internal void clientClipboardCapabilities() { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)MsgType.CB_CLIP_CAPS); packet.WriteLittleEndian16((short)MsgFlags.NOT_SET); packet.WriteLittleEndian32(16 + FourButesAlignLen); // length packet.WriteLittleEndian16(1); // Колл-во cCapabilitiesSets packet.WritePadding(2); // Padding 2 packet.WriteLittleEndian16((short)CapsType.CB_CAPSTYPE_GENERAL); packet.WriteLittleEndian16(12); // lengthCapability packet.WriteLittleEndian32((int)CapsVersion.CB_CAPS_VERSION_2); if (ServerGeneralFlags.HasFlag(GeneralFlags.CB_STREAM_FILECLIP_ENABLED)) { packet.WriteLittleEndian32((int)ServerGeneralFlags); } else { packet.WriteLittleEndian32((int)(GeneralFlags.CB_STREAM_FILECLIP_ENABLED | GeneralFlags.CB_USE_LONG_FORMAT_NAMES)); } packet.WritePadding(FourButesAlign); // Add four bytes send(packet); }
internal void clientFormatList() { // Формируем строку, содержащую нулевой байт после каждого символа string tempStr = ""; foreach (var ch in ClipboardFormatName) { tempStr += ch + "\0"; } // Получаем байты строки var bytes = ASCIIEncoding.GetBytes(tempStr, false).ToList(); RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)MsgType.CB_FORMAT_LIST); packet.WriteLittleEndian16((short)MsgFlags.NOT_SET); packet.WriteLittleEndian32(bytes.Count + 4 + FourButesAlignLen); // length // Устанавливаем Clipboard Format ID packet.WriteLittleEndian32(ClipboardFormatID); packet.Write(bytes.ToArray(), 0, bytes.Count); packet.WritePadding(FourButesAlign); // Add four bytes send(packet); }
private static void sendBitmapcacheCaps(RdpPacket packet) { if (Options.cache_bitmaps && m_bServerSupportsCacheV2) { packet.WriteLittleEndian16((short)0x13); packet.WriteLittleEndian16((short)40); packet.WriteLittleEndian16(Options.persistentBmpCache ? ((ushort)1) : ((ushort)0)); packet.WriteByte(0); packet.WriteByte(3); uint num = Options.persistentBmpCache ? BMPCACHE2_FLAG_PERSIST : 0; packet.WriteLittleEndian32(120); packet.WriteLittleEndian32((uint)(120 | num)); packet.WriteLittleEndian32((uint)(0x400 | num)); packet.WriteLittleEndian32(0); packet.WriteLittleEndian32(0); packet.Position += 12L; } else { packet.WriteLittleEndian16((short)4); packet.WriteLittleEndian16((short)40); packet.Position += 0x18L; packet.WriteLittleEndian16((short)120); packet.WriteLittleEndian16((short)0x300); packet.WriteLittleEndian16((short)120); packet.WriteLittleEndian16((short)0xc00); packet.WriteLittleEndian16((short)0x400); packet.WriteLittleEndian16((short)0x2000); } }
internal void clientFileContentsResponse() { // Вычисляем часть файла byte[] tempArr = null; if ((FileData.Length - Position) > 0) { if ((FileData.Length - Position) >= BufferNextPart) { tempArr = new byte[BufferNextPart]; Array.Copy(FileData, Position, tempArr, 0, BufferNextPart); Position += BufferNextPart; } else { tempArr = new byte[(FileData.Length - Position)]; Array.Copy(FileData, Position, tempArr, 0, (FileData.Length - Position)); BufferNextPart = 0; Position = 0; } } else if ((FileData.Length - Position) == 0) { BufferNextPart = 0; Position = 0; return; } // Формируем пакет RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)MsgType.CB_FILECONTENTS_RESPONSE); packet.WriteLittleEndian16((short)MsgFlags.CB_RESPONSE_OK); // Устанавливаем длину сообщения if (FileCanLoad) { packet.WriteLittleEndian32(tempArr.Length + 4); // length } else { packet.WriteLittleEndian32(8 + 4); // length } // Stream ID packet.WriteLittleEndian32(StreamID); // Устанавливаем размер или байты самого файла, в зависимости от значения FileCanLoad if (FileCanLoad && FileData != null) { // requestedFileContentsData packet.Write(tempArr, 0, tempArr.Length); } else { // requestedFileContentsData packet.WriteLittleEndianU64(FileSize); } send(packet); }
public void ProcessForNTLMv2() { this.Flags = 2; this.ChannelBindings.length = 0x10; this.ChannelBindings.value = new byte[0x10]; string s = ""; byte[] bytes = Encoding.Unicode.GetBytes(s); this.TargetName.length = bytes.Length; this.TargetName.value = bytes; byte[] buffer = new byte[] { 0x5c, 0xca, 250, 0x4d, 0x40, 0x41, 0xc5, 0x8b, 0x43, 0x93, 0x16, 0x88, 0xce, 0x3b, 0x94, 0x63, 0xf1, 0xc5, 0x61, 0xf4, 0xe1, 0xde, 0xda, 0x7a, 0x43, 0xb8, 0xd6, 200, 0x9e, 80, 0x3f, 0x42 }; this.Restrictions.length = 0x30; RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian32(0x30); packet.WritePadding(4); packet.WriteByte(1); packet.WritePadding(3); packet.WriteLittleEndian32(0x2000); packet.Write(buffer, 0, 0x20); this.Restrictions.value = packet.ToArray(); if (this.Restrictions.value.Length != this.Restrictions.length) { throw new Exception("Restrictions invalid!"); } }
internal static RdpPacket establishKey() { int num = modulus_size + 8; int num2 = 1; RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian32(num2); packet.WriteLittleEndian32(num); packet.Write(m_Sec_Crypted_Random, 0, modulus_size); packet.WritePadding(8); return(packet); }
internal void clientFormatDataResponse() { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)MsgType.CB_FORMAT_DATA_RESPONSE); packet.WriteLittleEndian16((short)MsgFlags.CB_RESPONSE_OK); packet.WriteLittleEndian32(520 + 76 + FourButesAlignLen); // length // cItems packet.WriteLittleEndian32(1); // 1 файл в списке файлов буфера обмена // File Descriptor packet.WriteLittleEndian32((int)(FD_FLAGS.FD_ATTRIBUTES)); packet.WritePadding(32); // Padding 32 packet.WriteLittleEndian32((int)(FILE_ATTRIBUTE.FILE_ATTRIBUTE_NORMAL)); packet.WritePadding(16); // Padding 16 packet.WriteLittleEndian64(DateTime.Now.Ticks); // lastWriteTime packet.WriteLittleEndianU32((uint)FileSizeHigh); packet.WriteLittleEndianU32((uint)FileSizeLow); // Формируем строку, содержащую нулевой байт после каждого символа string tempStr = ""; foreach (var ch in FileName) { tempStr += ch + "\0"; } // Получаем байты строки var bytes = ASCIIEncoding.GetBytes(tempStr, false).ToList(); if (bytes.Count > 520) { packet.Write(bytes.ToArray(), 0, 520); } else { int endPos = 520 - bytes.Count; for (int i = 0; i < endPos; i++) { bytes.Add(0x00); } packet.Write(bytes.ToArray(), 0, bytes.Count); } packet.WritePadding(FourButesAlign); // Add four bytes send(packet); }
private void send(RdpPacket data) { data.Position = 0L; int length = (int)data.Length; int count = Math.Min(length, 1600); int num = length - count; if (num == 0) { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian32((int)length); packet.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_FIRST | CHANNEL_FLAG.CHANNEL_FLAG_LAST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL)); packet.copyToByteArray(data); IsoLayer.SendToCannel(packet, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID); } else { RdpPacket packet2 = new RdpPacket(); packet2.WriteLittleEndian32((int)length); packet2.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_FIRST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL)); byte[] buffer = new byte[count]; data.Read(buffer, 0, count); packet2.Write(buffer, 0, count); IsoLayer.SendToCannel(packet2, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID); } while (num > 0) { count = Math.Min(num, 1600); num -= count; RdpPacket packet3 = new RdpPacket(); packet3.WriteLittleEndian32((int)length); if (num == 0) { packet3.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_LAST | CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL)); } else { packet3.WriteLittleEndian32((int)(CHANNEL_FLAG.CHANNEL_FLAG_SHOW_PROTOCOL)); } byte[] buffer2 = new byte[count]; data.Read(buffer2, 0, count); packet3.Write(buffer2, 0, count); IsoLayer.SendToCannel(packet3, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0, this.ChannelID); } }
private static void sendGlyphCacheCaps(RdpPacket packet) { packet.WriteLittleEndian16((short)0x10); packet.WriteLittleEndian16((short)0x34); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)4); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)4); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)0x10); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)0x20); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)0x40); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)0x80); packet.WriteLittleEndian16((short)0xfe); packet.WriteLittleEndian16((short)0x100); packet.WriteLittleEndian16((short)0x40); packet.WriteLittleEndian16((short)0x800); packet.WriteLittleEndian32(0x10000); packet.WriteLittleEndian16((short)3); packet.WriteLittleEndian16((short)0); }
// Input Capability Set (TS_INPUT_CAPABILITYSET) private static void sendInputCaps(RdpPacket packet) { packet.WriteLittleEndian16((short)Capstype.CAPSTYPE_INPUT); packet.WriteLittleEndian16((short)0x58); packet.WriteLittleEndian16((short)( InputFlags.INPUT_FLAG_FASTPATH_INPUT | InputFlags.INPUT_FLAG_FASTPATH_INPUT2 | InputFlags.INPUT_FLAG_SCANCODES | InputFlags.INPUT_FLAG_UNICODE)); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(Options.Keyboard); // Клавиатура packet.WriteLittleEndian32(0x00000004); // IBM enhanced (101- or 102-key) keyboard packet.WriteLittleEndian32(0); packet.WriteLittleEndian32(12); // Функциональные клавиши (F1-F12) packet.Position += 0x40L; }
private static void sendControl(int action) { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)action); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); IsoLayer.SendPDU(packet, IsoLayer.PDUType2.PDUTYPE2_CONTROL, Secure.RDPEncrypted() ? (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT) : 0); }
private static void sendOrderCaps(RdpPacket data) { byte[] buffer = new byte[0x20]; buffer[0] = 1; buffer[1] = 1; buffer[2] = 1; buffer[3] = 1; buffer[4] = 1; buffer[7] = 0; buffer[8] = 1; buffer[9] = 0; buffer[11] = 1; buffer[15] = 0; buffer[0x10] = 1; buffer[0x11] = 0; buffer[0x12] = 1; buffer[0x13] = 0; buffer[20] = 0; buffer[0x15] = 0; buffer[0x16] = 1; buffer[0x18] = 0; buffer[0x19] = 0; buffer[0x1a] = 0; buffer[0x1b] = 1; data.WriteLittleEndian16((short)3); data.WriteLittleEndian16((short)0x58); data.Position += 20L; data.WriteLittleEndian16((short)1); data.WriteLittleEndian16((short)20); data.WriteLittleEndian16((short)0); data.WriteLittleEndian16((short)1); data.WriteLittleEndian16((short)0); data.WriteLittleEndian16((short)170); data.Write(buffer, 0, 0x20); data.WriteLittleEndian16((short)0x6a1); data.WriteLittleEndian16((short)2); data.Position += 4L; data.WriteLittleEndian32(0x38400); data.WriteLittleEndian32(0); data.WriteLittleEndian16((short)0x4e4); data.WriteLittleEndian16((short)0); }
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)(Secure.modulus_size + 8)); packet.Write(rsa_data, 0, Secure.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); }
public byte[] Negotiate() { RdpPacket packet = new RdpPacket(); uint num = (((((((0xe2000000 | NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | NTLMSSP_NEGOTIATE_NTLM) | NTLMSSP_NEGOTIATE_SEAL) | NTLMSSP_NEGOTIATE_SIGN) | NTLMSSP_REQUEST_TARGET) | NTLMSSP_NEGOTIATE_OEM) | NTLMSSP_NEGOTIATE_UNICODE; int position = (int)packet.Position; packet.WriteString("NTLMSSP", false); packet.WriteByte(0); packet.WriteLittleEndian32(1); packet.WriteLittleEndian32(num); int num3 = ((int)packet.Position) - position; num3 += 8; num3 += 8; if ((num & 0x2000000) != 0) { num3 += 8; } packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(0); if ((num & 0x2000000) != 0) { this.WriteVersion(packet); } packet.Position = 0L; this.m_NegotiateMsg = new byte[packet.Length]; packet.Read(this.m_NegotiateMsg, 0, this.m_NegotiateMsg.Length); return(this.m_NegotiateMsg); }
internal static void SlowSendInput(int time, int message_type, int device_flags, uint param1, uint param2) { if (Network.ConnectionAlive || (message_type == 0)) { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)1); packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian32(time); packet.WriteLittleEndian16((short)message_type); packet.WriteLittleEndian16((short)device_flags); packet.WriteLittleEndian16((ushort)param1); packet.WriteLittleEndian16((ushort)param2); SendPDU(packet, PDUType2.PDUTYPE2_INPUT, Secure.RDPEncrypted() ? (int)MCS.TS_SECURITY_HEADER.SEC_ENCRYPT : 0); } }
/// <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); }
internal static void send_authresp(byte[] token, byte[] crypt_hwid, byte[] signature) { int num = 0x80; int num2 = 0x3a; RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian32(num); packet.WriteByte(0x15); packet.WriteByte(2); packet.WriteLittleEndian16((short)num2); packet.WriteLittleEndian16((short)1); packet.WriteLittleEndian16((short)10); packet.Write(token, 0, 10); packet.WriteLittleEndian16((short)1); packet.WriteLittleEndian16((short)20); packet.Write(crypt_hwid, 0, 20); packet.Write(signature, 0, 0x10); IsoLayer.SendMCS(packet, MCS.MSC_GLOBAL_CHANNEL); }
internal static void SendToCannel(RdpPacket secData, int flags, int channel) { secData.Position = 0L; byte[] buffer = new byte[secData.Length]; secData.Read(buffer, 0, buffer.Length); if ((Secure.enc_count == 0x1000) && Secure.RDPEncrypted()) { Secure.m_Encrypt_Key = Secure.update(Secure.m_Encrypt_Key, Secure._r); byte[] destinationArray = new byte[Secure.m_KeyLength]; Array.Copy(Secure.m_Encrypt_Key, 0, destinationArray, 0, Secure.m_KeyLength); Secure.m_RC4_Enc.engineInitEncrypt(destinationArray); Secure.enc_count = 0; } if (Secure.RDPEncrypted()) { byte[] buffer1 = Secure.sign(Secure.m_Sec_Sign_Key, 8, Secure.m_KeyLength, buffer, buffer.Length); byte[] buffer2 = Secure.m_RC4_Enc.crypt(buffer); secData = new RdpPacket(); secData.WriteLittleEndian32(flags); secData.Write(buffer1, 0, buffer1.Length); secData.Write(buffer2, 0, buffer2.Length); } else { flags &= -9; secData = new RdpPacket(); if (flags != 0) { secData.WriteLittleEndian32(flags); } secData.Write(buffer, 0, buffer.Length); } SendMCS(secData, channel); Secure.enc_count++; }
internal static void SendPDU(RdpPacket packet, PDUType2 type, int sec_flags) { RdpPacket packet2 = new RdpPacket(); packet.Position = 0L; int num = ((int)packet.Length) + 0x12; packet2.WriteLittleEndian16((short)num); packet2.WriteLittleEndian16((short)Main.SecureValue7); packet2.WriteLittleEndian16((short)(MCS.McsUserID + 0x3e9)); packet2.WriteLittleEndian32(ControlFlow.rdp_shareid); packet2.WriteByte(0); packet2.WriteByte(1); packet2.WriteLittleEndian16((short)(num - 14)); packet2.WriteByte((byte)type); packet2.WriteByte(0); packet2.WriteLittleEndian16((short)0); packet2.copyToByteArray(packet); SendToGlobalChannel(packet2, sec_flags); }
internal void clientTemporaryDirectory() { RdpPacket packet = new RdpPacket(); packet.WriteLittleEndian16((short)MsgType.CB_TEMP_DIRECTORY); packet.WriteLittleEndian16((short)MsgFlags.NOT_SET); packet.WriteLittleEndian32(520 + FourButesAlignLen); // length // Формируем строку, содержащую нулевой байт после каждого символа string tempStr = ""; foreach (var ch in ClientTempDir) { tempStr += ch + "\0"; } // Получаем байты строки var bytes = ASCIIEncoding.GetBytes(tempStr, false).ToList(); if (bytes.Count > 520) { packet.Write(bytes.ToArray(), 0, 520); } else { int endPos = 520 - bytes.Count; for (int i = 0; i < endPos; i++) { bytes.Add(0x00); } packet.Write(bytes.ToArray(), 0, bytes.Count); } packet.WritePadding(FourButesAlign); // Add four bytes send(packet); }
private static void sendConfirmActive() { int num = 390; int num2 = 0; if (Secure.RDPEncrypted()) { num2 |= (int)(MCS.TS_SECURITY_HEADER.SEC_ENCRYPT); } RdpPacket data = new RdpPacket(); data.WriteLittleEndian16((short)((0x10 + num) + RDP_SOURCE.Length)); data.WriteLittleEndian16((short)0x13); data.WriteLittleEndian16((short)(MCS.McsUserID + 0x3e9)); data.WriteLittleEndian32(rdp_shareid); data.WriteLittleEndian16((short)0x3ea); data.WriteLittleEndian16((short)RDP_SOURCE.Length); data.WriteLittleEndian16((short)num); data.Write(RDP_SOURCE, 0, RDP_SOURCE.Length); data.WriteLittleEndian16((short)13); data.Position += 2L; sendGeneralCaps(data); sendBitmapCaps(data); sendOrderCaps(data); sendBitmapcacheCaps(data); sendColorcacheCaps(data); sendActivateCaps(data); sendControlCaps(data); sendPointerCaps(data); sendShareCaps(data); sendInputCaps(data); sendSoundCaps(data); sendFontCaps(data); sendGlyphCacheCaps(data); IsoLayer.SendToGlobalChannel(data, num2); }
public byte[] Serialise() { RdpPacket packet = new RdpPacket(); if (this.NbDomainName.length > 0) { packet.WriteLittleEndian16((short)2); packet.WriteLittleEndian16((short)this.NbDomainName.length); packet.Write(this.NbDomainName.value, 0, this.NbDomainName.length); } if (this.NbComputerName.length > 0) { packet.WriteLittleEndian16((short)1); packet.WriteLittleEndian16((short)this.NbComputerName.length); packet.Write(this.NbComputerName.value, 0, this.NbComputerName.length); } if (this.DnsDomainName.length > 0) { packet.WriteLittleEndian16((short)4); packet.WriteLittleEndian16((short)this.DnsDomainName.length); packet.Write(this.DnsDomainName.value, 0, this.DnsDomainName.length); } if (this.DnsComputerName.length > 0) { packet.WriteLittleEndian16((short)3); packet.WriteLittleEndian16((short)this.DnsComputerName.length); packet.Write(this.DnsComputerName.value, 0, this.DnsComputerName.length); } if (this.DnsTreeName.length > 0) { packet.WriteLittleEndian16((short)5); packet.WriteLittleEndian16((short)this.DnsTreeName.length); packet.Write(this.DnsTreeName.value, 0, this.DnsTreeName.length); } if (this.Timestamp.length > 0) { packet.WriteLittleEndian16((short)7); packet.WriteLittleEndian16((short)this.Timestamp.length); packet.Write(this.Timestamp.value, 0, this.Timestamp.length); } if (this.Flags != 0) { packet.WriteLittleEndian16((short)6); packet.WriteLittleEndian16((short)4); packet.WriteLittleEndian32(this.Flags); } if (this.Restrictions.length > 0) { packet.WriteLittleEndian16((short)8); packet.WriteLittleEndian16((short)this.Restrictions.length); packet.Write(this.Restrictions.value, 0, this.Restrictions.length); } if (this.ChannelBindings.length > 0) { packet.WriteLittleEndian16((short)10); packet.WriteLittleEndian16((short)this.ChannelBindings.length); packet.Write(this.ChannelBindings.value, 0, this.ChannelBindings.length); } if (this.TargetName.value != null) { packet.WriteLittleEndian16((short)9); packet.WriteLittleEndian16((short)this.TargetName.length); packet.Write(this.TargetName.value, 0, this.TargetName.length); } packet.WriteLittleEndian16((short)0); packet.WriteLittleEndian16((short)0); packet.WritePadding(8); byte[] buffer = new byte[packet.Length]; packet.Position = 0L; packet.Read(buffer, 0, buffer.Length); return(buffer); }
/// <summary> /// Client Info PDU /// </summary> private static RdpPacket getLoginInfo(string domain, string username, string password, string command, string directory, bool bAutoReconnect) { int num1 = 2 * "127.0.0.1".Length; int num2 = 2 * @"C:\WINNT\System32\mstscax.dll".Length; 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; //int num8 = 0x213b; int num8 = (int)( ClientInfoFlags.INFO_AUTOLOGON | ClientInfoFlags.INFO_DISABLECTRLALTDEL | ClientInfoFlags.INFO_LOGONERRORS | ClientInfoFlags.INFO_LOGONNOTIFY | ClientInfoFlags.INFO_ENABLEWINDOWSKEY | ClientInfoFlags.INFO_MOUSE | ClientInfoFlags.INFO_NOAUDIOPLAYBACK | ClientInfoFlags.INFO_UNICODE); RdpPacket packet = new RdpPacket(); 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)(num1 + 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 (!Options.IsHostFlagSet(HostFlags.DesktopBackground)) { flags |= PerformanceFlags.PERF_DISABLE_WALLPAPER; } if (Options.IsHostFlagSet(HostFlags.FontSmoothing)) { flags |= PerformanceFlags.PERF_ENABLE_FONT_SMOOTHING; } if (Options.IsHostFlagSet(HostFlags.DesktopComposition)) { flags |= PerformanceFlags.PERF_ENABLE_DESKTOP_COMPOSITION; } if (!Options.IsHostFlagSet(HostFlags.ShowWindowContents)) { flags |= PerformanceFlags.PERF_DISABLE_FULLWINDOWDRAG; } if (!Options.IsHostFlagSet(HostFlags.MenuAnimation)) { flags |= PerformanceFlags.PERF_DISABLE_MENUANIMATIONS; } if (!Options.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(Options.LogonID); HMACT64 hmact = new HMACT64(Options.ReconnectCookie); hmact.update(Secure.GetClentRandom()); byte[] buffer = hmact.digest(); packet.Write(buffer, 0, buffer.Length); return(packet); } packet.WriteLittleEndian32(0); return(packet); }
/// <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); }
private byte[] Authenticate(byte[] lmChallengeResponse, byte[] ntChallengeResponse, string sDomainName, string sUser, string sWorkstation, byte[] EncryptedRandomSessionKey, byte[] ExportedSessionKey, bool bGenerateMIC) { RdpPacket packet = new RdpPacket(); uint flags = ( (((((0xe2800000 | NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | NTLMSSP_NEGOTIATE_NTLM) | NTLMSSP_NEGOTIATE_SEAL) | NTLMSSP_NEGOTIATE_SIGN) | NTLMSSP_REQUEST_TARGET) | NTLMSSP_NEGOTIATE_UNICODE; DumpFlags(flags); int position = (int)packet.Position; packet.WriteString("NTLMSSP", false); packet.WriteByte(0); packet.WriteLittleEndian32(3); int num3 = ((int)packet.Position) - position; num3 += 8; num3 += 8; num3 += 8; num3 += 8; num3 += 8; num3 += 8; num3 += 4; if ((flags & 0x2000000) != 0) { num3 += 8; } if (bGenerateMIC) { num3 += 0x10; } byte[] bytes = Encoding.Unicode.GetBytes(sDomainName); byte[] buffer = Encoding.Unicode.GetBytes(sUser); byte[] buffer3 = Encoding.Unicode.GetBytes(sWorkstation); int num4 = num3; int num5 = num4 + bytes.Length; int num6 = num5 + buffer.Length; int num7 = num6 + buffer3.Length; int num8 = num7 + lmChallengeResponse.Length; int num9 = num8 + ntChallengeResponse.Length; packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length); packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length); packet.WriteLittleEndian32(num7); num3 += lmChallengeResponse.Length; packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length); packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length); packet.WriteLittleEndian32(num8); num3 += ntChallengeResponse.Length; packet.WriteLittleEndian16((ushort)bytes.Length); packet.WriteLittleEndian16((ushort)bytes.Length); packet.WriteLittleEndian32(num4); num3 += bytes.Length; packet.WriteLittleEndian16((ushort)buffer.Length); packet.WriteLittleEndian16((ushort)buffer.Length); packet.WriteLittleEndian32(num5); num3 += buffer.Length; packet.WriteLittleEndian16((ushort)buffer3.Length); packet.WriteLittleEndian16((ushort)buffer3.Length); packet.WriteLittleEndian32(num6); num3 += buffer3.Length; packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length); packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length); packet.WriteLittleEndian32(num9); num3 += EncryptedRandomSessionKey.Length; packet.WriteLittleEndian32(flags); if ((flags & 0x2000000) != 0) { this.WriteVersion(packet); } long num10 = packet.Position; if (bGenerateMIC) { packet.WritePadding(0x10); } packet.Write(bytes, 0, bytes.Length); packet.Write(buffer, 0, buffer.Length); packet.Write(buffer3, 0, buffer3.Length); packet.Write(lmChallengeResponse, 0, lmChallengeResponse.Length); packet.Write(ntChallengeResponse, 0, ntChallengeResponse.Length); packet.Write(EncryptedRandomSessionKey, 0, EncryptedRandomSessionKey.Length); if (bGenerateMIC) { packet.Position = 0L; byte[] buffer4 = new byte[packet.Length]; packet.Read(buffer4, 0, buffer4.Length); HMACT64 hmact = new HMACT64(ExportedSessionKey); hmact.update(this.m_NegotiateMsg); hmact.update(this.m_ChallengeMsg); hmact.update(buffer4); byte[] buffer5 = hmact.digest(); packet.Position = num10; packet.Write(buffer5, 0, buffer5.Length); } packet.Position = 0L; byte[] buffer6 = new byte[packet.Length]; packet.Read(buffer6, 0, buffer6.Length); return(buffer6); }