Discussion:
SpamAssassin stopped SOBIG.F
(too old to reply)
n***@novirus.com
2003-08-22 03:57:12 UTC
Permalink
This looks like an interesting tidbit, from a bounce. It might help anybody
wanting to filter.

Note that most of the accumulated points came from:
"Forged mail pretending to be from MS Outlook"

The header it seems to refer to is:
X-Mailer: Microsoft Outlook Express 6.00.2600.0000
[the vast majority, maybe all, of bounces that report headers have that same
one]

The "spam" report:
X-Spam-Report: ---- Start SpamAssassin results
6.70 points, 6 required;
* 0.8 -- From: does not include a real name
* 0.6 -- Invalid Date: header (not RFC 2822)
* 0.1 -- RAW: Message includes Microsoft executable program
* 0.8 -- Date: is 6 to 12 hours before Received: date
* 0.5 -- Message has X-MSMail-Priority, but no X-MimeOLE
* 0.4 -- Spam tool pattern in MIME boundary
* 3.5 -- Forged mail pretending to be from MS Outlook
---- End of SpamAssassin results
--
Ken
Jarmo Puolakanaho
2003-08-22 14:15:42 UTC
Permalink
Post by n***@novirus.com
This looks like an interesting tidbit, from a bounce. It might help anybody
wanting to filter.
I have this in my .procmailrc:
---cut---
:0fw
| spamc

:0e
EXITCODE==$?

:0:
* ^X-Spam-Status: Yes,
hits=((1[0-9])|([2-9][0-9])|(1[0-9][0-9])|(2[0-9][0-9]))
/dev/null

:0:
* ^X-Spam-Status: Yes
spam
---cut---

... and this in my .spamassassin/user_prefs:
---cut---
score NO_REAL_NAME 1
score FORGED_MUA_OUTLOOK 4
score MISSING_MIMEOLE 2.5
score MIME_BOUND_NEXTPART 2.5
---cut---

This way, most SoBig.F messages get the spam score of 10, which means they
are thrown straight to /dev/null.
--
Two types of people: Those who finish what they start and
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