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AWS IAM SAML Provider Created

Detects the creation of a new SAML Identity Provider (IdP) in AWS IAM. SAML providers enable federated authentication between AWS and external identity providers, allowing users to access AWS resources using…

Description

Detects the creation of a new SAML Identity Provider (IdP) in AWS IAM. SAML providers enable federated authentication between AWS and external identity providers, allowing users to access AWS resources using credentials from the external IdP. Adversaries who have gained administrative access may create rogue SAML providers to establish persistent, federated access to AWS accounts that survives credential rotation. This technique allows attackers to assume roles and access resources by forging SAML assertions from an IdP they control. Creating a SAML provider is a rare administrative action that should be closely monitored and validated against authorized infrastructure changes.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source category
event_index

Known benign triggers

  • SAML providers may be created during legitimate identity federation setup, SSO integration projects, or infrastructure-as-code deployments. Verify whether the user identity and timing align with approved change management processes. If this is expected administrative activity, it can be exempted from the rule.

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