Re: Crashing services with NMAP and/or SuperScan ?

[Donald Whitfield <don.whitfield () gmail com>]

Also,

The ability to disrupt service on a production network also exists by
using the Nessus Scanner (unix version - with all plugins loaded). We
were able to crash 3Com and Nortel Switches by performing Intrusive
scans with most plugins loaded.

Donald Whitfield
Sr. Network Security Engineer


On Fri, 26 Nov 2004 16:20:20 -0500, Donald Whitfield
<don.whitfield () gmail com> wrote:
> Actually, Foundstone has release a new version of SuperScan just this
> year. We played with it during the ultimate hacking bootcamp and it's
> pretty sweet. The scan results can be converted to various formats
> just like Nessus Scan Results.
>
>
>
>
> On Fri, 26 Nov 2004 09:46:24 -0600, Evans, Arian
> <arian.evans () fishnetsecurity com> wrote:
> > > > - one Oracle TNS Listener - however the admin said
> > > "everything continued to
> > > > function"
> > > > - 2 or 3 Storageworks EVA Secure Path services.
> > >
> > > I would think that your problem is with the -O flag. A lot of
> > > people have
> > > reported similar behaviour with the O/S detection.
> > >
> > > > Fortunately the admins were not upset. They looked through
> > > the services on
> > > > the servers, looked which ones had gone "stopped" and set
> > > them back to
> > > > "started".
> >
> > In general point to watch on Oracle--
> >
> > Oracle listeners are extremely fragile to invasive interrogation.
> > I have brought down Oracle listners repeatedly with a variety
> > of port scanners that do OS detection. Wish I could remember
> > the exact Oracle versions, at least as recent as 8 and 9i,
> > and primarily running on *nix. (Linux, AIX, and OpenVMS; of
> > course, with VMS's own native buggy and third-party IP stacks,
> > just about any port/vuln scanning activities is liable to bring
> > those things down.)
> >
> > Interestingly I have not seen this same behavior on Oracle on
> > Windows. Anyone else?
> >
> > Arian Evans
> > Sr. Security Engineer
> > FishNet Security
> >
> > KC Office:  816.421.6611
> > Direct: 816.701.2045
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> >
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> >
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