full-disclosure - Re: Oh Yeah, botnet communications

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Message-ID: <e172cd090902230456w5e1d481dh85c6f9f7c34398cd@mail.gmail.com>
Date: Mon, 23 Feb 2009 06:56:00 -0600
From: "John C. A. Bambenek, GCIH, CISSP" <bambenek.infosec@...il.com>
To: T Biehn <tbiehn@...il.com>, Valdis.Kletnieks@...edu, 
	full-disclosure <Full-Disclosure@...ts.grok.org.uk>
Subject: Re: Oh Yeah, botnet communications

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@...il.com> 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@...edu> 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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