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3 ways DNS filtering can save SMBs from cyberattacks

Malwarebytes

That’s where DNS filtering comes in. But first, DNS in a nutshell. So normally, every time your customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go. But which web-based cyberthreats in particular does DNS filtering stop, you ask?

DNS 80
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Massive increase in XorDDoS Linux malware in last six months

Malwarebytes

Based on a case study in 2015 , Akamai strengthened the theory that the malware may be of Asian origin based on its targets. Microsoft said that XorDDoS continues to home on Linux-based systems, demonstrating a significant pivot in malware targets. Such powerful attacks are no longer conducted just to disrupt.

Malware 133
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Overview of IoT threats in 2023

SecureList

The first-ever large-scale malware attacks on IoT devices were recorded back in 2008, and their number has only been growing ever since. Attack vectors There are two main IoT infection routes: brute-forcing weak passwords and exploiting vulnerabilities in network services. Unfortunately, users tend to leave these passwords unchanged.

IoT 85
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DirtyMoe botnet infected 100,000+ Windows systems in H1 2021

Security Affairs

Experts defined DirtyMoe as a complex malware that has been designed as a modular system. The Windows botnet has been active since late 2017, it was mainly used to mine cryptocurrency, but it was also involved in DDoS attacks in 2018. “Both PurpleFox and DirtyMoe are still active malware and gaining strength.”

DNS 127
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Meet Ika & Sal: The Bulletproof Hosting Duo from Hell

Krebs on Security

As detailed in my 2014 book, Spam Nation , Spamdot was home to crooks controlling some of the world’s nastiest botnets, global malware contagions that went by exotic names like Rustock , Cutwail , Mega-D , Festi , Waledac , and Grum. I can not provide DNS for u, only domains.

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Mozi P2P Botnet also targets Netgear, Huawei, and ZTE devices

Security Affairs

Mozi is an IoT botnet that borrows the code from Mirai variants and the Gafgyt malware , it appeared on the threat landscape in late 2019. According to the researchers, in the last months of 2019, the botnet was mainly involved in DDoS attacks. Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

IoT 103
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Two Linux botnets already exploit Log4Shell flaw in Log4j

Security Affairs

The attack_init function is also discarded, and the ddos attack function is called directly by the command processing function. ssh/authorized_keys file, the attacker can directly log into the remote server without password authentication. During this process, a number of DNS requests are generated.”

DDOS 135