複製,貼上,解密,再複製,再貼上,再保存......

如果一個ASP程式有幾百個檔案???

解決方法來了..

decode.asp

<% @Language="JavaScript" %>
<%

/*
*--------------- decode.asp -----------------
* 功能:遍歷某個目錄下的所有文件,對加密過的.asp文件
* 進行解密,並寫入來源檔案中.
* 實例:單一檔案解密
* Response.Write(DncodeFile(Server.MapPath("conn.asp")));
* 實例:目錄下所有檔案解密.
* DncodeFolderFiles(Server.MapPath("xml"))
* author:wanghr100(灰豆寶寶.net)
* update:2004-5-17 11:31
*--------------- decode.asp -----------------
*/

function DncodeFile(sFilePath)
{
/*
*--------------- DncodeFile(sFilePath) -----------------
* DncodeFile(sFilePath)
* 功能:開啟檔案sFilePath,Encode解密,重寫該檔案.
* 參數:sFilePath,字串,檔案的路徑.
* 返回:sFilePath,檔案的路徑.
* 實例:Response.Write(DncodeFile(Server.MapPath("conn.asp")));
* author:wanghr100(灰豆寶寶.net)
* update:2004-5-17 0:58
*--------------- DncodeFile(sFilePath) -----------------
*/
var ForReading = 1, ForWriting =2, ForAppending =8;
var fso = Server.CreateObject("Scripting.FileSystemObject");
var f = fso.OpenTextFile(sFilePath,ForReading,true);
sFileText = f.ReadAll();
f.Close();
sDncodeText = strdec(sFileText)
var f = fso.OpenTextFile(sFilePath,ForWriting,true);
f.Write(sDncodeText);
f.Close();
//return sDncodeText;
return sFilePath;
}

function GetFilesPath(sFolderPath)
{
/*
*--------------- GetFilesPath(sFolderPath) -----------------
* GetFilesPath(sFolderPath)
*功能:遍歷sFolderPath目錄下的所有檔案.返回陣列.儲存檔案路徑.
* 參數:sFolderPath,字串,目錄絕對路徑.
* 實例:Response.Write(GetFilesPath(Server.MapPath("xml")))
* update:2004-5-12 8:33
* author:wanghr100(灰豆寶寶.net)
*--------------- GetFilesPath(sFolderPath) -----------------
*/
var sFilePath = new Array();
var fso = Server.CreateObject("Scripting.FileSystemObject");
var oFolder = fso.GetFolder(sFolderPath);
var oSubFolders = oFolder.SubFolders;
var oFiles = oFolder.Files;
icount = oFiles.Count;

var enmFiles = new Enumerator(oFiles);
for(;!enmFiles.atEnd();enmFiles.moveNext())
{
sFilePath[sFilePath.length] = enmFiles.item().Path
}

var enmFolders = new Enumerator(oSubFolders);
for(;!enmFolders.atEnd();enmFolders.moveNext())
{
/* Old 數組成了多維. */
//sFilePath[sFilePath.length]=GetFilesPath(enmFolders.item().Path);
/* Add 2004-5-17 11:09 只為一維數組*/
sFilePath=sFilePath.concat(GetFilesPath(enmFolders.item().Path));
}

return sFilePath;

}

function GetFileType(sFileName)
{
/*
*--------------- GetFileType(sFileName) -----------------
* GetFileType(sFileName)
* 功能:透過後綴,取得sFileName的檔案類型.
* 參數:sFileName,字串,檔名.
* 實例:Response.Write(GetFileType("decode.asp"))
* update:2004-5-13 8:33
* author:wanghr100(灰豆寶寶.net)
*--------------- GetFileType(sFileName) -----------------
*/
sFileName = String(sFileName);
return sFileName.split(".")[sFileName.split(".").length-1];
}

/* Start 解密實作:李輝煌Start*/
function screncode(s,l)
{enc=new ActiveXObject("Scripting.Encoder");
return enc.EncodeScriptFile("."+l,s,0,l+"cript");
}

var STATE_COPY_INPUT = 100
var STATE_READLEN = 101
var STATE_DECODE = 102
var STATE_UNESCAPE = 103

var pick_encoding = new Array(
1, 2, 0, 1, 2, 0, 2, 0, 0, 2, 0, 2, 1, 0, 2, 0,
1, 0, 2, 0, 1, 1, 2, 0, 0, 2, 1, 0, 2, 0, 0, 2,
1, 1, 0, 2, 0, 2, 0, 1, 0, 1, 1, 2, 0, 1, 0, 2,
1, 0, 2, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 2
)

var rawData = new Array(
0x64,0x37,0x69, 0x50,0x7E,0x2C, 0x22,0x5A,0x65, 0x4A,0x45,0x72,
0x61,0x3A,0x5B, 0x5E,0x79,0x66, 0x5D,0x59,0x75, 0x5B,0x27,0x4C,
0x42,0x76,0x45, 0x60,0x63,0x76, 0x23,0x62,0x2A, 0x65,0x4D,0x43,
0x5F,0x51,0x33, 0x7E,0x53,0x42, 0x4F,0x52,0x20, 0x52,0x20,0x63,
0x7A,0x26,0x4A, 0x21,0x54,0x5A, 0x46,0x71,0x38, 0x20,0x2B,0x79,
0x26,0x66,0x32, 0x63,0x2A,0x57, 0x2A,0x58,0x6C, 0x76,0x7F,0x2B,
0x47,0x7B,0x46, 0x25,0x30,0x52, 0x2C,0x31,0x4F, 0x29,0x6C,0x3D,
0x69,0x49,0x70, 0x3F,0x3F,0x3F, 0x27,0x78,0x7B, 0x3F,0x3F,0x3F,
0x67,0x5F,0x51, 0x3F,0x3F,0x3F, 0x62,0x29,0x7A, 0x41,0x24,0x7E,
0x5A,0x2F,0x3B, 0x66,0x39,0x47, 0x32,0x33,0x41, 0x73,0x6F,0x77,
0x4D,0x21,0x56, 0x43,0x75,0x5F, 0x71,0x28,0x26, 0x39,0x42,0x78,
0x7C,0x46,0x6E, 0x53,0x4A,0x64, 0x48,0x5C,0x74, 0x31,0x48,0x67,
0x72,0x36,0x7D, 0x6E,0x4B,0x68, 0x70,0x7D,0x35, 0x49,0x5D,0x22,
0x3F,0x6A,0x55, 0x4B,0x50,0x3A, 0x6A,0x69,0x60, 0x2E,0x23,0x6A,
0x7F,0x09,0x71, 0x28,0x70,0x6F, 0x35,0x65,0x49, 0x7D,0x74,0x5C,
0x24,0x2C,0x5D, 0x2D,0x77,0x27, 0x54,0x44,0x59, 0x37,0x3F,0x25,
0x7B,0x6D,0x7C, 0x3D,0x7C,0x23, 0x6C,0x43,0x6D, 0x34,0x38,0x28,
0x6D,0x5E,0x31, 0x4E,0x5B,0x39, 0x2B,0x6E,0x7F, 0x30,0x57,0x36,
0x6F,0x4C,0x54, 0x74,0x34,0x34, 0x6B,0x72,0x62, 0x4C,0x25,0x4E,
0x33,0x56,0x30, 0x56,0x73,0x5E, 0x3A,0x68,0x73, 0x78,0x55,0x09,
0x57,0x47,0x4B, 0x77,0x32,0x61, 0x3B,0x35,0x24, 0x44,0x2E,0x4D,
0x2F,0x64,0x6B, 0x59,0x4F,0x44, 0x45,0x3B,0x21, 0x5C,0x2D,0x37,
0x68,0x41,0x53, 0x36,0x61,0x58, 0x58,0x7A,0x48, 0x79,0x22,0x2E,
0x09,0x60,0x50, 0x75,0x6B,0x2D, 0x38,0x4E,0x29, 0x55,0x3D,0x3F
)

var transformed = new Array()
for (var i=0; i<3; i++) transformed[i] = new Array()
for (var i=31; i<=126; i++) for (var j=0; j<3; j++) transformed[j][rawData[(i-31) * 3 + j]] = (i== 31) ? 9 : i

var digits = new Array()
for (var i=0; i<26; i++)
{
digits["A".charCodeAt(0)+i] = i
digits["a".charCodeAt(0)+i] = i+26
}
for (var i=0; i<10; i++) digits["0".charCodeAt(0)+i] = i+52
digits[0x2b] = 62
digits[0x2f] = 63

function unescape(char)
{
var escapes = "#&!*$"
var escaped = "rn<>@"

if (char.charCodeAt(0) > 126) return char
if (escapes.indexOf(char) != -1) return escaped.substr(escapes.indexOf(char), 1)
return "?"
}

function decodeBase64(string)
{
var val = 0
val += (digits[string.substr(0,1).charCodeAt(0)] << 2)
val += (digits[string.substr(1,1).charCodeAt(0)] >> 4)
val += (digits[string.substr(1,1).charCodeAt(0)] & 0xf) << 12
val += ((digits[string.substr(2,1).charCodeAt(0)] >> 2) << 8)
val += ((digits[string.substr(2,1).charCodeAt(0)] & 0x3) << 22)
val += (digits[string.substr(3,1).charCodeAt(0)] << 16)
return val
}

function strdec(encodingString)
{

var marker = "#@~^"
var stringIndex = 0
var scriptIndex = -1
var unEncodingIndex = 0
var char = null
var encodingLength = unEncodinglength = 0
var state = STATE_COPY_INPUT
var unEncodingString = ""
var re, arr

while(state)
{
switch (state)
{
case (STATE_COPY_INPUT) :
scriptIndex = encodingString.indexOf(marker, stringIndex)
if (scriptIndex != -1)
{
unEncodingString += encodingString.substring(stringIndex, scriptIndex)
scriptIndex += marker.length
state = STATE_READLEN
}
else
{
stringIndex = stringIndex==0 ? 0 : stringIndex
unEncodingString += encodingString.substr(stringIndex, encodingString.length)
state = 0
}
break

case (STATE_READLEN) :
encodingLength = encodingString.substr(scriptIndex, 6)
unEncodinglength = decodeBase64(encodingLength)
scriptIndex += (6 + "==".length)
state = STATE_DECODE
break

case (STATE_DECODE) :
if (!unEncodinglength)
{
stringIndex = scriptIndex + " DQgAAA==^#~@".length
unEncodingIndex = 0
state = STATE_COPY_INPUT
break
}
char = encodingString.substr(scriptIndex, 1)
if (char == "@") state = STATE_UNESCAPE
else
{
if (char.charCodeAt(0) < 0xFF)
{
unEncodingString += String.fromCharCode(transformed[pick_encoding[unEncodingIndex%64]][char.charCodeAt(0)])
unEncodingIndex++
}
else
{
unEncodingString += char
}
scriptIndex++
unEncodinglength--
break
}

case STATE_UNESCAPE:
unEncodingString += unescape(encodingString.substr(++scriptIndex, 1))
scriptIndex++; unEncodinglength -=2
unEncodingIndex++
state = STATE_DECODE
break
}
}

re = new RegExp("(JScript|VBscript).encode", "gmi")
while(arr = re.exec(unEncodingString)) unEncodingString = RegExp.leftContext + RegExp.$1 + RegExp.rightContext
return unEncodingString
}

/* End 解密實作:李輝煌End*/

//取得xml目錄下的所有檔案.解密.
DncodeFolderFiles(Server.MapPath("xml"))
//取得t.asp.解密.
Response.Write(DncodeFile(Server.MapPath("t.asp")))
%>