Внедрение образа контейнера
Adversaries may implant cloud or container images with malicious code to establish persistence after gaining access to an environment. Amazon Web Services (AWS) Amazon Machine Images (AMIs), Google Cloud Platform (GCP) Images, and Azure Images as well as popular container runtimes such as Docker can be implanted or backdoored. Unlike Upload Malware, this technique focuses on adversaries implanting an image in a registry within a victim’s environment. Depending on how the infrastructure is provisioned, this could provide persistent access if the infrastructure provisioning tool is instructed to always use the latest image.(Citation: Rhino Labs Cloud Image Backdoor Technique Sept 2019) A tool has been developed to facilitate planting backdoors in cloud container images.(Citation: Rhino Labs Cloud Backdoor September 2019) If an adversary has access to a compromised AWS instance, and permissions to list the available container images, they may implant a backdoor such as a Web Shell.(Citation: Rhino Labs Cloud Image Backdoor Technique Sept 2019)
Контрмеры |
|
| Контрмера | Описание |
|---|---|
| Code Signing |
Enforce binary and application integrity with digital signature verification to prevent untrusted code from executing. |
| Privileged Account Management |
Manage the creation, modification, use, and permissions associated to privileged accounts, including SYSTEM and root. |
| Audit |
Perform audits or scans of systems, permissions, insecure software, insecure configurations, etc. to identify potential weaknesses. |
Обнаружение
Monitor interactions with images and containers by users to identify ones that are added or modified anomalously. In containerized environments, changes may be detectable by monitoring the Docker daemon logs or setting up and monitoring Kubernetes audit logs depending on registry configuration.
Ссылки
- Rhino Labs. (2019, September). Cloud Container Attack Tool (CCAT). Retrieved September 12, 2019.
- Rhino Labs. (2019, August). Exploiting AWS ECR and ECS with the Cloud Container Attack Tool (CCAT). Retrieved September 12, 2019.
- Docker. (2019, October 10). Content trust in Docker. Retrieved October 16, 2019.
- Microsoft. (2019, September 5). Content trust in Azure Container Registry. Retrieved October 16, 2019.
Каталоги
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