[Bro] Issues with Signature Framework

James Lay jlay at slave-tothe-box.net
Fri May 12 07:39:21 PDT 2017


Try putting it at the top of the sig list.  If that doesn't work, put it 
at the bottom.  I remember dealing with this myself after updating to 
2.5.

James

On 2017-05-10 12:18, Josh Guild wrote:
> Hi all,
> 
> I'm pretty sure I know the answer will be "don't use the Signature
> Framework" but I'm going to ask this question anyways. Ha.
> 
> I'm trying to whitelist an IP as a destination within a signature but
> it doesn't seem to work and the sig is still firing. Is this just a
> quirk within the SF or am I missing something?
> 
> Example:
> 
> signature name {
>         ip-proto == tcp
> 
>         dst-ip != 10.0.0.1
> 
>         payload /stuffimlookingfor/
>         event "Getting stuff over TCP"
> }
> 
> Any help would be much appreciated, thanks!
> 
> --
> 
> Josh Guild
> Network Intelligence Analyst
>  [1] [2]
> 
> 
> 
> Links:
> ------
> [1] https://twitter.com/stay_spooky
> [2] https://keybase.io/joshuaguild
> 
> _______________________________________________
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> bro at bro-ids.org
> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/bro


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