Possible Network Sniffing - MacOs (via process_creation)

title: Possible Network Sniffing - MacOs (via process_creation)
id: da17418b-0d0e-5c3a-b2d8-e861aba0ea16
status: stable
description: This rule detects the use of tooling to sniff network traffic. An adversary may place a network interface into promiscuous mode to passively access data in transit over the network, or use span ports to capture a larger amount of data.
references:
    - https://attack.mitre.org/techniques/T1040/
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1040/T1040.md
author: Huntrule Team
date: 2026-03-26
tags:
    - attack.discovery
    - attack.credential-access
    - attack.t1040
logsource:
    category: process_creation
    product: macos
detection:
    selection:
        Image|endswith:
            - '/tcpdump'
            - '/tshark'
    condition: selection
falsepositives:
    - Unknown
level: informational