{"record":{"id":"ATTACK:enterprise:G0125","title":"HAFNIUM","type":"IntrusionSet","source_url":"https://attack.mitre.org/groups/G0125","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":"intrusion-set--2688b13e-8e71-405a-9c40-0dee94bddf87","external_id":"G0125","domain":"enterprise","created":"2021-03-03T19:40:47.280Z","modified":"2026-07-31T18:47:43.478Z","version":"3.0","aliases":["HAFNIUM","Operation Exchange Marauder","Silk Typhoon"],"tactics":[],"source_references":[{"source_name":"Silk Typhoon"},{"source_name":"Operation Exchange Marauder"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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 Silk Typhoon MAR 2025","url":"https://www.microsoft.com/en-us/security/blog/2025/03/05/silk-typhoon-targeting-it-supply-chain/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}]},"assertions":[{"id":"enterprise:relationship--02c3ea88-c33c-47d8-a34a-532ed5498a3d","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1592.004","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--02c3ea88-c33c-47d8-a34a-532ed5498a3d","modified":"2026-07-31T18:47:43.955Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--0502f3b2-8ec0-444e-830f-d77e703544a8","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1110.003","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--0502f3b2-8ec0-444e-830f-d77e703544a8","modified":"2026-07-31T18:47:43.980Z","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--05ff481d-299f-4b72-9210-f07e7c5bf938","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1105","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--05ff481d-299f-4b72-9210-f07e7c5bf938","modified":"2026-09-03T19:46:53.752Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--067696dc-a106-42d7-9fc9-31c4865879e8","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S1011","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--067696dc-a106-42d7-9fc9-31c4865879e8","modified":"2026-07-31T18:47:44.048Z","references":[{"source_name":"Tarrask scheduled task","url":"https://www.microsoft.com/security/blog/2022/04/12/tarrask-malware-uses-scheduled-tasks-for-defense-evasion/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--079eaba3-fdea-4551-b126-6e824136e6f5","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1583.006","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--079eaba3-fdea-4551-b126-6e824136e6f5","modified":"2026-07-31T18:47:44.090Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--0b7dfe49-d8c3-46d8-84ed-bf1898638ac3","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1560.001","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--0b7dfe49-d8c3-46d8-84ed-bf1898638ac3","modified":"2026-07-31T18:47:44.113Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--12cfc154-5240-47ce-ba54-ec40f8a6d13d","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1005","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--12cfc154-5240-47ce-ba54-ec40f8a6d13d","modified":"2026-07-31T18:47:44.130Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"},{"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--16b574c0-8e09-44ae-b4d2-b79e8bbd576a","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1583.005","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--16b574c0-8e09-44ae-b4d2-b79e8bbd576a","modified":"2026-07-31T18:47:44.147Z","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--1ffb7c73-5c51-48a3-85a0-b64111cccdd1","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1033","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--1ffb7c73-5c51-48a3-85a0-b64111cccdd1","modified":"2026-07-31T18:47:44.164Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--24f5e8ad-02e9-43d5-9f82-cd9cc1b7a7b6","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1213.002","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--24f5e8ad-02e9-43d5-9f82-cd9cc1b7a7b6","modified":"2026-09-02T20:00:41.250Z","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--2b28f78f-fc26-44cb-bf06-fb437252d97e","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1068","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--2b28f78f-fc26-44cb-bf06-fb437252d97e","modified":"2026-07-31T18:47:44.196Z","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--30719028-6cad-4bc2-a97e-7012eeee5bbf","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1584.005","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--30719028-6cad-4bc2-a97e-7012eeee5bbf","modified":"2026-07-31T18:47:44.216Z","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--3f7c9ed8-62c0-44fe-9eb1-68b3c226e598","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1059.003","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--3f7c9ed8-62c0-44fe-9eb1-68b3c226e598","modified":"2026-07-31T18:47:44.232Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--41561c6a-7749-4607-a8d1-c094631b4aaa","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S0073","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--41561c6a-7749-4607-a8d1-c094631b4aaa","modified":"2026-07-31T18:47:44.255Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--465d0043-32d0-4ec9-84a6-c0f455f9a33b","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1057","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--465d0043-32d0-4ec9-84a6-c0f455f9a33b","modified":"2026-07-31T18:47:44.271Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--467d9812-8d19-4fca-a2fd-5a8e1dbb43f7","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1003.001","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--467d9812-8d19-4fca-a2fd-5a8e1dbb43f7","modified":"2026-07-31T18:47:44.291Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--4fd56621-eb11-43b9-b90f-e6739af43660","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S0357","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--4fd56621-eb11-43b9-b90f-e6739af43660","modified":"2026-07-31T18:47:44.304Z","references":[{"source_name":"Tarrask scheduled task","url":"https://www.microsoft.com/security/blog/2022/04/12/tarrask-malware-uses-scheduled-tasks-for-defense-evasion/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--577f5fe4-3fb4-4969-a5a4-5b7c1bc693a8","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S0029","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--577f5fe4-3fb4-4969-a5a4-5b7c1bc693a8","modified":"2026-07-31T18:47:44.322Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--5afc74e6-789b-4402-89d2-cc7be1994cf5","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1530","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--5afc74e6-789b-4402-89d2-cc7be1994cf5","modified":"2026-07-31T18:47:44.336Z","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--5e1a2fcd-bb4e-43b2-8f42-33fb5bf80b21","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1119","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--5e1a2fcd-bb4e-43b2-8f42-33fb5bf80b21","modified":"2026-07-31T18:47:44.357Z","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--6f917518-2f54-479e-a008-cbf6bd6037c0","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S1155","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--6f917518-2f54-479e-a008-cbf6bd6037c0","modified":"2026-07-31T18:47:44.371Z","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/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--73e8d90b-62e2-4ea2-b66c-2c94297bdcc5","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1590","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--73e8d90b-62e2-4ea2-b66c-2c94297bdcc5","modified":"2026-07-31T18:47:44.397Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--746c3746-a4e3-4fcb-849c-a1646e48a1bf","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1505.003","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--746c3746-a4e3-4fcb-849c-a1646e48a1bf","modified":"2026-07-31T18:47:44.406Z","references":[{"source_name":"FireEye Exchange Zero Days March 2021","url":"https://www.fireeye.com/blog/threat-research/2021/03/detection-response-to-exploitation-of-microsoft-exchange-zero-day-vulnerabilities.html"},{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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/"},{"source_name":"Tarrask scheduled task","url":"https://www.microsoft.com/security/blog/2022/04/12/tarrask-malware-uses-scheduled-tasks-for-defense-evasion/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--76bef74f-4820-4838-b56e-b59ae71ac170","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1589.002","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--76bef74f-4820-4838-b56e-b59ae71ac170","modified":"2026-07-31T18:47:44.431Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--78682fae-51e0-4397-b8ab-3348ad5609c2","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1555.006","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--78682fae-51e0-4397-b8ab-3348ad5609c2","modified":"2026-07-31T18:47:44.456Z","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--7ce696b0-6d76-4f54-ae4f-4e7115255a5d","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1593.003","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--7ce696b0-6d76-4f54-ae4f-4e7115255a5d","modified":"2026-07-31T18:47:44.478Z","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--80efda4a-36a7-4b59-9f70-72f4952e2140","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1567.002","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--80efda4a-36a7-4b59-9f70-72f4952e2140","modified":"2026-07-31T18:47:44.510Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--885c54ee-078a-4cc2-a2a1-c7376767b6b6","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1114.002","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--885c54ee-078a-4cc2-a2a1-c7376767b6b6","modified":"2026-09-09T18:44:33.829Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--94a67c86-e7f6-4874-b41f-83a3bfc35be3","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1218.011","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--94a67c86-e7f6-4874-b41f-83a3bfc35be3","modified":"2026-07-31T18:47:44.551Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--951774ce-173c-4aaf-a6e3-515ba497d523","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:S0020","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--951774ce-173c-4aaf-a6e3-515ba497d523","modified":"2026-07-31T18:47:44.582Z","references":[{"source_name":"FireEye Exchange Zero Days March 2021","url":"https://www.fireeye.com/blog/threat-research/2021/03/detection-response-to-exploitation-of-microsoft-exchange-zero-day-vulnerabilities.html"},{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--996765a6-6c8a-429d-baa5-32d423fb4207","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1078.003","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--996765a6-6c8a-429d-baa5-32d423fb4207","modified":"2026-07-31T18:47:44.604Z","references":[{"source_name":"FireEye Exchange Zero Days March 2021","url":"https://www.fireeye.com/blog/threat-research/2021/03/detection-response-to-exploitation-of-microsoft-exchange-zero-day-vulnerabilities.html"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a1625ff1-af65-4dbb-b192-3c462fae1acf","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1059.001","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--a1625ff1-af65-4dbb-b192-3c462fae1acf","modified":"2026-07-31T18:47:44.626Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--ab6a59bc-fa67-4d6f-ab55-e5cb35f62839","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1564.001","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--ab6a59bc-fa67-4d6f-ab55-e5cb35f62839","modified":"2026-07-31T18:47:44.648Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--baaa6228-daa9-45e9-884e-42add3851843","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1016.001","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--baaa6228-daa9-45e9-884e-42add3851843","modified":"2026-07-31T18:47:44.670Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--be93a442-915b-4923-b7dd-0a20098fe264","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1016","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--be93a442-915b-4923-b7dd-0a20098fe264","modified":"2026-07-31T18:47:44.701Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--c8a0a286-1296-4f87-bc6e-322cd956fb73","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1590.005","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--c8a0a286-1296-4f87-bc6e-322cd956fb73","modified":"2026-07-31T18:47:44.722Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"}],"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--cc12f7b7-05a6-4078-b9b5-411e2a2836ba","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1078.004","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--cc12f7b7-05a6-4078-b9b5-411e2a2836ba","modified":"2026-07-31T18:47:44.764Z","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--cf249a85-b0e9-4264-899f-164cdfa5a7c8","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1083","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--cf249a85-b0e9-4264-899f-164cdfa5a7c8","modified":"2026-07-31T18:47:44.785Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--d1197689-ff2e-4a0e-ad1e-69bb14c8822d","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1003.003","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--d1197689-ff2e-4a0e-ad1e-69bb14c8822d","modified":"2026-07-31T18:47:44.805Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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--d2edfaee-154b-4566-b85c-740e591477d9","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1098","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--d2edfaee-154b-4566-b85c-740e591477d9","modified":"2026-07-31T18:47:44.828Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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--d814a304-f957-4e7c-9890-30a6d5be39bd","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1136.002","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--d814a304-f957-4e7c-9890-30a6d5be39bd","modified":"2026-07-31T18:47:44.848Z","references":[{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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--dca36cf3-4501-4682-9d3e-df148b46792e","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1071.001","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--dca36cf3-4501-4682-9d3e-df148b46792e","modified":"2026-09-03T19:47:03.948Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--de7f9b12-d6e7-4ef6-b55c-77bbca0f8c83","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1018","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--de7f9b12-d6e7-4ef6-b55c-77bbca0f8c83","modified":"2026-07-31T18:47:44.884Z","references":[{"source_name":"Rapid7 HAFNIUM Mar 2021","url":"https://www.rapid7.com/blog/post/2021/03/23/defending-against-the-zero-day-analyzing-attacker-behavior-post-exploitation-of-microsoft-exchange/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--e4f78cff-0b68-42b0-9fa7-ffc493a67980","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1550.001","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--e4f78cff-0b68-42b0-9fa7-ffc493a67980","modified":"2026-07-31T18:47:44.905Z","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--e5c8f8fd-2231-4d95-be4d-3757a4592907","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1685.005","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--e5c8f8fd-2231-4d95-be4d-3757a4592907","modified":"2026-07-31T18:47:44.932Z","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--e8e6f472-e048-401c-8a2e-5e2effc09040","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1190","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--e8e6f472-e048-401c-8a2e-5e2effc09040","modified":"2026-07-31T18:47:44.950Z","references":[{"source_name":"FireEye Exchange Zero Days March 2021","url":"https://www.fireeye.com/blog/threat-research/2021/03/detection-response-to-exploitation-of-microsoft-exchange-zero-day-vulnerabilities.html"},{"source_name":"Volexity Exchange Marauder March 2021","url":"https://www.volexity.com/blog/2021/03/02/active-exploitation-of-microsoft-exchange-zero-day-vulnerabilities/"},{"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/"},{"source_name":"Tarrask scheduled task","url":"https://www.microsoft.com/security/blog/2022/04/12/tarrask-malware-uses-scheduled-tasks-for-defense-evasion/"},{"source_name":"Microsoft Log4j Vulnerability Exploitation December 2021","url":"https://www.microsoft.com/en-us/security/blog/2021/12/11/guidance-for-preventing-detecting-and-hunting-for-cve-2021-44228-log4j-2-exploitation/"},{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--f503c254-b86c-433e-8107-585c53f23b6e","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1095","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--f503c254-b86c-433e-8107-585c53f23b6e","modified":"2026-09-03T19:46:59.556Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--f8fe4311-f367-42bb-a51d-688753d0218b","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1132.001","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--f8fe4311-f367-42bb-a51d-688753d0218b","modified":"2026-09-03T19:46:58.845Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--fedcb717-2453-4c77-8f05-8a28f934725e","subject":"ATTACK:enterprise:G0125","predicate":"uses","object":"ATTACK:enterprise:T1583.003","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--fedcb717-2453-4c77-8f05-8a28f934725e","modified":"2026-07-31T18:47:45.011Z","references":[{"source_name":"Microsoft HAFNIUM March 2020","url":"https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/"}],"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"}