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Azure Run Command Script Child Process

Identifies process start events whose parent matches Azure Virtual Machine Run Command execution patterns on Windows or Linux. On Windows, Run Command often launches PowerShell with `-ExecutionPolicy Unrestricted`…

Description

Identifies process start events whose parent matches Azure Virtual Machine Run Command execution patterns on Windows or Linux. On Windows, Run Command often launches PowerShell with `-ExecutionPolicy Unrestricted` and a `script?.ps1` file; on Linux, the Azure Linux Agent (waagent) runs downloaded script.sh under "/var/lib/waagent/run-command/". Child process telemetry exposes the on-guest payload that cloud activity logs do not fully describe.

Detection logic

Its licence does not clear it for publishing here

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Detection requirements

Platform
ContainersESXiIaaSIdentity ProviderLinuxmacOSNetwork DevicesOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.

Log source category
event_index

Known benign triggers

  • Legitimate configuration management, extension deployment, or automation that uses Azure Run Command with the same PowerShell or shell script paths may match. Baseline approved VM names, script naming, and deployment windows before tuning.

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