---
title: Iran's MuddyWater Hackers Upgrade to Stealthier Cyber Operations
description: Iran's MuddyWater group enhances cyber tactics with MuddyViper malware, targeting Israel and Egypt, showcasing evolved capabilities.
canonical_url: https://codekeeper.co/ticker/iran-muddywater-upgrades-cyber-capabilities
---

# Iran's MuddyWater Hackers Upgrade to Stealthier Cyber Operations

Iran's MuddyWater group enhances cyber tactics with MuddyViper malware, targeting Israel and Egypt, showcasing evolved capabilities.

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By Content Team Dec 3, 2025

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Iran's MuddyWater hacking group has significantly upgraded its cyber capabilities, deploying new custom malware called MuddyViper against Israeli and Egyptian targets from September 2024 through March 2025. The group, linked to Iran's intelligence ministry, used a sophisticated 64-bit loader called "Fooder" disguised as the Snake video game to execute attacks entirely in memory, evading traditional detection. This marks a major evolution for MuddyWater, historically known for noisy, error-prone operations. The new toolkit includes advanced credential stealers and reverse tunneling capabilities. ESET researchers also observed collaboration with another Iranian group, Lyceum, suggesting increased coordination among Tehran's cyber units. Despite improvements, some operational weaknesses remain detectable. **Source:** [Dark Reading](https://www.darkreading.com/cyberattacks-data-breaches/irans-muddywater-levels-up-muddyviper-backdoor)

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