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Complex 'NKAbuse' Malware Uses Blockchain to Hide on Linux, IoT Machines

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Threat actors are using blockchain technology to hide the presence of malware on Linux IoT devices. The Nkabuse malware uses a new method of hiding itself from detection: it stores its code in the Bitcoin blockchain. Every time an infected device communicates with the Bitcoin network, it sends a portion of its code with each transaction. This method allows Nkabuse to stay hidden even if it is discovered by a security researcher or neutralized by a patch.

Accessing IoT Devices Securely: A Guide to Raspberry Pi Remote Access

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In the rapidly evolving world of managing Internet of Things (IoT) devices, ensuring secure remote access to ssh iot devices behind firewalls and NAT routers is of utmost importance. This article explores remote IoT device management, focusing on the secure ways to access Raspberry Pi web devices remotely. We will delve into two key methods - SSH (Secure Shell) and web-based access, highlighting the benefits they offer in overcoming firewall and network address translation challenges.

New Cryptocurrency Mining Campaign Targets Linux Systems and IoT Devices

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Internet-facing Linux systems and Internet of Things (IoT) devices are being targeted as part of a new campaign designed to illicitly mine cryptocurrency. "The threat actors behind the attack use a backdoor that deploys a wide array of tools and components such as rootkits and an IRC bot to steal device resources for mining operations," Microsoft threat intelligence researcher Rotem Sde-Or said.

Establishing a Root of Trust in Embedded Linux and IoT

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With IoT, 5G and embedded devices becoming a larger part of everyone’s daily lives, security—and more importantly, trust in our technology—is on everyone’s minds. Embedded devices don’t have a good security track record; the last several years saw a significant number of high-profile hacks that could prevent people from widely accepting IoT into their homes. 

BusyBox flaws highlight need for consistent IoT updates

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Security researchers have found and reported 14 vulnerabilities in the BusyBox userspace tool that's used in millions of embedded devices running Linux-based firmware. While the flaws don't have high criticality, some of them do have the potential to result in remote code execution (RCE). These flaws highlight the need for consistent IoT updates.

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