GhostLock: New Attack Technique Locks Enterprise Files Like Ransomware — Without Any Encryption
GhostLock is a newly disclosed attack technique that uses standard Windows file-locking behavior to paralyze enterprise SMB file shares without encrypting a single byte. Requiring only a standard...
Operation SilentCanvas: Hackers Hide PowerShell Malware in Fake JPEG to Deploy Trojanized ScreenConnect Backdoor
Operation SilentCanvas is a new Windows attack campaign that hides a PowerShell script inside a fake JPEG file to deploy a trojanized ScreenConnect backdoor. The multi-stage infection chain...
TCLBANKER Banking Trojan Spreads Through Self-Replicating WhatsApp and Outlook Worm Modules
A highly sophisticated Brazilian banking trojan called TCLBANKER (campaign REF3076) has been uncovered by Elastic Security Labs. The malware uses a legitimate signed Logitech installer via DLL side-loading,...
InstallFix: Hackers Use Fake Claude AI Installer Pages and Google Ads to Deploy RedLine Stealer Malware
A malware campaign called InstallFix is using paid Google Ads to push fake Claude AI installation pages to the top of search results, tricking users into running malicious...
ZiChatBot: OceanLotus APT Uses Zulip Chat APIs as Covert Command and Control in PyPI Supply Chain Attack
A newly discovered malware called ZiChatBot abuses Zulip REST APIs for command and control, hiding malicious traffic as legitimate chat communications. Linked to the OceanLotus (APT32) threat group,...
UAT-8302: China-Nexus APT Uses Custom Malware and Open-Source Tools to Steal Data From Government Agencies
Cisco Talos has detailed UAT-8302, a China-nexus APT group conducting long-term espionage campaigns against government agencies in southeastern Europe. The group blends custom backdoors like NetDraft and CloudSorcerer...
Malicious DeepSeek-Claw AI Skill Delivers Remcos RAT and GhostLoader in Agentic AI Supply Chain Attack
Zscaler ThreatLabZ has uncovered a campaign where attackers published a fake DeepSeek integration for the OpenClaw AI framework on GitHub, hiding malicious commands in a SKILL.md file. The...
DEEP#DOOR: New Python Backdoor Silently Harvests Browser Passwords, Cloud Tokens, SSH Keys, and Wi-Fi Credentials
Securonix researchers have documented DEEP#DOOR, a self-contained Python backdoor delivered via obfuscated batch files that systematically disables Windows defenses before establishing persistent remote access. Its credential-harvesting engine simultaneously...