malware
Russian hackers evolve malware pushed in “I am not a robot” captchas
The Russian state-backed Star Blizzard hacker group has ramped up operations with new, constantly evolving malware families (NoRobot, MaybeRobot) deployed in complex delivery chains that start with ClickFix social engineering attacks. Also known as ColdRiver, UNC4057, and Callisto, the Star Blizzard threat group abandoned the LostKeys malware less than a week after researchers published their analysis and leveraged the […]
New MatrixPDF toolkit turns PDFs into phishing and malware lures
A new phishing and malware distribution toolkit called MatrixPDF allows attackers to convert ordinary PDF files into interactive lures that bypass email security and redirect victims to credential theft or malware downloads. The new tool was spotted by Varonis researchers, who told GeekFeed that MatrixPDF was first spotted on a cybercrime forum. The seller also […]
Fake Microsoft Teams installers push Oyster malware via malvertising
Hackers have been spotted using SEO poisoning and search engine advertisements to promote fake Microsoft Teams installers that infect Windows devices with the Oyster backdoor, providing initial access to corporate networks. The Oyster malware, also known as Broomstick and CleanUpLoader, is a backdoor that first appeared in mid-2023 and has since been linked to multiple campaigns. […]
Microsoft warns of new XCSSET macOS malware variant targeting Xcode devs
Microsoft Threat Intelligence reports that a new variant of the XCSSET macOS malware has been detected in limited attacks, incorporating several new features, including enhanced browser targeting, clipboard hijacking, and improved persistence mechanisms. XCSSET is a modular macOS malware that acts as an infostealer and cryptocurrency stealer, stealing Notes, cryptocurrency wallets, and browser data from […]
SonicWall releases SMA100 firmware update to wipe rootkit malware
SonicWall has released a firmware update that can help customers remove rootkit malware deployed in attacks targeting SMA 100 series devices. “SonicWall SMA 100 10.2.2.2-92sv build has been released with additional file checking, providing the capability to remove known rootkit malware present on the SMA devices,” the company said in a Monday advisory. “SonicWall strongly recommends […]
NPM package caught using QR Code to fetch cookie-stealing malware
Newly discovered npm package ‘fezbox’ employs QR codes to retrieve cookie-stealing malware from the threat actor’s server. The package, masquerading as a utility library, leverages this innovative steganographic technique to harvest sensitive data, such as user credentials, from a compromised machine. QR codes find yet another use case While 2D barcodes like QR codes have conventionally been designed […]
Self-propagating supply chain attack hits 187 npm packages
Security researchers have identified at least 187 npm packages compromised in an ongoing supply chain attack, with a malicious self-propagating payload to infect other packages. The coordinated worm-style campaign dubbed ‘Shai-Hulud’ started yesterday with the compromise of the @ctrl/tinycolor npm package, which receives over 2 million weekly downloads. Since then, the campaign has expanded significantly and now includes packages […]
New FileFix attack uses steganography to drop StealC malware
A newly discovered FileFix social engineering attack impersonates Meta account suspension warnings to trick users into unknowingly installing the StealC infostealer malware. FileFix is a new variant of the ClickFix family of attacks, which uses social engineering attacks to trick users into pasting malicious commands into operating system dialog boxes as supposed “fixes” for problems. The FileFix technique was […]
Hackers hide behind Tor in exposed Docker API breaches
A threat actor targeting exposed Docker APIs has updated its malicious tooling with more dangerous functionality that could lay the foundation for a complex botnet. The activity was first reported in June by cybersecurity company Trend Micro. whose researchers analyzed scripts and malicious code that dropped a cryptominer and relied on the Tor network to hide […]
VirusTotal finds hidden malware phishing campaign in SVG files
VirusTotal has discovered a phishing campaign hidden in SVG files that create convincing portals impersonating Colombia’s judicial system that deliver malware. VirusTotal detected this campaign after it added support for SVGs to its AI Code Insight platform. VirusTotal’s AI Code Insight feature analyzes uploaded file samples using machine learning to generate summaries of suspicious or malicious […]