[Snort-sigs] MS RDP on non-standard port

Joshua Williams joshuwi2 at ...435...
Mon Jan 23 09:33:38 EST 2017


James,

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

--
Josh Williams
Detection Response Team
TALOS Security Group

On Sun, Jan 22, 2017 at 9:15 AM, James Lay <jlay at ...3266...> wrote:

> I see these scans semi regularly...usually the cookie is sometimes blank,
> sometimes not:
>
> alert tcp $EXTERNAL_NET any -> $HOME_NET !3389 (msg:"SCAN MS Terminal
> Server taffic on Non-standard Port"; flow:to_server,established;
> content:"|03 00 00|"; depth:3; content:"|e0 00 00 00 00 00|"; offset:5;
> depth:6; content:"Cookie|3a| mstshash="; pcre:"/Cookie\x3a mstshash=/";
> classtype:attempted-recon; sid:xxxxxxxx; rev:1;)
>
> James
>
> ------------------------------------------------------------
> ------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, SlashDot.org! http://sdm.link/slashdot
> _______________________________________________
> Snort-sigs mailing list
> Snort-sigs at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/snort-sigs
>
> http://www.snort.org
>
> Please visit http://blog.snort.org for the latest news about Snort!
>
> Visit the Snort.org to subscribe to the official Snort ruleset, make sure
> to stay up to date to catch the most <a href="
> https://snort.org/downloads/#rule-downloads">emerging threats</a>!
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.snort.org/pipermail/snort-sigs/attachments/20170123/fafcc112/attachment.html>


More information about the Snort-sigs mailing list