{
  "id": "sea-turtle",
  "name": "Sea Turtle",
  "aliases": [
    "Teal Kurma",
    "Marbled Dust",
    "Cosmic Wolf",
    "SILICON"
  ],
  "domain": "cyber",
  "country": "TUR",
  "category": "Suspected state-linked cyber threat group",
  "status": "tracked",
  "fielded": null,
  "operators": [
    "TUR"
  ],
  "summary": "Sea Turtle is a Türkiye-linked threat actor active since at least 2017 performing espionage and service provider compromise operations against victims in Asia, Europe, and North America. Sea Turtle is notable for targeting registrars managing ccTLDs and complex DNS-based intrusions where the threat actor compromised DNS providers to hijack DNS resolution for ultimate victims, enabling Sea Turtle to spoof log in portals and other applications for credential collection.",
  "specs": [
    {
      "k": "sponsor",
      "v": "Türkiye-linked",
      "src": [
        "mitre-g1041"
      ],
      "conf": "medium"
    },
    {
      "k": "active_since",
      "v": 2017,
      "src": [
        "mitre-g1041"
      ],
      "conf": "medium",
      "note": "At least 2017"
    },
    {
      "k": "attack_id",
      "v": "G1041",
      "src": [
        "mitre-g1041"
      ],
      "conf": "high"
    },
    {
      "k": "targets",
      "v": "Sea Turtle is notable for targeting registrars managing ccTLDs and complex DNS-based intrusions where the threat actor compromised DNS providers to hijack DNS resolution for ultimate victims, enabling Sea Turtle to spoof log in portals and other applications for credential collection.",
      "src": [
        "mitre-g1041"
      ],
      "conf": "medium"
    },
    {
      "k": "techniques_count",
      "v": 27,
      "src": [
        "mitre-g1041"
      ],
      "conf": "high",
      "note": "ATT&CK v20.1"
    },
    {
      "k": "software",
      "v": "SnappyTCP",
      "src": [
        "mitre-g1041"
      ],
      "conf": "high",
      "note": "1 malware and tool entries linked in ATT&CK"
    }
  ],
  "payloads": [],
  "variants": [],
  "art": "cyber",
  "image": null,
  "verified": null,
  "notes": "Sea Turtle is a Türkiye-linked threat actor active since at least 2017 performing espionage and service provider compromise operations against victims in Asia, Europe, and North America. Sea Turtle is notable for targeting registrars managing ccTLDs and complex DNS-based intrusions where the threat actor compromised DNS providers to hijack DNS resolution for ultimate victims, enabling Sea Turtle to spoof log in portals and other applications for credential collection. Description adapted from MITRE ATT&CK®, © The MITRE Corporation, used under the ATT&CK Terms of Use.",
  "changelog": [
    {
      "date": "2026-11-08",
      "change": "Entry created from MITRE ATT&CK Enterprise v20.1 (group G1041)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/sea-turtle.html",
  "sources": {
    "mitre-g1041": {
      "title": "Sea Turtle, Group G1041",
      "publisher": "MITRE ATT&CK",
      "url": "https://attack.mitre.org/groups/G1041/",
      "published": "2026-07-31",
      "tier": 2,
      "checked": "2026-11-08"
    }
  }
}