Windows Mail App Mailbox Access Via PowerShell Script

title: Windows Mail App Mailbox Access Via PowerShell Script
id: 4e485d01-e18a-43f6-a46b-ef20496fa9d3
status: test
description: Detects PowerShell scripts that try to access the default Windows MailApp MailBox. This indicates manipulation of or access to the stored emails of a user. E.g. this could be used by an attacker to exfiltrate or delete the content of the emails.
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/02cb591f75064ffe1e0df9ac3ed5972a2e491c97/atomics/T1070.008/T1070.008.md
author: frack113
date: 2023-07-08
tags:
    - attack.stealth
    - attack.t1070.008
    - detection.threat-hunting
logsource:
    product: windows
    category: ps_script
    definition: bade5735-5ab0-4aa7-a642-a11be0e40872
detection:
    selection:
        ScriptBlockText|contains: '\Comms\Unistore\data'
    condition: selection
falsepositives:
    - Unknown
level: medium