A Vietnamese threat actor named BatShadow has been attributed to a new campaign that leverages social engineering tactics to deceive job seekers and digital marketing professionals to deliver a previously undocumented malware called Vampire Bot. "The attackers pose as recruiters, distributing malicious files disguised as job descriptions and corporate documents," Aryaka Threat Research Labs researchers Aditya K Sood and Varadharajan K said in a report shared with The Hacker News. "When opened,
tr-25-287-002 (2)
Cybersecurity firm Cyfirma has recently published a detailed analysis of a new ransomware strain named Yurei, which has quickly gained attention due to its speed, stealth capabilities, and the irreversible damage it inflicts. Discovered in September 2025, Yurei is a sophisticated Go-based cyber threat designed to intimidate and disable its targets with advanced encryption and cunning operational tactics. Yurei’s encryption mechanism employs a combination of ChaCha20 and ECIES (Elliptic Curve I
