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Thread: MCExtractor - Intel, AMD, VIA & Freescale Microcode Extraction Tool

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    Administrator laptopserviz's Avatar
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    Aug 2011
    Sofia, Bulgaria

    MCExtractor - Intel, AMD, VIA & Freescale Microcode Extraction Tool

    MC Extractor is a tool which can extract Intel, AMD, VIA and Freescale processor microcode binaries. It can be used to identify what microcodes your BIOS/SPI holds, verify their integrity, whether they are updated, show details about them, check if they exist at the microcode repository etc.

    A1. MC Extractor Features

    • Supports all current & legacy Microcodes from 1995 and onward
    • Scans for all Intel, AMD, VIA & Freescale microcodes in one run
    • Verifies all extracted microcode integrity via checksum
    • Checks if all Intel, AMD & VIA microcodes are Latest or Outdated
    • Converts Intel containers (dat,inc,txt,h) to binary images
    • Searches on demand for all microcodes based on CPUID
    • Shows microcode header structures and details on demand
    • Ignores most false positives based on sanity checks
    • Supports certain special, fixed or modded microcodes
    • Ability to extract AMD microcodes with or without padding
    • Ability to quickly add new microcode entries to the database
    • Ability to use loose patterns for debugging or future proofing
    • Ability to analyze multiple files by drag & drop or by input path
    • Ability to ignore extracted duplicates based on name and contents
    • Reports all microcodes which are not found at the Microcode Repository Database
    • Features command line parameters to enhance functionality & assist research
    • Features user friendly messages & proper handling of unexpected code errors
    • Shows results in nice tables with colored text to signify emphasis
    • Open Source project licensed under GNU GPL v3, comment assisted code

    B. How to use MC Extractor

    There are two ways to use MC Extractor, MCE executable & Command Prompt. The MCE executable allows you to drag & drop one or more firmware and view them one by one. To manually call MC Extractor, a Command Prompt can be used with -skip as parameter.

    B1. MC Extractor Executable

    To use MC Extractor, select one or multiple files and Drag & Drop them to its executable. You can also input certain optional parameters either by running MCE directly or by first dropping one or more files to it. Keep in mind that, due to operating system limitations, there is a limit on how many files can be dropped at once. If the latter is a problem, you can always use the -mass parameter as explained below.

    B2. MC Extractor Parameters

    There are various parameters which enhance or modify the default behavior of MC Extractor.

    • -? : Displays help & usage screen
    • -skip : Skips options intro screen
    • -mass : Scans all files of a given directory
    • -info : Displays microcode header(s)
    • -false : Uses loose patterns (false positives)
    • -padd : Keeps padding of AMD microcodes
    • -file : Appends filename to New or Bad microcodes
    • -add : Adds new input microcode to DB
    • -cont : Extracts Intel containers (dat,inc,h,txt)
    • -search : Searches for microcodes based on CPUID
    • -verbose : Shows all microcode details

    The following is Windows specific:

    • -extr : Lordkag's UEFI Strip mode

    use: python3 bios.bin
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    Last edited by laptopserviz; 14-07-2017 at 12:05 AM.

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