Impacto: Comandos de criptominería

En este documento, se describe un tipo de hallazgo de amenazas de Security Command Center. Los detectores de amenazas generan hallazgos de amenazas cuando identifican una posible amenaza en tus recursos de Cloud. Para obtener una lista completa de los hallazgos de amenazas disponibles, consulta el Índice de hallazgos de amenazas.

Descripción general

Se pasaron comandos de criptominería conocidos a trabajos de Cloud Run como puntos de entrada que se ejecutan cuando se ejecuta el trabajo.

Event Threat Detection es la fuente de este hallazgo.

Cómo responder

El siguiente plan de respuesta podría ser adecuado para este hallazgo, pero también podría afectar las operaciones. Evalúa con cuidado la información que recopilas en tu investigación para determinar la mejor manera de resolver los hallazgos.

Para responder a este hallazgo, sigue los pasos que se indican a continuación:

  1. Verifica el trabajo, el comando y el contenedor para determinar si esto era lo esperado.
  2. Borra el trabajo y el contenedor comprometidos.

Ejemplo de JSON de hallazgo

A continuación, se muestra un ejemplo del JSON del hallazgo.

{
  "finding": {
    "access": {
      "callerIpGeo": {},
      "serviceName": "run.googleapis.com",
      "methodName": "/Jobs.CreateJob"
    },
    "application": {},
    "attackExposure": {},
    "canonicalName": "projects/PROJECT_NUMBER/sources/SOURCE_ID/locations/global/findings/FINDING_ID",
    "category": "Impact: Cryptomining Commands",
    "chokepoint": {},
    "cloudDlpDataProfile": {},
    "cloudDlpInspection": {},
    "containers": [
      {
        "imageId": "CONTAINER_IMAGE_ID",
        "labels": [
          {
            "name": "command",
            "value": "getblockchaininfo"
          }
        ],
        "createTime": "1970-01-01T00:00:00Z"
      }
    ],
    "createTime": "2025-05-06T01:19:09.854Z",
    "database": {},
    "dataProtectionKeyGovernance": {},
    "eventTime": "2025-05-06T01:19:08.853Z",
    "exfiltration": {},
    "findingClass": "THREAT",
    "findingProviderId": "organizations/ORGANIZATION_ID/firstPartyFindingProviders/etd",
    "indicator": {},
    "kernelRootkit": {},
    "kubernetes": {},
    "logEntries": [
      {
        "cloudLoggingEntry": {
          "insertId": "INSERT_ID",
          "logId": "cloudaudit.googleapis.com/system_event",
          "resourceContainer": "projects/PROJECT_ID",
          "timestamp": "2025-05-06T01:18:02.533391Z"
        }
      }
    ],
    "mitreAttack": {
      "primaryTactic": "IMPACT",
      "primaryTechniques": [
        "RESOURCE_HIJACKING"
      ]
    },
    "mute": "UNDEFINED",
    "muteInfo": {
      "staticMute": {
        "state": "UNDEFINED",
        "applyTime": "1970-01-01T00:00:00Z"
      }
    },
    "muteUpdateTime": "1970-01-01T00:00:00Z",
    "name": "organizations/ORGANIZATION_ID/sources/SOURCE_ID/locations/global/findings/FINDING_ID",
    "parent": "organizations/ORGANIZATION_ID/sources/SOURCE_ID/locations/global",
    "parentDisplayName": "Event Threat Detection",
    "resourceName": "//cloudresourcemanager.googleapis.com/projects/PROJECT_NUMBER",
    "securityPosture": {},
    "severity": "HIGH",
    "state": "ACTIVE",
    "vulnerability": {},
    "externalSystems": {}
  },
  "resource": {
    "name": "//cloudresourcemanager.googleapis.com/projects/PROJECT_NUMBER",
    "displayName": "PROJECT_ID",
    "type": "google.cloud.resourcemanager.Project",
    "cloudProvider": "GOOGLE_CLOUD_PLATFORM",
    "service": "cloudresourcemanager.googleapis.com",
    "gcpMetadata": {
      "project": "//cloudresourcemanager.googleapis.com/projects/PROJECT_NUMBER",
      "projectDisplayName": "PROJECT_ID",
      "parent": "//cloudresourcemanager.googleapis.com/folders/FOLDER_NUMBER",
      "parentDisplayName": "FOLDER_NAME",
      "folders": [
        {
          "resourceFolder": "//cloudresourcemanager.googleapis.com/folders/FOLDER_NUMBER",
          "resourceFolderDisplayName": "FOLDER_NAME"
        }
      ],
      "organization": "organizations/ORGANIZATION_ID"
    },
    "resourcePath": {
      "nodes": [
        {
          "nodeType": "GCP_PROJECT",
          "id": "projects/PROJECT_NUMBER",
          "displayName": "PROJECT_ID"
        },
        {
          "nodeType": "GCP_FOLDER",
          "id": "folders/FOLDER_NUMBER",
          "displayName": "FOLDER_NAME"
        },
        {
          "nodeType": "GCP_ORGANIZATION",
          "id": "organizations/ORGANIZATION_ID"
        }
      ]
    },
    "resourcePathString": "organizations/ORGANIZATION_ID/folders/FOLDER_NUMBER/projects/PROJECT_NUMBER"
  },
  "sourceProperties": {
    "sourceId": {
      "projectNumber": "PROJECT_NUMBER",
      "customerOrganizationNumber": "ORGANIZATION_ID"
    },
    "detectionCategory": {
      "ruleName": "cloud_run_jobs_cryptomining_commands"
    },
    "detectionPriority": "HIGH",
    "affectedResources": [
      {
        "gcpResourceName": "//run.googleapis.com/namespaces/PROJECT_ID/jobs/JOB_NAME"
      },
      {
        "gcpResourceName": "//cloudresourcemanager.googleapis.com/projects/PROJECT_NUMBER"
      }
    ],
    "evidence": [
      {
        "sourceLogId": {
          "projectId": "PROJECT_ID",
          "resourceContainer": "projects/PROJECT_ID",
          "timestamp": {
            "seconds": "1746494282",
            "nanos": 533391000
          },
          "insertId": "INSERT_ID",
          "logId": "cloudaudit.googleapis.com/system_event"
        }
      }
    ],
    "properties": {},
    "findingId": "FINDING_ID",
    "contextUris": {
      "mitreUri": {
        "displayName": "MITRE Link",
        "url": "https://attack.mitre.org/techniques/T1496/"
      },
      "cloudLoggingQueryUri": [
        {
          "displayName": "Cloud Logging Query Link",
          "url": "LINK_TO_LOG_QUERY"
        }
      ],
      "relatedFindingUri": {}
    }
  }
}

¿Qué sigue?