Detection rules › Sigma
Suspicious Camera and Microphone Access
Detects Processes accessing the camera and microphone from suspicious folder
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Collection | T1123 Audio Capture, T1125 Video Capture |
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| Sysmon | 12 | RegistryEvent (Object create and delete) |
| Sysmon | 13 | RegistryEvent (Value Set) |
| Sysmon | 14 | RegistryEvent (Key and Value Rename) |
Stages and Predicates
Stage 1: all of selection_1
TargetObject|contains: '\NonPackaged'
TargetObject|contains: '\Software\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore\'
Stage 2: all of selection_2
or:
TargetObject|contains: microphone
TargetObject|contains: webcam
Stage 3: all of selection_3
or:
TargetObject|contains: ':#$Recycle.bin#'
TargetObject|contains: ':#Temp#'
TargetObject|contains: ':#Users#Default#'
TargetObject|contains: ':#Users#Desktop#'
TargetObject|contains: ':#Users#Public#'
TargetObject|contains: ':#Windows#Temp#'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
TargetObject | match |
|