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		<title>rbaced &#8211; a CTF introduction to grsecurity&#8217;s RBAC</title>
		<link>/2016/01/19/rbaced-a-ctf-introduction-to-grsecurity-rbac/</link>
		
		<dc:creator><![CDATA[blogscrt]]></dc:creator>
		<pubDate>Tue, 19 Jan 2016 17:08:21 +0000</pubDate>
				<category><![CDATA[Insomni'hack]]></category>
		<category><![CDATA[buffer overflow]]></category>
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		<category><![CDATA[rop]]></category>
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					<description><![CDATA[Description rbaced was a pwnable challenge at last week-end&#8217;s Insomni&#8217;hack Teaser, split in 2 parts: rbaced1 and rbaced2. TL;DR: grsecurity/PaX can prevent introducing executable memory in a process or execute untrusted binaries, and make your life miserable. The description: This coffee machine can be controlled from your smartphone.We can&#8217;t provide the app itself, however we &#8230; <a href="/2016/01/19/rbaced-a-ctf-introduction-to-grsecurity-rbac/" class="more-link">Continue reading <span class="screen-reader-text">rbaced &#8211; a CTF introduction to grsecurity&#8217;s RBAC</span></a>]]></description>
		
		
		
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		<title>Insomni&#8217;hack finals &#8211; Jurassic Sparc writeup</title>
		<link>/2015/03/24/insomnihack-finals-jurassic-sparc-writeup/</link>
		
		<dc:creator><![CDATA[blogscrt]]></dc:creator>
		<pubDate>Tue, 24 Mar 2015 16:47:39 +0000</pubDate>
				<category><![CDATA[Insomni'hack]]></category>
		<category><![CDATA[buffer overflow]]></category>
		<category><![CDATA[exploit]]></category>
		<category><![CDATA[sparc]]></category>
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					<description><![CDATA[This task wasn&#8217;t solved during the CTF. People must hate sparc! Find the binary, sources and exploit here! In this task you were provided a sparc&#160;server binary and a python client, which was a Tkinter GUI.&#160;The client&#160;had an automatic animation reproducing&#160;the commands that are entered in the famous Jurassic Park video : The communication is &#8230; <a href="/2015/03/24/insomnihack-finals-jurassic-sparc-writeup/" class="more-link">Continue reading <span class="screen-reader-text">Insomni&#8217;hack finals &#8211; Jurassic Sparc writeup</span></a>]]></description>
		
		
		
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