Sigma rule: Potential File Overwrite Via Sysinternals SDelete

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-46aa2202e5a7, updated 2023-02-28T00:00:00.000Z.

Rule

Title
Potential File Overwrite Via Sysinternals SDelete
Status
test
Level
high
Author
frack113
Date
2021-06-03
Modified
2023-02-28
File
rules/windows/process_creation/proc_creation_win_sysinternals_sdelete.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the use of SDelete to erase a file not the free space

Log source

product
windows
category
process_creation

Detection

selection:
    OriginalFileName: sdelete.exe
filter:
    CommandLine|contains:
        - ' -h'
        - ' -c'
        - ' -z'
        - ' /\?'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.impact
  • attack.t1485

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_sysinternals_sdelete.yml

Sources and licences

  • SigmaHQ

    "Potential File Overwrite Via Sysinternals SDelete" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_sysinternals_sdelete.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 File Overwrite Via Sysinternals SDelete",
entity page, dataset version ref-46aa2202e5a7, updated 2023-02-28T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/a4824fca-976f-4964-b334-0621379e84c4 (accessed 2026-11-03).
Underlying source: SigmaHQ rule a4824fca-976f-4964-b334-0621379e84c4, 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.