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	<title>Externalist's Blog &#187; Externalist</title>
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		<title>[defcon18 ctf] mashup writeup</title>
		<link>http://externalist.net/?p=46</link>
		<comments>http://externalist.net/?p=46#comments</comments>
		<pubDate>Fri, 06 Aug 2010 10:15:10 +0000</pubDate>
		<dc:creator>Externalist</dc:creator>
				<category><![CDATA[Reverse Engineering]]></category>

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		<description><![CDATA[This is my writeup for mashup. We didn&#8217;t manage to finish it in time but we were so close&#8230; :_(
Hope you enjoy. Have Phun!
http://www.sendspace.com/file/ujwgqu
]]></description>
			<content:encoded><![CDATA[<p>This is my writeup for mashup. We didn&#8217;t manage to finish it in time but we were so close&#8230; :_(</p>
<p>Hope you enjoy. Have Phun!</p>
<p>http://www.sendspace.com/file/ujwgqu</p>
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		<title>Reverse Bottle Adventure</title>
		<link>http://externalist.net/?p=44</link>
		<comments>http://externalist.net/?p=44#comments</comments>
		<pubDate>Sun, 21 Mar 2010 04:50:16 +0000</pubDate>
		<dc:creator>Externalist</dc:creator>
				<category><![CDATA[Reverse Engineering]]></category>

		<guid isPermaLink="false">http://externalist.net/?p=44</guid>
		<description><![CDATA[I&#8217;m a real big Zelda fan and today I came across this site where people discover/discuss about glitches in Zelda to beat the game as fast as possible, also known as Speedruns. There is a section in &#8216;Zelda Ocarina of Time&#8217; called Reverse Bottle Adventure and it explains how they use a glitch in the [...]]]></description>
			<content:encoded><![CDATA[<p>I&#8217;m a real big Zelda fan and today I came across this site where people discover/discuss about glitches in Zelda to beat the game as fast as possible, also known as Speedruns. There is a section in &#8216;Zelda Ocarina of Time&#8217; called <a href="http://zeldaspeedruns.com/site/index.php?link=oot/ba/rba">Reverse Bottle Adventure</a> and it explains how they use a glitch in the game to modify a value in a memory address. It can write any value to certain addresses quite reliably just by switching though various items. If used correctly, one can modify a value in a certain address to make the game &#8216;think&#8217; that all stages are cleared except Ganon&#8217;s Castle, and upon saving and restarting the game, one can go straight to Ganon&#8217;s Castle without beating ANY bosses. That&#8217;s quite awesome I must say. <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>There was another case a long time ago in Starcraft where one can generate a specially crafted map to write any value to any address which extends the map&#8217;s features. However, running on a PC, it posed a serious threat to all the starcraft users(naively downloading and playing a malicious map without knowing the game is executing arbitrary code injected by the map) so Blizzard ended up patching it, and the Starcraft Map making community, mainly the people who spent lots of time creating a map with the extended features went completely berserk cursing Blizzard for the next couple months. <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />  I just thought it was interesting to see hardcore gamers use a flaw in the game to their advantage and end up with some arbitrary memory write vulnerability.</p>
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		<item>
		<title>sc_2 hacking for fun and profit</title>
		<link>http://externalist.net/?p=41</link>
		<comments>http://externalist.net/?p=41#comments</comments>
		<pubDate>Fri, 12 Mar 2010 12:58:35 +0000</pubDate>
		<dc:creator>Externalist</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://externalist.net/?p=41</guid>
		<description><![CDATA[Deobfuscator for&#8230; something heh
http://www.sendspace.com/file/cbndv5
Check out our team&#8217;s loader:
_http://darkblizz.org/Forum2/sc2-tools/starcrack-launcher-with-color-and-race-selection/
Have Phun!
]]></description>
			<content:encoded><![CDATA[<p>Deobfuscator for&#8230; something heh</p>
<p>http://www.sendspace.com/file/cbndv5</p>
<p>Check out our team&#8217;s loader:</p>
<p>_http://darkblizz.org/Forum2/sc2-tools/starcrack-launcher-with-color-and-race-selection/</p>
<p>Have Phun!</p>
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		<title>ARTeam: ezine number 4th</title>
		<link>http://externalist.net/?p=33</link>
		<comments>http://externalist.net/?p=33#comments</comments>
		<pubDate>Thu, 26 Mar 2009 10:44:22 +0000</pubDate>
		<dc:creator>Externalist</dc:creator>
				<category><![CDATA[Reverse Engineering]]></category>

		<guid isPermaLink="false">http://externalist.org/?p=33</guid>
		<description><![CDATA[Hi everybody,
it&#8217;s a great pleasure to announce the release of the new issue of our eZine. It was a real hard work to assemble all these contributions, but the final result in my opinion is really good.
A 160 pages issue with releases, hopefully all of quality.
Coming to this issue, it is focused on non-windows reversing, [...]]]></description>
			<content:encoded><![CDATA[<blockquote><p>Hi everybody,<br />
it&#8217;s a great pleasure to announce the release of the new issue of our eZine. It was a real hard work to assemble all these contributions, but the final result in my opinion is really good.</p>
<p>A 160 pages issue with releases, hopefully all of quality.</p>
<p>Coming to this issue, it is focused on <strong>non-windows reversing, or better on non-win32 reversing</strong>. There are insights into the Linux world (Externalist, Gunther) and the Palm (wast3d_bytes has released independently another Palm issue, which has been extended exclusively for this eZine, I also added an interesting video tutorial from Suntzu). There are also two interesting contributions into .NET advanced concepts and one about classical reversing from Gyver75, which I added for the passion for reversing it clearly shows, besides quality of the work. This walkthrough is completed by a series of video tutorials prepared by argv about live debugging Symbian systems, not only using IDA. The non-win32 tutorials are just a completion of the activity we had already started a long time ago, investigating new reversing worlds like the already known Symbian, iPhone, .NET and Mac.</p>
<p>Very soon our new web site will finally open, meanwhile you can find this issue on our mirror:<br />
<a href="http://xchg.info/ARTeam/Tutorials/index.php?dir=ARTeam_eZine/&amp;file=ARTeam_eZine_Number4.rar" target="_blank">http://xchg.info/ARTeam/Tutorials/index.ph&#8230;ine_Number4.rar</a><br />
(it&#8217;s a 44Mb pack. sorry, but the supplements are several)</p>
<p>Have phun.</p>
<p>BR,<br />
Shub</p></blockquote>
<p> </p>
<p> </p>
<p>Finally, ARTeam e-zine is out! <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />  It was a very long wait indeed. I myself have made a contribution &#8220;Reversing Binary500(2008)&#8221; which I wrote about 8 months ago, and finally it gets to see the light of day! Hope the readers enjoy it, although frankly speaking, I&#8217;m a bit embarrassed at the content and quality of my article(nothing groundbreaking), but if it serves good as a tutorial, then I guess I didn&#8217;t waste my time. <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />  Have Phun then! <img src='http://externalist.net/wp-includes/images/smilies/icon_biggrin.gif' alt=':D' class='wp-smiley' /> </p>
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		<item>
		<title>Reversing MFC Applications</title>
		<link>http://externalist.net/?p=25</link>
		<comments>http://externalist.net/?p=25#comments</comments>
		<pubDate>Tue, 18 Nov 2008 13:35:57 +0000</pubDate>
		<dc:creator>Externalist</dc:creator>
				<category><![CDATA[Reverse Engineering]]></category>

		<guid isPermaLink="false">http://externalist.net/?p=25</guid>
		<description><![CDATA[This is by no means the best way, but one of the many methods that are applicable in MFC reversing. I just recently started getting back to RCE and found myself banging my head against the wall numerous times when it came to MFC reversing. So I did a little study on the subject and [...]]]></description>
			<content:encoded><![CDATA[<blockquote><p>This is by no means the best way, but one of the many methods that are applicable in MFC reversing. I just recently started getting back to RCE and found myself banging my head against the wall numerous times when it came to MFC reversing. So I did a little study on the subject and after I was done, I asked myself &#8220;Why not assemble everything I learned along the process into one nice little piece?&#8221; and that&#8217;s how this tutorial was written.<br />
I hope it&#8217;ll be helpful for at least a few people who had troubles reversing MFC apps, and if there is a better/easier way, please let me know. <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p></blockquote>
<p>Download <a href="http://externalist.net/wp-content/uploads/2008/11/reversing-mfc-applications.rar">reversing-mfc-applications</a></p>
<p>Copied and pasted from tuts4you board. <img src='http://externalist.net/wp-includes/images/smilies/icon_razz.gif' alt=':P' class='wp-smiley' /> </p>
<p>The document is already uploaded on tuts4you but after a while, I did some proofreading and fixed a lot of erratas so this version should be more accurate. Hope this will relieve some people from MFC reversing nightmares. <img src='http://externalist.net/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
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