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 new Android malware named 'Goldoson' has infiltrated the platform's official app store, Google Play, through 60 apps that collectively have 100 million downloads. [...]
Microsoft is warning of a phishing campaign targeting accounting firms and tax preparers with remote access malware allowing initial access to corporate networks. [...]
RapperBot's initial infection tactic is one example of the different methods attackers are using to distribute malware.
A novel credential harvester compromises SMTP services to steal data from a range of hosted services and providers, and can also launch SMS-based spam attacks against devices using US mobile carriers.
Popular instant messaging app WhatsApp on Thursday announced a new account verification feature that ensures that malware running on a user's mobile device doesn't impact their account
WhatsApp announced today the introduction of several new security features, one of them dubbed "Device Verification" and designed to provide better protection against account takeover (ATO) attacks. [...]
The Transparent Tribe threat actor has been linked to a set of weaponized Microsoft Office documents in attacks targeting the Indian education sector using a continuously maintained piece of malware called Crimson RAT
Hackers can compromise public charging hubs to steal data, install malware on phones, and more, threatening individuals and businesses alike.
A Kyocera Android printing app is vulnerable to improper intent handling, allowing other malicious applications to abuse the flaw to download and potentially install malware on devices. [...]
The malicious software tool is now second on the list, one spot up from February's report
Pegasus, pssh, you so 2000-and-late Malware reportedly developed by a little-known Israeli commercial spyware maker has been found on devices of journalists, politicians, and an NGO worker in multiple countries, say researchers. …
Hackers are compromising websites to inject scripts that display fake Google Chrome automatic update errors that distribute malware to unaware visitors. [...]
Malware-as-a-service hackers from Spain decided to use a public code repository to openly advertise their wares.
Malware developers have created a thriving market promising to add malicious Android apps to Google Play for $2,000 to $20,000, depending on the type of malicious behavior cyber criminals request. [...]
Malicious loader programs capable of trojanizing Android applications are being traded on the criminal underground for up to $20,000 as a way to evade Google Play Store defenses
Cybersecurity researchers have detailed the inner workings of the cryptocurrency stealer malware that was distributed via 13 malicious NuGet packages as part of a supply chain attack targeting .NET developers
Or whatever you managed to haggle with these miscreants If you want to sneak malware onto people's Android devices via the official Google Play store, it may cost you about $20,000 to do so, Kaspersky suggests.…
Let's play a game of legal and technical whack-a-mole Microsoft and Fortra are taking legal and technical actions to thwart cyber-criminals from using the latter company's Cobalt Strike software to distribute malware.…
Over one million WordPress websites are estimated to have been infected by an ongoing campaign to deploy malware called Balada Injector since 2017