Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Axb
Benoit had already confirmed that the redirector_pattern worked as expected. On 11/2/21 6:07 PM, Bill Cole wrote: On 2021-11-02 at 04:52:17 UTC-0400 (Tue, 2 Nov 2021 09:52:17 +0100) Benoit Panizzon is rumored to have said: Hi SA Community In the last couple of weeks, I see a massive

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Bill Cole
On 2021-11-02 at 04:52:17 UTC-0400 (Tue, 2 Nov 2021 09:52:17 +0100) Benoit Panizzon is rumored to have said: Hi SA Community In the last couple of weeks, I see a massive increase of spam mails which make use of google site redirection and dodge all our attempts at filtering. That is google

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Benoit Panizzon
Hi Alex > So what redirector_pattern rule did you use? Turned out, the shipped one matched: redirector_pattern m'^https?:/*(?:\w+\.)?google(?:\.\w{2,3}){1,2}/url\?.*?(?<=[?&])q=(.*?)(?:$|[&\#])'i But when I first tested, the URI was not yet blacklisted to this missed my attention. Mit

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Benoit Panizzon
Hi Alex > you're looking to use a redirector_pattern rule - weird that this hasn't > been yet been added in SA's default ruleset > Please submit a bug with a sample message Thank you, that sounds promising. Digging into how to use. Mit freundlichen Grüssen -Benoît Panizzon- -- I m p r o W a

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Benoit Panizzon
Hi Martin > You can find out quite a lot about a spamming site with a few common > commandline tools: > > - 'ping' tells you of the hostname part of the UREL is valid > - 'host hostname' should get the sender's IP > - 'host ip' IOW a reverse host lookup, tells yo if the first >

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Martin Gregorie
On Tue, 2021-11-02 at 09:52 +0100, Benoit Panizzon wrote: > Hi SA Community > You can find out quite a lot about a spamming site with a few common commandline tools: - 'ping' tells you of the hostname part of the UREL is valid - 'host hostname' should get the sender's IP - 'host ip' IOW a

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Axb
you're looking to use a redirector_pattern rule - weird that this hasn't been yet been added in SA's default ruleset Please submit a bug with a sample message On 11/2/21 9:52 AM, Benoit Panizzon wrote: Hi SA Community In the last couple of weeks, I see a massive increase of spam mails which

Re: Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Benoit Panizzon
Hi Raymond > If you could check that it would help a lot > > Some rules to translate common used services and your example is a good > one. If you would check the specific domain it would havbe hit SURBL. Yes, and future hits to the SWINOG Spamtrap (uribl.swinog.ch) will also extract such

Decoding Google URL redirections and check VS URI Blacklists

2021-11-02 Thread Benoit Panizzon
Hi SA Community In the last couple of weeks, I see a massive increase of spam mails which make use of google site redirection and dodge all our attempts at filtering. That is google redirector is about the only common thing in those emails. Source IP, text content etc. is quite random. Such an