Sigma rule: Suspicious Camera and Microphone Access

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-6eec5d5ea23d, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Suspicious Camera and Microphone Access
Status
test
Level
high
Author
Den Iuzvyk
Date
2020-06-07
Modified
2022-10-09
File
rules/windows/registry/registry_event/registry_event_susp_mic_cam_access.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects Processes accessing the camera and microphone from suspicious folder

Log source

product
windows
category
registry_event

Detection

selection_1:
    TargetObject|contains|all:
        - '\Software\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore\'
        - '\NonPackaged'
selection_2:
    TargetObject|contains:
        - microphone
        - webcam
selection_3:
    TargetObject|contains:
        - ':#Windows#Temp#'
        - ':#$Recycle.bin#'
        - ':#Temp#'
        - ':#Users#Public#'
        - ':#Users#Default#'
        - ':#Users#Desktop#'
condition: all of selection_*

False positives (as the rule lists them)

  • Unlikely, there could be conferencing software running from a Temp folder accessing the devices

Tags

  • attack.collection
  • attack.t1125
  • attack.t1123

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/registry/registry_event/registry_event_susp_mic_cam_access.yml

Sources and licences

  • SigmaHQ

    "Suspicious Camera and Microphone Access" by Den Iuzvyk (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/registry/registry_event/registry_event_susp_mic_cam_access.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 Camera and Microphone Access",
entity page, dataset version ref-6eec5d5ea23d, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/62120148-6b7a-42be-8b91-271c04e281a3 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 62120148-6b7a-42be-8b91-271c04e281a3, 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.