MuddyViper

MITRE ATT&CK: S9032 View on attack.mitre.org

Aliases: MuddyViper

First seen
2019-01-01 00:00:00
Malware type
backdoor
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 13:22:56

Targeted industries: government-and-public-sector energy-and-utilities

Targeted regions: country_code:ir country_code:il country_code:sa

Context

MuddyViper is custom backdoor written in C and C++ used by MuddyWater for command and control (C2) communications and persistence. MuddyViper is loaded by Fooder and sends frequent messages to the C2 server.

Detection coverage

  • 569 Sigma rules

Malware & tools used

  • Delay Execution (attack-pattern)
  • Security Software Discovery (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • Symmetric Cryptography (attack-pattern)
  • Archive Collected Data (attack-pattern)
  • Scheduled Task (attack-pattern)
  • Process Discovery (attack-pattern)
  • Web Protocols (attack-pattern)
  • Native API (attack-pattern)
  • Modify Registry (attack-pattern)
  • GUI Input Capture (attack-pattern)
  • Reflective Code Loading (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • Exfiltration Over C2 Channel (attack-pattern)
  • PowerShell (attack-pattern)
  • Command and Scripting Interpreter (attack-pattern)
  • Windows Command Shell (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)

Used by threat actors

Reports & references

  • ESET — Muddywater Snakes Riverbank (report)
  • MITRE ATT&CK — S9032 (report)

External references