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Backdoors

BRICKSTORM AquaShell Reconnaissance Tools XZ-Utils Backdoor ToolShell ModeloRAT AngrySpark ShadowPad and DarkNimbus SNAPPYBEE SparrowDoor

Mistic Backdoor Linked to KongTuke in New Vendor Reports

Vendors say the in-memory, BOF-capable backdoor gives an access broker a low-visibility foothold that can be resold to several ransomware affiliates.

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SprySOCKS Backdoor Ports to Windows With Kernel-Driver Stealth

Darktrace Uncovers APAC Espionage Using Fake Apple/Yahoo CDNs and Updated FDMTP Backdoor

Fake Claude AI Site Pushes New 'Beagle' Windows Backdoor

DAEMON Tools Confirms Supply-Chain Breach, Releases Clean Lite 12.6

Rapid7 Links Iran’s MuddyWater to False-Flag Chaos Ransomware Operation

ESET Links ScarCruft to Supply-Chain Attack on Yanbian Gaming Platform

Researchers Detail Deep#Door, a Stealthy Python Backdoor Hidden in a Windows Batch File

US, UK Warn of ‘Firestarter’ Backdoor on Cisco Firewalls That Survives Patches

Harvester’s Linux GoGra Backdoor Hides C2 in Microsoft Graph and Outlook

ESET Uncovers China-Linked GopherWhisper Using Slack, Discord and Outlook for Stealthy C2

WordPress Pulls Dozens of Plugins After Backdoor Pushes Malware to Thousands of Sites

OpenAI Rotates Mac Signing Certificates, Sets May 8 Update Deadline After Axios Hack

Rapid7 Uncovers China-Linked Sleeper Cells in Global Telecom Networks

Cisco Talos Details China-Linked UAT-9244 Malware Targeting South American Telcos

Cisco Talos Exposes ‘Dohdoor’ Backdoor Using DNS-over-HTTPS in U.S. Education and Healthcare Attacks

Dell Patches RecoverPoint Zero-Day Exploited Since 2024 by Suspected China Group

Cisco Talos Unmasks 'DKnife' AitM Framework Tied to China Since 2019

Huntress Uncovers 'CrashFix' Browser Extension That Crashes Chrome to Push ModeloRAT

Cisco Releases Fix for AsyncOS Zero-Day Exploited on Secure Email Appliances