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Re: [Emerging-Sigs] Proposed Sirefef (was Re: Late in the day...bet this could be sig'd)
From: Joel Esler <jesler () sourcefire com>
Date: Tue, 7 May 2013 11:34:26 -0400

On May 6, 2013, at 5:31 PM, Nathan <nathan () packetmail net> wrote:
On May 6, 2013, at 13:37, Joel Esler <jesler () sourcefire com> wrote:

Looking at what you are intending here, I think you mean it the other way (HOME_NET -> $EXTERNAL_NET)

Neg, was looking for a compromised site serving it up to visitors and subsequent compromise with the fake Opera UA.  
Looking at local web compromise might be good/valid too.  I think waldo confused us :)

if that was the intention, then the rule should be written 

$HOME_NET $HTTP_PORTS -> $EXTERNAL_NET any (flow:to_client,established) yes?

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