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Bleeping Computer
A new Zloader campaign exploits Microsoft's e-signature code verification to steal user credentials from over two thousand victims in 111 countries. [...]
Check Point Research
Research by: Golan Cohen Introduction Last seen in August 2021, Zloader, a banking malware designed to steal user credentials and private information, is back with a simple yet sophisticated infection chain. Previous Zloader campaigns, which were seen in 2020, used malicious documents, adult sites and Google ads to infect systems. Evidence of the new campaign... Click to Read More The post Can You Trust a File’s Digital Signature? New Zloader Campaign exploits Microsoft’s Signature Verification putting users at risk appeared first on Check Point Research.
Check Point Research
Introduction While monitoring the exploit activity, Check Point Research detected many attacks involving the mining of cryptocurrencies. While most miners detected are Linux based, Check Point researchers recently discovered a Win32 executable malware identified as StealthLoader. This .NET-based malware surfaced right after the Log4j vulnerability was discovered. The StealthLoader Trojan performs various evasion techniques in... Click to Read More The post StealthLoader Malware Leveraging Log4Shell appeared first on Check Point Research.
The Hacker News
Threat actors are delivering malicious loaders and cryptocurrency miners under the guise of artificial intelligence (AI) desktop applications for Anthropic Claude and OpenAI ChatGPT as part of a campaign dubbed Yoba. The activity involves creating fake GitHub projects that claim to be desktop applications like GPT-5.6 Sol, GPT-6 Astra, and Claude Opus, only to deliver a malware family called
The Hacker News
An unknown threat actor has infected 953 online stores, most of them running Magento, as part of a long-running campaign active since July 2025. According to Dutch e-commerce security company Sansec, the activity is designed to add a small piece of code to the store's pages that, when visited by unsuspecting users, serves malicious JavaScript loader code through Magento CMS blocks. "When you
The Hacker News
The threat actor known as Silent Lynx has been attributed to a fresh set of attacks targeting government organizations across the Commonwealth of Independent States (CIS). The activity, observed from June 2025 through August 2026, involves four different infection chains that make use of macro-enabled documents, PS2EXE downloaders, GitHub-hosted PowerShell, and crafted WinRAR archives
Bleeping Computer
More than 17,000 fake repositories on GitHub are distributing the SmartLoader malware after the FakeGit campaign reactivated earlier this month to push the StealC infostealer. [...]
Check Point Research
Key Points Introduction Since mid-2025, Check Point Research has tracked a sustained campaign against Brazilian organizations. The tradecraft points to a Chinese-speaking cybercrime group connected to Earth Berberoka, an actor first documented targeting gambling sites across Asia. Once inside a victim, the group deploys a broad Linux toolkit: a custom downloader, several backdoors, and familiar offensive utilities. […] The post appeared first on . Gaming the system: how a Chinese-speaking actor turned Brazilian government sites into an SEO weapon Check Point Research
The Hacker News
The CERT Coordination Center (CERT/CC) has disclosed two unpatched vulnerabilities in Kaltura's HTML5 video player library that allow a remote, unauthenticated attacker to read arbitrary files from a server and execute code on it. The flaws, tracked as CVE-2026-19913 and CVE-2026-19912, both stem from the same unsafe deserialization in the mwEmbedLoader.php endpoint of the mwEmbed player
The Hacker News
Cybersecurity researchers have flagged a new malware family that's specifically designed to infect Android-based vehicle head unit firmware developed by DoFun. Kaspersky, which discovered the threat in June 2026, said the end goal of the malware is to serve a multi-stage downloader to enable ad fraud and creation of a proxy botnet. "The malware spread through the built-in updaters of