<div><div dir="auto">99% chance it's sent from a compromised server.</div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Mar 24, 2019 at 11:56 PM Alex Carver via Ale <<a href="mailto:ale@ale.org">ale@ale.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I got a raft of them sent to my personal server from various hacked<br>
machines. A bunch in Brazil, one at Digital Ocean, another at Amazon<br>
EC2. In my case they always wrote the from and to to be the same<br>
address so I added another ACL to the mail server to block anything that<br>
came from the outside and claimed to be from me and to me. It all went<br>
away after that.<br>
<br>
Of course these started showing up long after I had already been<br>
blocking entire netblocks for abuse (hundreds of relay attempts per<br>
minute) so I may have already been ignoring some sources.<br>
<br>
On 2019-03-24 19:39, Ben Coleman via Ale wrote:<br>
> I'm sure you've gotten them - those emails claiming that they've hacked<br>
> you, and have video evidence of you activities while you're (ehem)<br>
> interacting with certain sites, and that this evidence can all go away<br>
> if you'll only deposit a certain amount of money into their bitcoin<br>
> account. The latest tack they've been taking is to combine your email<br>
> with those caches of passwords from various exploits so they can appear<br>
> to know your passwords (yeah, one I used 10 years ago).<br>
> <br>
> But what I didn't realize was how inexperienced (at least some of) these<br>
> guys are at the actual spamming game. On a whim, I popped up the<br>
> headers for one of these (I've been amused before on how, for example,<br>
> some of these claim to have included a 'tracking pixel' on what is<br>
> actually a text/plain email). To my surprise, there was but one<br>
> Received header. Straight from their server to mine (well, they did try<br>
> to spoof the HELO to look like it was an outlook mail server, but if you<br>
> know anything about Received headers, you know to ignore that). No<br>
> obfuscation of the headers at all. And it was in the network of a VPS<br>
> vendor. Now, it's possible that someone's had their VPS hacked, but<br>
> since this whole faux extortion thing is really script-kiddie level<br>
> stuff, it wouldn't surprise me if someone was stupid enough to send this<br>
> stuff out from their own VPS.<br>
> <br>
> I felt transported back to the early 2000s when it was actually useful<br>
> to read Received headers, figure out where an email came from (even if<br>
> the spammer tried to inject bogus Received headers), and report it to<br>
> their ISP, with results (usually the spammer account shut down - I've<br>
> got my share of "positive" results, including one from Afterburner (for<br>
> those who remember him)). Those days pretty much went away when the<br>
> spammers joined up with the botnet crowd.<br>
> <br>
> So, I sent off a report to the VPS vendor's abuse account. And went and<br>
> found another that originated off of an Amazon EC2 and shot off a report<br>
> to Amazon's abuse account. Don't know yet if this will do any good.<br>
> But if any other ALEers have a nostalgic spot for the early<br>
> antispamming days, this may be a place where you can play again.<br>
> <br>
> Ben<br>
> <br>
> <br>
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</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature">Sent from my mobile. Please excuse the brevity, spelling, and punctuation.</div>