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Phishing

Technique · ATTACK:enterprise:T1566

Attributed source ↗ · Plaintext record · Complete record and assertions JSON

Inspect structured metadata and provenance
{
  "id": "ATTACK:enterprise:T1566",
  "title": "Phishing",
  "type": "Technique",
  "source_url": "https://attack.mitre.org/techniques/T1566",
  "snapshot": "enterprise-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": "attack-pattern--a62a8db3-f23a-4d8f-afd6-9dbc77e7813b",
  "external_id": "T1566",
  "domain": "enterprise",
  "created": "2020-03-02T18:45:07.892Z",
  "modified": "2026-09-18T01:13:52.216Z",
  "version": "2.8",
  "aliases": [

  ],
  "tactics": [
    "initial-access"
  ],
  "source_references": [
    {
      "source_name": "phishing-krebs",
      "url": "https://krebsonsecurity.com/2024/03/thread-hijacking-phishes-that-prey-on-your-curiosity/"
    },
    {
      "source_name": "CISA Remote Monitoring and Management Software",
      "url": "https://www.cisa.gov/uscert/ncas/alerts/aa23-025a"
    },
    {
      "source_name": "cyberproof-double-bounce",
      "url": "https://blog.cyberproof.com/blog/double-bounced-attacks-with-email-spoofing-2022-trends"
    },
    {
      "source_name": "Unit42 Luna Moth",
      "url": "https://unit42.paloaltonetworks.com/luna-moth-callback-phishing/"
    },
    {
      "source_name": "Microsoft OAuth Spam 2022",
      "url": "https://www.microsoft.com/en-us/security/blog/2022/09/22/malicious-oauth-applications-used-to-compromise-email-servers-and-spread-spam/"
    },
    {
      "source_name": "sygnia Luna Month",
      "url": "https://blog.sygnia.co/luna-moth-false-subscription-scams"
    },
    {
      "source_name": "Proofpoint-spoof",
      "url": "https://www.proofpoint.com/us/threat-reference/email-spoofing"
    },
    {
      "source_name": "Palo Alto Unit 42 VBA Infostealer 2014",
      "url": "https://unit42.paloaltonetworks.com/examining-vba-initiated-infostealer-campaign/"
    }
  ]
}

Explicit source assertions (21)

First 80 shown here; the complete set is in this record’s JSON and plaintext. Each relationship retains its source and locator. No inferred relationships are added.

ATTACK:enterprise:S0009 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--0866161a-0753-44ab-bb14-a977654ddc68

Novetta-Axiom

ATTACK:enterprise:G0094 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--09a59267-dab8-4bd3-b1e5-d5ab9cb1853a

Mandiant APT43 March 2024 · MSFT-AI

ATTACK:enterprise:M1047 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--12fc907f-4ed1-4d44-a40b-12bfa8b89082

ATTACK:enterprise:S1139 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--1787ebc1-29a3-4d93-ba24-baf11a4a7d19

SentinelOne INC Ransomware

ATTACK:enterprise:G1055 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--18f5dc98-f6fd-489a-ab3e-93f3c613e82e

DOJ FBI Handala Hack March 2026 · Domain Tools Handala Hack Karma Homeland Justice MOIS April 2026

ATTACK:enterprise:G1032 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--1ee6640f-978b-4402-a6a7-c74e7c8e1c4b

SentinelOne INC Ransomware · SOCRadar INC Ransom January 2024

ATTACK:enterprise:T1566.002 → subtechnique-of → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--3819b66b-51e4-440d-93cf-12e8b6892e3e

ATTACK:enterprise:M1031 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--76588f90-79b8-4a61-ae07-3321393e5707

ATTACK:enterprise:M1054 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--7b090d29-d49d-4967-9843-90636bfb039f

ACSC Email Spoofing · Microsoft Anti Spoofing

ATTACK:enterprise:T1566.001 → subtechnique-of → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--83540a4e-9f12-4792-a541-910bb8fd0fe4

ATTACK:enterprise:G0069 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--895309ee-7a67-4ea6-be96-35fd2e9bffc1

NaumaanProofpoint_GlobalClickFix_April2025

ATTACK:enterprise:T1566.004 → subtechnique-of → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--9ef6f961-f383-4674-9c5c-6f5984cabee7

ATTACK:enterprise:M1021 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--a205b0ce-df00-40ae-b626-7dc3e8146d45

ATTACK:enterprise:G1041 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--a9860318-23fa-4a76-bbe4-b3f7ccd7b9c5

Talos Sea Turtle 2019

ATTACK:enterprise:T1566.003 → subtechnique-of → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--c7ab9f46-f60e-4156-b56f-415e39bc7dd9

ATTACK:enterprise:G0001 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--d738cc0a-6d6f-41d9-88d0-9fe83bacad55

Cisco Group 72 · Novetta-Axiom

ATTACK:enterprise:G1049 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--dbaed920-c55d-4762-8279-91aac835bbfc

dtex DPRK 2025 structure ITworkers

ATTACK:enterprise:S1073 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--eb4bcd20-8bd2-4dd2-bbac-f784058ee9dc

CISA Royal AA23-061A March 2023 · Cybereason Royal December 2022 · Kroll Royal Deep Dive February 2023

ATTACK:enterprise:M1049 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--ed821f5e-9527-4fbb-ae76-37a79592dfb6

ATTACK:enterprise:M1017 → mitigates → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--ee935350-f68f-4bd7-bfca-878ae48a2b97

ATTACK:enterprise:G0115 → uses → ATTACK:enterprise:T1566

MITRE ATT&CK: Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.

Assertion source · Locator: relationship--f7aab529-962c-4bb8-812b-d63e0f8df494

Secureworks REvil September 2019

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