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Cloud Services (T1021.007) is a MITRE ATT&CK technique associated with Lateral Movement . Adversaries may log into accessible cloud services within a compromised environment using Valid Accounts that are synchronized with or federated to on premises user identities.
Cloud Services (T1021.007) is a MITRE ATT&CK technique associated with Lateral Movement. Adversaries may log into accessible cloud services within a compromised environment using Valid Accounts that are synchronized with or federated to on-premises user identities.
Attackers use Cloud Services because it provides a reliable way to advance their objective within the Lateral Movement tactic, often with a favorable balance of impact versus detectability on IaaS, Identity Provider, Office Suite, SaaS environments. Defenders should assess this behavior in the context of the affected platform and adjacent activity rather than treating it as a standalone indicator.
Adversaries may log into accessible cloud services within a compromised environment using Valid Accounts that are synchronized with or federated to on-premises user identities. The adversary may then perform management actions or access cloud-hosted resources as the logged-on user.
Many enterprises federate centrally managed user identities to cloud services, allowing users to login with their domain credentials in order to access the cloud control plane. Similarly, adversaries may connect to available cloud services through the web console or through the cloud command line interface (CLI) (e.g., Cloud API), using commands such as <code>Connect-AZAccount</code> for Azure PowerShell, <code>Connect-MgGraph</code> for Microsoft Graph PowerShell, and <code>gcloud auth login</code> for the Google Cloud CLI.
In some cases, adversaries may be able to authenticate to these services via Application Access Token instead of a username and password.
No universal command represents Cloud Services. Capture the exact command line, arguments, parent process, account, host, and execution time from the investigated environment; do not operationalize unverified examples.
| Event ID | Log Channel | What It Indicates |
|---|---|---|
| Not universally applicable | Validate platform coverage | This technique may not produce a Windows event; use telemetry native to the affected platform. |
| Sysmon Event ID | Name | Why It's Relevant Here |
|---|---|---|
| Environment-specific | Validate configured telemetry | Use process, network, file, registry, DNS, or image-load telemetry only when relevant and enabled. |
No MITRE detection guidance published for this technique.
Relevant ATT&CK Data Sources: N/A
A universal Sigma rule would create unreliable results because this technique has no single guaranteed observable. Build detection logic from a documented behavior and supported data source, scope it to the affected platform, and validate it against benign administrative activity before deployment.
Start with the data sources named in the detection section. Scope searches by asset, identity, and time window; correlate the primary behavior with preceding access and subsequent actions. A portable query is intentionally not provided where the technique lacks a universal schema or observable.