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Tag Archives: spam
Blocklists are for more than just Spam
Blocklists, also known as Real-time Blackhole Lists (RBL) or Domain Name System-based Blackhole Lists (DNSBL), have historically been used to reject or flag email. This is typically done by checking whether the IP address of the sending mail server is … Continue reading
Posted in Uncategorized
Tagged authentication attack, blocklist, cloud networks, rbl, spam
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Trends in Networks: Spam #19
What else can be said about the Freenom and .xyz TLD abuse on Digital Ocean at this point. Perhaps it is time to just accept that email from these TLDs should never be accepted from the Digital Ocean network. Feb26 … Continue reading
Posted in Informative
Tagged bitcoin, bitcoin spam, digital ocean, domain, freenom, freenom tld, phishing, Snowshoe spam, spam, spammer, top level domain
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Trends in Networks: Spam #18
It’s a shame that such simple fixes can’t or won’t be done by a company to make the world a better place. I wonder if the money is really worth knowingly turning a blind eye to malicious activity, activity that … Continue reading
Posted in Informative
Tagged bitcoin, bitcoin spam, digital ocean, domain, freenom, freenom tld, phishing, snowshoe marketing, Snowshoe spam, spam, spammer, top level domain
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Trends in Networks: Spam #17
Never ending freenom and xyz TLD spam continues on Digital Ocean. A big burst came in on Valentines day from these newsgood.xyz domains. Feb12 159.65.97.208 x1 box.hasferst.xyz 164.90.222.36 x7 ocean.heurlin.xyz 167.71.236.182 x20 mail.gizmospace.ml Feb13 104.248.198.228 x1 box.tspsonghericeltd.xyz 188.166.212.60 x2 mail.granti.xyz … Continue reading
Posted in Informative
Tagged digital ocean, domain, fake invoice spam, freenom, freenom tld, heficed, phishing, spam, spammer, top level domain
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Trends in Networks: Spam #16
Some more throwaway freenom and xyz domains spamming on the Digital Ocean networks. I’m slowly working on expanding this report to more networks, just have been pretty busy with everything else going on. These actors have been shooting out this … Continue reading
Posted in Informative
Tagged digital ocean, domain, freenom, freenom tld, marketing spam, spam, spammer, top level domain
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Trends in Networks: Spam #15
Back at it again with some more throwaway domains from our old friends. Amazing how we can always count on spammers to persist like cockroaches. Still no sign of this spam activity stopping since we’ve last reported in December, and … Continue reading
Posted in Informative
Tagged digital ocean, domain, freenom, freenom tld, spam, spammer, top level domain
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Trends in Networks: Spam #14
The last few weeks have been quite interesting for us researchers. Unfortunately that ‘interesting’ stuff delayed a bit of our social media efforts. Digital Ocean abuse is now stronger than ever. We would hope to see a reduction in these … Continue reading
Posted in Informative
Tagged digital ocean, domain, freenom, freenom tld, marketing spam, snowshoe marketing, Snowshoe spam, spam, spammer, top level domain
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Trends in Networks: Spam #13
Another week goes by with seemingly no actions taken to prevent this abuse. Do we put the onus on the person who abuses the tool, the person who provides the use of the tool, or the person who created the … Continue reading
Posted in Informative
Tagged digital ocean, domain, freenom, freenom tld, marketing spam, snowshoe marketing, Snowshoe spam, spam, spammer, top level domain
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Trends in Networks: Spam #12
Back from a break and picking up where we left off. It’s a shame the spammers have not taken a break… still the same pattern of activity occurring on the Digital Ocean network. We’re only looking at .xyz and Freenom … Continue reading
Posted in Informative
Tagged digital ocean, domain, freenom, freenom tld, marketing spam, snowshoe marketing, Snowshoe spam, spam, spammer, top level domain
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When and Why Internet Providers Should Block Port 25 Outbound
The Internet has swiftly synergized into the lives of people ever since it was introduced to the general population. Nowadays, without it people will feel like a significant part of them is missing. What we are unaware of is how … Continue reading
Posted in Informative
Tagged Brazil, internet service provider, ISP, Latin America, port25, spam
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