Sigma rule: Suspicious Multiple File Rename Or Delete Occurred

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-93c35752945e, updated 2023-02-24T00:00:00.000Z.

Rule

Title
Suspicious Multiple File Rename Or Delete Occurred
Status
unsupported
Level
medium
Author
Vasiliy Burov, oscd.community
Date
2020/10/16
Modified
2023/02/24
File
unsupported/windows/win_security_susp_multiple_files_renamed_or_deleted.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects multiple file rename or delete events occurrence within a specified period of time by a same user (these events may signalize about ransomware activity).

Log source

product
windows
service
security
definition
Requirements: Audit Policy : Policies/Windows Settings/Security Settings/Local Policies/Audit Policy/Audit object access, Policies/Windows Settings/Security Settings/Advanced Audit Policy Configuration/Object Access

Detection

selection:
    EventID: 4663
    ObjectType: 'File'
    AccessList: '%%1537'
    Keywords: '0x8020000000000000'
timeframe: 30s
condition: selection | count() by SubjectLogonId > 10

False positives (as the rule lists them)

  • Software uninstallation
  • Files restore activities

Tags

  • attack.impact
  • attack.t1486

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/unsupported/windows/win_security_susp_multiple_files_renamed_or_deleted.yml

Sources and licences

  • SigmaHQ

    "Suspicious Multiple File Rename Or Delete Occurred" by Vasiliy Burov, oscd.community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/unsupported/windows/win_security_susp_multiple_files_renamed_or_deleted.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: Suspicious Multiple File Rename Or Delete Occurred",
entity page, dataset version ref-93c35752945e, updated 2023-02-24T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/97919310-06a7-482c-9639-92b67ed63cf8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 97919310-06a7-482c-9639-92b67ed63cf8, 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.