Malware

Pierluigi Paganini November 10, 2025
Nine NuGet packages disrupt DBs and industrial systems with time-delayed payloads

Nine NuGet packages by “shanhai666” can deploy delayed payloads to disrupt databases and industrial systems. Socket’s Threat Research Team discovered nine malicious NuGet packages, published between 2023 and 2024 by “shanhai666,” that can deploy time-delayed payloads to disrupt databases and industrial control systems. Scheduled to trigger in August 2027 and November 2028, the packages were […]

Pierluigi Paganini November 09, 2025
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 70

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter SesameOp: Novel backdoor uses OpenAI Assistants API for command and control   Weaponized Military Documents Deliver Advanced SSH-Tor Backdoor to Defense Sector   Gootloader Returns: What Goodies Did They Bring?  Ransomvibing appears in VS Code extensions  […]

Pierluigi Paganini November 08, 2025
China-linked hackers target U.S. non-profit in long-term espionage campaign

A China-linked group targeted a U.S. non-profit to gain long-term access, part of wider attacks on U.S. entities tied to policy matters. China-linked hackers breached a U.S. policy-focused nonprofit in April 2025, maintaining weeks of access. They used DLL sideloading via vetysafe.exe, a tactic used by other Chinese APT groups like Space Pirates, Kelp, and […]

Pierluigi Paganini November 07, 2025
LANDFALL spyware exploited Samsung zero-day CVE-2025-21042 in Middle East attacks

A now-patched Samsung Galaxy flaw, tracked as CVE-2025-21042, was exploited as a zero-day to deploy LANDFALL spyware in targeted attacks in Middle East. Samsung patched a flaw exploited as a zero-day, tracked as CVE-2025-21042 (CVSS score of 8.8), to deploy LANDFALL spyware on Galaxy devices in Middle East attacks. “Unit 42 researchers have uncovered a […]

Pierluigi Paganini November 07, 2025
Russia-linked APT InedibleOchotense impersonates ESET to deploy backdoor on Ukrainian systems

Russia-linked group InedibleOchotense used fake ESET installers in phishing attacks on Ukrainian targets in May 2025. Russia-linked group InedibleOchotense used trojanized ESET installers in phishing attacks against Ukrainian entities detected in May 2025. The campaign used emails and Signal messages to deliver trojanized ESET installers that installed both legitimate software and the Kalambur backdoor. “Another […]

Pierluigi Paganini November 06, 2025
Clop Ransomware group claims the breach of The Washington Post

The Clop Ransomware group claims the breach of The Washington Post and added the American daily newspaper to its Tor data leak site. The Clop Ransomware group announced the hack of the prestigious American daily newspaper The Washington Post. The cybercrime group created a page for the university on its Tor data leak site and announced it will […]

Pierluigi Paganini November 06, 2025
Google sounds alarm on self-modifying AI malware

Google warns malware now uses AI to mutate, adapt, and collect data during execution, boosting evasion and persistence. Google’s Threat Intelligence Group (GTIG) warn of a new generation of malware that is using AI during execution to mutate, adapt, and collect data in real time, helping it evade detection more effectively. Cybercriminals increasingly use AI […]

Pierluigi Paganini November 06, 2025
Alleged Russia-linked Curly COMrades exploit Windows Hyper-V to evade EDRs

Curly COMrades threat actors exploit Windows Hyper-V to hide Linux VMs, evade EDR tools, and deploy custom malware undetected. Bitdefender researchers, aided by Georgia’s CERT, uncovered that Curly COMrades, a group linked to Russian interests, abused Windows Hyper-V to gain covert, long-term access to victims. Threat actors created hidden Alpine Linux VMs (120MB/256MB) hosting custom […]

Pierluigi Paganini November 04, 2025
SesameOp: New backdoor exploits OpenAI API for covert C2

Microsoft found a new backdoor, SesameOp, using the OpenAI Assistants API for stealthy command-and-control in hacked systems. Microsoft uncovered a new backdoor, named SesameOp, that abuses the OpenAI Assistants API for command-and-control, allowing covert communication within compromised systems. Microsoft Incident Response – Detection and Response Team (DART) researchers discovered the backdoor in July 2025 while […]

Pierluigi Paganini November 04, 2025
Crooks exploit RMM software to hijack trucking firms and steal cargo

Hackers target trucking firms with RMM tools to steal freight, teaming with organized crime to loot goods, mainly food and beverages. Cybercriminals are targeting trucking and logistics firms with RMM tools (remote monitoring and management software) to steal freight. Active since June 2025, the group works with organized crime to loot goods, mainly food and […]