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	<title>Chipit.se</title>
	<atom:link href="http://www.chipit.se/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.chipit.se</link>
	<description>It&#039;s all about knowledge</description>
	<lastBuildDate>Wed, 23 Nov 2011 18:46:33 +0000</lastBuildDate>
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		<title>Reverse Engineering</title>
		<link>http://www.chipit.se/2011/11/23/reverse-engineering/</link>
		<comments>http://www.chipit.se/2011/11/23/reverse-engineering/#comments</comments>
		<pubDate>Wed, 23 Nov 2011 18:46:33 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.chipit.se/?p=89</guid>
		<description><![CDATA[Long since i updated this page, all my spare time have gone into reverse engineering different cryptos and compressions lately. Perhaps it's time to write a beginners tutorial how to reverse PowerPC assembly with aim on the Xbox360 and PS3 architecture. For all my latest work visit www.360haven.com.]]></description>
			<content:encoded><![CDATA[<p>Long since i updated this page, all my spare time have gone into reverse engineering different cryptos and compressions lately. Perhaps it's time to write a beginners tutorial how to reverse PowerPC assembly with aim on the Xbox360 and PS3 architecture.</p>
<p>For all my latest work visit www.360haven.com.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DnD Daggerdale Savegame Resigner v1.0</title>
		<link>http://www.chipit.se/2011/06/07/dnd-daggerdale-savegame-resigner-v1-0/</link>
		<comments>http://www.chipit.se/2011/06/07/dnd-daggerdale-savegame-resigner-v1-0/#comments</comments>
		<pubDate>Tue, 07 Jun 2011 16:59:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Windows]]></category>
		<category><![CDATA[Xbox 360]]></category>
		<category><![CDATA[checksum]]></category>
		<category><![CDATA[Daggerdale]]></category>
		<category><![CDATA[DnD]]></category>
		<category><![CDATA[resigner]]></category>
		<category><![CDATA[savegame]]></category>

		<guid isPermaLink="false">http://www.chipit.se/?p=71</guid>
		<description><![CDATA[This resigner will resign your modified savegames with the correct checksum again. Usage: Usage: dnd_dagger.exe &#60;pc &#124; xb&#62; &#60;savefile&#62; &#160; Features: PC Support Xbox360 Support Enjoy! Download]]></description>
			<content:encoded><![CDATA[<p>This resigner will resign your modified savegames with the correct checksum again.</p>
<h3>Usage:</h3>
<p>Usage: dnd_dagger.exe &lt;pc | xb&gt; &lt;savefile&gt;</p>
<p>&nbsp;</p>
<h3>Features:</h3>
<ul>
<li>PC Support</li>
<li>Xbox360 Support</li>
</ul>
<p>Enjoy!</p>
<p><a title="Download" href="http://www.megaupload.com/?d=N4ME37SB">Download</a></p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Yohoho! Puzzle Pirates carpentry bot cracked</title>
		<link>http://www.chipit.se/2011/05/26/ypp-carpentry-bot/</link>
		<comments>http://www.chipit.se/2011/05/26/ypp-carpentry-bot/#comments</comments>
		<pubDate>Thu, 26 May 2011 15:33:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[bot]]></category>
		<category><![CDATA[carp]]></category>
		<category><![CDATA[crack]]></category>
		<category><![CDATA[cracked]]></category>
		<category><![CDATA[free]]></category>
		<category><![CDATA[Puzzle Pirates]]></category>
		<category><![CDATA[ypp]]></category>

		<guid isPermaLink="false">http://www.chipit.se/?p=48</guid>
		<description><![CDATA[PuzSol KoW is the only carp bot available as far as i know, and to use it you need to buy yourself a authorization code. Well no more, as i wanted this bot for myself i decided to start some reverse engineering on this piece of software. As i started to reverse engineer this piece [...]]]></description>
			<content:encoded><![CDATA[<p>PuzSol KoW is the only carp bot available as far as i know, and to use it you need to buy yourself a authorization code. Well no more, as i wanted this bot for myself i decided to start some reverse engineering on this piece of software.</p>
<p>As i started to reverse engineer this piece of software, i quickly noticed that this was protected by SmartAssembly (a .NET protector). This includes Strong Name, Anti- Tampering protection and encrypted strings, opcodes. You name it!</p>
<p>After removing the SA protection, there where a couple of custom protection aswell:</p>
<p>1) When you launch the application it will make a HTTP request to "<strong>http://www.whatismyip.com/automation/n09230945.asp</strong>", this is used to get your IP-address and this will later be sent to the authorization server.</p>
<p>2) When IP-address has been aquired it makes a second HTTP request to "<strong>http://www.sheerbilge.tk/carp/auth116.php?a=&lt;ip address&gt;&amp;b=&lt;Windows Identity Name&gt;&amp;c=&lt;Random number&gt;</strong>". This is the part where the actual authorization is taking place, the reply from the server is then sent back to the software using TripleDES encryption, more on that later.</p>
<p>3) Next request is to "<strong>http://www.sheerbilge.tk/carp/check2.php</strong>" where your IP-address is probably checked against the database and also recorded.</p>
<p>4) Now if all this went well there are 2 more custom checks, these are located at the "piece rotate" functionality. This is will make the bot to switch the pieces the wrong way and that way make it "suck".</p>
<p>5) The last thing is that the software makes a HTTP request every 30 minutes to "<strong>http://www.sheerbilge.tk/carp/time.php</strong>" to check that the session is valid.</p>
<p>These are more or less the checks within this software, and also a creation of a .bat file that will do some evil stuff to your computer.</p>
<h3>Progress</h3>
<p>Now i'm quite done with my reversing of this software, and this is what i have done:</p>
<ul>
<li>Removed all WWW callbacks.</li>
<li>Patched the authentication code check so you can enter any code you like <img src='http://www.chipit.se/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> .</li>
<li>Removed the "evil" .bat file creation that upon execution can harm your system.</li>
<li>Removed / Fixed checks that if the reply from authentication does not match a value the bot will not turn pieces correctly.</li>
<li>Removed Application.Exit() when whatismyip.com fails.</li>
</ul>
<p>While it's almost complete there are some more things to verify before i think the crack is final and is ready for a release.</p>
<h3>Encryption</h3>
<p>The encryption used with the HTTP requests is TripleDES, and it's only the reply from the server that uses the encryption as the request itself contains no data.</p>
<div class="codecolorer-container text default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">edes = TripleDES.Create();<br />
edes.IV = Encoding.ASCII.GetBytes(&quot;passwor1&quot;);<br />
edes.Key = Encoding.ASCII.GetBytes(&quot;passwordDR0wSS@P6660&quot; + &quot;random number&quot;);<br />
edes.Mode = CipherMode.CBC;<br />
edes.Padding = PaddingMode.Zeros;</div></div>
<p>* Random number is the same number that is sent within the request.</p>
<h3>Download</h3>
<p><a title="Releases" href="http://www.chipit.se/releases/">Download here</a></p>
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		</item>
		<item>
		<title>Risen</title>
		<link>http://www.chipit.se/2011/05/05/risen/</link>
		<comments>http://www.chipit.se/2011/05/05/risen/#comments</comments>
		<pubDate>Thu, 05 May 2011 13:52:41 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Xbox 360]]></category>

		<guid isPermaLink="false">http://www.chipit.se/?p=43</guid>
		<description><![CDATA[So, i started playing this game a long time ago but as the controls for the Xbox 360 not working as well as it does on the PC i decided to stop playing. Now i want to continue where i left off, but first i thought i would patch the game to make the controls [...]]]></description>
			<content:encoded><![CDATA[<p>So, i started playing this game a long time ago but as the controls for the Xbox 360 not working as well as it does on the PC i decided to stop playing.</p>
<p>Now i want to continue where i left off, but first i thought i would patch the game to make the controls much better and actually working.</p>
<p>:update:</p>
<p>So now after spending quite a lot of hours in IDA pro, i have started to make changes that will improve the game experience.</p>
<ul>
<li>Fix the annoying controls where you will turn 360 degr. instead of turning 90 degr.</li>
<li>Fixed a couple of bugs that where fixed in the PC version but not on the console.</li>
<li>Semi- added debug info.</li>
</ul>
]]></content:encoded>
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		</item>
		<item>
		<title>de Blob 2</title>
		<link>http://www.chipit.se/2011/04/21/de-blob-2/</link>
		<comments>http://www.chipit.se/2011/04/21/de-blob-2/#comments</comments>
		<pubDate>Thu, 21 Apr 2011 08:26:52 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Xbox 360]]></category>

		<guid isPermaLink="false">http://www.chipit.se/?p=32</guid>
		<description><![CDATA[I spent some time looking into this game, for now this is what i can share. struct deBlob2 { unsigned int Magic; unsigned int fileSize; unsigned int checksum; // I believe this is the checksum };]]></description>
			<content:encoded><![CDATA[<p>I spent some time looking into this game, for now this is what i can share.</p>
<div class="codecolorer-container text default" style="overflow:auto;white-space:nowrap;border:1px solid #9F9F9F;width:435px;"><div class="text codecolorer" style="padding:5px;font:normal 12px/1.4em Monaco, Lucida Console, monospace;white-space:nowrap">struct deBlob2 {<br />
unsigned int Magic;<br />
unsigned int fileSize;<br />
unsigned int checksum; // I believe this is the checksum<br />
};</div></div>
]]></content:encoded>
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		</item>
		<item>
		<title>Crysis 2</title>
		<link>http://www.chipit.se/2011/04/19/crysis-2/</link>
		<comments>http://www.chipit.se/2011/04/19/crysis-2/#comments</comments>
		<pubDate>Tue, 19 Apr 2011 09:39:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[PS3]]></category>
		<category><![CDATA[Windows]]></category>
		<category><![CDATA[Xbox 360]]></category>

		<guid isPermaLink="false">http://www.chipit.se/wordpress/?p=12</guid>
		<description><![CDATA[Crysis 2 (CRYe) encryption has now been fully reversed, i can now decrypt and encrypt any files using this encryption.]]></description>
			<content:encoded><![CDATA[<p>Crysis 2 (CRYe) encryption has now been fully reversed, i can now decrypt and encrypt any files using this encryption.</p>
]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Welcome</title>
		<link>http://www.chipit.se/2011/04/19/welcome/</link>
		<comments>http://www.chipit.se/2011/04/19/welcome/#comments</comments>
		<pubDate>Tue, 19 Apr 2011 09:08:25 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.chipit.se/wordpress/?p=10</guid>
		<description><![CDATA[Welcome to my reverse engineering site, i will post updates about my recent projects im working on here.]]></description>
			<content:encoded><![CDATA[<p>Welcome to my reverse engineering site, i will post updates about my recent projects im working on here.</p>
]]></content:encoded>
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