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.
Mexican financial institutions are under the radar of a new spear-phishing campaign that delivers a modified version of an open-source remote access trojan called AllaKore RAT
40-year-old Russian national Vladimir Dunaev has been sentenced to five years and four months in prison for his role in creating and distributing the TrickBot malware, the U.S. Department of Justice (DoJ) said
Cybersecurity researchers have shed light on the command-and-control (C2) server of a known malware family called SystemBC
Cybersecurity researchers have uncovered an updated version of a backdoor called LODEINFO that's distributed via spear-phishing attacks
A new Go-based malware loader called CherryLoader has been discovered by threat hunters in the wild to deliver additional payloads onto compromised hosts for follow-on exploitation
The threat actors behind ClearFake, SocGholish, and dozens of other actors have established partnerships with another entity known as VexTrio as part of a massive "criminal affiliate program," new findings from Infoblox reveal
Cracked software have been observed infecting Apple macOS users with a previously undocumented stealer malware capable of harvesting system information and cryptocurrency wallet data
Cybersecurity researchers have discovered a new Java-based "sophisticated" information stealer that uses a Discord bot to exfiltrate sensitive data from compromised hosts