Mar 02, 2023Ravie LakshmananLinux / Cyber Threat The threat actor known as Lucky Mouse has developed a Linux version of a malware toolkit called SysUpdate, expanding on its ability to target devices running the operating system. The oldest version of the updated artifact dates back to July 2022, with the malware incorporating new features designed to evade security software … [Read more...] about SysUpdate Malware Strikes Again with Linux Version and New Evasion Tactics
Linux
New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
Feb 17, 2023Ravie LakshmananIoT Security / Cyber Attack A new variant of the notorious Mirai botnet has been found leveraging several security vulnerabilities to propagate itself to Linux and IoT devices. Observed during the second half of 2022, the new version has been dubbed V3G4 by Palo Alto Networks Unit 42, which identified three different campaigns likely conducted by … [Read more...] about New Mirai Botnet Variant ‘V3G4’ Exploiting 13 Flaws to Target Linux and IoT Devices
New shc-based Linux Malware Targeting Systems with Cryptocurrency Miner
Jan 04, 2023Ravie LakshmananLinux / Cryptocurrency A new Linux malware developed using the shell script compiler (shc) has been observed deploying a cryptocurrency miner on compromised systems. "It is presumed that after successful authentication through a dictionary attack on inadequately managed Linux SSH servers, various malware were installed on the target system," AhnLab … [Read more...] about New shc-based Linux Malware Targeting Systems with Cryptocurrency Miner
New Linux Malware Exploiting Over Two Dozen CMS Flaws
Jan 02, 2023Ravie LakshmananWeb Security / Linux WordPress sites are being targeted by a previously unknown strain of Linux malware that exploits flaws in over two dozen plugins and themes to compromise vulnerable systems. "If sites use outdated versions of such add-ons, lacking crucial fixes, the targeted web pages are injected with malicious JavaScripts," Russian security … [Read more...] about New Linux Malware Exploiting Over Two Dozen CMS Flaws
New Chinese Malware Attack Framework Targets Windows, macOS, and Linux Systems
A previously undocumented command-and-control (C2) framework dubbed Alchimist is likely being used in the wild to target Windows, macOS, and Linux systems. "Alchimist C2 has a web interface written in Simplified Chinese and can generate a configured payload, establish remote sessions, deploy payload to the remote machines, capture screenshots, perform remote shellcode … [Read more...] about New Chinese Malware Attack Framework Targets Windows, macOS, and Linux Systems
Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems
A new, multi-functional Go-based malware dubbed Chaos has been rapidly growing in volume in recent months to ensnare a wide range of Windows, Linux, small office/home office (SOHO) routers, and enterprise servers into its botnet. "Chaos functionality includes the ability to enumerate the host environment, run remote shell commands, load additional modules, automatically … [Read more...] about Researchers Warn of New Go-based Malware Targeting Windows and Linux Systems
Chinese Hackers Backdoored MiMi Chat App to Target Windows, Linux, macOS Users
A pair of reports from cybersecurity firms SEKOIA and Trend Micro sheds light on a new campaign undertaken by a Chinese threat actor named Lucky Mouse that involves leveraging a trojanized version of a cross-platform messaging app to backdoor systems. Infection chains leverage a chat application called MiMi, with its installer files compromised to download and install HyperBro … [Read more...] about Chinese Hackers Backdoored MiMi Chat App to Target Windows, Linux, macOS Users
New IoT RapperBot Malware Targeting Linux Servers via SSH Brute-Forcing Attack
A new IoT botnet malware dubbed RapperBot has been observed rapidly evolving its capabilities since it was first discovered in mid-June 2022. "This family borrows heavily from the original Mirai source code, but what separates it from other IoT malware families is its built-in capability to brute force credentials and gain access to SSH servers instead of Telnet as implemented … [Read more...] about New IoT RapperBot Malware Targeting Linux Servers via SSH Brute-Forcing Attack
New Linux Malware Framework Lets Attackers Install Rootkit on Targeted Systems
A never-before-seen Linux malware has been dubbed a "Swiss Army Knife" for its modular architecture and its capability to install rootkits. This previously undetected Linux threat, called Lightning Framework by Intezer, is equipped with a plethora of features, making it one of the most intricate frameworks developed for targeting Linux systems. "The framework has both passive … [Read more...] about New Linux Malware Framework Lets Attackers Install Rootkit on Targeted Systems
New Rust-based Ransomware Family Targets Windows, Linux, and ESXi Systems — The Hacker News
Kaspersky security researchers have disclosed details of a brand-new ransomware family written in Rust, making it the third strain after BlackCat and Hive to use the programming language. Luna, as it's called, is "fairly simple" and can run on Windows, Linux, and ESXi systems, with the malware banking on a combination of Curve25519 and AES for encryption. "Both the Linux and … [Read more...] about New Rust-based Ransomware Family Targets Windows, Linux, and ESXi Systems — The Hacker News