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	<title>arm &#8211; SCRT Team Blog</title>
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		<title>Insomni&#8217;hack 2013 &#8211; Armory level3</title>
		<link>/2013/04/04/insomnihack-2013-armory-level3/</link>
		
		<dc:creator><![CDATA[blogscrt]]></dc:creator>
		<pubDate>Thu, 04 Apr 2013 15:23:17 +0000</pubDate>
				<category><![CDATA[Insomni'hack]]></category>
		<category><![CDATA[arm]]></category>
		<category><![CDATA[crackme]]></category>
		<category><![CDATA[raspberry pi]]></category>
		<category><![CDATA[reverse engineering]]></category>
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					<description><![CDATA[This challenge was the last level on the ARM platform. It was a crackme with a stripped binary including a basic anti-debugging trick. Sadly, only one team managed to complete this challenge before the end of Insomni&#8217;hack and another wasn&#8217;t far from what we discussed later. Running the binary alone we can learn that two &#8230; <a href="/2013/04/04/insomnihack-2013-armory-level3/" class="more-link">Continue reading <span class="screen-reader-text">Insomni&#8217;hack 2013 &#8211; Armory level3</span></a>]]></description>
		
		
		
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		<title>Insomni&#8217;hack 2013 Armory level1 &#038; level2</title>
		<link>/2013/04/04/insomnihack-2013-armory-level1-level2/</link>
		
		<dc:creator><![CDATA[blogscrt]]></dc:creator>
		<pubDate>Thu, 04 Apr 2013 11:47:45 +0000</pubDate>
				<category><![CDATA[Insomni'hack]]></category>
		<category><![CDATA[arm]]></category>
		<category><![CDATA[exploitation]]></category>
		<category><![CDATA[raspberrypi]]></category>
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					<description><![CDATA[Level1 should be pretty straightforward. Looking at the assenbly, you can see that it prints the current working directory by using system(&#8220;pwd&#8221;) and then strcpy user controlled data to a fixed size buffer. Stack is NX so we need to ret2libc, pretty easy here as the address of system is known inside the binary: So, &#8230; <a href="/2013/04/04/insomnihack-2013-armory-level1-level2/" class="more-link">Continue reading <span class="screen-reader-text">Insomni&#8217;hack 2013 Armory level1 &#38; level2</span></a>]]></description>
		
		
		
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