{ "type": "bundle", "id": "bundle--57b3273b-7588-4042-9276-4eb4950d210f", "objects": [ { "type": "identity", "spec_version": "2.1", "id": "identity--55f6ea5f-fd34-43b8-ac1d-40cb950d210f", "created": "2016-08-16T14:47:42.000Z", "modified": "2016-08-16T14:47:42.000Z", "name": "CthulhuSPRL.be", "identity_class": "organization" }, { "type": "report", "spec_version": "2.1", "id": "report--57b3273b-7588-4042-9276-4eb4950d210f", "created_by_ref": "identity--55f6ea5f-fd34-43b8-ac1d-40cb950d210f", "created": "2016-08-16T14:47:42.000Z", "modified": "2016-08-16T14:47:42.000Z", "name": "Rule to detect KirBi ticket for Mimikatz by Benjamin Delpy with Contribution of Didier Stevens", "published": "2016-08-16T14:47:46Z", "object_refs": [ "indicator--57b32756-3d4c-457f-b651-4357950d210f", "observed-data--57b32761-e19c-462f-b657-4ffe950d210f", "url--57b32761-e19c-462f-b657-4ffe950d210f" ], "labels": [ "Threat-Report", "misp:tool=\"MISP-STIX-Converter\"" ], "object_marking_refs": [ "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9" ] }, { "type": "indicator", "spec_version": "2.1", "id": "indicator--57b32756-3d4c-457f-b651-4357950d210f", "created_by_ref": "identity--55f6ea5f-fd34-43b8-ac1d-40cb950d210f", "created": "2016-08-16T14:46:46.000Z", "modified": "2016-08-16T14:46:46.000Z", "pattern": "[rule mimikatz_kirbi_ticket\r\n{\r\n\tmeta:\r\n\t\tdescription\t\t= \"KiRBi ticket for mimikatz\"\r\n\t\tauthor\t\t\t= \"Benjamin DELPY (gentilkiwi); Didier Stevens\"\r\n\r\n\tstrings:\r\n\t\t$asn1\t\t\t= { 76 82 ?? ?? 30 82 ?? ?? a0 03 02 01 05 a1 03 02 01 16 }\r\n\t\t$asn1_84\t\t= { 76 84 ?? ?? ?? ?? 30 84 ?? ?? ?? ?? a0 84 00 00 00 03 02 01 05 a1 84 00 00 00 03 02 01 16 }\r\n\r\n\tcondition:\r\n\t\t$asn1 at 0 or $asn1_84 at 0\r\n}]", "pattern_type": "yara", "pattern_version": "2.1", "valid_from": "2016-08-16T14:46:46Z", "kill_chain_phases": [ { "kill_chain_name": "misp-category", "phase_name": "Artifacts dropped" } ], "labels": [ "misp:type=\"yara\"", "misp:category=\"Artifacts dropped\"", "misp:to_ids=\"True\"" ] }, { "type": "observed-data", "spec_version": "2.1", "id": "observed-data--57b32761-e19c-462f-b657-4ffe950d210f", "created_by_ref": "identity--55f6ea5f-fd34-43b8-ac1d-40cb950d210f", "created": "2016-08-16T14:46:57.000Z", "modified": "2016-08-16T14:46:57.000Z", "first_observed": "2016-08-16T14:46:57Z", "last_observed": "2016-08-16T14:46:57Z", "number_observed": 1, "object_refs": [ "url--57b32761-e19c-462f-b657-4ffe950d210f" ], "labels": [ "misp:type=\"link\"", "misp:category=\"External analysis\"" ] }, { "type": "url", "spec_version": "2.1", "id": "url--57b32761-e19c-462f-b657-4ffe950d210f", "value": "https://github.com/Neo23x0/signature-base/blob/master/yara/gen_kirbi_mimkatz.yar" }, { "type": "marking-definition", "spec_version": "2.1", "id": "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9", "created": "2017-01-20T00:00:00.000Z", "definition_type": "tlp", "name": "TLP:WHITE", "definition": { "tlp": "white" } } ] }