/// <summary> /// Client MCS Erect Domain Request PDU /// </summary> private static void send_ErectDomainRequest() { RdpPacket data = new RdpPacket(); data.WriteByte((byte)(EDRQ << 2)); data.WriteBigEndian16((short)1); data.WriteBigEndian16((short)1); IsoLayer.SendTPKT(data); }
/// <summary> /// Client MCS Channel Join Request PDU /// </summary> private static void send_ChannelJoinRequest(int channelId) { RdpPacket data = new RdpPacket(); data.WriteByte((byte)(CJRQ << 2)); data.WriteBigEndian16((short)McsUserID); data.WriteBigEndian16((short)channelId); IsoLayer.SendTPKT(data); }
internal static void SendMCS(RdpPacket packet, int channel) { int length = (int)(packet.Length | 0x8000); RdpPacket data = new RdpPacket(); data.WriteByte((byte)(MCS.SDRQ << 2)); data.WriteBigEndian16((short)MCS.McsUserID); data.WriteBigEndian16((short)channel); data.WriteByte(0x70); data.WriteBigEndian16((short)length); data.copyToByteArray(packet); SendTPKT(data); }
/// <summary> /// Client X.224 Connection Request PDU /// </summary> private static void sendConnectNegotiation(NegotiationProtocol NegotiationFlags, byte[] loadBalanceToken) { string domainAndUsername = Options.DomainAndUsername; if (domainAndUsername.Length > 9) { domainAndUsername = domainAndUsername.Substring(0, 9); } RdpPacket packet = new RdpPacket(); packet.WriteByte(3); packet.WriteByte(0); long position = packet.Position; packet.WriteBigEndian16((short)0); packet.WriteByte(0); packet.WriteByte(0xe0); packet.WriteBigEndian16((short)0); packet.WriteBigEndian16((short)0); packet.WriteByte(0); if (loadBalanceToken != null) { packet.Write(loadBalanceToken, 0, loadBalanceToken.Length); packet.WriteString("\r\n", false); } else { packet.WriteString("Cookie: mstshash=" + domainAndUsername + "\r\n", true); } // RDP Negotiation Request packet.WriteByte(0x01); packet.WriteByte(0); packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian32((int)NegotiationFlags); // Standard RDP Security, TLS 1.0, CredSSP long num2 = packet.Position; packet.Position = position; packet.WriteBigEndian16((short)num2); packet.WriteByte((byte)(num2 - 5L)); IsoLayer.Write(packet); }
public static void SendMessage(int type) { short num = 0x12; byte[] buffer = new byte[11]; RdpPacket packet = new RdpPacket(); packet.WriteByte(3); packet.WriteByte(0); packet.WriteBigEndian16(num); packet.WriteByte(6); packet.WriteByte((byte)type); packet.WriteByte(0x80); packet.WriteBigEndian16((short)0); packet.WriteBigEndian16((short)0); packet.WriteByte(0); packet.Write(buffer, 0, buffer.Length); Write(packet); }
internal static void sendBerHeader(RdpPacket data, BER_Header berHeader, int param) { int num = (int)berHeader; if (num > 0xff) { data.WriteBigEndian16((short)num); } else { data.WriteByte((byte)num); } if (param >= 0x80) { data.WriteByte(130); data.WriteBigEndian16((short)param); } else { data.WriteByte((byte)param); } }
public static void SendTPKT(RdpPacket data) { short num = (short)(data.Length + 7L); data.Position = 0L; RdpPacket packet = new RdpPacket(); packet.WriteByte(3); packet.WriteByte(0); packet.WriteBigEndian16(num); packet.WriteByte(2); packet.WriteByte((byte)Main.SecureValue8); packet.WriteByte(0x80); packet.copyToByteArray(data); Write(packet); }
internal static void sendBerInteger(RdpPacket buffer, int value) { int num = 1; if (value > 0xff) { num = 2; } sendBerHeader(buffer, BER_Header.BER_TAG_INTEGER, num); if (value > 0xff) { buffer.WriteBigEndian16((short)value); } else { buffer.WriteByte((byte)value); } }
/// <summary> /// Client MCS Connect Initial PDU /// Part 2 /// /// Create packet /// </summary> internal static RdpPacket sendMcsData(bool useRdp5, int num_channels, int serverSelectedProtocol) { RdpPacket packet = new RdpPacket(); // Проверка длины Client Name string clientName = Options.ClientName; if (clientName.Length > 15) { clientName = clientName.Substring(0, 15); } int num = 2 * clientName.Length; int num2 = 0x9e; if (useRdp5) { num2 += 0x60; } if (useRdp5 && (num_channels > 0)) { num2 += (num_channels * 12) + 8; } if (Options.serverNegotiateFlags.HasFlag(NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED)) { num2 += 8; } packet.WriteBigEndian16((short)5); packet.WriteBigEndian16((short)20); packet.WriteByte(0x7c); packet.WriteBigEndian16((short)1); packet.WriteBigEndian16((short)(num2 | 0x8000)); packet.WriteBigEndian16((short)8); packet.WriteBigEndian16((short)0x10); packet.WriteByte(0); packet.WriteLittleEndian16((ushort)0xc001); packet.WriteByte(0); packet.WriteLittleEndian32(0x61637544); packet.WriteBigEndian16((short)((num2 - 14) | 0x8000)); // Client Core Data (TS_UD_CS_CORE) packet.WriteLittleEndian16((ushort)CLIENT.CS_CORE); packet.WriteLittleEndian16(useRdp5 ? ((short)0xd8) : ((short)0x88)); packet.WriteLittleEndian16(useRdp5 ? ((short)4) : ((short)1)); packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian16((short)Options.width); // Width packet.WriteLittleEndian16((short)Options.height); // Height packet.WriteLittleEndian16((ushort)0xca01); packet.WriteLittleEndian16((ushort)0xaa03); packet.WriteLittleEndian32(Options.Keyboard); // Клавиатура packet.WriteLittleEndian32(useRdp5 ? 0xa28 : 0x1a3); // Client Build packet.WriteUnicodeString(clientName); // Client Name packet.Position += 30 - num; packet.WriteLittleEndian32(0x00000004); // IBM enhanced (101- or 102-key) keyboard packet.WriteLittleEndian32(0); packet.WriteLittleEndian32(12); // Функциональные клавиши (F1-F12) packet.Position += 0x40L; packet.WriteLittleEndian16((ushort)0xCA01); // NS_UD_COLOR_8BPP packet.WriteLittleEndian16(useRdp5 ? ((short)1) : ((short)0)); if (useRdp5) { packet.WriteLittleEndian32(0); packet.WriteLittleEndian16((short)((byte)Options.server_bpp)); packet.WriteLittleEndian16((short)7); packet.WriteLittleEndian16((short)1); packet.Position += 0x40L; packet.WriteByte(0); packet.WriteByte(0); packet.WriteLittleEndian32(serverSelectedProtocol); // Client Cluster Data (TS_UD_CS_CLUSTER) packet.WriteLittleEndian16((ushort)CLIENT.CS_CLUSTER); packet.WriteLittleEndian16((short)12); int num3 = 13; if (Options.flags.HasFlag(HostFlags.ConsoleSession) || (Options.sessionID != 0)) { num3 |= 2; } packet.WriteLittleEndian32(num3); packet.WriteLittleEndian32(Options.sessionID); } // Client Security Data (TS_UD_CS_SEC) packet.WriteLittleEndian16((ushort)CLIENT.CS_SECURITY); packet.WriteLittleEndian16(useRdp5 ? ((short)12) : ((short)8)); int num4 = 0; if (serverSelectedProtocol == 0) { num4 |= 3; } packet.WriteLittleEndian32(num4); if (useRdp5) { packet.WriteLittleEndian32(0); } // Client Network Data (TS_UD_CS_NET) if (useRdp5 && (num_channels > 0)) { packet.WriteLittleEndian16((ushort)CLIENT.CS_NET); packet.WriteLittleEndian16((short)((num_channels * 12) + 8)); packet.WriteLittleEndian32(num_channels); foreach (IVirtualChannel channel in Channels.RegisteredChannels) { Debug.WriteLine("Client Network Data. Channel name length: " + channel.ChannelName.Length); packet.WriteString(channel.ChannelName, false); packet.WriteBigEndian32((uint)(CHANNEL_DEF.CHANNEL_OPTION_INITIALIZED)); } } // Client Message Channel Data (TS_UD_CS_MCS_MSGCHANNEL) if (Options.serverNegotiateFlags.HasFlag(NegotiationFlags.EXTENDED_CLIENT_DATA_SUPPORTED)) { packet.WriteLittleEndian16((ushort)CLIENT.CS_MCS_MSGCHANNEL); packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian32(0); } return(packet); }