Date: Wed, 4 Jul 2007 21:59:59 +0300
From: "Elad Shapira" <eladexposed@...il.com>
To: "Kristian Hermansen" <kristian.hermansen@...il.com>
Subject: Re: Hacking Windows XP/CE ATMs for fun and
	(mostly) profit?

Hi,
some interesting story regarding default passowrd & ATM:
http://www.youtube.com/watch?v=cmW_4R81jVU

Kind Regards,

Elad Shapira ("Zest")


"Security, however, is an art, not a science." - RFC 3631


On 7/4/07, Kristian Hermansen <kristian.hermansen@...il.com> wrote:
>
> The Hyosung NH-5050 ATM runs Windows XP or Windows CE and is
> vulnerable to the same exploits which allow criminals to dispense
> large amounts of money by exploiting the "denomination alternation"
> attack vector using prepaid debit cards.  Mitigating factors require
> the attacker having knowledge of how to place the ATM into such an
> operational mode that the diagnostic features can be invoked.  The
> default passwords must also be unchanged since their factory settings,
> unless the attacker has guessed or brute-forced the nearly 1,000,000
> possible other combinations.
>
> I won't link anyone to the details, but this attack vector has been
> known for a long time against other ATM models.  The question I have
> is this -- has Hyosung issued an update to prevent this on newer ATMs?
> It is quite an interesting topic, but I am baffled by the relative
> ease compared with other ATM attacks that have been documented
> publicly...
> --
> Kristian Hermansen
>
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