Anubis Ransomware Exploits Citrix Bleed 2 Vulnerability (CVE-2025-5777)
In July 2026, the Anubis ransomware group exploited the Citrix Bleed 2 vulnerability (CVE-2025-5777) to gain initial access to targeted systems. This critical flaw in Citrix NetScaler ADC and Gateway devices allows unauthenticated attackers to extract sensitive memory contents, including session tokens, enabling them to bypass multi-factor authentication and hijack user sessions. Anubis affiliates utilized legitimate Remote Management and Monitoring (RMM) tools such as ScreenConnect, Zoho Assist, and UltraVNC to maintain control over compromised systems, facilitating lateral movement and data encryption. ([thehackernews.com](https://thehackernews.com/2026/07/ransomware-groups-turn-to-citrix-bleed.html?utm_source=openai)) The exploitation of CVE-2025-5777 underscores the persistent threat posed by ransomware groups leveraging known vulnerabilities and legitimate tools to evade detection. Organizations must prioritize timely patching of critical vulnerabilities and monitor for unauthorized use of RMM tools to mitigate such risks.
Kill Chain