Iran-Linked MuddyWater Deploys Phoenix v4 Backdoor via Compromised Emails and NordVPN Exit Node Cyber Security Malware Iran-Linked MuddyWater Deploys Phoenix v4 Backdoor via Compromised Emails and NordVPN Exit Node Do Son October 23, 2025 0 Researchers at Group-IB Threat Intelligence have uncovered a new global phishing and espionage campaign conducted by the... Read More Read more about Iran-Linked MuddyWater Deploys Phoenix v4 Backdoor via Compromised Emails and NordVPN Exit Node