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 novel and sophisticated backdoor malware named 'Deadglyph' was seen used in a cyberespionage attack against a government agency in the Middle East. [...]
A previously unknown threat actor dubbed 'Sandman' targets telecommunication service providers in the Middle East, Western Europe, and South Asia, using a modular info-stealing malware named 'LuaDream.' [...]
The P2PInfect botnet worm is going through a period of highly elevated activity volumes starting in late August and then picking up again in September 2023. [...]
The developers of Free Download Manager (FDM) have published a script to check if a Linux device was infected through a recently reported supply chain attack. [...]
A hacker is spreading a fake proof-of-concept (PoC) exploit for a recently fixed WinRAR vulnerability on GitHub, attempting to infect downloaders with the VenomRAT malware. [...]
New malware named HTTPSnoop and PipeSnoop are used in cyberattacks on telecommunication service providers in the Middle East, allowing threat actors to remotely execute commands on infected devices. [...]
The malware loader 'Bumblebee' has broken its two-month vacation with a new campaign that employs new distribution techniques that abuse 4shared WebDAV services. [...]
A Chinese espionage-focused hacker tracked as 'Earth Lusca' was observed targeting government agencies in multiple countries, using a new Linux backdoor dubbed 'SprySOCKS.' [...]