java实现端口弱口令扫描
时间: 2023-07-18 19:27:09 浏览: 65
Java可以使用Socket类来实现端口弱口令扫描。以下是一个简单的示例代码:
```java
import java.io.*;
import java.net.*;
public class PortScanner {
public static void main(String[] args) {
String host = "localhost";
int startPort = 1;
int endPort = 65535;
String username = "admin";
String password = "admin";
for (int port = startPort; port <= endPort; port++) {
try {
Socket socket = new Socket();
socket.connect(new InetSocketAddress(host, port), 1000);
System.out.println("Port " + port + " is open");
OutputStream os = socket.getOutputStream();
InputStream is = socket.getInputStream();
BufferedReader br = new BufferedReader(new InputStreamReader(is));
String response = br.readLine();
if (response.contains("login")) {
os.write((username + "\r\n").getBytes());
os.flush();
response = br.readLine();
os.write((password + "\r\n").getBytes());
os.flush();
response = br.readLine();
if (response.contains("OK")) {
System.out.println("Port " + port + " has weak password");
}
}
os.close();
is.close();
socket.close();
} catch (Exception e) {
// Port is closed or filtered
}
}
}
}
```
该程序将扫描主机“localhost”的所有端口,并尝试使用用户名“admin”和密码“admin”进行登录。如果登录成功,则表明该端口存在弱口令。可以根据需要更改主机、起始端口、结束端口、用户名和密码。请注意,这只是一个简单的示例,实际应用中需要更加谨慎地使用。