/// <summary> /// Pings specified ComputerNames to identify live systems. /// </summary> /// <param name="ComputerNames">ComputerNames to ping.</param> /// <param name="Timeout">Timeout (in milliseconds) before a ComputerName is considered down.</param> /// <param name="Threads">Number of threads with which to ping simultaneously</param> /// <returns></returns> public static SharpSploitResultList <PingResult> Ping(IList <string> ComputerNames, int Timeout = 250, int Threads = 100) { IList <string> pingAddresses = Utilities.ConvertCidrToIPs(ComputerNames).Distinct().ToList(); SharpSploitResultList <PingResult> pingResults = new SharpSploitResultList <PingResult>(); using (CountdownEvent waiter = new CountdownEvent(pingAddresses.Count)) { object pingResultsLock = new object(); int runningThreads = 0; foreach (string ComputerName in pingAddresses) { Ping ping = new Ping(); PingResult pingResult = new PingResult(ComputerName, true); ping.PingCompleted += new PingCompletedEventHandler((sender, e) => { if (e.Reply != null && e.Reply.Status == IPStatus.Success) { lock (pingResultsLock) { pingResults.Add(pingResult); } } ((CountdownEvent)e.UserState).Signal(); }); while (runningThreads >= Threads) { waiter.WaitOne(); runningThreads--; } try { ping.SendAsync(ComputerName, Timeout, waiter); runningThreads++; } catch { } } waiter.Wait(Timeout * pingAddresses.Count); } return(pingResults); }
/// <summary> /// Conducts a port scan of specified ComputerNames on specified ports and reports open ports. /// </summary> /// <param name="ComputerNames">ComputerNames to port scan.</param> /// <param name="Ports">Ports to scan.</param> /// <param name="Ping">Optional switch. If true, pings the ComputerNames to ensure each is up before port scanning.</param> /// <param name="Timeout">Timeout (in milliseconds) before a port is considered down.</param> /// <param name="Threads">Number of threads with which to portscan simultaneously</param> /// <returns>List of PortScanResults</returns> public static SharpSploitResultList <PortScanResult> PortScan(IList <string> ComputerNames, IList <int> Ports, bool Ping = true, int Timeout = 250, int Threads = 100) { IList <string> scanAddresses = Utilities.ConvertCidrToIPs(ComputerNames).Distinct().ToList(); IList <int> scanPorts = Ports.Where(P => P > 1 && P < 65536).Distinct().ToList(); if (Ping) { SharpSploitResultList <PingResult> pingResults = Network.Ping(scanAddresses, Timeout, Threads); scanAddresses = pingResults.Where(PR => PR.IsUp).Select(PR => PR.ComputerName).ToList(); } IList <PortScanResult> portScanResults = new List <PortScanResult>(); using (CountdownEvent waiter = new CountdownEvent(scanAddresses.Count * Ports.Count)) { object portScanResultsLock = new object(); int runningThreads = 0; foreach (string ComputerName in scanAddresses) { foreach (int Port in scanPorts) { TcpClient client = null; if (!Utilities.IsIP(ComputerName)) { client = new TcpClient(); } else { IPAddress.TryParse(ComputerName, out IPAddress address); client = new TcpClient(address.AddressFamily); } PortScanResult portScanResult = new PortScanResult(ComputerName, Port, true); while (runningThreads >= Threads) { waiter.WaitOne(Timeout); runningThreads--; } IAsyncResult asyncResult = client.BeginConnect(ComputerName, Port, new AsyncCallback((state) => { try { client.EndConnect(state); client.Close(); } catch { portScanResult.IsOpen = false; } if (portScanResult.IsOpen) { lock (portScanResultsLock) { portScanResults.Add(portScanResult); } } ((CountdownEvent)state.AsyncState).Signal(); }), waiter); runningThreads++; } } waiter.Wait(Timeout * scanAddresses.Count * Ports.Count); } SharpSploitResultList <PortScanResult> results = new SharpSploitResultList <PortScanResult>(); results.AddRange(portScanResults); return(results); }