[Bro] Bro 2.4.1 and issue with smtp-embedded-url-bloom.bro
James Lay
jlay at slave-tothe-box.net
Thu Mar 31 13:43:32 PDT 2016
Unfortunately I get this when running the latest version:
1459456959.248537 expression error in
/usr/local/bro/share/bro/site/smtp-embedded-url-bloom.bro, line 156:
field value missing [SMTPurl::c$smtp$from]
Thank you.
James
On 2016-03-30 18:05, Aashish Sharma wrote:
> Hello James,
>
> Yes, that was caused in a very early version of the script because of
> using
>
> You should try this:
>
> - event mime_segment_data(c: connection, length: count, data: string)
> &priority=-5
> + event mime_all_data(c: connection, length: count, data: string)
> &priority=-5
>
>
> Or try this policy:
>
> https://github.com/initconf/smtp-analysis/blob/master/smtp-embedded-url-bloom.bro
>
> Aashish
>
>
>
>
> On Wed, Mar 30, 2016 at 05:54:37PM -0600, James Lay wrote:
>>
>> On Wed, 2016-03-30 at 15:04 +0000, Stephen Castellarin wrote:
>>
>> Hi all,
>>
>> I've set up a Bro instance to test out URL extraction from SMTP,
>> using the
>> smtp-embedded-url-bloom.bro scripts. For the most part
>> the
>> extract/logging is working, but many times I'll find that the
>> host and url
>> logged will be truncated. As an example I'd see one email listed
>> that has
>> 20 links extracted, but one log entry would have host name as
>> "award" with
>> the url as "http://award". The remaining URLs for that email
>> look to be
>> extracted correctly.
>>
>> Has anyone else noticed this issue?
>> Thanks,
>>
>> Steve
>>
>> _______________________________________________
>> Bro mailing list
>> [1]bro at bro-ids.org
>> [2]http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/bro
>>
>> Yep...I suspect emails that are quoted-printable emails fall victim
>> to this:
>> [3]https://en.wikipedia.org/wiki/Quoted-printable
>> James
>>
>> References
>>
>> 1. mailto:bro at bro-ids.org
>> 2. http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/bro
>> 3. https://en.wikipedia.org/wiki/Quoted-printable
>
>> _______________________________________________
>> Bro mailing list
>> bro at bro-ids.org
>> http://mailman.ICSI.Berkeley.EDU/mailman/listinfo/bro
More information about the Bro
mailing list