full-disclosure - Re: Arbitrary DDoS PoC

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Message-ID: <CAPGeVWPAKebqLfnq012qb19h-0K7YjAaAXsOtNAwhkyDKoZW7A@mail.gmail.com>
Date: Mon, 13 Feb 2012 12:14:56 -0700
From: Sanguinarious Rose <SanguineRose@...ultusTerra.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: Arbitrary DDoS PoC

Ah what a wonderful gem of pure and real research into todays upcoming
threats. Today is the day we learn to phear sites like xroxy.com
because God forbid some of those silly kids using their 9001 proxies
from their 56k dial-ups will over-run google, youtube, facebook, and
the world! Dear God what will we do?!?!? When will it end! Think of
the cute kittens you deprive us of evil proxy hackers!

Today is the day I learned hackers can cast magick upon outgoing
packets through proxies to somehow make them more bigger. I propose
these are some kind of Christian hackers with God on their side to
manipulate the very foundational laws of physics and electricity!

Excuse me Mr. Amorim but what God alas do you pray to for this? Is it
some kind of Christian Magick?

On Sun, Feb 12, 2012 at 9:09 AM, Lucas Fernando Amorim
<lf.amorim@...oo.com.br> wrote:
> With the recent wave of DDoS, a concern that was not taken is the model
> where the zombies were not compromised by a Trojan. In the standard
> modeling of DDoS attack, the machines are purchased, usually in a VPS,
> or are obtained through Trojans, thus forming a botnet. But the
> arbitrary shape doesn't need acquire a collection of computers.
> Programs, servers and protocols are used to arbitrarily make requests on
> the target. P2P programs are especially vulnerable, DNS, internet
> proxies, and many sites that make requests of user like Facebook or W3C,
> also are.
>
> Precisely I made a proof-of-concept script of 60 lines hitting most of
> HTTP servers on the Internet, even if they have protections likely
> mod_security, mod_evasive. This can be found on this link [1] at GitHub.
> The solution of the problem depends only on the reformulation of
> protocols and limitations on the number of concurrent requests and
> totals by proxies and programs for a given site, when exceeded returning
> a cached copy of the last request.
>
> [1] https://github.com/lfamorim/barrelroll
>
> Cheers,
> Lucas Fernando Amorim
> http://twitter.com/lfamorim
>
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Charter: http://lists.grok.org.uk/full-disclosure-charter.html
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