malware
Google links new LostKeys data theft malware to Russian cyberspies
Since the start of the year, the Russian state-backed ColdRiver hacking group has been using new LostKeys malware to steal files in espionage attacks targeting Western governments, journalists, think tanks, and non-governmental organizations. In December, the United Kingdom and Five Eyes allies linked ColdRiver to Russia’s Federal Security Service (FSB), the country’s counterintelligence and internal security service. […]
StealC malware enhanced with stealth upgrades and data theft tools
The creators of StealC, a widely-used information stealer and malware downloader, have released its second major version, bringing multiple stealth and data theft enhancements. The latest version of StealC was actually made available to cybercriminals in March 2025, but Zscaler researchers who analyzed it just published a detailed write-up. In the weeks that followed its release, several […]
Hackers abuse IPv6 networking feature to hijack software updates
A China-aligned APT threat actor named “TheWizards” abuses an IPv6 networking feature to launch adversary-in-the-middle (AitM) attacks that hijack software updates to install Windows malware. According to ESET, the group has been active since at least 2022, targeting entities in the Philippines, Cambodia, the United Arab Emirates, China, and Hong Kong. Victims include individuals, gambling companies, […]
WordPress plugin disguised as a security tool injects backdoor
A new malware campaign targeting WordPress sites employs a malicious plugin disguised as a security tool to trick users into installing and trusting it. According to Wordfence researchers, the malware provides attackers with persistent access, remote code execution, and JavaScript injection. At the same time, it remains hidden from the plugin dashboard to evade detection. […]
SK Telecom warns customer USIM data exposed in malware attack
South Korea’s largest mobile operator, SK Telecom, is warning that a malware infection allowed threat actors to access sensitive USIM-related information for customers. SK Telecom is the largest mobile network operator in South Korea, holding approximately 48.4% of the mobile phone service market in the country, corresponding to 34 million subscribers. The company says they detected malware […]
Chinese hackers target Russian govt with upgraded RAT malware
Chinese-speaking IronHusky hackers are targeting Russian and Mongolian government organizations using upgraded MysterySnail remote access trojan (RAT) malware. Security researchers at Kaspersky’s Global Research and Analysis Team (GReAT) spotted the updated implant while investigating recent attacks where the attackers deployed the RAT malware using a malicious MMC script camouflaged as a Word document, which downloaded second-stage […]
Midnight Blizzard deploys new GrapeLoader malware in embassy phishing
Russian state-sponsored espionage group Midnight Blizzard is behind a new spear-phishing campaign targeting diplomatic entities in Europe, including embassies. Midnight Blizzard, aka ‘Cozy Bear’ or ‘APT29,’ is a state-sponsored cyberespionage group linked to Russia’s Foreign Intelligence Service (SVR). According to Check Point Research, the new campaign introduces a previously unseen malware loader called ‘GrapeLoader,’ and a […]
New ResolverRAT malware targets pharma and healthcare orgs worldwide
A new remote access trojan (RAT) called ‘ResolverRAT’ is being used against organizations globally, with the malware used in recent attacks targeting the healthcare and pharmaceutical sectors. ResolverRAT is distributed through phishing emails claiming to be legal or copyright violations tailored to languages that match the target’s country. The emails contain a link to download a legitimate […]
Russian hackers attack Western military mission using malicious drive
The Russian state-backed hacking group Gamaredon (aka “Shuckworm”) has been targeting a military mission of a Western country in Ukraine in attacks likely deployed from removable drives. Symantec threat researchers say the campaign started in February 2025 and continued until March, with hackers deploying an updated version of the GammaSteel info-stealing malware to exfiltrate data. According to […]
Police detains Smokeloader malware customers, seizes servers
In follow-up activity for Operation Endgame, law enforcement tracked down Smokeloader botnet’s customers and detained at least five individuals. During Operation Endgame last year, more than 100 servers used by major malware loader operations (e.g. IcedID, Pikabot, Trickbot, Bumblebee, Smokeloader, SystemBC) were seized. In a press release today, Europol informs that the operation continues as law enforcement […]