Threat Advisories:

DarkCloud Rising: Spear-Phishing Campaign Targets Manufacturing Sector Active Zero-Day Exploitation on Cisco ASA and FTD Devices BRICKSTORM Malware Quietly Builds the Perfect Hideout in US Networks September 2025 Linux Patch Roundup COLDRIVER’s ClickFix Campaign Targets Civil Voices Critical Cisco SNMP Flaw Exploited: Root Access at Risk DeerStealer the $200 Doorway to Your Digital Secrets Operation Rewrite: How BadIIS Rewired the Web for SEO Poisoning Atomic Stealer Targeting Mac Users via Malicious GitHub Page Subtle Snail’s Silent Espionage Across Europe Gamaredon Tools Revive Turla’s Kazuar Backdoor to Target Ukraine Google Races to Patch Chrome’s Sixth Zero-Day CVE-2025-10585 SilentSync RAT Hides in Plain Sight on PyPI Shai-Hulud: Massive npm Supply Chain Attack Infects Hundreds of Packages From Bookings to Breaches: RevengeHotels Latest Attacks on Hospitality BlackNevas Ransomware: A Rising Global Cyber Threat Yurei Ransomware Haunts the Digital World Like a Restless Spirit Click, Paste, Compromise: Inside the New FileFix Campaign Hive0154 Evolves with SnakeDisk and EnhancedToneshell Backdoor HybridPetya: A Bootkit-Enabled Ransomware Threat

Hive Force Labs: October First Threat Research

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DarkCloud Uses Fileless Techniques Turning into a Nightmare for Windows

Amber | Attack Report

DarkCloud, a Windows-based information stealer first detected in 2022, resurfaced in 2025 with new delivery and obfuscation tactics, including ConfuserEx-protected files and a VB6 payload. Spread mainly via phishing emails with malicious RAR attachments, it uses JavaScript and PowerShell to deploy a fileless .NET DLL, gain persistence, and inject its payload into MSBuild.exe, stealing browser credentials and payment data for exfiltration via FTP or SMTP.

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