Malware

Pierluigi Paganini February 18, 2025
China-linked APT group Winnti targets Japanese organizations since March 2024

China-linked threat actor Winnti targeted Japanese companies in the manufacturing, materials, and energy sectors in March 2024 as part of a campaign dubbed RevivalStone. Researchers from cybersecurity firm LAC uncovered a new cyberespionage campaign, tracked as RevivalStone, carried out by the China-linked APT group Winnti in March 2024. Threat actors targeted Japanese companies in the manufacturing, […]

Pierluigi Paganini February 18, 2025
New XCSSET macOS malware variant used in limited attacks

Microsoft discovered a new variant of the Apple macOS malware XCSSET that was employed in limited attacks in the wild. Microsoft Threat Intelligence discovered a new variant of the macOS malware XCSSET in attacks in the wild. XCSSET is a sophisticated modular macOS malware that targets users by infecting Xcode projects, it has been active since at […]

Pierluigi Paganini February 17, 2025
New Golang-based backdoor relies on Telegram for C2 communication

Netskope Threat Labs researchers discovered a Golang-based backdoor using Telegram for C2 communication, possibly of Russian origin. Netskope Threat Labs found a Golang-based backdoor using Telegram for C2. The malware, still in development but functional, exploits cloud apps to evade detection. The experts believe the new Go backdoor could have a Russian origin. Upon executing […]

Pierluigi Paganini February 16, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 33

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Mobile Indian Cyber Heist: FatBoyPanel And His Massive Data Breach Google Tag Manager Skimmer Steals Credit Card Info From Magento Site  From South America to Southeast Asia: The Fragile Web of REF7707  Analyzing DEEP#DRIVE: North Korean […]

Pierluigi Paganini February 14, 2025
Valve removed the game PirateFi from the Steam video game platform because contained a malware

Valve removed a game from Steam because it contained malware, the company also warned affected users to reformat their operating systems. Valve removed the game PirateFi from the Steam video game platform because it contained a Windows malicious code to steal browser cookies and hijack accounts. The company also warned affected users to fully reformatting […]

Pierluigi Paganini February 13, 2025
China-linked APTs’ tool employed in RA World Ransomware attack

A November 2024 RA World ransomware attack on an Asian software firm used a tool linked to China-linked threat actors. Broadcom researchers reported that threat actors behind an RA World ransomware attack against an Asian software and services firm employed a tool that was explosively associated in the past with China-linked APT groups. “Tools that […]

Pierluigi Paganini February 13, 2025
Sarcoma ransomware gang claims the theft of sensitive data from PCB maker Unimicron

The Sarcoma ransomware group announced a breach of the Taiwanese printed circuit board (PCB) manufacturing giant Unimicron. The Sarcoma ransomware group claims to have breached Taiwanese PCB manufacturer Unimicron, leaked sample files, and threatened a full data release if no ransom is paid by Tuesday, February 20, 2025. Unimicron Technology Corporation is a Taiwanese company […]

Pierluigi Paganini February 12, 2025
North Korea-linked APT Emerald Sleet is using a new tactic

Microsoft Threat Intelligence has observed North Korea-linked APT Emerald Sleet using a new tactic, tricking targets into running PowerShell. Microsoft Threat Intelligence researchers spotted North Korea-linked threat actor Emerald Sleet (also known as Kimsuky and VELVET CHOLLIMA) using a new tactic. They are tricking targets into running PowerShell as an administrator and executing code provided […]

Pierluigi Paganini February 11, 2025
Crooks use Google Tag Manager skimmer to steal credit card data from a Magento-based e-stores

Sucuri researchers observed threat actors leveraging Google Tag Manager (GTM) to install e-skimmer software on Magento-based e-stores. Sucuri researchers found threat actors using Google Tag Manager (GTM) to deploy e-skimmer malware on a Magento eCommerce site. Google Tag Manager (GTM) is a free tool that lets website owners manage marketing tags without modifying site code, […]

Pierluigi Paganini February 11, 2025
Operation Phobos Aetor: Police dismantled 8Base ransomware gang

Authorities dismantled the 8Base ransomware gang, shutting down its dark web data leak and negotiation sites. An international law enforcement operation, codenamed Operation Phobos Aetor, dismantled the 8Base ransomware gang. The police took down the dark web data leak and negotiation sites. The police has yet to disclose the names of the suspects. Authorities replaced […]