Re: [mailop] Malware waves from hotmail.com

2021-06-09 Thread Scott Mutter via mailop
Many thanks for the links - these would seem to accomplish the desired task. On Sat, Jun 5, 2021 at 6:11 PM joemailop--- via mailop wrote: > Hello Scott, > > Azure's IP space, updated once a week with one week lead before they go > live - >

Re: [mailop] Malware waves from hotmail.com

2021-06-05 Thread joemailop--- via mailop
Hello Scott, Azure's IP space, updated once a week with one week lead before they go live - https://www.microsoft.com/en-us/download/details.aspx?id=56519 From the looks of the json filename, it is changed after each release, so I wouldn't recommend re-downloading the below json file for new

Re: [mailop] Malware waves from hotmail.com

2021-06-05 Thread Michael Peddemors via mailop
Sorry, bit laid up and typing with one hand, but luckily all the top three publicly list their IP(s), unfortunately they do it via web URLs' that you need to parse instead of via say a rwhois entry. (some are listed at various services you can query in RBL format such as RATS-AZURE) Some

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Alan Hodgson via mailop
On Fri, 2021-06-04 at 18:08 -0500, Scott Mutter via mailop wrote: > On Fri, Jun 4, 2021 at 1:24 PM Michael Peddemors via mailop > wrote: > > With apache, you can use modsecurity quite easily, and you can block all > > azure (and other cloud providers ranges) from certain services like > >

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Scott Mutter via mailop
On Fri, Jun 4, 2021 at 1:24 PM Michael Peddemors via mailop < mailop@mailop.org> wrote: > With apache, you can use modsecurity quite easily, and you can block all > azure (and other cloud providers ranges) from certain services like > wordpress, or contact forms etc.. (you can even do dns based

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Bill Cole via mailop
On 2021-06-04 at 10:35:26 UTC-0400 (Fri, 4 Jun 2021 16:35:26 +0200) Martin Flygenring via mailop is rumored to have said: Have anyone found a good way to block these using SpamAssassin? We tried to make some rules, but it's hard to make any with that gibberish and short subject and body.

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Eric Tykwinski via mailop
> -Original Message- > From: mailop On Behalf Of Michael Peddemors via > mailop > Sent: Friday, June 4, 2021 2:24 PM > To: mailop@mailop.org > Subject: Re: [mailop] Malware waves from hotmail.com > > With apache, you can use modsecurity quite easily, and yo

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Michael Peddemors via mailop
With apache, you can use modsecurity quite easily, and you can block all azure (and other cloud providers ranges) from certain services like wordpress, or contact forms etc.. (you can even do dns based checks or rbldnsd) .. Unless desktop in the cloud becomes more prevalent, you should make

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Alan Hodgson via mailop
On Fri, 2021-06-04 at 11:45 -0500, Scott Mutter via mailop wrote: > Not to hijack this thread and send it off-topic, but I'm also seeing a lot > of brute force attempts (mostly WordPress login attempts) from various and > wide-ranging subnets of Microsoft IPs. > > Has Microsoft's network been

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Scott Mutter via mailop
Not to hijack this thread and send it off-topic, but I'm also seeing a lot of brute force attempts (mostly WordPress login attempts) from various and wide-ranging subnets of Microsoft IPs. Has Microsoft's network been compromised? On Fri, Jun 4, 2021 at 10:46 AM Jörg Backschues via mailop <

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Jörg Backschues via mailop
On 04.06.21 at 10:20h Bjoern Franke wrote via mailop: since several weeks we are getting several mails a day from hotmail.com users with subjects like "fob xt k xerhc", an attached malware PDF like [1] and adressed to ~200 recipients. The good thing is, that the patterns are very clearly

Re: [mailop] Malware waves from hotmail.com

2021-06-04 Thread Martin Flygenring via mailop
Have anyone found a good way to block these using SpamAssassin? We tried to make some rules, but it's hard to make any with that gibberish and short subject and body. The rule we made initially looked at the length of the body. It was good at catching these, but unfortunately it also got some

[mailop] Malware waves from hotmail.com

2021-06-04 Thread Bjoern Franke via mailop
Hi, since several weeks we are getting several mails a day from hotmail.com users with subjects like "fob xt k xerhc", an attached malware PDF like [1] and adressed to ~200 recipients. Mabye we should consider blocking all outbound servers of Microsoft because some part of their network is