internal static void send_request(byte[] client_random, byte[] rsa_data, byte[] username, byte[] host) { int num = 0x80; int num2 = (username.Length == 0) ? 0 : (username.Length + 1); int num3 = (host.Length == 0) ? 0 : (host.Length + 1); int num4 = (0x80 + num2) + num3; RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian32(num); packet.WriteByte(0x13); packet.WriteByte(2); packet.WriteLittleEndian16((short)num4); packet.WriteLittleEndian32(1); packet.WriteLittleEndianU32(0xff010000); packet.Write(client_random, 0, 0x20); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)(RDPClient.modulus_size + 8)); packet.Write(rsa_data, 0, RDPClient.modulus_size); packet.Position += 8L; packet.WriteLittleEndian16((short)15); packet.WriteLittleEndian16((short)num2); if (num2 != 0) { packet.Write(username, 0, num2 - 1); packet.WriteByte(0); } packet.WriteLittleEndian16((short)0x10); packet.WriteLittleEndian16((short)num3); if (num3 != 0) { packet.Write(host, 0, num3 - 1); packet.WriteByte(0); } IsoLayer.SendMCS(packet, MCS.MSC_GLOBAL_CHANNEL); }
private static RdpPacket getLoginInfo(string domain, string username, string password, string command, string directory, bool bAutoReconnect) { int num = 2 * "127.0.0.1".Length; int num2 = 2 * @"C:\WINNT\System32\mstscax.dll".Length; int num1 = _p; int num3 = 2 * domain.Length; int num4 = 2 * username.Length; int num5 = 2 * password.Length; int num6 = 2 * command.Length; int num7 = 2 * directory.Length; RdpPacket packet = new RdpPacket(); int num8 = 0x213b; packet.WriteLittleEndian32(0); packet.WriteLittleEndian32(num8); packet.WriteLittleEndian16((short)num3); packet.WriteLittleEndian16((short)num4); if ((num8 & 8) != 0) { packet.WriteLittleEndian16((short)num5); } else { packet.WriteLittleEndian16((short)0); } packet.WriteLittleEndian16((short)num6); packet.WriteLittleEndian16((short)num7); if (0 < num3) { packet.WriteUnicodeString(domain); } else { packet.WriteLittleEndian16((short)0); } packet.WriteUnicodeString(username); if ((num8 & 8) != 0) { packet.WriteUnicodeString(password); } else { packet.WriteLittleEndian16((short)0); } if (0 < num6) { packet.WriteUnicodeString(command); } else { packet.WriteLittleEndian16((short)0); } if (0 < num7) { packet.WriteUnicodeString(directory); } else { packet.WriteLittleEndian16((short)0); } packet.WriteLittleEndian16((short)2); packet.WriteLittleEndian16((short)(num + 2)); packet.WriteUnicodeString("127.0.0.1"); packet.WriteLittleEndian16((short)(num2 + 2)); packet.WriteUnicodeString(@"C:\WINNT\System32\mstscax.dll"); TimeZoneInfo info = TimeZoneInfo.Local; packet.WriteLittleEndian32((int)info.BaseUtcOffset.TotalMinutes); packet.WriteUnicodeString(info.StandardName); packet.Position += 0x3e - (2 * info.StandardName.Length); if (info.SupportsDaylightSavingTime) { packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((ushort)10); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)30); packet.WriteLittleEndian16((short)2); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); } else { packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); } packet.WriteUnicodeString(info.DaylightName); packet.Position += 0x3e - (2 * info.DaylightName.Length); if (info.SupportsDaylightSavingTime) { packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((ushort)3); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0x1b); packet.WriteLittleEndian16((short)1); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32((int)(info.BaseUtcOffset.TotalMinutes + 1.0)); } else { packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); } packet.WriteLittleEndianU32(0); PerformanceFlags flags = (PerformanceFlags)0; if (!RDPClient.IsHostFlagSet(HostFlags.DesktopBackground)) { flags |= PerformanceFlags.PERF_DISABLE_WALLPAPER; } if (RDPClient.IsHostFlagSet(HostFlags.FontSmoothing)) { flags |= PerformanceFlags.PERF_ENABLE_FONT_SMOOTHING; } if (RDPClient.IsHostFlagSet(HostFlags.DesktopComposition)) { flags |= PerformanceFlags.PERF_ENABLE_DESKTOP_COMPOSITION; } if (!RDPClient.IsHostFlagSet(HostFlags.ShowWindowContents)) { flags |= PerformanceFlags.PERF_DISABLE_FULLWINDOWDRAG; } if (!RDPClient.IsHostFlagSet(HostFlags.MenuAnimation)) { flags |= PerformanceFlags.PERF_DISABLE_MENUANIMATIONS; } if (!RDPClient.IsHostFlagSet(HostFlags.VisualStyles)) { flags |= PerformanceFlags.PERF_DISABLE_THEMING; } packet.WriteLittleEndian32((int)flags); if (bAutoReconnect) { packet.WriteLittleEndian32(0x1c); packet.WriteLittleEndian32(0x1c); packet.WriteLittleEndian32(1); packet.WriteLittleEndian32(RDPClient.LogonID); HMACT64 hmact = new HMACT64(RDPClient.ReconnectCookie); hmact.update(Secure.GetClentRandom()); byte[] buffer = hmact.digest(); packet.Write(buffer, 0, buffer.Length); return(packet); } packet.WriteLittleEndian32(0); return(packet); }