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<!DOCTYPE html><html lang="en"><head><meta name="generator" content="Hexo 3.9.0"><meta http-equiv="content-type" content="text/html; charset=utf-8"><meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport"><meta content="yes" name="apple-mobile-web-app-capable"><meta content="black-translucent" name="apple-mobile-web-app-status-bar-style"><meta content="telephone=no" name="format-detection"><meta name="description"><title>barbie's notes | my not-professional-at-all blog</title><link rel="stylesheet" type="text/css" href="/css/style.css?v=1.0.1"><link rel="stylesheet" type="text/css" href="//cdn.jsdelivr.net/npm/normalize.css/normalize.min.css"><link rel="stylesheet" type="text/css" href="//cdn.jsdelivr.net/npm/purecss/build/pure-min.min.css"><link rel="stylesheet" type="text/css" href="//cdn.jsdelivr.net/npm/purecss/build/grids-responsive-min.css"><link rel="stylesheet" href="//cdn.jsdelivr.net/npm/[email protected]/css/font-awesome.min.css"><script type="text/javascript" src="//cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js"></script><link rel="icon" mask sizes="any" href="/favicon.ico"><link rel="Shortcut Icon" type="image/x-icon" href="/favicon.ico"><link rel="apple-touch-icon" href="/apple-touch-icon.png"><link rel="apple-touch-icon-precomposed" href="/apple-touch-icon.png"><link rel="alternate" type="application/atom+xml" href="/atom.xml"><script type="text/javascript" src="//cdn.jsdelivr.net/npm/clipboard/dist/clipboard.min.js"></script><script type="text/javascript" src="//cdn.jsdelivr.net/gh/codeseven/toastr/build/toastr.min.js"></script><link rel="stylesheet" href="//cdn.jsdelivr.net/gh/codeseven/toastr/build/toastr.min.css"><link rel="stylesheet" href="/css/prism.css" type="text/css">
<link rel="stylesheet" href="/css/prism-line-numbers.css" type="text/css"></head><body><div class="body_container"><div id="header"><div class="site-name"><h1 class="hidden">barbie's notes</h1><a id="logo" href="/.">barbie's notes</a><p class="description">my not-professional-at-all blog</p></div><div id="nav-menu"><a class="current" href="/."><i class="fa fa-home"> start</i></a><a href="/archives/"><i class="fa fa-archive"> oldies</i></a><a href="/about/"><i class="fa fa-user"> /me</i></a><a href="/talks/"><i class="fa fa-users"> IRL</i></a><a href="/credits/"><i class="fa fa-heart"> credits</i></a><a href="/atom.xml"><i class="fa fa-rss"> RSS</i></a></div></div><div class="pure-g" id="layout"><div class="pure-u-1 pure-u-md-3-4"><div class="content_container"><div class="post"><h1 class="post-title"><a href="/2020-06-19-how-to-research/">How Do I Do Research?</a></h1><div class="post-meta">2020-06-19</div><div class="post-content"><p>Much has been done in the research field about conducting research. This is a broad and diverse area of information science. The foundation of it is called <a href="https://en.wikipedia.org/wiki/Scientific_method" target="_blank" rel="noopener">scientific method</a> and in simple words: it is the use of experimentation and observation to answer questions. What many people dismiss and are, in my opinion, the two most important points are:</p></div><p class="readmore"><a href="/2020-06-19-how-to-research/">Read More</a></p></div><div class="post"><h1 class="post-title"><a href="/2019-08-15-system-managing-god/">SMMMmmmm - when root is not enough</a></h1><div class="post-meta">2019-08-14</div><div class="post-content"><h2 id="Swimming-Diving-Hopefully-not-Drowning"><a href="#Swimming-Diving-Hopefully-not-Drowning" class="headerlink" title="Swimming, Diving, Hopefully not Drowning!"></a>Swimming, Diving, Hopefully not Drowning!</h2><p>I got a super nice project, and for that I needed to learn how the SMM really works. Again I started dipping my toes in this ocean of knowledge and I hope I don’t get too excited and drown myself before even getting started ;) For the people who are not sure if they want to read all this:</p>
<h2 id="TL-DR"><a href="#TL-DR" class="headerlink" title="TL;DR"></a>TL;DR</h2><p>In SMM, it is possible to modify SMM saved execution context. SMM also sets its own IDT, it is initialized by the BIOS (DXE) and tons of cool stuff.</p></div><p class="readmore"><a href="/2019-08-15-system-managing-god/">Read More</a></p></div><div class="post"><h1 class="post-title"><a href="/2019-04-28-first-steps-into-the-bios/">Learning about the BIOS</a></h1><div class="post-meta">2019-04-27</div><div class="post-content"><hr>
<blockquote>
<p>or why do we discuss how to authenticate the user to the machine, but never the machine to the user</p>
</blockquote>
<hr>
<h2 id="My-path-into-low-level-security"><a href="#My-path-into-low-level-security" class="headerlink" title="My path into low-level security"></a>My path into low-level security</h2><p>I have been away for a while as you may or may not have noticed and the reason for that is a great one! I am learning new things and as usual I will try to share my notes here. They are going to be chaotic and I can not give you any guarantee that I got it right, so please let me know if something looks weird ;)</p></div><p class="readmore"><a href="/2019-04-28-first-steps-into-the-bios/">Read More</a></p></div><nav class="page-navigator"><span class="page-number current">1</span><a class="page-number" href="/page/2/">2</a><a class="page-number" href="/page/3/">3</a><span class="space">…</span><a class="page-number" href="/page/6/">6</a><a class="extend next" rel="next" href="/page/2/">Next</a></nav></div></div><div class="pure-u-1-4 hidden_mid_and_down"><div id="sidebar"><div class="widget"><div class="widget-title"><i class="fa fa-star-o"> Tags</i></div><div class="tagcloud"><a href="/tags/prolog/" style="font-size: 15px;">prolog</a> <a href="/tags/low-level/" style="font-size: 15px;">low level</a> <a href="/tags/platform/" style="font-size: 15px;">platform</a> <a href="/tags/SMM/" style="font-size: 15px;">SMM</a> <a href="/tags/haskell/" style="font-size: 15px;">haskell</a> <a href="/tags/firmware/" style="font-size: 15px;">firmware</a> <a href="/tags/binary-analysis/" style="font-size: 15px;">binary analysis</a> <a href="/tags/reversing/" style="font-size: 15px;">reversing</a> <a href="/tags/hardware/" style="font-size: 15px;">hardware</a> <a href="/tags/smt-solvers/" style="font-size: 15px;">smt solvers</a> <a href="/tags/malware/" style="font-size: 15px;">malware</a> <a href="/tags/talks/" style="font-size: 15px;">talks</a> <a href="/tags/research/" style="font-size: 15px;">research</a> <a href="/tags/science/" style="font-size: 15px;">science</a> <a href="/tags/misc/" style="font-size: 15px;">misc</a> <a href="/tags/bios/" style="font-size: 15px;">bios</a></div></div><div class="widget"><div class="widget-title"><i class="fa fa-file-o"> Recent</i></div><ul class="post-list"><li class="post-list-item"><a class="post-list-link" href="/2020-06-19-how-to-research/">How Do I Do Research?</a></li><li class="post-list-item"><a class="post-list-link" href="/2019-08-15-system-managing-god/">SMMMmmmm - when root is not enough</a></li><li class="post-list-item"><a class="post-list-link" href="/2019-04-28-first-steps-into-the-bios/">Learning about the BIOS</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-10-03-logicvsmalware/">Logic & binaries</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-08-03-firmware_101/">Firmware 101 - How to get the code</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-07-23-hardware_101/">Hardware 101 - I have this $device... and now?</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-07-20-genRE/">/me on reverse engineering</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-07-06-memory_skrolli/">Tinkering the memory</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-07-03-hsandprolog/">Prolog vs Haskell</a></li><li class="post-list-item"><a class="post-list-link" href="/2018-06-09-prolog08/">PROLOG - Part 8</a></li></ul></div></div></div><div class="pure-u-1 pure-u-md-3-4"><div id="footer">Copyright © 2024 <a href="/." rel="nofollow">barbie's notes.</a> Powered by<a rel="nofollow" target="_blank" href="https://hexo.io"> Hexo.</a><a rel="nofollow" target="_blank" href="https://github.com/tufu9441/maupassant-hexo"> Theme</a> by<a rel="nofollow" target="_blank" href="https://github.com/pagecho"> Cho.</a></div></div></div><a class="show" id="rocket" href="#top"></a><script type="text/javascript" src="/js/totop.js?v=1.0.1" async></script><script type="text/javascript" src="//cdn.jsdelivr.net/gh/fancyapps/fancybox/dist/jquery.fancybox.min.js" async></script><script type="text/javascript" src="/js/fancybox.js?v=1.0.1" async></script><link rel="stylesheet" type="text/css" href="//cdn.jsdelivr.net/gh/fancyapps/fancybox/dist/jquery.fancybox.min.css"><script type="text/javascript" src="/js/love.js"></script><script type="text/javascript" src="/js/copycode.js" successtext="Copy Successed!"></script><link rel="stylesheet" type="text/css" href="/css/copycode.css"><script type="text/javascript" src="/js/codeblock-resizer.js?v=1.0.1"></script><script type="text/javascript" src="/js/smartresize.js?v=1.0.1"></script></div></body></html>