Sigma rule: File Deleted Via Sysinternals SDelete

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-970b441e76f9, updated 2023-02-15T00:00:00.000Z.

Rule

Title
File Deleted Via Sysinternals SDelete
Status
test
Level
medium
Author
Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
Date
2020-05-02
Modified
2023-02-15
File
rules/windows/file/file_delete/file_delete_win_sysinternals_sdelete_file_deletion.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the deletion of files by the Sysinternals SDelete utility. It looks for the common name pattern used to rename files.

Log source

product
windows
category
file_delete

Detection

selection:
    TargetFilename|endswith:
        - '.AAA'
        - '.ZZZ'
filter_wireshark:
    TargetFilename|endswith: '\Wireshark\radius\dictionary.alcatel-lucent.aaa'
condition: selection and not 1 of filter_*

False positives (as the rule lists them)

  • Legitimate usage

Tags

  • attack.stealth
  • attack.t1070.004

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/file/file_delete/file_delete_win_sysinternals_sdelete_file_deletion.yml

Sources and licences

  • SigmaHQ

    "File Deleted Via Sysinternals SDelete" by Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/file/file_delete/file_delete_win_sysinternals_sdelete_file_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: File Deleted Via Sysinternals SDelete",
entity page, dataset version ref-970b441e76f9, updated 2023-02-15T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6ddab845-b1b8-49c2-bbf7-1a11967f64bc (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6ddab845-b1b8-49c2-bbf7-1a11967f64bc, 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.