Source assertions are not new attribution claims. No sole inventor or transitive actor-CVE inference.
{
  "record": {
    "id": "ATTACK:enterprise:T1688",
    "title": "Safe Mode Boot",
    "type": "Technique",
    "source_url": "https://attack.mitre.org/techniques/T1688",
    "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--c7660f19-f8c5-4ae3-a5e5-24381c270376",
    "external_id": "T1688",
    "domain": "enterprise",
    "created": "2026-04-14T22:53:27.979Z",
    "modified": "2026-05-12T15:12:00.716Z",
    "version": "1.0",
    "aliases": [

    ],
    "tactics": [
      "defense-impairment"
    ],
    "source_references": [
      {
        "source_name": "BleepingComputer REvil 2021",
        "url": "https://www.bleepingcomputer.com/news/security/revil-ransomware-has-a-new-windows-safe-mode-encryption-mode/"
      },
      {
        "source_name": "Sophos Safe Mode Boot",
        "url": "https://www.sophos.com/en-us/blog/snatch-ransomware-reboots-pcs-into-safe-mode-to-bypass-protection"
      },
      {
        "source_name": "Cybereason safe mode boot",
        "url": "https://www.cybereason.com/blog/research/medusalocker-ransomware"
      },
      {
        "source_name": "Microsoft Windows Startup Settings",
        "url": "https://support.microsoft.com/en-us/windows/windows-startup-settings-1af6ec8c-4d4a-4b23-adb7-e76eef0b847f"
      },
      {
        "source_name": "Microsoft bcdedit",
        "url": "https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/bcdedit"
      },
      {
        "source_name": "CyberArk Labs Safe Mode 2016",
        "url": "https://www.cyberark.com/resources/blog/cyberark-labs-from-safe-mode-to-domain-compromise"
      }
    ]
  },
  "assertions": [
    {
      "id": "enterprise:relationship--07969240-a4ee-44e7-a9ee-b3386c6222cd",
      "subject": "ATTACK:enterprise:M1054",
      "predicate": "mitigates",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--07969240-a4ee-44e7-a9ee-b3386c6222cd",
      "modified": "2026-04-29T14:23:05.914Z",
      "references": [
        {
          "source_name": "CyberArk Labs Safe Mode 2016",
          "url": "https://www.cyberark.com/resources/blog/cyberark-labs-from-safe-mode-to-domain-compromise"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--23c9b72a-ae73-4d2d-a127-34c33ae0311d",
      "subject": "ATTACK:enterprise:S1247",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--23c9b72a-ae73-4d2d-a127-34c33ae0311d",
      "modified": "2026-04-29T14:23:05.954Z",
      "references": [
        {
          "source_name": "ESET Embargo Ransomware October 2024",
          "url": "https://www.welivesecurity.com/en/eset-research/embargo-ransomware-rocknrust/"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--3b089236-9b2f-40ee-9230-6961de8a60be",
      "subject": "ATTACK:enterprise:S1053",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--3b089236-9b2f-40ee-9230-6961de8a60be",
      "modified": "2026-04-29T14:23:06.002Z",
      "references": [
        {
          "source_name": "Costa AvosLocker May 2022",
          "url": "https://www.linkedin.com/pulse/raas-avoslocker-incident-response-analysis-fl%C3%A1vio-costa?trk=articles_directory"
        },
        {
          "source_name": "Trend Micro AvosLocker Apr 2022",
          "url": "https://www.trendmicro.com/vinfo/us/security/news/ransomware-spotlight/ransomware-spotlight-avoslocker"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--50484fcd-8b37-4a95-9705-49006ba0edd5",
      "subject": "ATTACK:enterprise:M1026",
      "predicate": "mitigates",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--50484fcd-8b37-4a95-9705-49006ba0edd5",
      "modified": "2026-04-29T14:23:06.035Z",
      "references": [
        {
          "source_name": "CyberArk Labs Safe Mode 2016",
          "url": "https://www.cyberark.com/resources/blog/cyberark-labs-from-safe-mode-to-domain-compromise"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--ac61af37-72e0-410f-96a9-453519a20747",
      "subject": "ATTACK:enterprise:S0496",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--ac61af37-72e0-410f-96a9-453519a20747",
      "modified": "2026-04-29T14:23:06.160Z",
      "references": [
        {
          "source_name": "BleepingComputer REvil 2021",
          "url": "https://www.bleepingcomputer.com/news/security/revil-ransomware-has-a-new-windows-safe-mode-encryption-mode/"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--bce6eb76-c438-41b0-8dca-6a2d29844abd",
      "subject": "ATTACK:enterprise:S1070",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--bce6eb76-c438-41b0-8dca-6a2d29844abd",
      "modified": "2026-04-29T14:23:06.183Z",
      "references": [
        {
          "source_name": "Avertium Black Basta June 2022",
          "url": "https://www.avertium.com/resources/threat-reports/in-depth-look-at-black-basta-ransomware"
        },
        {
          "source_name": "Cyble Black Basta May 2022",
          "url": "https://web.archive.org/web/20220506143054/https://blog.cyble.com/2022/05/06/black-basta-ransomware/"
        },
        {
          "source_name": "Palo Alto Networks Black Basta August 2022",
          "url": "https://unit42.paloaltonetworks.com/threat-assessment-black-basta-ransomware"
        },
        {
          "source_name": "Trend Micro Black Basta May 2022",
          "url": "https://www.trendmicro.com/en_us/research/22/e/examining-the-black-basta-ransomwares-infection-routine.html"
        },
        {
          "source_name": "Minerva Labs Black Basta May 2022",
          "url": "https://minerva-labs.com/blog/new-black-basta-ransomware-hijacks-windows-fax-service/"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--d6c69c31-f292-4939-82e2-addbd84604e9",
      "subject": "ATTACK:enterprise:S1242",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--d6c69c31-f292-4939-82e2-addbd84604e9",
      "modified": "2026-04-29T14:23:06.219Z",
      "references": [
        {
          "source_name": "Trend Micro Agenda Ransomware AUG 2022",
          "url": "https://www.trendmicro.com/en_us/research/22/h/new-golang-ransomware-agenda-customizes-attacks.html"
        },
        {
          "source_name": "BushidoToken Qilin RaaS JUN 2024",
          "url": "https://blog.bushidotoken.net/2024/06/tracking-adversaries-qilin-raas.html"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--e683db23-0a9e-408f-8197-7d88c52f360a",
      "subject": "ATTACK:enterprise:S1202",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--e683db23-0a9e-408f-8197-7d88c52f360a",
      "modified": "2026-04-29T14:23:06.239Z",
      "references": [
        {
          "source_name": "Joint Cybersecurity Advisory LockBit 3.0 MAR 2023",
          "url": "https://www.cisa.gov/sites/default/files/2023-03/aa23-075a-stop-ransomware-lockbit.pdf"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    },
    {
      "id": "enterprise:relationship--ee04cde4-5567-4e30-b316-ead0c20e3f86",
      "subject": "ATTACK:enterprise:S1212",
      "predicate": "uses",
      "object": "ATTACK:enterprise:T1688",
      "asserted_by": "MITRE ATT&CK",
      "source_url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
      "snapshot": "enterprise-attack-20.0.json",
      "evidence_locator": "relationship--ee04cde4-5567-4e30-b316-ead0c20e3f86",
      "modified": "2026-04-29T14:23:06.249Z",
      "references": [
        {
          "source_name": "Group-IB RansomHub FEB 2025",
          "url": "https://www.group-ib.com/blog/ransomhub-never-sleeps-episode-1/"
        }
      ],
      "qualification": "Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.",
      "source_occurrences": 1
    }
  ],
  "source_snapshot": {
    "file": "enterprise-attack-20.0.json",
    "url": "https://raw.githubusercontent.com/mitre-attack/attack-stix-data/c2494b29dd268c46a5d0ea0990553e4327cd2253/enterprise-attack/enterprise-attack-20.0.json",
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    "bytes": 55271014,
    "checked_at": "2026-10-16T03:31:39Z"
  },
  "notices_url": "https://aol.pm/source-notices.txt",
  "notices": "License\n-------\nThe MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use ATT&CK® for research,\ndevelopment, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce\nMITRE's copyright designation and this license in any such copy.\n\n\"© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.\"\n\nDisclaimers\n-----------\nMITRE does not claim ATT&CK enumerates all possibilities for the types of actions and behaviors documented as part\nof its adversary model and framework of techniques. Using the information contained within ATT&CK to address or cover\nfull categories of techniques will not guarantee full defensive coverage as there may be undisclosed techniques or\nvariations on existing techniques not documented by ATT&CK.\n\nALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN ARE PROVIDED ON AN \"AS IS\" BASIS AND THE CONTRIBUTOR, THE\nORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS,\nAGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT\nTHE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR\nFITNESS FOR A PARTICULAR PURPOSE.\n"
}

License
-------
The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use ATT&CK® for research,
development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce
MITRE's copyright designation and this license in any such copy.

"© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation."

Disclaimers
-----------
MITRE does not claim ATT&CK enumerates all possibilities for the types of actions and behaviors documented as part
of its adversary model and framework of techniques. Using the information contained within ATT&CK to address or cover
full categories of techniques will not guarantee full defensive coverage as there may be undisclosed techniques or
variations on existing techniques not documented by ATT&CK.

ALL DOCUMENTS AND THE INFORMATION CONTAINED THEREIN ARE PROVIDED ON AN "AS IS" BASIS AND THE CONTRIBUTOR, THE
ORGANIZATION HE/SHE REPRESENTS OR IS SPONSORED BY (IF ANY), THE MITRE CORPORATION, ITS BOARD OF TRUSTEES, OFFICERS,
AGENTS, AND EMPLOYEES, DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT
THE USE OF THE INFORMATION THEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE.