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DDoS attacks in Q4 2020

SecureList

The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent. In December, Canada’s Laurentian University reported a DDoS attack. In early October, a DDoS attack was reported by the PUBG Mobile team.

DDOS 134
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Fake Lawsuit Threat Exposes Privnote Phishing Sites

Krebs on Security

For example, this account at Medium has authored more than a dozen blog posts in the past year singing the praises of Tornote as a secure, self-destructing messaging service. Throughout 2023, Tornote was hosted with the Russian provider DDoS-Guard , at the Internet address 186.2.163[.]216. io seem like a legitimate website.

Phishing 222
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Who’s Hacking You?

Webroot

One of the reasons why there’s so much cybercrime is because there are so many ways for cybercriminals to exploit vulnerabilities and circumvent even the best defenses. In that spirit, we put together this blog post to explain the different hacker types and methods they use against us. DNS (Domain Name System) is especially vulnerable.

Hacking 115
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New Linux/DDosMan threat emerged from an evolution of the older Elknot

Security Affairs

The popular expert unixfreaxjp analyzed a new China ELF DDoS’er malware tracked as “Linux/DDoSMan” that evolves from the Elknot malware to deliver new ELF bot. The code seems inspired from multiple source code of China basis DDoS client, like Elknot. On the MMD blog. Non-Technical-Premise.

DDOS 81
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Necurs Botnet adopts a new strategy to evade detection

Security Affairs

” reads a blog post published by the firm. Necurs is the multitool of botnets, evolving from operating as a spam botnet delivering banking trojans and ransomware to developing a proxy service, as well as cryptomining and DDoS capabilities,” explained Mike Benjamin, head of Black Lotus Labs. ” continues the blog post.

DNS 77
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IT threat evolution Q1 2022

SecureList

The group uses various malware families, including Wroba, and attack methods that include phishing, mining, smishing and DNS poisoning. Subsequently, DDoS attacks hit some government websites. In March, the Lapsus$ cybercrime group claimed that it had obtained “superuser/admin” access to internal systems at Okta.

Phishing 110
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APT trends report Q1 2022

SecureList

Subsequently, DDoS attacks hit several government websites. In July 2021, we reported the previously unknown Tomiris Golang backdoor , deployed against government organizations within a CIS country through DNS hijacking. We exposed similarities between DarkHalo’s SunShuttle backdoor and the Tomiris implant.

Malware 135