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System Network Connections Discovery

Adversaries may attempt to get a listing of network connections to or from a compromised system.

Rule type: eql
Rule indices:

  • logs-endpoint.events.*
  • endgame-*
  • auditbeat-*
  • logs-auditd_manager.auditd-*

Rule Severity: low
Risk Score: 21
Runs every: 60m
Searches indices from: now-119m
Maximum alerts per execution: ?
References:

Tags:

  • Domain: Endpoint
  • OS: Linux
  • OS: macOS
  • Use Case: Threat Detection
  • Tactic: Discovery
  • Rule Type: BBR
  • Data Source: Elastic Defend
  • Data Source: Elastic Endgame
  • Data Source: Auditd Manager

Version: ?
Rule authors:

  • Elastic

Rule license: Elastic License v2

process where event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started") and
process.name in ("netstat", "lsof", "who", "w")

Framework: MITRE ATT&CK