{"record":{"id":"ATTACK:enterprise:T1505.004","title":"IIS Components","type":"Subtechnique","source_url":"https://attack.mitre.org/techniques/T1505/004","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--b46a801b-fd98-491c-a25a-bca25d6e3001","external_id":"T1505.004","domain":"enterprise","created":"2021-06-03T18:44:29.770Z","modified":"2025-10-24T17:49:15.437Z","version":"1.1","aliases":[],"tactics":["persistence"],"source_references":[{"source_name":"Dell TG-3390","url":"https://www.secureworks.com/research/threat-group-3390-targets-organizations-for-cyberespionage"},{"source_name":"Unit 42 RGDoor Jan 2018","url":"https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/"},{"source_name":"Trustwave IIS Module 2013","url":"https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/the-curious-case-of-the-malicious-iis-module/"},{"source_name":"ESET IIS Malware 2021","url":"https://i.blackhat.com/USA21/Wednesday-Handouts/us-21-Anatomy-Of-Native-Iis-Malware-wp.pdf"},{"source_name":"IIS Backdoor 2011","url":"https://web.archive.org/web/20170106175935/http:/esec-lab.sogeti.com/posts/2011/02/02/iis-backdoor.html"},{"source_name":"Microsoft IIS Modules Overview 2007","url":"https://docs.microsoft.com/en-us/iis/get-started/introduction-to-iis/iis-modules-overview"},{"source_name":"Microsoft ISAPI Extension All Incoming 2017","url":"https://docs.microsoft.com/en-us/previous-versions/iis/6.0-sdk/ms525696(v=vs.90)"},{"source_name":"Microsoft ISAPI Extension Overview 2017","url":"https://docs.microsoft.com/en-us/previous-versions/iis/6.0-sdk/ms525172(v=vs.90)"},{"source_name":"Microsoft ISAPI Filter Overview 2017","url":"https://docs.microsoft.com/en-us/previous-versions/iis/6.0-sdk/ms524610(v=vs.90)"},{"source_name":"MMPC ISAPI Filter 2012","url":"https://web.archive.org/web/20140804175025/http:/blogs.technet.com/b/mmpc/archive/2012/10/03/malware-signed-with-the-adobe-code-signing-certificate.aspx"}]},"assertions":[{"id":"enterprise:relationship--05ae3ecc-6920-4828-b708-f0acdf0e2ff3","subject":"ATTACK:enterprise:M1026","predicate":"mitigates","object":"ATTACK:enterprise:T1505.004","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--05ae3ecc-6920-4828-b708-f0acdf0e2ff3","modified":"2026-04-29T14:23:05.911Z","references":[],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--2c0b0d7b-239c-4514-9f32-1abb8aa44dbc","subject":"ATTACK:enterprise:S0258","predicate":"uses","object":"ATTACK:enterprise:T1505.004","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--2c0b0d7b-239c-4514-9f32-1abb8aa44dbc","modified":"2026-04-29T14:23:05.964Z","references":[{"source_name":"Unit 42 RGDoor Jan 2018","url":"https://researchcenter.paloaltonetworks.com/2018/01/unit42-oilrig-uses-rgdoor-iis-backdoor-targets-middle-east/"},{"source_name":"ESET IIS Malware 2021","url":"https://i.blackhat.com/USA21/Wednesday-Handouts/us-21-Anatomy-Of-Native-Iis-Malware-wp.pdf"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--5dedb236-b37b-4e6b-bd3d-a09ddc1e9c17","subject":"ATTACK:enterprise:T1505.004","predicate":"subtechnique-of","object":"ATTACK:enterprise:T1505","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--5dedb236-b37b-4e6b-bd3d-a09ddc1e9c17","modified":"2026-04-29T14:23:06.053Z","references":[],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--652ba0d5-1bd3-4dcb-93c5-f339ffdae886","subject":"ATTACK:enterprise:S1022","predicate":"uses","object":"ATTACK:enterprise:T1505.004","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--652ba0d5-1bd3-4dcb-93c5-f339ffdae886","modified":"2026-04-29T14:23:06.063Z","references":[{"source_name":"CrowdStrike IceApple May 2022","url":"https://www.crowdstrike.com/wp-content/uploads/2022/05/crowdstrike-iceapple-a-novel-internet-information-services-post-exploitation-framework.pdf"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--7742d5c6-6987-4a87-92e9-c213880d911a","subject":"ATTACK:enterprise:M1038","predicate":"mitigates","object":"ATTACK:enterprise:T1505.004","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--7742d5c6-6987-4a87-92e9-c213880d911a","modified":"2026-04-29T14:23:06.088Z","references":[{"source_name":"Microsoft ISAPICGIRestriction 2016","url":"https://docs.microsoft.com/en-us/iis/configuration/system.webserver/security/isapicgirestriction/"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--9f93da44-6aa1-4f59-95c7-89c849423da9","subject":"ATTACK:enterprise:M1047","predicate":"mitigates","object":"ATTACK:enterprise:T1505.004","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--9f93da44-6aa1-4f59-95c7-89c849423da9","modified":"2026-04-29T14:23:06.142Z","references":[],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a2c0d9fd-5ce9-4df1-8218-771b111bc1e4","subject":"ATTACK:enterprise:C0022","predicate":"uses","object":"ATTACK:enterprise:T1505.004","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--a2c0d9fd-5ce9-4df1-8218-771b111bc1e4","modified":"2026-07-31T21:14:22.774Z","references":[{"source_name":"McAfee Lazarus Jul 2020","url":"https://www.mcafee.com/blogs/other-blogs/mcafee-labs/operation-north-star-a-job-offer-thats-too-good-to-be-true/?hilite=%27Operation%27%2C%27North%27%2C%27Star%27"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--a49c8e4c-876a-4771-a1e5-f54aad2f0fcd","subject":"ATTACK:enterprise:C0058","predicate":"uses","object":"ATTACK:enterprise:T1505.004","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--a49c8e4c-876a-4771-a1e5-f54aad2f0fcd","modified":"2026-07-31T18:47:18.837Z","references":[{"source_name":"Microsoft SharePoint Exploit JUL 2025","url":"https://www.microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/#storm-2603"}],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--b736ab77-4dd6-4c80-8b8a-d15446436e0e","subject":"ATTACK:enterprise:M1045","predicate":"mitigates","object":"ATTACK:enterprise:T1505.004","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--b736ab77-4dd6-4c80-8b8a-d15446436e0e","modified":"2026-04-29T14:23:06.175Z","references":[],"qualification":"Source assertion; no new actor identity, alias equivalence, CVE exploitation or causal inference. Procedure prose omitted.","source_occurrences":1},{"id":"enterprise:relationship--c1884e62-7b2e-45a1-89fd-c76b1b717f50","subject":"ATTACK:enterprise:S0072","predicate":"uses","object":"ATTACK:enterprise:T1505.004","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--c1884e62-7b2e-45a1-89fd-c76b1b717f50","modified":"2026-04-29T14:23:06.190Z","references":[{"source_name":"Dell TG-3390","url":"https://www.secureworks.com/research/threat-group-3390-targets-organizations-for-cyberespionage"}],"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"}