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Windows Office Product Spawned Uncommon Process

The following analytic detects a Microsoft Office product spawning uncommon processes. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process creation events where Office…

Description

The following analytic detects a Microsoft Office product spawning uncommon processes. This detection leverages data from Endpoint Detection and Response (EDR) agents, focusing on process creation events where Office applications are the parent process. This activity is significant as it may indicate an attempt of a malicious macro execution or exploitation of an unknown vulnerability in an office product, in order to bypass security controls. If confirmed malicious, this behavior could allow an attacker to execute arbitrary code, potentially leading to system compromise, data exfiltration, or further lateral movement within the network.

Detection logic

Detection requirements

Platform
LinuxmacOSWindows

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

Known benign triggers

  • False positives should be limited, however filter as needed.

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