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  • SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 46

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 46

Pierluigi Paganini May 25, 2025

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape

Sarcoma Ransomware Unveiled: Anatomy of a Double Extortion Gang

RVTools Bumblebee Malware Attack – How a Trusted IT Tool Became a Malware Delivery Vector  

Malicious ‘Checker’ Packages on PyPI Probe TikTok and Instagram for Valid Accounts

RedisRaider: Weaponizing misconfigured Redis to mine cryptocurrency at scale 

Hidden Threats of Dual-Function Malware Found in Chrome Extensions       

Chinese Hackers Deploy MarsSnake Backdoor in Multi-Year Attack on Saudi Organization

Threat Actors Deploy LummaC2 Malware to Exfiltrate Sensitive Data from Organizations 

Pure Harm: PureRAT Attacks Russian Organizations  

Lumma Stealer: Breaking down the delivery techniques and capabilities of a prolific infostealer

A Brief History of DanaBot, Longtime Ecrime Juggernaut Disrupted by Operation Endgame    

Bumblebee malware distributed via Zenmap, WinMRT SEO poisoning  

60 Malicious npm Packages Leak Network and Host Data in Active Malware Campaign 

Following the spiders: Investigating Lactrodectus malware 

TikTok Videos Promise Pirated Apps, Deliver Vidar and StealC Infostealers Instead

Russian GRU Targeting Western Logistics Entities and Technology Companies

A familiar playbook with a twist: 3AM ransomware actors dropped virtual machine with vishing and Quick Assist 

From banks to battalions: SideWinder’s attacks on South Asia’s public sector

UAT-6382 exploits Cityworks zero-day vulnerability to deliver malware

Consistent and Compatible Modelling of Cyber Intrusions and Incident Response Demonstrated in the Context of Malware Attacks on Critical Infrastructure

Malware families discovery via Open-Set Recognition on Android manifest permissions

Follow me on Twitter: @securityaffairs and Facebook and Mastodon

Pierluigi Paganini

(SecurityAffairs – hacking, newsletter)


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    recent articles

    PyPI maintainers alert users to email verification phishing attack

    Hacking / July 30, 2025

    FBI seizes 20 BTC from Chaos Ransomware affiliate targeting Texas firms

    Cyber Crime / July 30, 2025

    Critical SAP flaw exploited to launch Auto-Color Malware attack on U.S. company

    Malware / July 30, 2025

    Orange reports major cyberattack, warns of service disruptions

    Security / July 29, 2025

    Hackers leak images and comments from women dating safety app Tea

    Data Breach / July 29, 2025

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