Powershell Local Email Collection

Adversaries may target user email on local systems to collect sensitive information. Files containing email data can be acquired from a users local system, such as Outlook storage or cache files.

Sigma rule (View on GitHub)

 1title: Powershell Local Email Collection
 2id: 2837e152-93c8-43d2-85ba-c3cd3c2ae614
 3status: test
 4description: |
 5    Adversaries may target user email on local systems to collect sensitive information.
 6    Files containing email data can be acquired from a users local system, such as Outlook storage or cache files.    
 7references:
 8    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1114.001/T1114.001.md
 9author: frack113
10date: 2021/07/21
11modified: 2022/12/25
12tags:
13    - attack.collection
14    - attack.t1114.001
15logsource:
16    product: windows
17    category: ps_script
18    definition: 'Requirements: Script Block Logging must be enabled'
19detection:
20    selection:
21        ScriptBlockText|contains:
22            - 'Get-Inbox.ps1'
23            - 'Microsoft.Office.Interop.Outlook'
24            - 'Microsoft.Office.Interop.Outlook.olDefaultFolders'
25            - '-comobject outlook.application'
26    condition: selection
27falsepositives:
28    - Unknown
29level: medium

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