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ESXi Admin Permission Assigned To Account Via ESXCLI

Sigma Rules

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Summary
This rule is designed to detect potential unauthorized assignment of administrative permissions to accounts on VMware ESXi systems via the ESXCLI command-line interface. It specifically identifies executions of the 'esxcli' command that include both 'system' and 'permission' flags alongside keywords related to setting an admin role. Such command executions can indicate malicious activities or misconfigurations that compromise the security posture of the ESXi host. Detection occurs through monitoring process creation logs for the specified command patterns. This rule helps in identifying high-risk actions that could be detrimental if performed by unauthorized users or adversaries.
Categories
  • Infrastructure
  • Cloud
  • Linux
Data Sources
  • Process
Created: 2023-09-04