Microsoft Office Process Spawning a Suspicious One-Liner

The
Microsoft Office Process Spawning a Suspicious One-Liner
alert triggers when one of the Microsoft Office processes spawns a suspicious one-liner command line, which has rarely been seen in your organization.

Synopsis

10 minutes
3 days
14 days
10 min
Cortex XDR agent endpoint data.
Severity
Medium

Description

A Microsoft Office process spawned a commonly-abused process with a full command, a behavior that may be indicative of a spear phishing attachment.

Attacker's Goals

An attacker is trying to gain code execution on the host.

Investigative Actions

Check whether the command line executed is benign or normal for the host and/or user performing it. For example, employees working in finance may have need for complex Excel commands.

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