http://slashdot.jp/sp/binary2008/data/hh.gif
* This GIF file is
- a GIF file which shows "Happy Hacking".
- a MS-DOS COM program which shows "Happy Hacking".
% cp hh.gif
% dosemu -dumb hh.com
Happy Hacking!
- a Perl program which converts a ASCII formatted COM file.
If you provide no arguments, it converts itself. So, you can do
% perl hh.gif > hh.pl.com
% dosemu -dumb hh.pl.com
Happy Hacking!
There are no binaries or control code in hh.pl.com.
- a Ruby program which converts a ASCII formatted COM file.
% ruby hh.gif > hh.rb.com
% dosemu -dumb hh.rb.com
Happy Hacking!
- the Perl program shows "be" if you provide 1111 as the command line option.
% perl hh.gif 1111
be
- a Java program in jar which shows "assimilated".
% java -jar hh.gif
assimilated
- the word *WILL* is hidden in the GIF file in UTF8.
- this is an animation GIF, after waiting 10mins, the image shows "You".
- "Resistance" is embed in this GIF image.
http://shinh.skr.jp/misc/dat_dir/steg.gif
* The outputted ASCII formatted COM file is
- a COM file
- a Perl program which produces the original COM file
% diff =(perl hh.pl.com) hh.com
% diff =(perl hh.rb.com) hh.com
%
- a Ruby program which produces the original COM file
% diff =(ruby hh.pl.com) hh.com
% diff =(ruby hh.rb.com) hh.com
%
- a Python program which outputs "futile"
% python hh.pl.com
futile
- a Haskell program which outputs "is"
% cp hh.pl.com hh.hs
% ghc hh.hs
% ./a.out
is
* Overall, the hidden phrases are "Resistance is futile. You will be assimilated"
Here is the archive to create this file
