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HTML Binary Hacks & GIF89a Ployglot
http://conferences.yapcasia.org/ya2008/talk/1299
HTML Binary Hacks & GIF89a Ployglot
- 1.HTML Binary Hacks- GIF89a Polyglot - Cybozu Labs, Inc. TAKESAKO <takesako@shibuya.pm.prg>
- 2.I’ll show you, HTML 2.0 hacks.
- 3.1.0 HTML BrowserDetection
- 4.HTML Quiz <imgsrc=”1.gif” src=”2.gif”> (1) 1.gif (2) 2.gif (3) N/A Answers. Q1. What will you see? (on your browser)
- 5.Q2. What’s this?<img /src = ”1.gif” ”” src{\x00} = ”2.gif” ’ src{\x0c} = ”3.gif” src = ”4.gif” /> (1) 1.gif (2) 2.gif (3) 3.gif (4) 4.gif Answers. -> ie -> Safari -> firefox -> others
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- 7.print<<EOF; <img /src\x00 ="ie.gif" /''src \x00 ="firefox1_5.gif" /''src="firefox2_0.gif" /""src="gecko_others.gif" "s \x00 rc="safari2.gif" "src="safari3.gif" ""src="konqueror.gif" src \x00 ="w3m.gif" src \x0c ="opera.gif" src="others.gif" src="lynx.gif" /> EOF
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- 10.It can detect“Konqueror”, “Safari2” !
- 11.No JavaScript &No CSS hacks
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- 14.Mozilla/5.0 (PLAYSTATION 3;1.00) others.gif
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- 18.Animation GIF image Yappoc.gif
- 19.どう見ても Yappo です本当にありがとう ございました（ｒｙ
- 20.Polyglot DEMO HTML/CSS& JS & Perl & GIF89a
- 21.JavaScript in GIFGIF89a( q /*....../);sub GIF89a{print "Hello Perl!"} __END__#*/ =1 );function GIF89a(){alert("Hello JavaScrpt!")} /*<body style=visibility:hidden> <div style=position:relative;visibility:visible> <h1>Hello HTML!</h1><!-- ................................................ ................................................ ................................................ ................................................ --><img src=?> <script src=# language=JavaScript></script></div> */ // ;
- 22.HTML/CSS in GIFGIF89a(q/*....../);sub GIF89a{print "Hello Perl!"} __END__#*/=1);function GIF89a(){alert("Hello JavaScrpt!")} /* <body style=visibility:hidden> <div style=position:relative;visibility:visible> <h1>Hello HTML!</h1> <!-- ................................................ ................................................ ................................................ ................................................ --> <img src=?> <script src=# language=JavaScript></script> </div> */// ;
- 23.Perl in GIFGIF89a(q /*....../ );sub GIF89a{print "Hello Perl!"} __END__ #*/=1);function GIF89a(){alert("Hello JavaScrpt!")} /*<body style=visibility:hidden> <div style=position:relative;visibility:visible> <h1>Hello HTML!</h1><!-- ................................................ ................................................ ................................................ ................................................ --><img src=?> <script src=# language=JavaScript></script></div> */// ;
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