Network Sniffing - MacOs

calendar Aug 12, 2024 · attack.discovery attack.credential-access attack.t1040  ·
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Detects the usage 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.

Sigma rule (View on GitHub)

 1title: Network Sniffing - MacOs
 2id: adc9bcc4-c39c-4f6b-a711-1884017bf043
 3status: test
 4description: |
 5  Detects the usage of tooling to sniff network traffic.
 6  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.  
 7references:
 8    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1040/T1040.md
 9author: Alejandro Ortuno, oscd.community
10date: 2020-10-14
11modified: 2022-11-26
12tags:
13    - attack.discovery
14    - attack.credential-access
15    - attack.t1040
16logsource:
17    category: process_creation
18    product: macos
19detection:
20    selection:
21        Image|endswith:
22            - '/tcpdump'
23            - '/tshark'
24    condition: selection
25falsepositives:
26    - Legitimate administration activities
27level: informational

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