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Latest coverage for Malware

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.

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Bank Info Security 1 year, 7 months ago

Just Like Windows: Linux Targeted by First-Ever UEFI Bootkit

Linux-Targeting Bootkitty Appears More Proof-of-Concept Than Threat, Researchers SayCybersecurity researchers have discovered the first-ever UEFI bootkit designed to target Linux systems and subvert their boot process for malicious purposes. The "Bootkitty" malware, first uploaded to VirusTotal this month, appears to be more "proof of concept" than full-fledged threat, they said.

Bank Info Security 30 Nov 2024, 7:30 a.m. Linux Malware Microsoft PoC Research
Bank Info Security 1 year, 7 months ago

Just Like Windows: Linux Targeted by First-Ever Bootkit

Linux-Targeting Bootkitty Appears More Proof-of-Concept Than Threat, Researcher SayCybersecurity researchers have discovered the first-ever bootkit designed to target Linux systems and subvert their boot process for malicious purposes. The "Bootkitty" malware, first uploaded to VirusTotal this month, appears to be more "proof of concept" than full-fledged threat, they said.

Bank Info Security 29 Nov 2024, 7:30 a.m. Linux Malware Microsoft PoC Research
Bank Info Security 1 year, 7 months ago

Mysterious Elephant Using Hajj-Themed Bait in Attacks

Group Deploys Upgraded Malware Disguised as Microsoft File on Pilgrimage GoersA South Asian threat actor identified as Mysterious Elephant or APT-K-47 by Knownsec 404 researchers is using a Hajj-themed lure to trick victims into malicious payload disguised as a Windows file. The hacker is using upgraded Asyncshell malware disguised as a Microsoft Compiled HTML Help file.

Bank Info Security 26 Nov 2024, 12:30 p.m. Advanced Persistent Threat Malicious Payload Malware Microsoft Research Threat Actor Victims