
title: Persistent Outlook Landing Pages
author: Tobias Michalski
date: 2021/06/09
description: Detects the manipulation of persistent URLs which can be malicious
detection:
  SELECTION_1:
    EventID: 12
  SELECTION_2:
    EventID: 13
  SELECTION_3:
    EventID: 14
  SELECTION_4:
    TargetObject:
    - '*Software\Microsoft\Office\\*'
    - '*Outlook\WebView\\*'
  SELECTION_5:
    TargetObject: '*URL'
  SELECTION_6:
    TargetObject:
    - '*Calendar*'
    - '*Inbox*'
  condition: ((SELECTION_1 or SELECTION_2 or SELECTION_3) and SELECTION_4 and SELECTION_5
    and SELECTION_6)
falsepositives:
- unknown
fields:
- Details
id: ddd171b5-2cc6-4975-9e78-f0eccd08cc76
level: high
logsource:
  category: registry_event
  product: windows
modified: 2021/09/17
references:
- https://speakerdeck.com/heirhabarov/hunting-for-persistence-via-microsoft-exchange-server-or-outlook?slide=70
- https://support.microsoft.com/en-us/topic/outlook-home-page-feature-is-missing-in-folder-properties-d207edb7-aa02-46c5-b608-5d9dbed9bd04?ui=en-us&rs=en-us&ad=us
status: experimental
tags:
- attack.persistence
- attack.t1112
ruletype: SIGMA
