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Tag: backdoor

Active Exploitation Alert: China-Nexus UAT-11587 Deploys Antino Backdoor Leveraging Microsoft 365 Outlook and OneDrive for Stealthy Cyber-Espionage in Asia and Middle East
Microsoft

Active Exploitation Alert: China-Nexus UAT-11587 Deploys Antino Backdoor Leveraging Microsoft 365 Outlook and OneDrive for Stealthy Cyber-Espionage in Asia and Middle East

vm_adminOctober 5, 2026

By Rescana Publication Date: 2026-10-04 00:00:00 Executive Summary A newly identified China-nexus cyber-espionage campaign is leveraging a sophisticated Rust-based backdoor,…

Hackers Built a Windows Backdoor Whose Entire C2 Lives Inside Microsoft 365
Cisco

Hackers Built a Windows Backdoor Whose Entire C2 Lives Inside Microsoft 365

vm_adminOctober 2, 2026

By Tushar Subhra Dutta Publication Date: 2026-10-01 16:06:00 SHA-256 e809da86bd81463347fa7f922d3e088755a94a331889d32acb55aa8f57778a34 HTA stager, CSIS Indo-Pacific lure SHA-256 e6ff096a0562c0042b09d250bd60272ffcd8d72bd95c563842acf765a8dc8bcf HTA stager, Bajo…

China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor
Cisco

China-nexus UAT-11587 targets government and policy organizations across Asia with Antino backdoor

vm_adminSeptember 30, 2026

By Cisco Talos Blog Publication Date: 2026-09-30 10:00:00 Cisco Talos uncovered a cluster of activity we track as UAT-11587 targeting…

New Linux FIRESTARTER Backdoor Targets Cisco Firepower Devices
Cisco

New Linux FIRESTARTER Backdoor Targets Cisco Firepower Devices

vm_adminMay 1, 2026

By Deeba Ahmed Publication Date: 2026-04-28 11:41:00 The US Cybersecurity and Infrastructure Security Agency (CISA) and the UK National Cyber…

CISA, NCSC warn Firestarter malware enabling persistent backdoor access to exposed Cisco firewall infrastructure – Industrial Cyber
Cisco

CISA, NCSC warn Firestarter malware enabling persistent backdoor access to exposed Cisco firewall infrastructure – Industrial Cyber

vm_adminApril 28, 2026

By Anna Ribeiro Publication Date: 2026-04-27 09:34:00 The U.S. Cybersecurity and Infrastructure Security Agency (CISA) released a malware analysis report…

Infected Cisco firewalls need cold start to clear persistent Firestarter backdoor
Cisco

Infected Cisco firewalls need cold start to clear persistent Firestarter backdoor

vm_adminApril 28, 2026

By Howard Solomon Publication Date: 2026-04-28 03:31:00 He underscored the CISA and Cisco advice that to mitigate damage, an infected…

CISA, NCSC issue Firestarter backdoor warning
Cisco

CISA, NCSC issue Firestarter backdoor warning

vm_adminApril 28, 2026

By Connor Jones Publication Date: 2026-04-24 14:46:00 A US federal agency was successfully targeted by a previously unknown backdoor malware…

CISA Hunts for Cisco Backdoor Spotted on Federal Network
Cisco

CISA Hunts for Cisco Backdoor Spotted on Federal Network

vm_adminApril 25, 2026

By @BnkInfoSecurity Publication Date: 2026-04-24 12:00:00 Cyberwarfare / Nation-State Attacks , Fraud Management & Cybercrime , Network Firewalls, Network Access…

CISA reports persistent FIRESTARTER backdoor on Cisco ASA device in federal network
Cisco

CISA reports persistent FIRESTARTER backdoor on Cisco ASA device in federal network

vm_adminApril 25, 2026

By Pierluigi Paganini Publication Date: 2026-04-25 00:00:00 CISA reports persistent FIRESTARTER backdoor on Cisco ASA device in federal network Pierluigi…

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches
Cisco

FIRESTARTER Backdoor Hit Federal Cisco Firepower Device, Survives Security Patches

vm_adminApril 24, 2026

By The Hacker News Publication Date: 2026-04-24 17:06:00 The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an…

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