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Tag: malware operations

629 articles

Laptop on a cluttered wooden desk in a small Ukrainian office with blurred screen.

Russia-Linked GREYVIBE Exploits AI in Ukraine Cyberattacks

Discover how the Russia-linked group GREYVIBE is using AI to launch sophisticated cyberattacks on Ukraine, leveraging tactics like spear-phishing emails and fake websites to spread malware. WithSecure researchers have tracked GREYVIBE's activities back to August 2025, revealing a pattern of attacks targeting Ukraine's military, government, and civilian sectors.

Analyst 207
Cluttered computer terminal room with cables and equipment, laptop in center, faint GitHub logo on blurred screen.

AI-Generated Malware Exposes Operator's GitHub Token

A malicious npm package, disguised as a harmless sync utility called "mouse5212-super-formatter", was downloaded 676 times before it was caught stealing sensitive data and exposing its creator's GitHub token. This AI-generated malware cleverly hid its true intentions, uploading stolen files to a fake repository and covering its tracks.

Analyst 207
Laptop screen on cluttered office desk with subtle hint of fake installation page.

Kimsuky Expands Malware Arsenal with HTTPSpy, HelloDoor

Kimsuky, a notorious North Korean hacking group, has upgraded its malware arsenal with HTTPSpy and HelloDoor, using clever tactics like fake installation pages and a spoofed Webex meeting to infiltrate targets. The group's latest attacks involve highly tailored social engineering and real-time infection verification to maximize success.

Analyst 207
Dimly lit home entertainment room with laptop surrounded by pirated media items.

Cybercrime Gang Targets Fans with Miner Malware via Pirated Media Sites

Millions of fans are unwittingly getting hacked when they visit popular pirated media sites, with a staggering 40 million visits to infected sites in April alone. A sneaky malware campaign is using fake video player updates to infect devices with cryptomining and remote-access malware.

Analyst 207
Empty office interior with a single open laptop on a desk.

GreyVibe hackers wield AI tools to fuel multi-sector cyberattacks

Meet GreyVibe, a likely Russian threat group that's been wreaking havoc across multiple sectors in Ukraine since at least August 2025, using AI-generated social engineering and custom malware to fuel its attacks. WithSecure researchers uncovered the group's activities, revealing a surprisingly unsophisticated approach despite its use of advanced AI tools like ChatGPT and Google Gemini.

Analyst 207
Cryptocurrency developer's workspace with Mac computer, notes, and empty coffee cups.

Jinx-0164 Targets Crypto Developers with Custom macOS Malware

Beware of fake meetings on LinkedIn - cyber attackers are using them to trick crypto developers into installing custom macOS malware called Audiofix, which can steal sensitive info like passwords, SSH keys, and cryptocurrency wallet details. This sneaky malware is disguised as an audio fix, but its real goal is to harvest your valuable data.

Analyst 207
Person working at desk with laptop and phone, surrounded by papers, in a home office with a city view through the window.

GPU mining malware spreads via SEO poisoning and AI chatbot manipulation

Beware of a sneaky malware that's spreading through manipulated AI chatbot responses and search engine poisoning, tricking users into downloading GPU mining malware. Victims unknowingly stumble upon malicious links while searching for popular software or getting recommendations from AI assistants.

Analyst 207
Network operations center with globe, screens, and abstracted server racks.

CrowdStrike disrupts Glassworm botnet with global takedown

In a major win for cybersecurity, CrowdStrike has successfully dismantled the notorious Glassworm botnet in a global takedown, cutting off its operators from infected machines worldwide. The infected machines now harmlessly connect to a CrowdStrike-controlled IP address, rendering the botnet useless.

Analyst 207
GitHub repository on laptop in home office with papers and smartphone nearby.

Malicious npm Package Targets Claude AI User Files via GitHub

Disguising itself as a harmless archive deployment sync tool, the malicious npm package mouse5212-super-formatter secretly synced local workspace files to a remote tracking tree, allowing attackers to target user files on GitHub.

Analyst 207
Rows of computer servers and networking equipment in a brightly-lit server room.

CrowdStrike dismantles Glassworm botnet targeting open-source supply chain

In a major win for cybersecurity, CrowdStrike has successfully dismantled the notorious Glassworm botnet, crippling its ability to target the open-source supply chain. By taking down four key servers, CrowdStrike has forced the attackers to regroup and rebuild, buying time for the industry to stay one step ahead.

Analyst 207
Office worker sits at desk with laptop and printer in background.

FortiGuard Labs Exposes Sophisticated Phishing Campaign Targeting Windows Users

Beware of a sneaky phishing campaign that's targeting Windows users with a multi-stage attack chain, starting with a seemingly harmless email attachment that unleashes a powerful malware. This stealthy threat uses clever tactics like process hollowing to inject malicious code into trusted Windows processes.

Analyst 207
Network operations center with large map display and staff working at computer terminals.

CrowdStrike and Google Disrupt Glassworm Botnet Infrastructure

In a major win for cybersecurity, a powerful collaboration between CrowdStrike, Google, and the Shadowserver Foundation successfully dismantled the Glassworm botnet by simultaneously taking down all four of its command-and-control channels. This bold move cut off the botnet's operators from infected devices, preventing further malicious activity.

Analyst 207
Tangled fiber optic cables in a data center, disrupted and severed.

Glassworm botnet disrupted by takedown of resilient C2 infrastructure

In a major win for cybersecurity, researchers from CrowdStrike, Google, and The Shadowserver Foundation have successfully disrupted the Glassworm botnet by dismantling its complex command-and-control infrastructure. This takedown cuts off the lifelines of the threat actors, halting their campaigns that had been ongoing since October 2025.

Analyst 207
Brightly-lit software development workspace with multiple workstations and monitors.

CrowdStrike Disrupts GlassWorm Malware's Global Supply Chain Attack Infrastructure

In a major win for cybersecurity, CrowdStrike teamed up with Google and the Shadowserver Foundation to dismantle the global infrastructure behind the GlassWorm malware attack, crippling its ability to issue commands or deliver new payloads to infected machines. This coordinated operation targeted and neutralized the malware's command-and-control channels, protecting software developers from further exploitation.

Analyst 207
Laptop screen displays chatbot interface with blurred office background and smartphone shows warning message.

Microsoft Warns of AI-Driven Cryptojacking Campaign Targeting High-Performance GPUs

Beware of a sneaky new cryptojacking scam that's using AI chatbots to trick you into downloading malicious software - hackers are now hiding in plain sight, serving up poisoned links in chatbot responses that seem like harmless software recommendations. This cunning tactic is a game-changer for cyber threats, making it even harder to spot danger online.

Analyst 207
Office worker's desk with laptop, purchase order, and suspicious files.

PureLogs Infostealer Exploits Purchase Order Phishing Lures

Beware of purchase order phishing scams that can deliver a powerful infostealer, capable of stealing sensitive credentials and cryptocurrency keys, via a simple yet cleverly disguised email with a malicious RAR attachment. Even security software can be fooled, as one campaign was only flagged as a threat after it was already sent.

Analyst 207
Close-up of computer circuit board with exposed casing revealing abstract malicious code in background.

MuddyWater Exploits DLL Side-Loading in Global Espionage Push

MuddyWater hackers have launched a massive global espionage campaign, infiltrating at least nine organizations across four continents by cleverly disguising malicious code as legitimate software. They used a sneaky trick called DLL side-loading to quietly steal credentials and browser data.

Analyst 207
Smartphone on cluttered desk with login prompt on screen.

BTMOB Android RAT Exploits No-Code Tools in Global Phishing Campaigns

A single malicious download can put an entire company's sensitive data at risk, so it's crucial for corporate security teams to educate employees on the dangers of rogue apps.

Analyst 207
Laptop on student desk shows login screen in bright campus library setting.

KnowledgeDeliver LMS Flaw Exploited to Deploy Malware

A security flaw in the KnowledgeDeliver LMS, known as CVE-2026-5426, was exploited by a threat actor to inject malicious code and infect users visiting the site. This vulnerability was caused by a predictable secret in the system's web.config file, allowing attackers to execute remote code.

Analyst 207
Developer workstation with laptop and monitor displaying code, surrounded by notes and empty coffee cups, in a modern…

TrapDoor Attack Spreads Credential-Stealing Malware Across Software Ecosystems

A massive supply chain attack, dubbed TrapDoor, has been spreading credential-stealing malware across three major language ecosystems, infecting over 34 malicious packages and 384 versions. The coordinated campaign began on May 22, 2026, and continues to target developers with cleverly named packages related to cryptocurrency, DeFi, Solana, and AI.

Analyst 207
Software development workspace with laptop and monitor displaying Git repository interface.

GitHub Tags Exploited to Deploy Credential-Stealing Malware

Malicious actors have manipulated hundreds of GitHub tags to spread credential-stealing malware through popular Laravel Lang localization packages, putting countless users at risk. By rewriting historical tags, attackers tricked Composer installations into downloading the malicious payload.

Analyst 207
Laptop and development tools sit on a cluttered workspace surrounded by generic technology equipment.

GitHub-Hosted Malware Targets PHP Packages in Coordinated Supply Chain Attack

Malicious code was injected into eight PHP packages on Packagist, triggering a Linux binary download from GitHub Releases via JavaScript lifecycle hooks in package.json postinstall scripts. The attack was swiftly contained, with the malicious versions removed from Packagist.

Analyst 207
Cluttered desk with laptop showing PHP project, surrounded by coffee cups and coding notes in a modern office.

Malicious Laravel-Lang Packages Deliver Cross-Platform Credential Stealer

A massive wave of malicious Laravel-Lang packages, with over 700 versions released in just two days, has been used to spread a sneaky cross-platform credential stealer. Security researchers warn that multiple PHP packages from the Laravel-Lang organization were compromised, hinting at a large-scale breach of the organization's release process.

Analyst 207
Modern tech facility with laptop workstation and blank screen.

Iran-nexus APT Expands Espionage Ops with New RAT Variants

Unit 42 researchers have uncovered a sophisticated espionage campaign by an Iran-linked threat group, dubbed Screening Serpens, which has deployed six new remote access Trojan (RAT) variants to target entities across the US, Israel, and the Middle East. These variants, part of two distinct malware families, signal a significant expansion of the group's cyber spying operations.

Analyst 207