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DNS / Industry Updates

SideWinder DNS Blackholes Uncovered with Threat Intelligence Platform

A Domain Name System (DNS) blackhole is essentially a DNS server that gives false results for domain names. Also known as a "sinkhole server," an "Internet sinkhole," or a "DNS sinkhole," threat actors sometimes use DNS blackholes to redirect users to potentially harmful sites or pages. more

Verisign Q1 2021 Domain Name Industry Brief: 363.5 Million Domain Name Registrations in Q1 2021

Today, we released the latest issue of the Domain Name Industry Brief, which shows that the first quarter of 2021 closed with 363.5 million domain name registrations across all top-level domains (TLDs), a decrease of 2.8 million domain name registrations, or 0.8%, compared to the fourth quarter of 2020. Domain name registrations have decreased by 3.3 million, or 0.9%, year over year. more

Given a Malicious Email Address, What Can You Discover with Maltego’s WhoisXML API Transforms?

On any given day, most of us get more emails that we won't read than those that we would. Many of these messages will remain unread and sent to the trash. There comes the third category of emails: Those we wished we hadn't read and acted upon because they are bound to be malicious, sent by cybercriminals trying to lure you into one of their scams. more

Looking Into the Latest Microsoft Exchange Server Vulnerability Exploitation

A threat actor reportedly infiltrated the network of and stole data from a financial institution about a month ago by exploiting any of four Microsoft Exchange Server vulnerabilities -- CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, or CVE-2021-27065. While patches for all these have been released, users who have not downloaded and installed these could remain at risk. more

Hidden Botnet C&C on Legitimate Infrastructure? The Case of 000webhostapp[.]com

Threats can come from anywhere, even from legitimate hosting infrastructure. In fact, many cybercriminals often host their command-and-control (C&C) servers in known hosting providers' networks, sometimes those that offer bulletproof hosting services, to evade detection and consequent blocking. more

A Deep Dive into Known Magecart IoCs: What Are the Connected Internet Properties?

Magecart-style attacks have been around for a while and continue to be mentioned in the news in 2021. We found and collected a list of 20 domain names that have been mentioned in the past months on VirusTotal as Magecart indicators of compromise (IoCs). more

COVID-19-Related Bulk Domain Registrations: A Possible Case of DNS Abuse?

Addressing Domain Name System (DNS) abuse has been a priority of the Internet Corporation for Assigned Names and Numbers (ICANN), notably since March 2020. During its 70th conference, the organization's members talked about creating a web page defining DNS abuse-related terms, which should be updated over time, to help users report cases. more

DNS Over HTTPS: Spanish Version of eco Discussion Paper on DoH Available

Throughout the history of the Internet, traditional DNS traffic - for example, when a user types a website name into a browser - has largely been unencrypted. The DNS over HTTPS (DoH) protocol, which first emerged in 2018, makes use of the well-known secure HTTPS web protocol to change that. more

Come April, Nothing Is Certain Except Phishing and Taxes

In the past years, threat actors have made it a point to prey on U.S. taxpayers using phishing emails supposedly from the Internal Revenue Service (IRS). The goal is often to trick victims into giving their login credentials to various platforms. This year is no different. more

Verisign Q4 2020 Domain Name Industry Brief: 366.3 Million Domain Name Registrations in Q4 2020

Today, we released the latest issue of the Domain Name Industry Brief, which shows that the fourth quarter of 2020 closed with 366.3 million domain name registrations across all top-level domains (TLDs), a decrease of 4.4 million domain name registrations, or 1.2 percent, compared to the third quarter of 2020. more