APT33

{
  "id": "ATTACK:ics:G0064",
  "title": "APT33",
  "type": "IntrusionSet",
  "source_url": "https://attack.mitre.org/groups/G0064",
  "snapshot": "ics-attack-20.0.json",
  "status": "active",
  "rights": "Source metadata only; source notices retained; no operational prose or payloads",
  "review_status": "machine-extracted; source-specific checks passed, editorial review pending",
  "stix_id": "intrusion-set--fbd29c89-18ba-4c2d-b792-51c0adee049f",
  "external_id": "G0064",
  "domain": "ics",
  "created": "2018-04-18T17:59:24.739Z",
  "modified": "2026-07-31T20:48:52.730Z",
  "version": "2.0",
  "aliases": [
    "APT33",
    "HOLMIUM",
    "Elfin",
    "Peach Sandstorm"
  ],
  "tactics": [

  ],
  "source_references": [
    {
      "source_name": "APT33"
    },
    {
      "source_name": "HOLMIUM"
    },
    {
      "source_name": "Peach Sandstorm"
    },
    {
      "source_name": "Elfin"
    },
    {
      "source_name": "FireEye APT33 Webinar Sept 2017",
      "url": "https://www.brighttalk.com/webcast/10703/275683"
    },
    {
      "source_name": "Microsoft Threat Actor Naming July 2023",
      "url": "https://learn.microsoft.com/en-us/microsoft-365/security/intelligence/microsoft-threat-actor-naming?view=o365-worldwide"
    },
    {
      "source_name": "Microsoft Holmium June 2020",
      "url": "https://www.microsoft.com/security/blog/2020/06/18/inside-microsoft-threat-protection-mapping-attack-chains-from-cloud-to-endpoint/"
    },
    {
      "source_name": "FireEye APT33 Sept 2017",
      "url": "https://www.fireeye.com/blog/threat-research/2017/09/apt33-insights-into-iranian-cyber-espionage.html"
    },
    {
      "source_name": "Symantec Elfin Mar 2019",
      "url": "https://www.symantec.com/blogs/threat-intelligence/elfin-apt33-espionage"
    }
  ]
}