防护规避：向 AI 代理授予文件夹级 TokenCreator 角色

本文档介绍了 Security Command Center 中的一种威胁发现结果类型。当威胁检测器在您的云资源中检测到潜在威胁时，会生成威胁发现结果。如需查看可用威胁发现结果的完整列表，请参阅威胁发现结果索引。

概览

在文件夹级向 AI 智能体授予了 Service Account Token Creator IAM 角色。默认情况下，这些发现结果会被归类为高 严重级别。

Event Threat Detection 是此发现结果的来源。

如何应答

如需响应此发现结果，请执行以下操作：

查看发现结果详细信息

  1. 按照查看发现结果中所述，打开 Defense Evasion: Folder Level TokenCreator Role Granted to AI Agent 发现结果。查看摘要和 JSON 标签页中的详细信息。

  2. 找出系统在接近的时间为此资源生成的其他发现结果。相关发现结果可能表明此活动是恶意活动，而不是未遵循最佳实践。

  3. 查看受影响资源的设置。

  4. 检查受影响资源的日志。

研究攻击和响应方法

查看此发现结果类型的 MITRE ATT&CK 框架条目： 访问令牌操纵：令牌冒充/窃取。

发现结果 JSON 示例

以下是发现结果 JSON 的示例，其中省略了默认值。

{
  "finding": {
    "name": "organizations/ORGANIZATION_ID/sources/SOURCE_ID/locations/global/findings/FINDING_ID",
    "parent": "organizations/ORGANIZATION_ID/sources/SOURCE_ID/locations/global",
    "resourceName": "//cloudresourcemanager.googleapis.com/folders/PROJECT_NUMBER",
    "state": "ACTIVE",
    "category": "Defense Evasion: Folder Level TokenCreator Role Granted to AI Agent",
    "securityMarks": {
      "name": "organizations/ORGANIZATION_ID/sources/SOURCE_ID/locations/global/findings/FINDING_ID/securityMarks"
    },
    "eventTime": "TIMESTAMP",
    "createTime": "TIMESTAMP",
    "severity": "HIGH",
    "canonicalName": "folders/PROJECT_NUMBER/sources/SOURCE_ID/locations/global/findings/FINDING_ID",
    "findingClass": "THREAT",
    "contacts": {
      "security": {
        "contacts": [
          {
            "email": "USER_EMAIL"
          }
        ]
      }
    },
    "access": {
      "principalEmail": "PRINCIPAL_EMAIL",
      "callerIp": "IP_ADDRESS",
      "userAgent": "USER_AGENT",
      "serviceName": "cloudresourcemanager.googleapis.com",
      "methodName": "SetIamPolicy",
      "principalSubject": "user:PRINCIPAL_EMAIL"
    },
    "mitreAttack": {
      "primaryTactic": "DEFENSE_EVASION",
      "primaryTechniques": [
        "ACCOUNT_MANIPULATION"
      ],
      "additionalTactics": [
        "PRIVILEGE_ESCALATION"
      ],
      "additionalTechniques": [
        "ADDITIONAL_CLOUD_ROLES"
      ]
    },
    "iamBindings": [
      {
        "action": "ADD",
        "role": "roles/iam.serviceAccountTokenCreator",
        "member": "serviceAccount:service-PROJECT_NUMBER@gcp-sa-aiplatform-re."
      }
    ],
    "parentDisplayName": "Event Threat Detection",
    "domains": [
      {
        "category": "AI"
      },
      {
        "category": "IDENTITY_AND_ACCESS"
      }
    ],
    "logEntries": [
      {
        "cloudLoggingEntry": {
          "insertId": "INSERT_ID",
          "logId": "cloudaudit.googleapis.com/activity",
          "resourceContainer": "folders/PROJECT_NUMBER",
          "timestamp": "TIMESTAMP"
        }
      }
    ]
  },
  "resource": {
    "name": "//cloudresourcemanager.googleapis.com/folders/PROJECT_NUMBER",
    "displayName": "agentengine",
    "type": "google.cloud.resourcemanager.Folder",
    "cloudProvider": "GOOGLE_CLOUD_PLATFORM",
    "service": "cloudresourcemanager.googleapis.com",
    "gcpMetadata": {
      "parent": "//cloudresourcemanager.googleapis.com/organizations/ORGANIZATION_ID",
      "parentDisplayName": "ORGANIZATION_DISPLAY_NAME",
      "folders": [
        {
          "resourceFolder": "//cloudresourcemanager.googleapis.com/folders/PROJECT_NUMBER",
          "resourceFolderDisplayName": "agentengine"
        }
      ],
      "organization": "organizations/ORGANIZATION_ID"
    },
    "resourcePath": {
      "nodes": [
        {
          "nodeType": "GCP_FOLDER",
          "id": "folders/PROJECT_NUMBER",
          "displayName": "agentengine"
        },
        {
          "nodeType": "GCP_ORGANIZATION",
          "id": "organizations/ORGANIZATION_ID"
        }
      ]
    },
    "resourcePathString": "organizations/ORGANIZATION_ID/folders/PROJECT_NUMBER"
  },
  "sourceProperties": {
    "sourceId": {
      "folderNumber": "PROJECT_NUMBER",
      "customerOrganizationNumber": "ORGANIZATION_ID"
    },
    "detectionCategory": {
      "ruleName": "ai_agent_granted_token_creator_role_folder"
    },
    "detectionPriority": "HIGH",
    "affectedResources": [
      {
        "gcpResourceName": "//cloudresourcemanager.googleapis.com/folders/PROJECT_NUMBER"
      }
    ],
    "evidence": [
      {
        "sourceLogId": {
          "resourceContainer": "folders/PROJECT_NUMBER",
          "timestamp": {
            "seconds": "TIMESTAMP_SECONDS",
            "nanos": TIMESTAMP_NANOS
          },
          "insertId": "INSERT_ID",
          "logId": "cloudaudit.googleapis.com/activity"
        }
      }
    ],
    "findingId": "FINDING_ID",
    "contextUris": {
      "mitreUri": {
        "displayName": "MITRE Link",
        "url": "https://attack.mitre.org/techniques/T1098/003/"
      },
      "cloudLoggingQueryUri": [
        {
          "displayName": "Cloud Logging Query Link",
          "url": "https://console.cloud.google.com/logs/query;query=timestamp%3D%22TIMESTAMP%22%0AinsertId%3D%22INSERT_ID%22?folder=PROJECT_NUMBER"
        }
      ]
    },
    "domains": [
      {
        "category": "AI"
      },
      {
        "category": "IDENTITY_AND_ACCESS"
      }
    ]
  }
}

后续步骤