Re: user enumeration through RDP

[Robin Wood <robin () digininja org>]

On Apr 23, 2013 5:07 PM, "Carlos Perez" <carlos_perez () darkoperator com>
wrote:
> This was what I was alluding to
> http://www.tenable.com/blog/nessus-52-released
>
> Nessus will now grab VNC and RDP Screenshots

Looks pretty cool. Any chance of building in character recognition in to
read the active user?

Robin

> Sent from my iPhone
>
> On Apr 23, 2013, at 3:29 AM, Matt <matt () fireantsecurity co uk> wrote:
>
> > If you are at BSidesLondon tomorrow we can chat then.
> >
> >
> > Sent from my iPhone
> >
> > On 21 Apr 2013, at 23:05, Robin Wood <robin () digininja org> wrote:
> >
> > > On 18 April 2013 15:36, Matt <matt () fireantsecurity co uk> wrote:
> > > > You can do more than that. Can't say much more but RDP has some useful
"features" that can be leveraged to gain a higher level of access if you
know your way round windows api.
> > > >
> > >
> > > Pointers to any info? I don't know much about the windows API but might
be worth looking at.
> > > > Sent from my iPhone
> > > >
> > > > On 18 Apr 2013, at 01:36, Robin Wood <robin () digininja org> wrote:
> > > >
> > > > > I've just noticed a nice little trick for user enumeration. The
client I'm testing has RDP on almost every windows machine and when you
connect to them, if there is a user already connected they tell you who it
is. Luckily here most of them do have someone logged in. It is a manual job
but has got me a nice little stash of usernames which is good as all my
usual techniques failed. Of extra lucky, by naming and subnets I know which
the servers are so I'm assuming users connected to them are either admins
or at least have more privileges than a normal user.
> > > > > Thought others might find it useful.
> > > > >
> > > > > Robin
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