Command and Scripting Interpreter: Cloud API
Other sub-techniques of Command and Scripting Interpreter (11)
Adversaries may abuse cloud APIs to execute malicious commands. APIs available in cloud environments provide various functionalities and are a feature-rich method for programmatic access to nearly all aspects of a tenant. These APIs may be utilized through various methods such as command line interpreters (CLIs), in-browser Cloud Shells, PowerShell modules like Azure for PowerShell(Citation: Microsoft - Azure PowerShell), or software developer kits (SDKs) available for languages such as Python. Cloud API functionality may allow for administrative access across all major services in a tenant such as compute, storage, identity and access management (IAM), networking, and security policies. With proper permissions (often via use of credentials such as Application Access Token and Web Session Cookie), adversaries may abuse cloud APIs to invoke various functions that execute malicious actions. For example, CLI and PowerShell functionality may be accessed through binaries installed on cloud-hosted or on-premises hosts or accessed through a browser-based cloud shell offered by many cloud platforms (such as AWS, Azure, and GCP). These cloud shells are often a packaged unified environment to use CLI and/or scripting modules hosted as a container in the cloud environment.
Примеры процедур |
|
| Название | Описание |
|---|---|
| Pacu |
Pacu leverages the AWS CLI for its operations.(Citation: GitHub Pacu) |
| TeamTNT |
TeamTNT has leveraged AWS CLI to enumerate cloud environments with compromised credentials.(Citation: Talos TeamTNT) |
| APT29 |
APT29 has leveraged the Microsoft Graph API to perform various actions across Azure and M365 environments. They have also utilized AADInternals PowerShell Modules to access the API (Citation: MSTIC Nobelium Toolset May 2021) |
Контрмеры |
|
| Контрмера | Описание |
|---|---|
| Execution Prevention |
Block execution of code on a system through application control, and/or script blocking. |
| Privileged Account Management |
Manage the creation, modification, use, and permissions associated to privileged accounts, including SYSTEM and root. |
Ссылки
- Microsoft. (2014, December 12). Azure/azure-powershell. Retrieved March 24, 2023.
- Rhino Security Labs. (2019, August 22). Pacu. Retrieved October 17, 2019.
- Darin Smith. (2022, April 21). TeamTNT targeting AWS, Alibaba. Retrieved July 8, 2022.
- MSTIC. (2021, May 28). Breaking down NOBELIUM’s latest early-stage toolset. Retrieved August 4, 2021.
Связанные риски
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