malware

Pierluigi Paganini May 25, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 46

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 […]

Pierluigi Paganini May 25, 2025
Security Affairs newsletter Round 525 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Silent Ransom Group targeting law firms, the FBI warns Leader of Qakbot cybercrime network indicted in U.S. […]

Pierluigi Paganini May 25, 2025
Operation ENDGAME disrupted global ransomware infrastructure

Operation ENDGAME dismantled key ransomware infrastructure, taking down 300 servers, 650 domains, and seizing €21.2M in crypto. From May 19 to 22, 2025, Operation ENDGAME, coordinated by Europol and Eurojust, disrupted global ransomware infrastructure. Law enforcement took down down 300 servers and 650 domains, and issuing 20 international arrest warrants. “A Command Post was set […]

Pierluigi Paganini May 24, 2025
Silent Ransom Group targeting law firms, the FBI warns

FBI warns Silent Ransom Group has targeted U.S. law firms for 2 years using callback phishing and social engineering extortion tactics. The FBI warns that the Silent Ransom Group, active since 2022 and also known as Luna Moth, has targeted U.S. law firms using phishing and social engineering. Linked to BazarCall campaigns, the group previously […]

Pierluigi Paganini May 24, 2025
Leader of Qakbot cybercrime network indicted in U.S. crackdown

The U.S. indicted Russian Rustam Gallyamov for leading the Qakbot botnet, which infected 700K+ devices and was used in ransomware attacks. The U.S. authorities have indicted Russian national Rustam Gallyamov, the leader of the Qakbot operation, which infected over 700,000 computers and facilitated ransomware attacks. Qakbot, also known as QBot, QuackBot and Pinkslipbot, is an […]

Pierluigi Paganini May 22, 2025
Law enforcement dismantled the infrastructure behind Lumma Stealer MaaS

Microsoft found 394,000 Windows systems talking to Lumma stealer controllers, a victim pool that included global manufacturers. A US court order, with Europol and Japan’s JC3 dismantled the Lumma Stealer malware operation, seizing 2,300 domains used for command-and-control and blocking dark web markets offering the infostealer. A US court order, with Europol and Japan’s JC3, […]

Pierluigi Paganini May 22, 2025
Russia-linked APT28 targets western logistics entities and technology firms

CISA warns Russia-linked group APT28 is targeting Western logistics and tech firms aiding Ukraine, posing an elevated threat to supply chains Russia-linked cyberespionage group APT28 intensifies its operations against Western logistics and technology companies moving supplies into Ukraine, US CISA warns. The APT28 group (aka Fancy Bear, Pawn Storm, Sofacy Group, Sednit, BlueDelta, and STRONTIUM) has been active since at least 2007 and it […]

Pierluigi Paganini May 21, 2025
SK Telecom revealed that malware breach began in 2022

South Korean mobile network operator SK Telecom revealed that the security breach disclosed in April began in 2022. SK Telecom is South Korea’s largest wireless telecom company, a major player in the country’s mobile and tech landscape. It holds about 48% of the market share for mobile services, meaning around 34 million subscribers use its […]

Pierluigi Paganini May 20, 2025
China-linked UnsolicitedBooker APT used new backdoor MarsSnake in recent attacks

China-linked UnsolicitedBooker used a new backdoor, MarsSnake, to target an international organization in Saudi Arabia. ESET researchers revealed that a China-linked APT, tracked as UnsolicitedBooker, targeted an international organization in Saudi Arabia using a new backdoor called MarsSnake. The experts uncovered the attacks in March 2023 and again in 2024, noting that the group used […]

Pierluigi Paganini May 20, 2025
UK’s Legal Aid Agency discloses a data breach following April cyber attack

The UK’s Legal Aid Agency suffered a cyberattack in April and has now confirmed that sensitive data was stolen during the incident. The Legal Aid Agency (LAA) revealed that it had suffered a cyberattack on its systems on April 23.  The Legal Aid Agency (LAA), part of the UK Ministry of Justice, ensures access to […]