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MikroTik botnet relies on DNS misconfiguration to spread malware

Security Affairs

Researchers discovered a 13,000-device MikroTik botnet exploiting DNS flaws to spoof 20,000 domains and deliver malware. Infoblox researchers discovered a botnet of 13,000 MikroTik devices that exploits DNS misconfigurations to bypass email protections, spoof approximately 20,000 domains, and deliver malware.

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Here’s how anyone with $20 can hire an IoT botnet to blast out a week-long DDoS attack

The Last Watchdog

Distributed denial of service (DDoS) attacks continue to erupt all across the Internet showing not the faintest hint of leveling off, much less declining, any time soon. Related video: How DDoS attacks leverage the Internet’s DNA. DDoS attacks are evolving to become more diverse. GitHub’s logo. But that’s not all.

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DDoS attacks in Q2 2021

SecureList

For example, April saw the active distribution of a new DDoS botnet called Simps — the name under which it introduced itself to owners of infected devices. The malware creators promoted their brainchild on a specially set-up YouTube channel and Discord server, where they discussed DDoS attacks. The bug was named TsuNAME.

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Cloudflare mitigated 2 Tbps DDoS attack, the largest attack it has seen to date

Security Affairs

Cloudflare announced to have mitigated a distributed denial-of-service (DDoS) attack that peaked at almost 2 terabytes per second (Tbps). is an American web infrastructure and website security company that provides content delivery network and DDoS mitigation services. SecurityAffairs – hacking, DDoS). Cloudflare, Inc.

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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.

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DDoS attacks in Q4 2021

SecureList

Q4 2021 saw the appearance of several new DDoS botnets. In October, the botnet was upgraded with DDoS functionality. This is further evidence that the same botnets are often used for mining and DDoS. In some cases, DNS amplification was also used. The channel was created in June and went live in August 2021.

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Feds Charge Three in Mass Seizure of Attack-for-hire Services

Krebs on Security

The seizure notice appearing on the homepage this week of more than a dozen popular “booter” or “stresser” DDoS-for-hire Web sites. Booter sites are dangerous because they help lower the barriers to cybercrime, allowing even complete novices to launch sophisticated and crippling attacks with the click of a button.

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