The Malware tag covers malware families, infrastructure analysis, incident impact, disruption efforts, and defensive guidance to reduce cybersecurity risk.
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Background for this topic.
Malware is software intentionally created or modified to perform unauthorized or harmful actions on a computer, device, or network. The term covers distinct families and functions, including viruses, worms, trojans, spyware, botnet clients, and ransomware; a single sample may combine several capabilities. Its behavior—not its label—determines the security concern: it may execute code, persist, alter or encrypt data, steal credentials, or provide unauthorized remote access.
For practitioners, malware reporting is most useful when it identifies the family or tool conservatively and provides evidence such as affected platforms, samples, infrastructure, or observed behavior. Defenses include promptly patching vulnerable software, restricting execution and privileges, monitoring endpoints and networks, maintaining tested backups, and isolating suspected systems for analysis. Detection should use behavior and verified indicators rather than names alone, since variants change. If malware processes personal or regulated data, investigations should also address privacy, evidence preservation, and applicable reporting obligations.
A new info-stealing malware named Infinity Stealer is targeting macOS systems with a Python payload packaged as an executable using the open-source Nuitka compiler. [...]
TeamPCP hackers compromised the Telnyx package on the Python Package Index today, uploading malicious versions that deliver credential-stealing malware hidden inside a WAV file. [...]
A large-scale campaign is targeting developers on GitHub with fake Visual Studio Code (VS Code) security alerts posted in the Discussions section of various projects, to trick users into downloading malware. [...]
An Armenian suspect was extradited to the United States to face criminal charges for allegedly helping manage RedLine, one of the most prolific infostealer malware operations in recent years. [...]
A new info-stealing malware called Torg Grabber is stealing sensitive data from 850 browser extensions, more than 700 of them for cryptocurrency wallets. [...]
The U.S. Federal Bureau of Investigation (FBI) warned network defenders that Iranian hackers linked to the country's Ministry of Intelligence and Security (MOIS) are using Telegram in malware attacks. [...]
An information stealer called VoidStealer uses a new approach to bypass Chrome's Application-Bound Encryption (ABE) and extract the master key for decrypting sensitive data stored in the browser. [...]