Re: Creation / modification / access dates

From: Andrew Sheldon (forensicsat_private)
Date: Mon Jul 14 2003 - 11:17:22 PDT

  • Next message: Valdis.Kletnieksat_private: "Re: Creation / modification / access dates"

    Vladis, 
    
    Indeed. I agree wholeheartedly - Thats why I said...
    
    >.... Obviously, this is keyed to the BIOS of the computer used to write the CD.
    
    Best Regards
    
    Andy
    
    
    *********** REPLY SEPARATOR  ***********
    
    On 14/07/2003 at 14:00 Valdis.Kletnieksat_private wrote:
    
    >On Mon, 14 Jul 2003 14:18:19 BST, Andrew Sheldon <forensicsat_private> 
    >said:
    >
    >> @ x8B2D - "2003022815440000"
    >> 
    >> The line at 8B2D is the creation date in the format "yyyymmddhhmm"
    >
    >No, that's the *PURPORTED* creation date.  Keep in mind that if *YOU* care
    >(for
    >a forensics reason) what the creation date actually was, that a miscreant
    >probably has an advantage if they can *lie* about said date.
    >
    >There's nothing stopping me from creating a CD that *SAYS*:
    >
    > @ x8B2D - "1973022815440000"
    >
    >totally ignoring the fact that CD's didn't exist in that year.
    >
    >Or  @ x8B2D - "2004022815440000".  Or any other timestamp.
    >
    >Remember guys - you're looking at data provided by a potential adversary.
    >Judge its value accordingly, in accordance with the threat model....
    >
    >"No, I wasn't ditching work and flying to Bermuda that day.. See? Here's
    >the
    >CD I burned that afternoon....."
    >
    >/Valdis (who saw at least 4 different ways to make the clock of an IBM
    >S/360-65J
    >go backwards for the sole purpose of making a late homework assignment look
    >on time. - and that was well over 25 years ago..)
    >
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    >
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    >QQMwUmUeA+4/4FGKDKorTLQ=
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