Windows Share Mount Via Net.EXE

Detects when a share is mounted using the "net.exe" utility

Sigma rule (View on GitHub)

 1title: Windows Share Mount Via Net.EXE
 2id: f117933c-980c-4f78-b384-e3d838111165
 3related:
 4    - id: 3abd6094-7027-475f-9630-8ab9be7b9725
 5      type: similar
 6status: test
 7description: Detects when a share is mounted using the "net.exe" utility
 8references:
 9    - https://drive.google.com/file/d/1lKya3_mLnR3UQuCoiYruO3qgu052_iS_/view
10author: Nasreddine Bencherchali (Nextron Systems)
11date: 2023/02/02
12modified: 2023/02/21
13tags:
14    - attack.lateral_movement
15    - attack.t1021.002
16logsource:
17    category: process_creation
18    product: windows
19detection:
20    selection_img:
21        - Image|endswith:
22              - '\net.exe'
23              - '\net1.exe'
24        - OriginalFileName:
25              - 'net.exe'
26              - 'net1.exe'
27    selection_cli:
28        CommandLine|contains:
29            - ' use '
30            - ' \\\\'
31    condition: all of selection_*
32falsepositives:
33    - Legitimate activity by administrators and scripts
34level: low

References

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