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Thread: Reversing "Encrypted" HTML pages

  1. #1

    Reversing "Encrypted" HTML pages

    Here's something interesting for all you Javascript reversers out there. Attempts at "protecting" the source code of web pages.

    (In approximate order of increasing difficulty, from trivial to... moderate)

    http://www.moonlight-software.com/webcrypt-pro-in-action.htm
    http://www.aevita.com/web/lock/samples.htm
    http://www.mtopsoft.com/encryptpro/example1.htm
    http://www.htmlblock.co.uk/demo.php
    http://www.flashpeak.com/crypthtml/index_enc.htm <- comment says "Feel free with any attempt to obtain the source code."
    { http://www.protware.com/e_demo.htm http://www.protware.com/demo_e.htm } approximately the same difficulty

    Can you get the original source? Have phun


    There are many more of these (IMHO rather pathetic) attempts at "protecting" webpages, but I wasn't able to find any example pages for them.

  2. #2
    King of Redonda
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    Pathetic indeed.. All but protware were easily found with Ctrl-A -> Right-Click -> Show source of selection (FireFox 1.5, don't now about others).

    Protware redirects you if you select text, so either save the page or go to the DOM Inspector -> Right-Click "#document" -> Copy XML.

    Less than 5 minutes work.

    P.S. Protware has referer checking, so either enter from http://protware.com or spoof it.
    Last edited by fr33ke; October 29th, 2006 at 08:04.
    <[TN]FBMachine> i got kicked out of barnes and noble once for moving all the bibles into the fiction section

  3. #3
    Good work!

    Yet another example of how FireFox is better than IE

    (Yes, all these are just a little bit harder without our furry friend

  4. #4
    Super Moderator Shub-nigurrath's Avatar
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    The normal developers tools are great for these pages, the javascript debugger for FF also can solve any of these pages easily (things like FireBUG, or Venkman JavaScript Debugger, I use). Anyway the protection tool is a good attempt to avoid scripting and kiddies out of your pages..

    or even simpler, with MenuX, which opens contextual menus via button (then not disabled) select "Save Generated Page"
    Last edited by Shub-nigurrath; October 30th, 2006 at 05:54.
    (`._.[*~-.,.-~* ŜħůβŇĝŕřāŧħ ₪*~-.,.-~*]._.)
    There are only 10 types of people in the world: Those who understand binary, and those who don't
    http://www.accessroot.com

  5. #5
    P.S. Protware has referer checking, so either enter from http://protware.com or spoof it.
    Related topic, anyone know of a plugin for firefox that will prompt for a referrer URL before loading a page with it? Google finds me lots of references to some company called Openly, which doesn't appear to be relevant to my search at all...
    Still here...

  6. #6
    Super Moderator Shub-nigurrath's Avatar
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    if you search in the addons pages of FF site, with the word "referrers" you will find a couple of addins that does what you need.
    (`._.[*~-.,.-~* ŜħůβŇĝŕřāŧħ ₪*~-.,.-~*]._.)
    There are only 10 types of people in the world: Those who understand binary, and those who don't
    http://www.accessroot.com

  7. #7
    Oh, handy, thanks. Wonder how I missed that (there's one there that does what I want, "refspoof").
    Still here...

  8. #8
    I just use Proxomitron to do that... it can also do some other interesting thing with webpages too

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