Sigma rule: Suspicious File Created In PerfLogs

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-eab7c9c46f0e, updated 2023-05-05T00:00:00.000Z.

Rule

Title
Suspicious File Created In PerfLogs
Status
test
Level
medium
Author
Nasreddine Bencherchali (Nextron Systems)
Date
2023-05-05
File
rules/windows/file/file_event/file_event_win_perflogs_susp_files.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects suspicious file based on their extension being created in "C:\PerfLogs\". Note that this directory mostly contains ".etl" files

Log source

product
windows
category
file_event

Detection

selection:
    TargetFilename|startswith: 'C:\PerfLogs\'
    TargetFilename|endswith:
        - '.7z'
        - '.bat'
        - '.bin'
        - '.chm'
        - '.dll'
        - '.exe'
        - '.hta'
        - '.lnk'
        - '.ps1'
        - '.psm1'
        - '.py'
        - '.scr'
        - '.sys'
        - '.vbe'
        - '.vbs'
        - '.zip'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.execution
  • attack.t1059

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_event/file_event_win_perflogs_susp_files.yml

Sources and licences

  • SigmaHQ

    "Suspicious File Created In PerfLogs" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/file/file_event/file_event_win_perflogs_susp_files.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 File Created In PerfLogs",
entity page, dataset version ref-eab7c9c46f0e, updated 2023-05-05T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/bbb7e38c-0b41-4a11-b306-d2a457b7ac2b (accessed 2026-11-03).
Underlying source: SigmaHQ rule bbb7e38c-0b41-4a11-b306-d2a457b7ac2b, 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.