OSEC

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Re: listening to people/offices when on-hold on the phone

From: Robin Wood (dninjagmail.com)
Date: Sat Jun 23 2007 - 02:27:42 CDT


That is the kind of thing I was thinking of. You'd have to be very
luck to do it but you might get something.

One way you might use this is if you know there are visitors in and
the office is open plan. Find someone who sits near where the visitors
are likely to be, i.e. somewhere around a demo pc or maybe a key
developers desk, and try to get them with this.

Just a follow on thought from this, it is possible to hack bluetooth
to get some mobile phones to dial out. Imagine doing this to a manager
in a meeting, get him to call a free conference line, you get on the
other end, and you've got your own bug in the office.

Robin

On 6/22/07, Joel Eusebio <joeletelus.net> wrote:
>
> Good point. And what if you were on hold while calling from work? And suddenly
> your co-worker shouts out loud "is the password on this server still....." :)
>
> cheers,
>
> Joel
>
>
>
> Quoting Robin Wood <dninjagmail.com>:
>
> > Hi
> > Imagine the situation, you get a message to call someone, your call
> > gets answered by an automated system which says there may be a few
> > minutes wait and gives you the bad hold music. You hit the hands free
> > button on the phone and get on with work while you wait for it to be
> > answered.
> >
> > Unless you mute the call, the person/system on the other end of the
> > call could be listening in while pretending to be on hold and
> > potentially hear all that is going on around you.
> >
> > It is a random attack vector but it could allow an attacker to pick up
> > all sorts of information. I thought about it while sitting on hold for
> > over 30 mins trying to get through to my mobile phone support line
> > last night. If they had been listening they would know what I had for
> > dinner.
> >
> > Anyone tried listening in like this? Anyone got any comments?
> >
> > Robin
> >
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