Example #1
0
        public byte[] GetBytes()
        {
            int fixedLength = 32;

            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                fixedLength += 8;
            }
            int payloadLength = DomainName.Length * 2 + Workstation.Length * 2;

            byte[] buffer = new byte[fixedLength + payloadLength];
            ByteWriter.WriteAnsiString(buffer, 0, AuthenticateMessage.ValidSignature, 8);
            LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
            LittleEndianWriter.WriteUInt32(buffer, 12, (uint)NegotiateFlags);

            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                Version.WriteBytes(buffer, 32);
            }

            int offset = fixedLength;

            AuthenticationMessageUtils.WriteBufferPointer(buffer, 16, (ushort)(DomainName.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, DomainName);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 16, (ushort)(Workstation.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, Workstation);

            return(buffer);
        }
        public byte[] GetBytes()
        {
            int fixedLength = 48;

            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                fixedLength += 8;
            }

            int payloadLength = TargetName.Length * 2 + TargetInfo.Length;

            byte[] buffer = new byte[fixedLength + payloadLength];
            ByteWriter.WriteAnsiString(buffer, 0, AuthenticateMessage.ValidSignature, 8);
            LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
            LittleEndianWriter.WriteUInt32(buffer, 20, (uint)NegotiateFlags);
            ByteWriter.WriteBytes(buffer, 24, ServerChallenge);
            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                Version.WriteBytes(buffer, 48);
            }

            int offset = fixedLength;

            AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)(TargetName.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, TargetName);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 40, (ushort)TargetInfo.Length, (uint)offset);
            ByteWriter.WriteBytes(buffer, ref offset, TargetInfo);

            return(buffer);
        }
Example #3
0
        public byte[] GetBytes()
        {
            if ((NegotiateFlags & NegotiateFlags.KeyExchange) == 0)
            {
                EncryptedRandomSessionKey = new byte[0];
            }

            int fixedLength = 64;

            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                fixedLength += NTLMVersion.Length;
            }
            if (MIC != null)
            {
                fixedLength += MIC.Length;
            }
            int payloadLength = LmChallengeResponse.Length + NtChallengeResponse.Length + DomainName.Length * 2 + UserName.Length * 2 + WorkStation.Length * 2 + EncryptedRandomSessionKey.Length;

            byte[] buffer = new byte[fixedLength + payloadLength];
            ByteWriter.WriteAnsiString(buffer, 0, ValidSignature, 8);
            LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType);
            LittleEndianWriter.WriteUInt32(buffer, 60, (uint)NegotiateFlags);
            int offset = 64;

            if ((NegotiateFlags & NegotiateFlags.Version) > 0)
            {
                Version.WriteBytes(buffer, offset);
                offset += NTLMVersion.Length;
            }
            if (MIC != null)
            {
                ByteWriter.WriteBytes(buffer, offset, MIC);
                offset += MIC.Length;
            }

            AuthenticationMessageUtils.WriteBufferPointer(buffer, 28, (ushort)(DomainName.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, DomainName);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 36, (ushort)(UserName.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, UserName);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 44, (ushort)(WorkStation.Length * 2), (uint)offset);
            ByteWriter.WriteUTF16String(buffer, ref offset, WorkStation);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)LmChallengeResponse.Length, (uint)offset);
            ByteWriter.WriteBytes(buffer, ref offset, LmChallengeResponse);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 20, (ushort)NtChallengeResponse.Length, (uint)offset);
            ByteWriter.WriteBytes(buffer, ref offset, NtChallengeResponse);
            AuthenticationMessageUtils.WriteBufferPointer(buffer, 52, (ushort)EncryptedRandomSessionKey.Length, (uint)offset);
            ByteWriter.WriteBytes(buffer, ref offset, EncryptedRandomSessionKey);

            return(buffer);
        }