Sigma rule: Windows Share Mount Via Net.EXE

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ce9eb3f8cc61, updated 2023-02-21T00:00:00.000Z.

Rule

Title
Windows Share Mount Via Net.EXE
Status
test
Level
low
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2023-02-02
Modified
2023-02-21
File
rules/windows/process_creation/proc_creation_win_net_use_mount_share.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

product
windows
category
process_creation

Detection

selection_img:
    - Image|endswith:
          - '\net.exe'
          - '\net1.exe'
    - OriginalFileName:
          - 'net.exe'
          - 'net1.exe'
selection_cli:
    CommandLine|contains:
        - ' use '
        - ' \\\\'
condition: all of selection_*

False positives (as the rule lists them)

  • Legitimate activity by administrators and scripts

Tags

  • attack.lateral-movement
  • attack.t1021.002

MITRE ATT&CK ids this rule names

Related rules

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_net_use_mount_share.yml

Sources and licences

  • SigmaHQ

    "Windows Share Mount Via Net.EXE" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_net_use_mount_share.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Windows Share Mount Via Net.EXE",
entity page, dataset version ref-ce9eb3f8cc61, updated 2023-02-21T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/f117933c-980c-4f78-b384-e3d838111165 (accessed 2026-11-03).
Underlying source: SigmaHQ rule f117933c-980c-4f78-b384-e3d838111165, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.