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Posted to users@spamassassin.apache.org by Bowie Bailey <Bo...@BUC.com> on 2015/07/21 21:50:16 UTC

Spam surge

I am getting a bunch of spam that is hitting almost nothing except Bayes 
and occasionally DCC.  I can't seem to find any kind of pattern to key 
on.   The IP addresses, From addresses, Subject lines, URLs, etc are all 
different.  The URLS look normal and are generally .com domains.  I'm 
getting 20-30 per day on several of my email addresses.

Subjects are things like arthritis, cancer, medical alarms, tooth 
whitening, vacation planning, A/C systems, etc.

Anyone else seeing this?

-- 
Bowie

Re: Spam surge

Posted by Reindl Harald <h....@thelounge.net>.
Am 21.07.2015 um 21:58 schrieb Reindl Harald:
>
> Am 21.07.2015 um 21:50 schrieb Bowie Bailey:
>> I am getting a bunch of spam that is hitting almost nothing except Bayes
>> and occasionally DCC.  I can't seem to find any kind of pattern to key
>> on.   The IP addresses, From addresses, Subject lines, URLs, etc are all
>> different.  The URLS look normal and are generally .com domains.  I'm
>> getting 20-30 per day on several of my email addresses.
>>
>> Subjects are things like arthritis, cancer, medical alarms, tooth
>> whitening, vacation planning, A/C systems, etc.
>>
>> Anyone else seeing this?
>
> yes, hence i wrote some months ago a webinterface for subject filters
>
> * starts with
> * ends with
> * contains
> * is equal
>
> * very low severity (0.5 points)
> * low severity (1.5 points)
> * medium severity (2.5 points)
> * high severity (3.5 points)
> * very high severity (4.5 points)
>
> the cron-script generating "local.cf" builds blocks like below and in
> the meantime the same was implemented for body filters
>
> # Body Begins Medium
> body      CUST_BODY_8     /^(dear boss|god bless you|hi my dear beloved
> one good day|my beloved in god).*/i
> score     CUST_BODY_8     2.5
> describe  CUST_BODY_8     Begins Medium

uhm - that above was a body filter from the same logic
that's a sample for subjects

# Subject Ends Very Low
header    __CUST_SUBJ_11  Subject =~ /.*(not\s+spam\.)$/i
meta      CUST_SUBJ_11    (__HAS_SUBJECT && __CUST_SUBJ_11)
score     CUST_SUBJ_11    0.5
describe  CUST_SUBJ_11    Ends Very Low


Re: Spam surge

Posted by Reindl Harald <h....@thelounge.net>.

Am 21.07.2015 um 21:50 schrieb Bowie Bailey:
> I am getting a bunch of spam that is hitting almost nothing except Bayes
> and occasionally DCC.  I can't seem to find any kind of pattern to key
> on.   The IP addresses, From addresses, Subject lines, URLs, etc are all
> different.  The URLS look normal and are generally .com domains.  I'm
> getting 20-30 per day on several of my email addresses.
>
> Subjects are things like arthritis, cancer, medical alarms, tooth
> whitening, vacation planning, A/C systems, etc.
>
> Anyone else seeing this?

yes, hence i wrote some months ago a webinterface for subject filters

* starts with
* ends with
* contains
* is equal

* very low severity (0.5 points)
* low severity (1.5 points)
* medium severity (2.5 points)
* high severity (3.5 points)
* very high severity (4.5 points)

the cron-script generating "local.cf" builds blocks like below and in 
the meantime the same was implemented for body filters

# Body Begins Medium
body      CUST_BODY_8     /^(dear boss|god bless you|hi my dear beloved 
one good day|my beloved in god).*/i
score     CUST_BODY_8     2.5
describe  CUST_BODY_8     Begins Medium


Re: Spam surge

Posted by Alex Regan <my...@gmail.com>.
Hi,

> I am getting a bunch of spam that is hitting almost nothing except Bayes
> and occasionally DCC.  I can't seem to find any kind of pattern to key
> on.   The IP addresses, From addresses, Subject lines, URLs, etc are all
> different.  The URLS look normal and are generally .com domains.  I'm
> getting 20-30 per day on several of my email addresses.
>
> Subjects are things like arthritis, cancer, medical alarms, tooth
> whitening, vacation planning, A/C systems, etc.
>
> Anyone else seeing this?

Yes, seeing them here too for at least the last two weeks.

Please let me know if someone is interested in a pastebin example to be 
investigated or would like it sent to them...

thanks,
alex