Adversaries may abuse Microsoft Outlook's Home Page feature to obtain persistence on a compromised system. Outlook Home Page is a legacy feature used to customize the presentation of Outlook folders. This feature allows for an internal or external URL to be loaded and presented whenever a folder is opened. A malicious HTML page can be crafted that will execute code when loaded by Outlook Home Page.(Citation: SensePost Outlook Home Page) Once malicious home pages have been added to the user’s mailbox, they will be loaded when Outlook is started. Malicious Home Pages will execute when the right Outlook folder is loaded/reloaded.(Citation: SensePost Outlook Home Page)

Linked Issues

Issuelinks
Linktyp Issue
is related to Techniques
is blocked by Update Software
is blocked by Detect Persistence via Outlook Home Page Exploitation
is blocked by Behavior Prevention on Endpoint
is blocked by Secure Baseline Configurations
is blocked by Phishing & Spam Protection
is blocked by Mobile Code
is blocked by Least Privilege
is blocked by Detonation Chambers (Sandboxes)
is blocked by Software & Firmware Patching
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