Re: [Full-disclosure] Oh Yeah, botnet communications

[James Matthews <nytrokiss@xxxxxxxxx>]

II would use something like UDP or IGMP and modify the packets slightly. I
know that most routers will just pass them on and not worry about a few
weird things.

On Mon, Feb 23, 2009 at 2:56 PM, John C. A. Bambenek, GCIH, CISSP <
bambenek.infosec@xxxxxxxxx> wrote:

> Yes, its possible, I mapped out something on a high level that would
> use rss/xml and would evade most detection methods on the network...
> Problem comes in is that stuff gets detected at infection-time and
> gets reverse engineered. Stealthy botnets is easy, stealthy infection
> is trickier.
>
> On 2/19/09, T Biehn <tbiehn@xxxxxxxxx> wrote:
> > God Valdis,
> > Dont concentrate on the mundane, the core issue is the unpredictable
> nature
> > of it.
> > You have them all coordinate reading the news at 12:00 AM GMT.
> > You build some silly algorithm that ensures they pick the right article.
> >
> > -Travis
> >
> > On Thu, Feb 19, 2009 at 11:34 PM, <Valdis.Kletnieks@xxxxxx> wrote:
> >
> >> On Thu, 19 Feb 2009 23:13:38 EST, T Biehn said:
> >>
> >> > You know how the current amateur botnet offerings are basing domain
> >> > lists
> >> > off the current time to allow the 'good guys' to prepare?
> >> >
> >> > Why not base the seed off something like a news RSS feed? I asked some
> >> > whitehats when I was ruined in Washington DC and they couldn't tell
> me.
> >>
> >> If you're the botnet owner, you need to have some way to know what
> domain
> >> name your botnet will be looking for, so you can register it.
> >>
> >> If you look at 11:06AM, see the top news story is something about Obama
> >> flipping the Republican party the bird, and computes the domain name to
> >> register based on that, but then at 11:07AM some editor at CNN pulls
> that
> >> headline and replaces it with "Obama sends obscene gesture to
> Republicans"
> >> before your bots wake up at 11:08AM and check what domain to use, you're
> >> screwed.
> >>
> >>
> >>
> >
>
> --
> Sent from my mobile device
>
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