title: System Network Connections Discovery id: 4c519226-f0cd-4471-bd2f-6fbb2bb68a79 status: experimental description: Detects usage of system utilities to discover system network connections author: Daniil Yugoslavskiy, oscd.community date: 2020/10/19 references: - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1049/T1049.md logsource: category: process_creation product: linux detection: selection: Image|endswith: - '/who' - '/w' - '/last' - '/lsof' - '/netstat' condition: selection falsepositives: - Legitimate activities level: low tags: - attack.discovery - attack.t1049