Back to Feed
Nation-stateMar 6, 2026

Iran-Linked MuddyWater Hackers Target U.S. Networks With New Dindoor Backdoor

Iranian state-sponsored APT group MuddyWater has been discovered deploying a new backdoor called Dindoor against U.S. networks, targeting critical infrastructure including banks, airports, and non-profits. The campaign demonstrates persistent efforts by Iran-linked threat actors to establish footholds in sensitive U.S. organizations.

Summary

Iranian state-sponsored APT group MuddyWater has been discovered deploying a new backdoor called Dindoor against U.S. networks, targeting critical infrastructure including banks, airports, and non-profits. The campaign demonstrates persistent efforts by Iran-linked threat actors to establish footholds in sensitive U.S. organizations.

Indicators of Compromise

  • malware — Dindoor
  • malware — MuddyWater