Spoofs

Beware those scam emails from .top, .stream and .download domains

Member for

1 year 5 months
Submitted by AlReaud on Mon, 10/03/2016 - 17:43

Since the advent of .top, .stream, and .download domains there has been a plethora of new spam emails that are flooding the Internet. This result comes from cheap hosting accounts available from many providers. Hosting providers have no incentive, however, to stop this because they are making money from hosting questionable accounts, and there are technical and legal challenges to stopping spam.

Spotting the scam emails is pretty easy, they usually come from strange addresses ending in .top, .stream, or .download, but can be from other domains with entreaties to protect children, etc. Usually, but not always, the emails contain only images, and the links are very ephemeral. The most important thing you can do to protect yourself from these is to DISABLE REMOTE CONTENT (Google your specific email browser to get the information on how to do so). The next most important thing, other than marking them as spam and deleting them immediately, is to set filters that mark and delete email from .top, .stream, and .download domains.

By disabling remote content, the image that is usually enclosed in the spam email isn't downloaded. That prevents the compromised server these things redirect to from knowing that your email address is valid and being read. It can do so because as seen below, the embedded links in the email have a unique signature that is associated with your email address.

Five examples are (redirects are done using the text only browser, Lynx, and Wireshark for packet capture, PLEASE DON'T FOLLOW ANY OF THE LINKS BELOW UNLESS YOU ABSOLUTELY KNOW WHAT YOU ARE DOING!):

Disecting a Spoof Craigs List Email

Member for

1 year 5 months
Submitted by AlReaud on Tue, 12/27/2011 - 09:29

NOTE: Updated 11/15/2016

Today's blog entry will cover a little live action. This is a continuation of the attacks from French domains. Contrary to popular belief, all online attacks DO NO ORIGINATE FROM CHINA!

Following the receipt of the below email, I examined the email in detail (clicking on the image opens a full size image in another tab or window).

Craigs List phishing email attempting to get your login.

The most important above is that when you hover over the link, you can see in the status bar