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.
And it may have a VPNFilter link, too Tens of thousands of Viasat satellite broadband modems that were disabled in a cyber-attack late last month were wiped by malware with links to the Russian government's destructive VPNFilter, according to SentinelOne.…
Miscreants deployed cryptominers, backdoors since late December, Sophos says VMware's Horizon virtualization platform has become an ongoing target of attackers exploiting the high-profile Log4j flaw to install backdoors and cryptomining malware.…
Symantec team warns ransomware and spying could be next Internet fiends are using a relatively new piece of a malicious code dubbed Verblecon to install cryptominers on infected computers. …
Windows backdoor shows off some interesting techniques Cyber-criminals are using compromised Microsoft Exchange servers to spam out emails designed to infect people's PCs with IcedID,…
Mustang Panda deploys variant of Korplug malware to target European officials and ISPs A China-based threat group is likely running a month-long campaign using a variant of the Korplug malware and targeting European diplomats, internet service providers (ISPs) and research institutions via phishing lures that refer to Russia's invasion of Ukraine and COVID-19 travel restrictions.…
Plus: Ransomware gangster sentenced, Dell patches more Log4j bugs, and cartoon apes gone bad In Brief Triton malware remains a threat to the global energy sector, according to an FBI warning.…