Threat Huntmediumtest
Windows Mail App Mailbox Access Via PowerShell Script
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.
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Hunting Hypothesis
Log Source
WindowsPowerShell Script
ProductWindows← raw: windows
CategoryPowerShell Script← raw: ps_script
Definition
bade5735-5ab0-4aa7-a642-a11be0e40872
Detection Logic
Detection Logic1 selector
detection:
selection:
ScriptBlockText|contains: '\Comms\Unistore\data'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Tactics
Sub-techniques
Other
detection.threat-hunting
Rule Metadata
Rule ID
4e485d01-e18a-43f6-a46b-ef20496fa9d3
Status
test
Level
medium
Type
Threat Hunt
Created
Sat Jul 08
Author
Path
rules-threat-hunting/windows/powershell/powershell_script/posh_ps_mailbox_access.yml
Raw Tags
attack.defense-evasionattack.t1070.008detection.threat-hunting