Sigma rule: VolumeShadowCopy Symlink Creation Via Mklink

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-3e6890406c07, updated 2023-03-06T00:00:00.000Z.

Rule

Title
VolumeShadowCopy Symlink Creation Via Mklink
Status
stable
Level
high
Author
Teymur Kheirkhabarov, oscd.community
Date
2019-10-22
Modified
2023-03-06
File
rules/windows/process_creation/proc_creation_win_cmd_mklink_shadow_copies_access_symlink.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Shadow Copies storage symbolic link creation using operating systems utilities

Log source

product
windows
category
process_creation

Detection

selection:
    CommandLine|contains|all:
        - 'mklink'
        - 'HarddiskVolumeShadowCopy'
condition: selection

False positives (as the rule lists them)

  • Legitimate administrator working with shadow copies, access for backup purposes

Tags

  • attack.credential-access
  • attack.t1003.002
  • attack.t1003.003

MITRE ATT&CK ids this rule names

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_cmd_mklink_shadow_copies_access_symlink.yml

Sources and licences

  • SigmaHQ

    "VolumeShadowCopy Symlink Creation Via Mklink" by Teymur Kheirkhabarov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_cmd_mklink_shadow_copies_access_symlink.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: VolumeShadowCopy Symlink Creation Via Mklink",
entity page, dataset version ref-3e6890406c07, updated 2023-03-06T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/40b19fa6-d835-400c-b301-41f3a2baacaf (accessed 2026-11-03).
Underlying source: SigmaHQ rule 40b19fa6-d835-400c-b301-41f3a2baacaf, 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.