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Researchers Warn of Raspberry Robin's Worm Targeting Windows Users

Researchers Warn of Raspberry Robin's Worm Targeting Windows Users

Jul 08, 2022
Cybersecurity researchers are drawing attention to an ongoing wave of attacks linked to a threat cluster tracked as Raspberry Robin that's behind a Windows malware with worm-like capabilities.  Describing it as a "persistent" and "spreading" threat, Cybereason  said  it observed a number of victims in Europe. The infections involve a worm that propagates over removable USB devices containing malicious a .LNK file and leverages compromised QNAP network-attached storage (NAS) devices for command-and-control. It was  first documented  by researchers from Red Canary in May 2022. Also codenamed  QNAP worm  by Sekoia, the malware leverages a legitimate Windows installer binary called "msiexec.exe" to download and execute a malicious shared library (DLL) from a compromised QNAP NAS appliance. "To make it harder to detect, Raspberry Robin leverages process injections in three legitimate Windows system processes," Cybereason researcher Loïc Cast
Abcbot — A New Evolving Wormable Botnet Malware Targeting Linux

Abcbot — A New Evolving Wormable Botnet Malware Targeting Linux

Nov 12, 2021
Researchers from Qihoo 360's Netlab security team have released details of a new evolving botnet called " Abcbot " that has been observed in the wild with worm-like propagation features to infect Linux systems and launch distributed denial-of-service (DDoS) attacks against targets. While the earliest version of the botnet dates back to July 2021, new variants observed as recently as October 30 have been equipped with additional updates to strike Linux web servers with weak passwords and are susceptible to N-day vulnerabilities, including a custom implementation of DDoS functionality, indicating that the malware is under continuous development. Netlab's findings also build on a report from Trend Micro early last month, which  publicized  attacks targeting Huawei Cloud with cryptocurrency-mining and cryptojacking malware. The intrusions were also notable for the fact that the malicious shell scripts specifically disabled a process designed to monitor and scan the ser
Beware — A New Wormable Android Malware Spreading Through WhatsApp

Beware — A New Wormable Android Malware Spreading Through WhatsApp

Jan 25, 2021
A newly discovered Android malware has been found to propagate itself through WhatsApp messages to other contacts in order to expand what appears to be an adware campaign. "This malware spreads via victim's WhatsApp by automatically replying to any received WhatsApp message notification with a link to [a] malicious Huawei Mobile app," ESET researcher Lukas Stefanko said. The link to the fake Huawei Mobile app, upon clicking, redirects users to a lookalike Google Play Store website. Once installed, the wormable app prompts victims to grant it notification access, which is then abused to carry out the wormable attack. Specifically, it leverages WhatApp's quick reply feature — which is used to respond to incoming messages directly from the notifications — to send out a reply to a received message automatically. Besides requesting permissions to read notifications, the app also requests intrusive access to run in the background as well as to draw over other apps,
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