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Overview of IoT threats in 2023

SecureList

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. Dark web services: DDoS attacks, botnets, and zero-day IoT vulnerabilities Of all IoT-related services offered on the dark web, DDoS attacks are worth examining first. Our advantages: 1.

IoT 101
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New Mirai botnet targets tens of flaws in popular IoT devices

Security Affairs

The attack chain commences with the exploitation of one of the above issues, then the threat actor tries to download a shell script downloader from a remote server. Upon executing the script, it would download and execute the proper bot clients for the specific Linux architectures: hxxp://185.225.74[.]251/armv4l

IoT 88
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Uncommon infection methods—part 2

SecureList

Recently we explored the topic of infection methods, including malvertising and malicious downloads. RapperBot: “intelligent brute forcing” RapperBot, based on Mirai (but with a different C2 command protocol), is a worm infecting IoT devices with the ultimate goal to launch DDoS attacks against non-HTTP targets.

Malware 112
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Chalubo, a new IoT botnet emerges in the threat landscape

Security Affairs

Security experts from Sophos Labs have spotted a new piece of IoT malware tracked as Chalubo that is attempting to recruit devices into a botnet used to launch DDoS attacks. “The attackers encrypt both the main bot component and its corresponding Lua script using the ChaCha stream cipher.”

IoT 80
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New ZHtrap botnet uses honeypot to find more victims

Security Affairs

ZHtrap propagates using four vulnerabilities, experts pointed out that the botnet mainly used to conduct DDoS attacks and scanning activities, while integrating some backdoor features. ZHtrap supports multiple architectures, including x86, ARM, and MIPS.

DDOS 83
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The 2022 ThreatLabz State of Ransomware Report

Security Boulevard

Double-extortion attacks, which include data exfiltration in addition to encryption, are rising even faster at 117% year-over-year. Multiple-extortion attacks that utilize data theft, distributed denial of service (DDoS) attacks, customer communications, and more as layered extortion tactics to increase ransom payouts.

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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. Non-Technical-Premise. But let’s go to the finding.

DDOS 85