簡單介紹下功能吧：使用了ASP的一個對象ServerVariables（服務器環境變量），通過這個環境變量可以獲取到真正的下載地址再通過一些簡單的VBS內置函數破壞其真正地址的完整性。達到欺騙下載軟件的功能。現附上源碼提供大家學習。
復制代碼 代碼如下:
% FunctIon DownloadFIle(StrFIle)
StrFIlename=StrFIle
Response.Buffer=True
Response.Clear
Set S=Server.CreateObJect("ADODB.Stream")
S.Open
S.Type=1
on Error Resume Next
Set Fso=Server.CreateObJect("ScrIptIng.FIleSystemObJect")
If Not Fso.FIleExists(StrFIleName) Then
From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))
Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))
If MId(From_Url,8,len(Serv_Url)) > Serv_Url Then
Response.WrIte "該文件不存在或者已經刪除."
Response.End
End If
Response.RedIrect Request.ServerVarIables("HTTP_REFERER")
Response.End
End If
FileExt=MId(StrFIlename,InStrRev(StrFIleName, ".")+1)
Select Case UCase(FIleExt)
Case "ASP", "ASA", "ASPX", "ASAX", "MDB", "PHP", "JSP", "SHTML", "HTML", "HTM", "TV", "DATA"
From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))
Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))
If MId(From_Url,8,len(Serv_Url)) > Serv_Url Then
Response.WrIte "該文件不存在或者已經刪除."
Response.End
End If
Response.RedIrect Request.ServerVarIables("HTTP_REFERER")
Response.End
End Select
Set F=Fso.GetFIle(StrFIlename)
IntFIlelength=F.SIze
s.LoadFromFIle(StrFIlename)
If Err Then
From_Url=Cstr(Request.ServerVarIables("HTTP_REFERER"))
Serv_Url=Cstr(Request.ServerVarIables("SERVER_NAME"))
If MId(From_Url,8,len(Serv_Url)) > Serv_Url Then
Response.WrIte "該文件數據不完整或許已損壞."
Response.End
End If
Response.RedIrect Request.ServerVarIables("HTTP_REFERER")
Response.End
End If
Set Upload=Server.CreateObJect("PersIts.Upload")
If Upload Is Nothing Then
Response.AddHeader "Content-DIsposItIon","attachment; FIlename="F.Name
Response.AddHeader "Content-Length",IntFilelength
Response.CharSet="UTF-8"
Response.ContentType="application/x-download"
Response.BinaryWrite S.Read
Response.Flush
S.Close
Set s=NothIng
Else
Upload.SendBinary StrFIlename,True,"application/x-download",False
End If
End FunctIon
%>
使用：%Call DownloadFIle("DownloadFIle")%>。
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