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AWS VPC Flow Logs Deleted

Sigma Rules

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Summary
This detection rule identifies potential malicious activity by flagging the deletion of AWS VPC Flow Logs via the DeleteFlowLogs API call. Flow logs are critical for understanding network activity and forensic investigations. By monitoring for this specific event, organizations can detect potential attempts by adversaries to erase their traces or evade detection methodologies. The rule focuses on events labeled with 'DeleteFlowLogs' while also checking for a successful operation denoted by an error code of 'Success' or a null error code. It is crucial for enhancing visibility into network security and preventing the obfuscation of malicious actions in the AWS environment.
Categories
  • Cloud
  • AWS
Data Sources
  • Cloud Service
  • Logon Session
Created: 2025-10-19