Sigma rule: PUA - System Informer Driver Load

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-d326180cff3d, updated 2024-11-23T00:00:00.000Z.

Rule

Title
PUA - System Informer Driver Load
Status
test
Level
medium
Author
Florian Roth (Nextron Systems)
Date
2023-05-08
Modified
2024-11-23
File
rules/windows/driver_load/driver_load_win_pua_system_informer.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects driver load of the System Informer tool

Log source

product
windows
category
driver_load

Detection

selection:
    - ImageLoaded|endswith: '\SystemInformer.sys'
    - Hashes|contains:
          - 'SHA256=8B9AD98944AC9886EA4CB07700E71B78BE4A2740934BB7E46CA3B56A7C59AD24'
          - 'SHA256=A41348BEC147CA4D9EA2869817527EB5CEA2E20202AF599D2B30625433BCF454'
          - 'SHA256=38EE0A88AF8535A11EFE8D8DA9C6812AA07067B75A64D99705A742589BDD846D'
          - 'SHA256=A773891ACF203A7EB0C0D30942FB1347648F1CD918AE2BFD9A4857B4DCF5081B'
          - 'SHA256=4C3B81AC88A987BBDF7D41FA0AECC2CEDF5B9BD2F45E7A21F376D05345FC211D'
          - 'SHA256=3241BC14BEC51CE6A691B9A3562E5C1D52E9D057D27A3D67FD0B245C350B6D34'
          - 'SHA256=047C42E9BBA28366868847C7DAFC1E043FB038C796422D37220493517D68EE89'
          - 'SHA256=18931DC81E95D0020466FA091E16869DBE824E543A4C2C8FE644FA71A0F44FEB'
          - 'SHA256=B4C2EF76C204273132FDE38F0DED641C2C5EE767652E64E4C4071A4A973B6C1B'
          - 'SHA256=640954AFC268565F7DAA6E6F81A8EE05311E33E34332B501A3C3FE5B22ADEA97'
          - 'SHA256=251BE949F662C838718F8AA0A5F8211FB90346D02BD63FF91E6B224E0E01B656'
          - 'SHA256=E2606F272F7BA054DF16BE464FDA57211EF0D14A0D959F9C8DCB0575DF1186E4'
          - 'SHA256=3A9E1D17BEEB514F1B9B3BACAEE7420285DE5CBDCE89C5319A992C6CBD1DE138'
condition: selection

False positives (as the rule lists them)

  • System Informer is regularly used legitimately by system administrators or developers. Apply additional filters accordingly

Tags

  • attack.persistence
  • attack.privilege-escalation
  • attack.t1543

MITRE ATT&CK ids this rule names

Related rules

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/driver_load/driver_load_win_pua_system_informer.yml

Sources and licences

  • SigmaHQ

    "PUA - System Informer Driver Load" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/driver_load/driver_load_win_pua_system_informer.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: PUA - System Informer Driver Load",
entity page, dataset version ref-d326180cff3d, updated 2024-11-23T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/10cb6535-b31d-4512-9962-513dcbc42cc1 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 10cb6535-b31d-4512-9962-513dcbc42cc1, 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.