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APT28 Weaponizes Microsoft Office Zero-Day Within 24 Hours, Targets Ukraine and EU with Covenant Backdoor

Alerts

APT28 Weaponizes Microsoft Office Zero-Day Within 24 Hours, Targets Ukraine and EU with Covenant Backdoor

Russian state-sponsored hacking group APT28 weaponized a critical Microsoft Office zero-day vulnerability within 24 hours of public disclosure, launching targeted attacks against Ukrainian government agencies and European Union institutions. Ukraine's Computer Emergency Response Team (CERT-UA) detected exploitation attempts beginning January 27 — just one day after

By Zero Day Wire
Chinese APT Lotus Blossom Hijacked Notepad++ Updates for Six Months, Deploying New Chrysalis Backdoor

Threats

Chinese APT Lotus Blossom Hijacked Notepad++ Updates for Six Months, Deploying New Chrysalis Backdoor

Chinese state-sponsored threat actors compromised the update infrastructure for Notepad++, the popular open-source text editor with tens of millions of Windows users, and maintained access for nearly six months while selectively targeting victims with malicious updates. The Notepad++ development team confirmed the breach today, stating that attackers intercepted

By Zero Day Wire
GhostChat Spyware Uses Romance Scams and WhatsApp Hijacking to Target Pakistani Android Users

Threats

GhostChat Spyware Uses Romance Scams and WhatsApp Hijacking to Target Pakistani Android Users

Security researchers have uncovered a coordinated espionage campaign targeting Android users in Pakistan through a spyware operation that combines romance-themed social engineering, mobile surveillance, and WhatsApp account hijacking. ESET researchers track the Android component as GhostChat, a spyware that masquerades as a dating application while exfiltrating sensitive data and

By Zero Day Wire
ShadowHS: Fileless Linux Framework Executes Entirely from Memory for Long-Term Intrusion Operations

Threats

ShadowHS: Fileless Linux Framework Executes Entirely from Memory for Long-Term Intrusion Operations

Security researchers have uncovered a sophisticated Linux post-exploitation framework that operates entirely in memory, leaving no persistent artifacts on disk while providing operators with extensive capabilities for long-term intrusion operations. Cyble Research & Intelligence Labs tracks the activity as ShadowHS, reflecting its fileless execution model and lineage from

By Zero Day Wire