full-disclosure - Re: Strange Lenovo x121e

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Date: Thu, 6 Oct 2011 08:32:32 +1100
From: xD 0x41 <secn3t@...il.com>
To: halfdog <me@...fdog.net>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Strange Lenovo x121e

Looks like a pre used box... specially with that name, am assuming THINK
(thinkcentre/thinkpad - ibm) so in there it might be preused IBM/Lenovo, but
strange those files..should never be on the hd on a clean sale.


On 6 October 2011 06:57, halfdog <me@...fdog.net> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Hello List,
>
> I just puchased a Lenovo x121e and just before init with random data
> and setting up the crypto disks, I found that the disk was not
> completely clean. It seems that
>
> a) X121 ships with a dirty disk or
> b) machine was used before purchase
>
> After reconstruction of bootsector, a NTFS partition is readable,
> pagefile.sys shows
>  COMPUTERNAME=ADMIN-THINK
>
> Newest files in /
> dr-x------  1 root root      28672 May 29 09:45 SWDL
> - -r--------  2 root root       2490 May 29 09:36 ExitWinXP.bat
> dr-x------  1 root root       4096 Apr  6 13:59 WWAN1
> dr-x------  1 root root          0 Mar  1  2011 Temp
> dr-x------  1 root root          0 Jan  6  2011 $Recycle.Bin
> dr-x------  1 root root       4096 Jan  6  2011 Users
> dr-x------  1 root root          0 Jan  6  2011 Intel
> - -r--------  2 root root       1959 Oct  2  2010 bluetooth.txt
>
> Funny: Might also be infected with virus, that generated sal.xls.exe
>
> - -r--------  2 root root       4810 Oct 13  2007
> \346\270\205\351\231\244sal.xls.exe\347\227\205\346\257\222.bat
>
> The non-printables seem to be UTF-8 and display as Chinese glyphs on
> other machine.
>
> I'm complete noob in win-forensics, but at least it seems, that there
> is no evidence for other user accounts, Documents & Settings empty, so
> perhaps this could really be an authentic IBM OEM image (with virus),
> but they just replaced the boot sector to get rid of the partitions?
>
> Since I don't want to waste too much time on dirty hardware, I did
> some googling, but found nothing of value.
>
>
> Does someone know of similar findings on Lenovo machines and what's
> your guess: is it worth to dig in deeper or is it just waste of time
> to recover OEM-Windows image, that was deflowered and insufficiently
> cleaned by some Chinese factory worker during lunch hours?
>
> hd
>
> - --
> http://www.halfdog.net/
> PGP: 156A AE98 B91F 0114 FE88  2BD8 C459 9386 feed a bee
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> zD1Qa8MoApdLGQ5Mns0wpKE=
> =UuJ/
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