{"record":{"id":"ATTACK:enterprise:T1199","title":"Trusted Relationship","type":"Technique","source_url":"https://attack.mitre.org/techniques/T1199","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--9fa07bef-9c81-421e-a8e5-ad4366c5a925","external_id":"T1199","domain":"enterprise","created":"2018-04-18T17:59:24.739Z","modified":"2026-05-12T15:12:00.706Z","version":"2.4","aliases":[],"tactics":["initial-access"],"source_references":[{"source_name":"CISA IT Service Providers","url":"https://us-cert.cisa.gov/APTs-Targeting-IT-Service-Provider-Customers"},{"source_name":"Office 365 Delegated Administration","url":"https://support.microsoft.com/en-us/topic/partners-offer-delegated-administration-26530dc0-ebba-415b-86b1-b55bc06b073e?ui=en-us&rs=en-us&ad=us"}]},"assertions":[{"id":"enterprise:relationship--1567be6a-0231-4605-b92b-ae1bc5e1bb4e","subject":"ATTACK:enterprise:G0115","predicate":"uses","object":"ATTACK:enterprise:T1199","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--1567be6a-0231-4605-b92b-ae1bc5e1bb4e","modified":"2026-07-31T20:48:46.000Z","references":[{"source_name":"Secureworks REvil September 2019","url":"https://www.secureworks.com/research/revil-sodinokibi-ransomware"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--1cfd8afe-772b-45ee-9c3d-58188b709bf4","subject":"ATTACK:enterprise:G1059","predicate":"uses","object":"ATTACK:enterprise:T1199","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--1cfd8afe-772b-45ee-9c3d-58188b709bf4","modified":"2026-10-01T21:00:43.554Z","references":[{"source_name":"Mandiant_UNC1549TTPsTools_Nov2025","url":"https://cloud.google.com/blog/topics/threat-intelligence/analysis-of-unc1549-ttps-targeting-aerospace-defense"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--565d2d07-0e2e-44e5-bc37-5a64e49394ee","subject":"ATTACK:enterprise:G0007","predicate":"uses","object":"ATTACK:enterprise:T1199","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--565d2d07-0e2e-44e5-bc37-5a64e49394ee","modified":"2026-07-31T20:48:44.684Z","references":[{"source_name":"DOJ GRU Indictment Jul 2018","url":"https://cdn.cnn.com/cnn/2018/images/07/13/gru.indictment.pdf"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--690c6d2a-3e02-4eb9-b835-079c50c64adf","subject":"ATTACK:enterprise:G0027","predicate":"uses","object":"ATTACK:enterprise:T1199","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--690c6d2a-3e02-4eb9-b835-079c50c64adf","modified":"2026-07-31T18:48:29.016Z","references":[{"source_name":"Profero APT27 December 2020","url":"https://web.archive.org/web/20210104144857/https://shared-public-reports.s3-eu-west-1.amazonaws.com/APT27+turns+to+ransomware.pdf"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--884c3843-5065-4919-ad6e-0f77130b4d36","subject":"ATTACK:enterprise:M1032","predicate":"mitigates","object":"ATTACK:enterprise:T1199","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--884c3843-5065-4919-ad6e-0f77130b4d36","modified":"2026-04-29T14:23:06.111Z","references":[{"source_name":"Microsoft Nobelium Admin Privileges","url":"https://www.microsoft.com/security/blog/2021/10/25/nobelium-targeting-delegated-administrative-privileges-to-facilitate-broader-attacks"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--9528abfe-4897-4171-8e01-a0ceeb376a9a","subject":"ATTACK:enterprise:G0034","predicate":"uses","object":"ATTACK:enterprise:T1199","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--9528abfe-4897-4171-8e01-a0ceeb376a9a","modified":"2026-07-31T20:48:33.109Z","references":[{"source_name":"mandiant_apt44_unearthing_sandworm","url":"https://services.google.com/fh/files/misc/apt44-unearthing-sandworm.pdf"},{"source_name":"US District Court Indictment GRU Unit 74455 October 2020","url":"https://www.justice.gov/opa/press-release/file/1328521/download"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--99a96ac0-c93d-488b-8439-04d97716682c","subject":"ATTACK:enterprise:G0045","predicate":"uses","object":"ATTACK:enterprise:T1199","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--99a96ac0-c93d-488b-8439-04d97716682c","modified":"2026-07-31T18:47:44.213Z","references":[{"source_name":"FireEye APT10 April 2017","url":"https://www.fireeye.com/blog/threat-research/2017/04/apt10_menupass_grou.html"},{"source_name":"PWC Cloud Hopper Technical Annex April 2017","url":"https://www.pwc.co.uk/cyber-security/pdf/pwc-uk-operation-cloud-hopper-technical-annex-april-2017.pdf"},{"source_name":"Symantec Cicada November 2020","url":"https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/cicada-apt10-japan-espionage"},{"source_name":"DOJ APT10 Dec 2018","url":"https://www.justice.gov/opa/pr/two-chinese-hackers-associated-ministry-state-security-charged-global-computer-intrusion"},{"source_name":"District Court of NY APT10 Indictment December 2018","url":"https://www.justice.gov/opa/page/file/1122671/download"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a246ff9a-6414-461f-b392-ac37bc3716c0","subject":"ATTACK:enterprise:C0024","predicate":"uses","object":"ATTACK:enterprise:T1199","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--a246ff9a-6414-461f-b392-ac37bc3716c0","modified":"2026-07-31T18:47:27.144Z","references":[{"source_name":"CrowdStrike StellarParticle January 2022","url":"https://www.crowdstrike.com/blog/observations-from-the-stellarparticle-campaign/"},{"source_name":"Cybersecurity Advisory SVR TTP May 2021","url":"https://www.ncsc.gov.uk/files/Advisory-further-TTPs-associated-with-SVR-cyber-actors.pdf"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a42398e2-3daa-452a-80f8-f06660328f18","subject":"ATTACK:enterprise:M1018","predicate":"mitigates","object":"ATTACK:enterprise:T1199","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--a42398e2-3daa-452a-80f8-f06660328f18","modified":"2026-04-29T14:23:06.148Z","references":[{"source_name":"Office 365 Partner Relationships","url":"https://docs.microsoft.com/en-us/microsoft-365/commerce/manage-partners?view=o365-worldwide"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a4ec9b64-726b-4f6e-9115-98653d2bf8d4","subject":"ATTACK:enterprise:G1039","predicate":"uses","object":"ATTACK:enterprise:T1199","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--a4ec9b64-726b-4f6e-9115-98653d2bf8d4","modified":"2026-07-31T18:48:06.361Z","references":[{"source_name":"therecord_redcurl","url":"https://therecord.media/redcurl-hackers-russian-bank-australian-company"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--ae93611e-8520-4c12-8fbe-7437f33a4092","subject":"ATTACK:enterprise:G0016","predicate":"uses","object":"ATTACK:enterprise:T1199","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--ae93611e-8520-4c12-8fbe-7437f33a4092","modified":"2026-07-31T18:48:08.681Z","references":[{"source_name":"MSTIC Nobelium Oct 2021","url":"https://www.microsoft.com/security/blog/2021/10/25/nobelium-targeting-delegated-administrative-privileges-to-facilitate-broader-attacks/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--b0e3680e-6099-4f33-a45e-5e938a7e7085","subject":"ATTACK:enterprise:G1005","predicate":"uses","object":"ATTACK:enterprise:T1199","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--b0e3680e-6099-4f33-a45e-5e938a7e7085","modified":"2026-07-31T18:47:58.771Z","references":[{"source_name":"Microsoft POLONIUM June 2022","url":"https://www.microsoft.com/security/blog/2022/06/02/exposing-polonium-activity-and-infrastructure-targeting-israeli-organizations/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--ca446484-9d2d-464d-bb17-88914d6f9b36","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1199","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--ca446484-9d2d-464d-bb17-88914d6f9b36","modified":"2026-07-31T18:47:44.743Z","references":[{"source_name":"Microsoft Silk Typhoon MAR 2025","url":"https://www.microsoft.com/en-us/security/blog/2025/03/05/silk-typhoon-targeting-it-supply-chain/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--e2e2fb8d-6b89-4d49-bea9-cca54ae3e56d","subject":"ATTACK:enterprise:G1004","predicate":"uses","object":"ATTACK:enterprise:T1199","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--e2e2fb8d-6b89-4d49-bea9-cca54ae3e56d","modified":"2026-07-31T20:48:49.537Z","references":[{"source_name":"MSTIC DEV-0537 Mar 2022","url":"https://www.microsoft.com/security/blog/2022/03/22/dev-0537-criminal-actor-targeting-organizations-for-data-exfiltration-and-destruction/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--e59b9a1d-51cb-4ad8-b363-23ac4a7535ec","subject":"ATTACK:enterprise:G1055","predicate":"uses","object":"ATTACK:enterprise:T1199","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--e59b9a1d-51cb-4ad8-b363-23ac4a7535ec","modified":"2026-07-31T18:48:26.078Z","references":[{"source_name":"Check Point VOID MANTICORE Handala Hack March 2026","url":"https://research.checkpoint.com/2026/handala-hack-unveiling-groups-modus-operandi/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--ef3683c7-1514-4fa3-9c2d-477fb945982a","subject":"ATTACK:enterprise:G1041","predicate":"uses","object":"ATTACK:enterprise:T1199","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--ef3683c7-1514-4fa3-9c2d-477fb945982a","modified":"2026-07-31T18:47:57.925Z","references":[{"source_name":"Talos Sea Turtle 2019","url":"https://blog.talosintelligence.com/seaturtle/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--f0e9a1f7-8600-4558-9d2e-91126c42b126","subject":"ATTACK:enterprise:M1030","predicate":"mitigates","object":"ATTACK:enterprise:T1199","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--f0e9a1f7-8600-4558-9d2e-91126c42b126","modified":"2026-04-29T14:23:06.253Z","references":[],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--f3f0d678-c173-4817-8f61-803d7a8cc2e7","subject":"ATTACK:enterprise:G1045","predicate":"uses","object":"ATTACK:enterprise:T1199","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--f3f0d678-c173-4817-8f61-803d7a8cc2e7","modified":"2026-09-22T21:11:27.553Z","references":[{"source_name":"CISA_AA25-239ASaltTyphoon_Sept2025","url":"https://www.cisa.gov/news-events/cybersecurity-advisories/aa25-239a"}],"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","sha256":"81113ba98afa2928f3dcff62022539f7ce30c315c32e14422f11ff95ce534352","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"}