Detectionlowtest
Audio Capture
Detects attempts to record audio using the arecord and ecasound utilities.
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Pawel Mazur, Milad CheraghiCreated Sat Sep 04Updated Fri Dec 05a7af2487-9c2f-42e4-9bb9-ff961f0561d5linux
Log Source
Linuxauditd
ProductLinux← raw: linux
Serviceauditd← raw: auditd
Detection Logic
Detection Logic2 selectors
detection:
selection_execve:
type: EXECVE
a0: arecord
a1: '-vv'
a2: '-fdat'
selection_syscall_memfd_create:
type: SYSCALL
exe|endswith: "/ecasound"
SYSCALL: 'memfd_create'
condition: 1 of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
a7af2487-9c2f-42e4-9bb9-ff961f0561d5
Status
test
Level
low
Type
Detection
Created
Sat Sep 04
Modified
Fri Dec 05
Author
Path
rules/linux/auditd/lnx_auditd_audio_capture.yml
Raw Tags
attack.collectionattack.t1123