Category: Security Affairs

Russia-linked Gamaredon targets Ukraine with Remcos RAT

Russia-linked Gamaredon targets Ukraine with a phishing campaign using troop-related lures to deploy the Remcos RAT via PowerShell downloader. Talos researchers warn that Russia-linked APT group Gamaredon (a.k.a. Armageddon, Primitive Bear, ACTINIUM, Callisto) targets Ukraine with a phishing campaign. The cyberespionage…

Morphing Meerkat phishing kits exploit DNS MX records

Morphing Meerkat phishing kits exploit DNS MX records to deliver spoofed login pages, targeting over 100 brands. Infoblox researchers discovered a new phishing-as-a-service (PhaaS) platform that generated multiple phishing kits, called Morphing Meerkat, using DNS mail exchange (MX) records to…

CISA warns of RESURGE malware exploiting Ivanti flaw

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warns of RESURGE malware, targeting a vulnerability in Ivanti Connect Secure (ICS) appliances. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) published a Malware Analysis Report (MAR) on a new malware called RESURGE.…

Sam’s Club Investigates Alleged Cl0p Ransomware Breach

The Walmart-owned membership warehouse club chain Sam’s Club is investigating claims of a Cl0p ransomware security breach. Sam’s Club is a membership warehouse club chain in the United States, owned by Walmart. Founded in 1983 by Sam Walton, Walmart’s founder, as Sam’s…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 39

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Microsoft Trusted Signing service abused to code-sign malware Shedding light on the ABYSSWORKER driver  VSCode Marketplace Removes Two Extensions Deploying Early-Stage…

Experts warn of the new sophisticate Crocodilus mobile banking Trojan

The new Android trojan Crocodilus exploits accessibility features to steal banking and crypto credentials, mainly targeting users in Spain and Turkey. ThreatFabric researchers discovered a new Android trojan called Crocodilus, which exploits accessibility features to steal banking and crypto credentials.…

Crooks are reviving the Grandoreiro banking trojan

Grandoreiro Banking Trojan resurfaces, targeting users in Latin America and Europe in new phishing campaigns. Forcepoint X-Labs researchers warn of new phishing campaigns targeting Latin America and Europe in new phishing campaigns. The Trojan has been active since 2016, it…

Mozilla fixed critical Firefox vulnerability CVE-2025-2857

Mozilla addressed a critical vulnerability, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Mozilla has released security updates to address a critical flaw, tracked as CVE-2025-2857, impacting its Firefox browser for Windows. Recently, Google addressed a similar vulnerability, tracked…

New ReaderUpdate malware variants target macOS users

New ReaderUpdate malware variants, now written in Crystal, Nim, Rust, and Go, targets macOS users, SentinelOne warns. SentinelOne researchers warn that multiple versions of the ReaderUpdate malware written in Crystal, Nim, Rust, and Go programming languages, are targeting macOS users.…

BlackLock Ransomware Targeted by Cybersecurity Firm

Resecurity found an LFI flaw in the leak site of BlackLock ransomware, exposing clearnet IPs and server details. Resecurity has identified a Local File Include (LFI) vulnerability in Data Leak Site (DLS) of BlackLock Ransomware.  Cybersecurity experts were able to…

Authentication bypass CVE-2025-22230 impacts VMware Windows Tools

Broadcom addressed a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230, in VMware Tools for Windows. Broadcom released security updates to address a high-severity authentication bypass vulnerability, tracked as CVE-2025-22230 (CVSS score 9.8), impacting VMware Tools for Windows. VMware Tools for…

Android malware campaigns use .NET MAUI to evade detection

Researchers warn of a new Android malware that uses .NET MAUI to mimic legit services and evade detection. McAfee researchers warn of Android malware campaigns using .NET MAUI to evade detection. These threats disguise themselves as legitimate services to steal…