Re: File Extensions

From: Justin Pryzby (justinpryzbyat_private)
Date: Sat Jul 05 2003 - 07:18:54 PDT

  • Next message: Domingo Montanaro: "DBX with Compression"

    [http://www.wotsit.org/]: "The Programmer's File Format Collection" is
    also reportedly good.
    
    Justin
    
    On Sat, Jul 05, 2003 at 05:10:03PM +0000, Kevin.M-CTR.Shannonat_private wrote:
    > 
    > The following web site is a great resource for looking up file extensions.
    >  If they do not have an extension definition, the visitor may submit a new
    > definition.
    > http://filext.com/
    > 
    > Kevin Shannon,
    > Email - Kevin.M-CTR.Shannonat_private
    > 
    > 
    > 
    > 
    > 
    > 
    > 'Donald Voss' <vossat_private>
    > 07/02/2003 07:07 AM
    > 
    > 
    >        To:    <dreadnoughtat_private>, <forensicsat_private>
    >        cc:
    >        Subject:       RE: Remnants of .. Wiping??
    > 
    > 
    > 
    > Mark,
    > 
    > I have made it a habit to use google when I happen upon a unknown file
    > extension [.wip]
    > 
    > So a search with the string file extension .WIP is
    > http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=file+extension+.WIP
    > 
    > We get a few pages of stuff, search in English only here .. Majority show
    > wip to be a windows installer file type when making install packages with
    > visual basic .. Which might account for the sizes and the repeating random
    > naming .. Someone kept making a package, adjusted it, made it again, etc.
    > They just let the work area build up .wip files .. Hence the amount,
    > naming,
    > sizes.
    > 
    > Also wip is used as a work in progress .. But I would go with the
    > installer
    > material.
    > 
    > Crossed my mind that .wip might stand for some kind of wipe tool .. But
    > the
    > quick short search found no mention of that.
    > 
    > Good luck,
    > 
    > /don
    > 
    > ___________________________________________
    > voss at albany.edu
    > Donald Voss
    > Systems Analyst
    > The University at Albany
    > 
    > 'No matter how cynical I get, it is impossible to keep up' - Lilly Tomlin
    > 
    > -----Original Message-----
    > From: Mark G. Spencer [mailto:dreadnoughtat_private]
    > Sent: Tuesday, July 01, 2003 2:22 PM
    > To: forensicsat_private
    > Subject: Remnants of .. Wiping??
    > 
    > 
    > (Posted to SF Forensics and CFID)
    > 
    > I've investigated cases involving the use of Evidence Eliminator and
    > Z-Delete before and remnants of their installation were readily available.
    > I'm working on a case now where I haven't found any obvious remnants
    > (eectrl.bat and registry entries for EE for example) and am looking for
    > some
    > help ..
    > 
    > I have a system (Win32) with over 1.1 million files created on the same
    > day.
    > These files show up in EnCase as 0 bytes, deleted and overwritten. The
    > filenames are all different, but appear to rotate in a methodical fashion.
    > Three of the files show very large file sizes, between 500meg and 1gig and
    > the only difference from the other million files (other than filesize
    > being
    > larger) is their extension, instead of being unique, are all .WIP.
    > 
    > Any ideas? I have not yet gone through the registry key by key, but have
    > done quite a few sorts to try and find suspicious executables accessed on
    > the date in question and have not yet found anything.
    > 
    > Thanks,
    > 
    > Mark
    > 
    > 
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