{ "id": "229fc517-57be-4ea5-b92c-555bdf244a47", "created_at": "2026-04-06T00:06:56.742758Z", "updated_at": "2026-04-10T03:37:33.360496Z", "deleted_at": null, "sha1_hash": "76c2368c7cbddba9311b5b70f0fcabc781fffc7c", "title": "GitHub - mandiant/sunburst_countermeasures", "llm_title": "", "authors": "", "file_creation_date": "0001-01-01T00:00:00Z", "file_modification_date": "0001-01-01T00:00:00Z", "file_size": 31178, "plain_text": "GitHub - mandiant/sunburst_countermeasures\r\nBy Willi Ballenthin (Google)\r\nArchived: 2026-04-05 12:45:23 UTC\r\nFireEye Mandiant SunBurst Countermeasures\r\nThese rules are provided freely to the community without warranty.\r\nIn this GitHub repository you will find rules in multiple languages:\r\nSnort\r\nYara\r\nIOC\r\nClamAV\r\nThe rules are categorized and labeled into two release states:\r\nProduction: rules that are expected to perform with minimal tuning.\r\nSupplemental: rules that are known to require further environment-specific tuning and tweaking to\r\nperform, and are often used for hunting workflows.\r\nPlease check back to this GitHub for updates to these rules.\r\nFireEye customers can refer to the FireEye Community (community.fireeye.com) for information on how FireEye\r\nproducts detect these threats.\r\nThe entire risk as to quality and performance of these rules is with the users.\r\nPlease review the FireEye blog for additional details on this threat.\r\nPlease note: COSMICGALE and SUPERNOVA signatures and indicators are confirmed to detect malicious files\r\nand activity, however they have not been directly associated with the current UNC2452 Solarwinds compromise.\r\nSource: https://github.com/fireeye/sunburst_countermeasures\r\nhttps://github.com/fireeye/sunburst_countermeasures\r\nPage 1 of 1", "extraction_quality": 1, "language": "EN", "sources": [ "Malpedia", "MISPGALAXY", "ETDA" ], "references": [ "https://github.com/fireeye/sunburst_countermeasures" ], "report_names": [ "sunburst_countermeasures" ], "threat_actors": [ { "id": "b43e5ea9-d8c8-4efa-b5bf-f1efb37174ba", "created_at": "2022-10-25T16:07:24.36191Z", "updated_at": "2026-04-10T02:00:04.954902Z", "deleted_at": null, "main_name": "UNC2452", "aliases": [ "Dark Halo", "Nobelium", "SolarStorm", "StellarParticle", "UNC2452" ], "source_name": "ETDA:UNC2452", "tools": [], "source_id": "ETDA", "reports": null }, { "id": "1d3f9dec-b033-48a5-8b1e-f67a29429e89", "created_at": "2022-10-25T15:50:23.739197Z", "updated_at": "2026-04-10T02:00:05.275809Z", "deleted_at": null, "main_name": "UNC2452", "aliases": [ "UNC2452", "NOBELIUM", "StellarParticle", "Dark Halo" ], "source_name": "MITRE:UNC2452", "tools": [ "Sibot", "Mimikatz", "Cobalt Strike", "AdFind", "GoldMax" ], "source_id": "MITRE", "reports": null }, { "id": "5b748f86-ac32-4715-be9f-6cf25ae48a4e", "created_at": "2024-06-04T02:03:07.956135Z", "updated_at": "2026-04-10T02:00:03.689959Z", "deleted_at": null, "main_name": "IRON HEMLOCK", "aliases": [ "APT29 ", "ATK7 ", "Blue Kitsune ", "Cozy Bear ", "The Dukes", "UNC2452 ", "YTTRIUM " ], "source_name": "Secureworks:IRON HEMLOCK", "tools": [ "CosmicDuke", "CozyCar", "CozyDuke", "DiefenDuke", "FatDuke", "HAMMERTOSS", "LiteDuke", "MiniDuke", "OnionDuke", "PolyglotDuke", "RegDuke", "RegDuke Loader", "SeaDuke", "Sliver" ], "source_id": "Secureworks", "reports": null }, { "id": "a241a1ca-2bc9-450b-a07b-aae747ee2710", "created_at": "2024-06-19T02:03:08.150052Z", "updated_at": "2026-04-10T02:00:03.737173Z", "deleted_at": null, "main_name": "IRON RITUAL", "aliases": [ "APT29", "Blue Dev 5 ", "BlueBravo ", "Cloaked Ursa ", "CozyLarch ", "Dark Halo ", "Midnight Blizzard ", "NOBELIUM ", "StellarParticle ", "UNC2452 " ], "source_name": "Secureworks:IRON RITUAL", "tools": [ "Brute Ratel C4", "Cobalt Strike", "EnvyScout", "GoldFinder", "GoldMax", "NativeZone", "RAINDROP", "SUNBURST", "Sibot", "TEARDROP", "VaporRage" ], "source_id": "Secureworks", "reports": null }, { "id": "70872c3a-e788-4b55-a7d6-b2df52001ad0", "created_at": "2023-01-06T13:46:39.18401Z", "updated_at": "2026-04-10T02:00:03.239111Z", "deleted_at": null, "main_name": "UNC2452", "aliases": [ "DarkHalo", "StellarParticle", "NOBELIUM", "Solar Phoenix", "Midnight Blizzard" ], "source_name": "MISPGALAXY:UNC2452", "tools": [ "SNOWYAMBER", "HALFRIG", "QUARTERRIG" ], "source_id": "MISPGALAXY", "reports": null }, { "id": "20d3a08a-3b97-4b2f-90b8-92a89089a57a", "created_at": "2022-10-25T15:50:23.548494Z", "updated_at": "2026-04-10T02:00:05.292748Z", "deleted_at": null, "main_name": "APT29", "aliases": [ "APT29", "IRON RITUAL", "IRON HEMLOCK", "NobleBaron", "Dark Halo", "NOBELIUM", "UNC2452", "YTTRIUM", "The Dukes", "Cozy Bear", "CozyDuke", "SolarStorm", "Blue Kitsune", "UNC3524", "Midnight Blizzard" ], "source_name": "MITRE:APT29", "tools": [ "PinchDuke", "ROADTools", "WellMail", "CozyCar", "Mimikatz", "Tasklist", "OnionDuke", "FatDuke", "POSHSPY", "EnvyScout", "SoreFang", "GeminiDuke", "reGeorg", "GoldMax", "FoggyWeb", "SDelete", "PolyglotDuke", "AADInternals", "MiniDuke", "SeaDuke", "Sibot", "RegDuke", "CloudDuke", "GoldFinder", "AdFind", "PsExec", "NativeZone", "Systeminfo", "ipconfig", "Impacket", "Cobalt Strike", "PowerDuke", "QUIETEXIT", "HAMMERTOSS", "BoomBox", "CosmicDuke", "WellMess", "VaporRage", "LiteDuke" ], "source_id": "MITRE", "reports": null }, { "id": "f27790ff-4ee0-40a5-9c84-2b523a9d3270", "created_at": "2022-10-25T16:07:23.341684Z", "updated_at": "2026-04-10T02:00:04.549917Z", "deleted_at": null, "main_name": "APT 29", "aliases": [ "APT 29", "ATK 7", "Blue Dev 5", "BlueBravo", "Cloaked Ursa", "CloudLook", "Cozy Bear", "Dark Halo", "Earth Koshchei", "G0016", "Grizzly Steppe", "Group 100", "ITG11", "Iron Hemlock", "Iron Ritual", "Midnight Blizzard", "Minidionis", "Nobelium", "NobleBaron", "Operation Ghost", "Operation Office monkeys", "Operation StellarParticle", "SilverFish", "Solar Phoenix", "SolarStorm", "StellarParticle", "TEMP.Monkeys", "The Dukes", "UNC2452", "UNC3524", "Yttrium" ], "source_name": "ETDA:APT 29", "tools": [ "7-Zip", "ATI-Agent", "AdFind", "Agentemis", "AtNow", "BEATDROP", "BotgenStudios", "CEELOADER", "Cloud Duke", "CloudDuke", "CloudLook", "Cobalt Strike", "CobaltStrike", "CosmicDuke", "Cozer", "CozyBear", "CozyCar", "CozyDuke", "Danfuan", "EnvyScout", "EuroAPT", "FatDuke", "FoggyWeb", "GeminiDuke", "Geppei", "GoldFinder", "GoldMax", "GraphDrop", "GraphicalNeutrino", "GraphicalProton", "HAMMERTOSS", "HammerDuke", "LOLBAS", "LOLBins", "LiteDuke", "Living off the Land", "MagicWeb", "Mimikatz", "MiniDionis", "MiniDuke", "NemesisGemina", "NetDuke", "OnionDuke", "POSHSPY", "PinchDuke", "PolyglotDuke", "PowerDuke", "QUIETEXIT", "ROOTSAW", "RegDuke", "Rubeus", "SNOWYAMBER", "SPICYBEAT", "SUNSHUTTLE", "SeaDaddy", "SeaDask", "SeaDesk", "SeaDuke", "Sharp-SMBExec", "SharpView", "Sibot", "Solorigate", "SoreFang", "TinyBaron", "WINELOADER", "WellMail", "WellMess", "cobeacon", "elf.wellmess", "reGeorg", "tDiscoverer" ], "source_id": "ETDA", "reports": null } ], "ts_created_at": 1775434016, "ts_updated_at": 1775792253, "ts_creation_date": 0, "ts_modification_date": 0, "files": { "pdf": "https://archive.orkl.eu/76c2368c7cbddba9311b5b70f0fcabc781fffc7c.pdf", "text": "https://archive.orkl.eu/76c2368c7cbddba9311b5b70f0fcabc781fffc7c.txt", "img": "https://archive.orkl.eu/76c2368c7cbddba9311b5b70f0fcabc781fffc7c.jpg" } }