AWS Suspect Login Profile Manipulation

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AWS Suspect Login Profile Manipulation

Triggers

  • A source AWS account modifies the login profile of a target account, following which the target account accesses the AWS console.

Possible Root Causes

  • An attacker is enabling access to the console for credentials they have access to, to further their attack.
  • An administrator has enabled console access for another user within the environment.

Business Impact

  • Lateral movement may indicate that an adversary has established a foothold in the environment and is progressing towards their objective, increasing the risk of material impact.

Steps to Verify

  • Investigate the account context that performed the action for other signs of malicious activity.
  • Validate that any modifications are authorized, given the purpose and policies governing this resource.
  • If review indicates possible malicious actions or high-risk configuration, revert configuration and disable credentials associated with this alert then perform a comprehensive investigation.