eSentire tracks four clusters behind CVE-2026-88771 exploitation, planting NetScaler web shells and backdoor accounts. Learn how to detect them. Related Posts: ClingSTUN Linux Backdoor Turns Unpatched IoT Devices Into Proxy Nodes Moroccan Intelligence Deploys Vast Surveillance Panopticon DragonForce Backdoor Adds MQTT Fallback to Microsoft Teams TURN Command Channel The post Four Attacker Clusters Exploit Citrix NetScaler Flaw CVE-2026-88771 to Plant Web Shells appeared first on Daily CyberSe

Attackers used a PaperCut zero-day to plant a web shell and an AdaptixC2 implant hidden in fake Microsoft Copilot, then took over Active Directory. Related Posts: UAT-11587 Targets Asian Governments With Antino Backdoor Microsoft Details NeedyMantis Malware Used for Long-Term Access in Targeted Intrusions New MacSync macOS Infostealer Targets Crypto Wallets The post PaperCut Zero-Day Attack Hides AdaptixC2 Implant Inside Fake Microsoft Copilot appeared first on Daily CyberSecurity.