System Network Connections Discovery
editSystem Network Connections Discovery
editAdversaries 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-*
Severity: low
Risk score: 21
Runs every: 60m
Searches indices from: now-119m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
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: 3
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editprocess 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&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: System Network Connections Discovery
- ID: T1049
- Reference URL: https://attack.mitre.org/techniques/T1049/