[Gluster-users] Volume hacked

lemonnierk at ulrar.net
Sun, 06 Aug 2017 20:09:34 -0000

On Sun, Aug 06, 2017 at 01:01:56PM -0700, wk wrote:
> I'm not sure what you mean by saying "NFS is available by
anyone"?
>
> Are your gluster nodes physically isolated on their own network/switch?

Nope, impossible to do for us

>
> In other words can an outsider access them directly without having to
> compromise a NFS client machine first?
>

Yes, but we don't have any NFS client, only libgfapi.
I added a bunch of iptables rules to prevent that from happening, if
they did use NFS which I am unsure of. If they used something else to
access the volume though, who knows .. It hasn't been re-hacked since so
that's a good sign.

> -bill
>
>
> On 8/6/2017 7:57 AM, lemonnierk at ulrar.net wrote:
> > Hi,
> >
> > This morning one of our cluster was hacked, all the VM disks were
> > deleted and a file README.txt was left with inside just
> > "http://virtualisan.net/contactus.php :D"
> >
> > I don't speak the language but with google translete it looks like
it's
> > just a webdev company or something like that, a bit surprised ..
> > In any case, we'd really like to know how that happened.
> >
> > I realised NFS is accessible by anyone (sigh), is there a way to check
> > if that is what they used ? I tried reading the nfs.log but it's
not
> > really clear if someone used it or not. What do I need to look for in
> > there to see if someone mounted the volume ?
> > There are stuff in the log on one of the bricks (only one),
> > and as we aren't using NFS for that volume that in itself seems
> > suspicious.
> >
> > Thanks
> >
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://lists.gluster.org/mailman/listinfo/gluster-users
>

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