A zip bomb, also known as a Zip of Death, is a malicious archive file designed to crash or render useless the program or system reading it. It is often used by virus writers to disable antivirus software, so that a more traditional virus sent afterwards could get into system undetected. A zip bomb is usually a small file (up to a few hundred kilobytes) for ease of transport and to avoid suspicion. However, when the file is unpacked its contents are more than the system can handle.You can make your own zip bomb to annoy your friends or just out of curiosity (or wilderness) to experiment with it. Make sure you don’t detonate it on yourself.

Here is how to make your own Zip Bomb of Death -

1. Create a new text file,name it a.txt
2. Open and type the null character (alt + 255) in it.
3. Now press Ctrl + A then Ctrl + V a couple times to make some null bytes.
4. Open Command prompt and navigate to the folder containing a.txt . Type the following command:

copy /b *.txt b.txt

This will write all the contents of a.text and its copies into a new text file called b.txt,hence making every copy is a super copy. Repeat the above steps from the beginning again and again to make a really big text file.

Once u have a nice empty big text file like 1gb or more,then compress it using Winrar or Winzip into a zip file.

You will find that it will be compressed to very small size (about 1MB ). It is because of the simple construction of the file as the text file contains 1gb of null bytes.

Make sure that YOU DONT OPEN THIS afterwards.

You can make the same file in Linux by typing -

dd if=/dev/zero bs=1000 count=1000000 | gzip > test.gz

Send it to your friends (or foes) and it will definitely annoy them . Use some creativity and rename the text file into some thing like Angelina Jolie.jpg and compress it and email to your friends. Once they download it,they will never be able to download again (sarcasm..sarcasm).More disastrous combinations can be made by experimenting with it.I get the idea 

If you are too lazy like me and you don’t want to do all this then you can download the most dangerous zip bombs of all time from
 here. This size of this zip is only 42 KB which will uncompress to about 4 Petabytes (1 Peta byte = 1024 TB and 1 TB = 1024 GB ) of file size.

Have fun & HACK THE HECK... ;)

-      ¤®äå¤


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