Full Disclosure mailing list archives

Re: Disney Down?


From: Micheal Espinola Jr <michealespinola () gmail com>
Date: Fri, 19 Aug 2005 15:41:24 -0400

I agree that not all exploits need to or should be handled in such a
way, but this type of open-ended exploit where potentially anything
could have been dropped or altered on a system would force me as an
network/security/systems administrator to have to take appropriate
action to protect my employer.

Yep, it's defiantly extreme.  I wouldn't want to have to do it.  But,
I still would do it all the same.  In my experience the risk is just
too great not to.  Which is why we store data on secure servers, and
can multi-cast images for workstations for easy rebuilds.  Its a shame
not everyone can work in an environment where things like this can be
done that easily, but that doesn't mean that they shouldn't be done at
all.

I have yet to work work for an employer where my management and fellow
staff wouldn't be prepared to do the same - thank goodness.

I shudder to think about it happening to me...


On 8/19/05, Steve Kudlak <chromazine () sbcglobal net> wrote:
Micheal Espinola Jr wrote: 
Absolutely. Once a system has been exploited in such a manner, it
is
completely untrustable. It should most definitely be wiped.

The IT ppl
in SDC (and many other places) need to all be lined up and
smacked Three
Stooges style.

On 8/19/05, Donald J. Ankney <dankney () sunsetfilms com>
wrote:

Any IT department that simply removes a worm and shoves a box back
into
production has serious issues.

After a machine has been compromised, it
should be wiped and rebuilt.

 
As a practical matter how many boxes are we talking about. I mean I have
removed worms and viruses (note I don't use the l;ural virii because it is
too close to the proper Latin Plural of "men";) and put boxes back into use.
But not in places that are critical. Does one rebuiild everytime something
goes wrong? Seems extreme to me. I dunno if this is the place to discuss
issues like this. Now of course with worm designers getting more
sophisticated it might be that more extereme measures should be taken
earlier in the descision chain. Now if people implement a really adequate
backup system, like everything over the last hour is safely backed up it
might be possible to do that. Anyway it is an interesting case, easy to say
now that I am disabled and watching from the sidelines.

Have Fun,
Sends Steve




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