Snort: Re: Could you send me on a signature to captur e all emails that are sent to a domain, for example “ @tnt.com”.

[Aisling Brennan <aislingbrennan21 () gmail com>]

Hi there,

This worked fine. 

Can you help with syntax for a rule to detect email attachnents ? 

Tks 

Sent from my iPhone

On 19 Jan 2013, at 18:37, Balasubramaniam Natarajan <bala150985 () gmail com> wrote:

> On Sat, Jan 19, 2013 at 1:30 AM, Aisling Brennan <aislingbrennan21 () gmail com> wrote:
>
> Two points
>
> 1. Please don't convey the entire message using the Subject :-O
>
> 2.  Try this signature
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET 25 (msg:"Mail sent to at tnt dot com domain"; flow:to_server,established; 
> content:"rcpt to|3a|"; nocase; content:"|40|tnt|2e|com"; within:800; sid:10000000; rev:1;)
>
> -- 
> Regards,
> Balasubramaniam Natarajan
> www.blog.etutorshop.com
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