Malware

Pierluigi Paganini April 02, 2025
New advanced FIN7’s Anubis backdoor allows to gain full system control on Windows

FIN7 cybercrime group has been linked to Anubis, a Python-based backdoor that provides remote access to compromised Windows systems. The threat actor FIN7, also known as Savage Ladybug, has developed a new Python-based malware, named Anubis Backdoor, which allows attackers to gain full remote control over infected Windows systems. It executes shell commands and system […]

Pierluigi Paganini April 01, 2025
Hiding WordPress malware in the mu-plugins directory to avoid detection

Sucuri researchers spotted threat actors deploying WordPress malware in the mu-plugins directory to evade security checks. In February, Sucuri warned of threat actors exploiting WordPress mu-plugins, which auto-load without activation, to maintain persistence and evade detection by hiding backdoors in the plugin directory. “Unlike regular plugins, must-use plugins are automatically loaded on every page load, […]

Pierluigi Paganini March 31, 2025
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 group is behind a long series of spear-phishing attacks targeting Ukrainian entities, and organizations related […]

Pierluigi Paganini March 31, 2025
CoffeeLoader uses a GPU-based packer to evade detection

CoffeeLoader is a sophisticated malware that uses numerous techniques to bypass security solutions, Zscaler ThreatLabz warns. Zscaler ThreatLabz discovered CoffeeLoader, a malware family active since September 2024, that uses multiple techniques to evade endpoint security while downloading second-stage payloads. The advanced techniques used by the malware include GPU-based packing, call stack spoofing, sleep obfuscation, and […]

Pierluigi Paganini March 30, 2025
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. The malicious code has been used in attacks targeting the flaw CVE-2025-0282 in Ivanti Connect […]

Pierluigi Paganini March 30, 2025
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 Ransomware New Android Malware Campaigns Evading Detection Using Cross-Platform Framework .NET MAUI   Raspberry Robin: Copy […]

Pierluigi Paganini March 30, 2025
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 Wholesale Club, it was renamed Sam’s Club in 1990. These stores operate on a bulk […]

Pierluigi Paganini March 29, 2025
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. “Crocodilus enters the scene not as a simple clone, but as a fully-fledged threat from […]

Pierluigi Paganini March 28, 2025
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 initially targeted Brazil but expanded to Mexico, Portugal, and Spain since 2020. Grandoreiro is a modular […]

Pierluigi Paganini March 28, 2025
Russian authorities arrest three suspects behind Mamont Android banking trojan

Russian authorities arrested three suspects for developing Mamont, a newly identified Android banking trojan. Russian authorities arrested three suspects in Saratov for developing Mamont (Russian for mammoth), a recently discovered Android banking trojan. “Three Saratov residents are suspected of fraud and unauthorized access to computer information. Officers from the fraud prevention department of PJSC Sberbank […]