[Bro] A little more confusion with Intel

Seth Hall seth at corelight.com
Thu Feb 1 08:10:23 PST 2018

Ahh!  I understand your use case better now.  We could use the 
effective-tld package to create a new "seen" injector for the intel 
framework that pokes effective TLDs into the intel framework.  I don't 
know what the overhead effects of this would be, but it might not be too 


On 31 Jan 2018, at 18:21, James Lay wrote:

> Thanks Seth,
> I basically modified this for bro use:
> https://isc.sans.edu/forums/diary/Tracking+Newly+Registered+Domains/23127/
> It's basically a list of domain names that have been newly registered. 
>  Does that help?
> James
> On 2018-01-29 09:14, Seth Hall wrote:
>> On 22 Jan 2018, at 11:30, James Lay wrote:
>>> It's actually the inverse of what I'm seeing.  In my tests if I 
>>> have Intel::DOMAIN yahoo.com and I did a 
>>> "dig [www.yahoo.com",](<http://www.yahoo.com",>) the domain intel 
>>> would not match because the dns request was for "www.yahoo.com", not 
>>> yahoo.com.  Does that make sense?  Thank you.
>> Yeah, if we had a more comprehensive matcher for the intel framework
>> then you'd have a lot of options open for you.  I suppose that my 
>> main
>> point was that at the moment you will have to just include the exact
>> domain that you want to match on.
>> Do you have a large list where you'd like to watch for any hits on 
>> the
>> effective second level domain like you're describing here?
>>   .Seth
>> --
>> Seth Hall * Corelight, Inc * www.corelight.com

Seth Hall * Corelight, Inc * www.corelight.com

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