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.
Upgraded threat, time to patch The Zerobot botnet, first detected earlier this month, is expanding the types of Internet of Things (IoT) devices it can compromise by going after Apache systems.…
No horse heads in beds...that we know of Crooks are using an Android banking Trojan dubbed Godfather to steal from banking and cryptocurrency exchange app users in 16 countries, according to Group-IB security researchers…
Security firm tagged with malware misrepresentation Threat researchers have found a rapidly updated malicious Python package on PyPI masquerading as a legitimate software-development kit (SDK) from cybersecurity firm SentinelOne, but actually contains malware designed to exfiltrate data from infected systems.…
Criminals have noticed that spreadsheet's XLL files add custom functionality - including malware It took a few years and one temporary halt, but in July Microsoft finally began blocking certain macros by default in Word, Excel, and PowerPoint, cutting off a popular attack vector for those who target users of Microsoft's Windows OS and Office suite.…
Insert your Trojan joke here Security researchers at Microsoft have discovered a bug in macOS that lets malicious apps bypass Apple's Gatekeeper security software "for initial access by malware and other threats." …