{
  "node_id": "mitre-attack-t1027-014-polymorphic-code",
  "title": "MITRE ATT&CK T1027.014: Polymorphic Code (Enterprise Tactic TA0005 - Defense Evasion)",
  "domain": "Cybersecurity",
  "version": "1.0.0",
  "last_updated": "2026-05-25",
  "bluf": "MITRE ATT&CK T1027.014 (Polymorphic Code) is an Enterprise Defense Evasion sub-technique of T1027 (Obfuscated Files or Information). Adversaries may utilize polymorphic code (also known as metamorphic or mutating code) to evade detection. Polymorphic code is a type of software capable of changing its runtime footprint during code execution. With each execution of the software, the code is mutated into a different version of itself that achieves the same purpose or objective as the original. This functionality enables the malware to evade traditional signature-based defenses, such as antivirus and antimalware tools. Affected platforms: Windows, macOS, Linux. MITRE-documented mitigations include M1040 Behavior Prevention on Endpoint, M1049 Antivirus/Antimalware. The Center for Threat-Informed Defense maps this technique to NIST SP 800-53 Rev 5 controls AC-03, CM-02, CM-06, CM-07, SI-02, SI-03, SI-04, SI-07.",
  "paywall": {
    "status": "LOCKED",
    "unlock_cost_usd": "0.01",
    "skyfire_id": "41779894-ece2-4163-9761-b3b1b76e19b0"
  },
  "crosswalks": {
    "_available_keys": [
      "nist_framework",
      "iso_standard",
      "industry_mapping",
      "mitre_d3fend"
    ],
    "_note": "Full crosswalk values included in vault response"
  },
  "dependencies": [
    "nist-cybersecurity-framework-2-0",
    "iso-27001-2022",
    "nist-sp-800-53-r5",
    "cis-controls-v8",
    "mitre-attack-t1027-obfuscated-files-information"
  ],
  "primary_citations_count": 7
}