Re: New sig for detecting NTPd DoS

[Joshua Williams <joshuwi2 () sourcefire com>]

rmkml,

Thanks for your submission. I'll review and test this and get back when
it's finished.

--
Josh Williams
Detection Response Team
TALOS Security Group

On Fri, Dec 2, 2016 at 3:14 PM, rmkml <rmkml () ligfy org> wrote:

> Hi,
>
> Please check a new sig for detecting NTPd DoS:
>
> alert udp $EXTERNAL_NET any -> $HOME_NET 123 (msg:"MISC Ntp v4.2.7.p22 /
> v4.3.0 DoS attempt"; dsize:1; content:"X"; reference:cve,2016-7434;
> reference:url,cxsecurity.com/issue/WLB-2016110197;
> classtype:attempted-dos; sid:1; rev:1; )
>
> Don't forget check variables.
>
> Please send any comments.
>
> Regards
> @Rmkml
>
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