http://brightprogrammer.in/tags/oisc/Recent content in Oisc on Siddharth MishraHugoenSun, 14 Jun 2026 21:53:10 -0700http://brightprogrammer.in/posts/one-instruction-set-computer-challenge-from-tetctf-nor-vm-elviss-magic-box/Fri, 10 Feb 2023 07:07:01 +0000http://brightprogrammer.in/posts/one-instruction-set-computer-challenge-from-tetctf-nor-vm-elviss-magic-box/<h1 id="elvis-magic-box">Elvis Magic Box</h1> <p>After completing the <a href="http://brightprogrammer.in/posts/a-self-debugging-software-protection-challenge/">previous</a> CrackMe based on a very good Anti-Debug technique (which can be further improved as I pointed out in that post by reading a research paper), Elvis, the author of previous challenge gave me another challenge. He already gave me a major hint about the challenge which you usually don’t get in real world scenarios. This challenge is another VM challenge and is an <code>OISC</code> (<strong>One Instruction Set Computer</strong>)</p>