malware
Ransomware gangs increasingly use Skitnet post-exploitation malware
Ransomware gang members increasingly use a new malware called Skitnet (“Bossnet”) to perform stealthy post-exploitation activities on breached networks. The malware has been offered for sale on underground forums like RAMP since April 2024, but according to Prodaft researchers, it started gaining significant traction among ransomware gangs since early 2025. Prodaft told GeekFeed they have observed […]
iClicker hack targeted students with malware via fake CAPTCHA
The website of iClicker, a popular student engagement platform, was compromised in a ClickFix attack that used a fake CAPTCHA prompt to trick students and instructors into installing malware on their devices. iClicker is a subsidiary of Macmillan and is a digital classroom tool that allows instructors to take attendance, ask live questions or surveys, […]
Supply chain attack hits npm package with 45,000 weekly downloads
An npm package named ‘rand-user-agent’ has been compromised in a supply chain attack to inject obfuscated code that activates a remote access trojan (RAT) on the user’s system. The ‘rand-user-agent‘ package is a tool that generates randomized user-agent strings, which is helpful in web scraping, automated testing, and security research. Although the package has been […]
Malicious PyPi package hides RAT malware, targets Discord devs since 2022
A malicious Python package targeting Discord developers with remote access trojan (RAT) malware was spotted on the Python Package Index (PyPI) after more than three years. Named “discordpydebug,” the package was masquerading as an error logger utility for developers working on Discord bots and was downloaded over 11,000 times since it was uploaded on March 21, 2022, even […]
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 […]