Snort mailing list archives

Re: Offer a new sig for detecting possible wpad Name Collision


From: Joshua Williams <joshuwi2 () sourcefire com>
Date: Tue, 31 May 2016 09:06:47 -0400

Hi,

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

--
Josh Williams
Detection Response Team
TALOS Security Group

On Mon, May 30, 2016 at 2:57 PM, rmkml <rmkml () ligfy org> wrote:

Hi,

The http://etplc.org open source project offer a new sig for detecting
possible wpad Name Collision:

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"WEB-MISC Host
wpad. possible Name Collision attempt";
flow:to_server,established; content:"Host|3a| wpad."; nocase; http_header;
reference:url,
www.verisign.com/assets/labs/MitM-Attack-by-Name-Collision-Cause-Analysis-and-WPAD-Vulnerability-Assessment-in-the-New-gTLD-Era.pdf
;
reference:url,www.us-cert.gov/ncas/alerts/TA16-144A;
classtype:misc-attack; sid:1; rev:1;)

See reference for more information.

Don't forget check variables.

Please send any comments.

Regards
@Rmkml


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------------------------------------------------------------------------------
What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic
patterns at an interface-level. Reveals which users, apps, and protocols are 
consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity 
planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e
_______________________________________________
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