Sigma rule: Potential Secure Deletion with SDelete

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-ffc29f6dccc0, updated 2024-12-13T00:00:00.000Z.

Rule

Title
Potential Secure Deletion with SDelete
Status
test
Level
medium
Author
Thomas Patzke
Date
2017-06-14
Modified
2024-12-13
File
rules/windows/builtin/security/win_security_sdelete_potential_secure_deletion.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects files that have extensions commonly seen while SDelete is used to wipe files.

Log source

product
windows
service
security

Detection

selection:
    EventID:
        - 4656
        - 4663
        - 4658
    ObjectName|endswith:
        - '.AAA'
        - '.ZZZ'
condition: selection

False positives (as the rule lists them)

  • Legitimate usage of SDelete
  • Files that are interacted with that have these extensions legitimately

Tags

  • attack.impact
  • attack.stealth
  • attack.defense-impairment
  • attack.t1070.004
  • attack.t1027.005
  • attack.t1485
  • attack.t1553.002
  • attack.s0195

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/builtin/security/win_security_sdelete_potential_secure_deletion.yml

Sources and licences

  • SigmaHQ

    "Potential Secure Deletion with SDelete" by Thomas Patzke (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_sdelete_potential_secure_deletion.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: Potential Secure Deletion with SDelete",
entity page, dataset version ref-ffc29f6dccc0, updated 2024-12-13T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/39a80702-d7ca-4a83-b776-525b1f86a36d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 39a80702-d7ca-4a83-b776-525b1f86a36d, 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.