Detection rules › Sigma
Suspicious Camera and Microphone Access
Detects Processes accessing the camera and microphone from suspicious folder
Known false positives
- Unlikely, there could be conferencing software running from a Temp folder accessing the devices
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Collection |
Telemetry coverage
Rule body
title: Suspicious Camera and Microphone Access
id: 62120148-6b7a-42be-8b91-271c04e281a3
status: test
description: Detects Processes accessing the camera and microphone from suspicious folder
references:
- https://medium.com/@7a616368/can-you-track-processes-accessing-the-camera-and-microphone-7e6885b37072
author: Den Iuzvyk
date: 2020-06-07
modified: 2022-10-09
tags:
- attack.collection
- attack.t1125
- attack.t1123
logsource:
category: registry_event
product: windows
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#'
- ':#$Recycle.bin#'
- ':#Temp#'
- ':#Users#Public#'
- ':#Users#Default#'
- ':#Users#Desktop#'
condition: all of selection_*
falsepositives:
- Unlikely, there could be conferencing software running from a Temp folder accessing the devices
level: high
Stages and Predicates
Stage 0: condition
all of selection_*Stage 1: selection_1
selection_1:
TargetObject|contains|all:
- '\Software\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore\'
- '\NonPackaged'
Stage 2: selection_2
selection_2:
TargetObject|contains:
- microphone
- webcam
Stage 3: selection_3
selection_3:
TargetObject|contains:
- ':#Windows#Temp#'
- ':#$Recycle.bin#'
- ':#Temp#'
- ':#Users#Public#'
- ':#Users#Default#'
- ':#Users#Desktop#'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
TargetObject | match |
| field:"TargetObject" kind:match |