Sigma rule: Windows Pcap Drivers

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-f90d82623ee0, updated 2023-04-14T00:00:00.000Z.

Rule

Title: Windows Pcap Drivers
Status: test
Level: medium
Author: Cian Heasley
Date: 2020-06-10
Modified: 2023-04-14
File: rules/windows/builtin/security/win_security_pcap_drivers.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects Windows Pcap driver installation based on a list of associated .sys files.

Log source

product: windows
service: security
definition: The 'System Security Extension' audit subcategory need to be enabled to log the EID 4697

Detection

selection:
    EventID: 4697
    ServiceFileName|contains:
        - 'pcap'
        - 'npcap'
        - 'npf'
        - 'nm3'
        - 'ndiscap'
        - 'nmnt'
        - 'windivert'
        - 'USBPcap'
        - 'pktmon'
condition: selection

False positives (as the rule lists them)

Unknown

MITRE ATT&CK ids this rule names

T1040

References

https://ragged-lab.blogspot.com/2020/06/capturing-pcap-driver-installations.html#more

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/builtin/security/win_security_pcap_drivers.yml

Sources and licences

SigmaHQ
"Windows Pcap Drivers" by Cian Heasley (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_pcap_drivers.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: Windows Pcap Drivers",
entity page, dataset version ref-f90d82623ee0, updated 2023-04-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/7b687634-ab20-11ea-bb37-0242ac130002 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 7b687634-ab20-11ea-bb37-0242ac130002, 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.