MuddyWater strikes Israel with advanced MuddyViper malware

Securityaffairs.Co •Pierluigi Paganini • December 2, 2025

Iran-linked threat actor MuddyWater targeted multiple Israeli sectors with a new MuddyViper backdoor in recent attacks. ESET researchers uncovered a new MuddyWater campaign targeting Israeli organizations and one confirmed Egyptian target. The Iran-linked APT group MuddyWater (aka SeedWorm, TEMP.Zagros, Mango Sandstorm, TA450, and Static Kitten) deployed custom tools to evade defenses and maintain persistence. They used a Fooder loader, […]

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MuddyWater Targets Israel with MuddyViper Malware Iran-linked threat actor MuddyWater has launched a campaign against multiple Israeli sectors using a new backdoor called MuddyViper. The attacks also included one confirmed target in Egypt, employing custom tools to evade defenses and maintain persistence. 2 sources 31

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MuddyWater strikes Israel with advanced MuddyViper malware

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Extracted Entities

APT Groups (6)

Attack Types (1)

Countries (1)

Malware (1)

Tools (1)