Full Disclosure mailing list archives

Re: [botnets] the world of botnets article and wrong numbers


From: "Dude VanWinkle" <dudevanwinkle () gmail com>
Date: Thu, 14 Sep 2006 19:37:56 -0400

On 9/14/06, Gadi Evron <ge () linuxbox org> wrote:
This counts bot samples. Whether they are variants (changed) or
insignificant changes such as only the IP address to the C&C, they are
counted as unique.

So if you have multiple machines NAT'ed under one IP, that is one pot.
err bot eh? OK.


This is why we now run different sharing projects between established
honey nets.

So you dont count botnets that detect honeynets eh?

or other trivial changes?  Do you attempt to correct for complex polymorphic
variants?

Nah, just contributors who dont all have publicly routable IP's and
this herders that know about VMware/Honeywall


There aren't many of those.. really. :)

Really? Ok.

Further, the anti virus world sees about the same numbers.

Using the same methods?

The Microsoft anti malware team (and Ziv Mador specifically) spoke of
15K avg bot samples a month, as well.

Gotcha, you MS and Symantec share numbers based of who doesnt know how
to disable your detection methods

I am just saying, the larger the organization, the sharper the focus
from the other side. Maybe a loose coalition of known non-bullshitters
would have a more accurate picture.

still love ja tho Gadi,

-JP<the douchebg>


  Got a link/quote/reference to that?  Does Ziv explain the methodology that
they are using?

Nope, but I will ask. Most of the numbers I get are at 15K. I can only
prove *on my own* without relying on other sources, as reliable as they
may be, 12K, which is the number we mentioned in the article. We were
being conservative due to that reason, but the number is higher.

I don't know what others may be seeing, but this is our best estimate
as to what's going on with the number of unique samples released
every month.

Jose Nazarijo from Arbor replied on the botnets list that he sees
similar numbers.

I hope this helps... what are you looking to hear?

  Some kind of explanation for the huge disjunction between these numbers
and our instinctive ideas about what's possible.  Of course, being

I followed you this far, but to be honest, your ideas (what are
they?) are indeed very far from reality... :)

un-worked-out intuitive estimates, such ideas are of course entirely likely
to be off the mark, but off the mark by two orders of magnitude?  Hence the
request for more methodological details.

No problem, I quite understand. There is not that much science into it
really:
"Yo, how many unique samples do you see?" as a lone dataset if they won't
share.
"Yo, how many unique samples do we all see?" if they share.
"Yo, how many unique samples do others see?"

AVG is 15K, I can prove *on my own* 12K... counting banking/phishing
trojan horses, general purpose trojans, dialers, etc (from the large bot
families).

        Gadi.



    cheers,
      DaveK
--
Can't think of a witty .sigline today....



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