Grreting card scams

Martin.Hepworth martinh at solidstatelogic.com
Fri Jul 27 08:26:57 IST 2007


Following SA hits are typical on my system for these emails..

	score=24.878
5	required
	autolearn=spam
5.40	BAYES_99	Bayesian spam probability is 99 to 100%
5.00	BOTNET	Relay might be a spambot or virusbot
0.77	DIGEST_MULTIPLE	Message hits more than one network digest check
0.67	FH_HOST_EQ_D_D_D_D	Host starts with d-d-d-d
0.98	HOST_EQ_CPE
0.31	HOST_MISMATCH_COM
4.00	NORMAL_HTTP_TO_IP	Uses a dotted-decimal IP address in URL
3.70	PYZOR_CHECK	Listed in Pyzor (http://pyzor.sf.net/)
0.50	RAZOR2_CF_RANGE_51_100	Razor2 gives confidence level above 50%
1.50	RAZOR2_CF_RANGE_E8_51_100	Razor2 gives engine 8 confidence level above 50%
0.50	RAZOR2_CHECK	Listed in Razor2 (http://razor.sf.net/)
1.56	RCVD_IN_BL_SPAMCOP_NET	Received via a relay in bl.spamcop.net

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300
> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Doc Schneider
> Sent: 26 July 2007 23:51
> To: MailScanner discussion
> Subject: Re: Grreting card scams
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Glenn Steen wrote:
> > On 27/07/07, Matt Kettler <mkettler at evi-inc.com> wrote:
> >> Rick Cooper wrote:
> >>
> >> >  > -----Original Message-----
> >> >  > From: mailscanner-bounces at lists.mailscanner.info
> >> >  > [mailto:mailscanner-bounces at lists.mailscanner.info] On
> >> >  > Behalf Of Matt Kettler
> >> >  >
> >> >  > However, If I copy one of the messages back onto the server
> >> >  > and scan it with
> >> >  > clamscan, clamscan does detect it as a virus.
> >> >  >
> >> >  > However, none of them have ever been detected as a virus
> >> >  > while going through
> >> >  > MailScanner. Ever. (I just searched all my postmaster
> >> >  > notices from MailScanner
> >> >  > and the word "You've" doesn't appear in any of them, which
> >> >  > would be part of the
> >> >  > subject-line quite.).
> >> >  >
> >> >  > Note that my MailScanner setup does detect phishing signatures.
> >> >  >
> >> >  > ie:
> >> >  >     Report: ClamAV: msg-9454-234.html contains HTML.Phishing.Pay-
> 36
> >> >  >     Report: ClamAV: msg-17765-74.html contains
> >> Email.Phishing.RB-1260
> >> >  >
> >> >  > But there are no Email.Phishing.RB-1222's in there anywhere.
> >> >  >
> >> >
> >> > What do you get if you run
> >> >
> >> > sigtool --list-sigs|grep Email.Phishing.RB-1222
> >> >
> >> > Perhaps something amiss with the clamdb updates? Accidental dupe
> >> installs?
> >> >
> >> > Rick
> >>
> >> Given that running clamscan on the email file outside of MailScanner
> >> detects it
> >> as a virus, I've already conclusively proven clamav has the signature
> >> and it
> >> works properly.
> >>
> >> One observation, though, the specific test messages I used detected as
> >> 1221 not
> >> 1222, but they're all related.
> >>
> >> ecardspam1.eml: Email.Phishing.RB-1221 FOUND
> >> ecardspam2.eml: Email.Phishing.RB-1221 FOUND
> >> ecardspam3.eml: Email.Phishing.RB-1221 FOUND
> >>
> >> However, if you insist:
> >> # sigtool --list-sigs|grep Email.Phishing.RB-1222
> >> Email.Phishing.RB-1222
> >>
> >> Yes, it's there. Yes, clamscan can use it, and clamscan properly
> >> detects the
> >> messages as viruses when executed manually. No, clamav via MailScanner
> >> cannot
> >> detect it.
> >>
> > Could this perhaps have anything to do with how clam gets fed the
> > message in MailScanner....? If I'm not completely senile (always a
> > possibility:-), MS doesn't feed it the complete message, hence some
> > newstyle sigs will never (be able to) trigger.
> >
> > Cheers
>
> This makes sense... or else we know Jules has been into the
> "Guiness(sic)" again! HAR!
>
> - --
> - -Doc
> Lincoln, NE.
> http://www.genealogyforyou.com/
> http://www.cairnproductions.com/
>
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> Comment: Using GnuPG with CentOS - http://enigmail.mozdev.org
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