本篇内容主要讲解“Forerunner怎么使用”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“Forerunner怎么使用”吧!
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Forerunner是一个快速的、轻量级的并且可扩展的网络库,它可以帮助研究人员开发一个以网络为中心的健壮的应用程序,比如说IP扫描器、端口扫描器、客户端以及服务器等等。当前版本的Forerunner,能够支持针对端口和IP地址进行同步或异步扫描,并收集关于目标设备的地理位置信息和终端信息,比如说IP地址是否在线以及设备的物理MAC地址等等。这个库是一个完全面向对象和基于事件的库,这意味着扫描数据都将包含在精心编制的“scan”对象之中,而这些对象旨在处理涵盖从结果到异常的所有数据。
1、.NET Framework v4.6.1
方法名 | 描述 | 使用样例 |
---|---|---|
Scan | 扫描单个IP地址并收集信息 | Scan("192.168.1.1"); |
ScanRange | 扫描IP地址范围并收集信息 | ScanRange("192.168.1.1", "192.168.1.255") |
ScanList | 扫描IP地址列表并收集信息 | ScanList("192.168.1.1, 192.168.1.2, 192.168.1.3") |
PortKnock | 扫描单个IP地址的所有端口 | PortKnock("192.168.1.1"); |
PortKnockRange | 扫描IP地址范围内的所有端口 | PortKnockRange("192.168.1.1", "192.168.1.255"); |
PortKnockList | 扫描IP地址列表中的所有端口 | PortKnockList("192.198.1.1, 192.168.1.2, 192.168.1.3"); |
IsHostAlive | 每多少毫秒扫描一台主机N次 | IsHostAlive("192.168.1.1", 5, 1000); |
GetAveragePingResponse | 获取目标主机的平均ping响应 | GetAveragePingResponse("192.168.1.1", 5, 1000); |
IsPortOpen | 通过TCP&UDP来ping单个端口 | IsPortOpen("192.168.1.1", 45000, new TimeSpan(1000), false); |
广大研究人员可以使用下列命令将项目源码克隆至本地:
git clone https://github.com/jasondrawdy/Forerunner.git
在网络安全研究过程中,扫描一个网络是一种非常常见的任务了,因此我们应该通过尽可能简单的方法来实现这个目标,以方便未来的安全研究人员去做同样的事情。Forerunner是一个完全面向对象的功能库,因此非常适合所谓“即插即用”的情况。其中,用于IP扫描的对象被称之为IPScanObject
,这个对象包含了下列几种参数属性:
Address (String)
IP (IPAddress)
Ping (Long)
Hostname (String)
MAC (String)
isOnline (Bool)
Errors (Exception)
有了对象的概念之后,我们可以尝试创建一个新的对象,并使用它来执行一次扫描任务。最简单的方法就是先创建一个新的Scanner
对象,并通过它来访问我们的扫描方法。接下来,创建一个IPScanObject
对象,并使用目标IP地址来设置其Scan
方法。
using System;using Forerunner; // Remember to import our library.namespace Example{ class Program { static void Main(string[] args) { // Our IP we would like to scan. string ip = "192.168.1.1"; // Create a new scanner object. Scanner s = new Scanner(); // Create a new scan object and perform a scan. IPScanObject result = s.Scan(ip); // Output that we have finished the scan. if (result.Errors != null) Console.WriteLine("[x] An error occurred during the scan."); else Console.WriteLine("[+] " + ip + " has been successfully scanned!") // Allow the user to exit at any time. Console.Read(); } }}
另一种方法是创建Scanner
对象并订阅ScanAsyncProgressChanged
或ScanAsyncComplete
之类的事件处理程序,这样我可以完全控制异步方法,我可以控制它们影响应用程序的进度状态等等。
using System;using System.Threading.Tasks;using Forerunner; // Remember to import our library.namespace Example{ class Program { static void Main(string[] args) { // Our IP we would like to scan. string ip = "192.168.1.1"; // Setup our scanner object. Scanner s = new Scanner(); s.ScanAsyncProgressChanged += new ScanAsyncProgressChangedHandler(ScanAsyncProgressChanged); s.ScanAsyncComplete += new ScanAsyncCompleteHandler(ScanAsyncComplete); // Start a new scan task with our ip. TaskFactory task = new TaskFactory(); task.StartNew(() => s.ScanAsync(ip)); // Allow the user to exit at any time. Console.Read(); } static void ScanAsyncProgressChanged(object sender, ScanAsyncProgressChangedEventArgs e) { // Do something here with e.Progress, or you could leave this event // unsubscribed so you wouldn't have to do anything. } static void ScanAsyncComplete(object sender, ScanAsyncCompleteEventArgs e) { // Do something with the IPScanObject aka e.Result. if (e.Result.Errors != null) Console.WriteLine("[x] An error occurred during the scan."); else Console.WriteLine("[+] " + e.Result.IP + " has been successfully scanned!") } }}
跟IP地址扫描一样,端口扫描可以通过一组预定义的端口来尝试进行端口连接,并检查目标端口是否真正开启。它将尝试通过与每个端口进行连接并发送数据包来进行端口探测。这个功能同样是通过一个自定义对象来实现的,即"Port Knock Scan Object
",简称为“PKScanObject
”。 PKScanObject
对象实际上包含一个PKServiceObjects
列表,该列表将保存返回的全部端口数据,该服务对象包含下列参数属性:
IP (String)
Port (Int)
Protocol (PortType)
Status (Bool)
首先,我们需要创建一个Scanner
对象,然后创建一个新的PKScanObject
对象并使用目标IP来设置PortKnock
方法,然后工具将显示扫描结果给我们。
using System;using Forerunner; // Remember to import our library.namespace Example{ class Program { static void Main(string[] args) { // Our IP we would like to scan. string ip = "192.168.1.1"; // Create a new scanner object. Scanner s = new Scanner(); // Create a new scan object and perform a scan. PKScanObject result = s.PortKnock(ip); // Output that we have finished the scan. if (result.Errors != null) Console.WriteLine("[x] An error occurred during the scan."); else Console.WriteLine("[+] " + ip + " has been successfully scanned!") // Display our results. foreach (PKServiceObject port in result.Services) { Console.WriteLine("[+] IP: " + port.IP + " | " + "Port: " + port.Port.ToString() + " | " + "Protocol: " + port.Protocol.ToString() + " | " + "Status: " + port.Status.ToString()); } // Allow the user to exit at any time. Console.Read(); } }}
using System;using System.Threading.Tasks;using Forerunner; // Remember to import our library.namespace Example{ class Program { static void Main(string[] args) { // Our IP we would like to scan. string ip = "192.168.1.1"; // Setup our scanner object. Scanner s = new Scanner(); s.PortKnockAsyncProgressChanged += new PortKnockAsyncProgressChangedHandler(PortKnockAsyncProgressChanged); s.PortKnockAsyncComplete += new PortKnockAsyncCompleteHandler(PortKnockAsyncComplete); // Start a new scan task with our ip. TaskFactory task = new TaskFactory(); task.StartNew(() => s.PortKnockAsync(ip)); // Allow the user to exit at any time. Console.Read(); } static void PortKnockAsyncProgressChanged(object sender, PortKnockAsyncProgressChangedEventArgs e) { // Display our progress so we know the ETA. if (e.Progress == 99) { Console.Write(e.Progress.ToString() + "%..."); Console.WriteLine("100%!"); } else Console.Write(e.Progress.ToString() + "%..."); } static void PortKnockAsyncComplete(object sender, PortKnockAsyncCompleteEventArgs e) { // Tell the user that the port knock was complete. Console.WriteLine("[+] Port Knock Complete!"); // Check if we resolved an error. if (e.Result == null) Console.WriteLine("[X] The port knock did not return any data!"); else { // Check if we have any ports recorded. if (e.Result.Services.Count == 0) Console.WriteLine("[!] No ports were open during the knock."); else { // Display our ports and their details. foreach (PKServiceObject port in e.Result.Services) { Console.WriteLine("[+] IP: " + port.IP + " | " + "Port: " + port.Port.ToString() + " | " + "Protocol: " + port.Protocol.ToString() + " | " + "Status: " + port.Status.ToString()); } } } } }}
Forerunner项目的开发和发布遵循MIT开源许可证协议。
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