[metadata]
creation_date = "2020/09/03"
maturity = "production"
updated_date = "2021/03/03"

[rule]
anomaly_threshold = 25
author = ["Elastic"]
description = """
Looks for commands related to system network connection discovery from an unusual user context. This can be due to
uncommon troubleshooting activity or due to a compromised account. A compromised account may be used by a threat actor
to engage in system network connection discovery in order to increase their understanding of connected services and
systems. This information may be used to shape follow-up behaviors such as lateral movement or additional discovery.
"""
false_positives = [
    """
    Uncommon user command activity can be due to an engineer logging onto a server instance in order to perform manual
    troubleshooting or reconfiguration.
    """,
]
from = "now-45m"
interval = "15m"
license = "Elastic License v2"
machine_learning_job_id = "linux_network_connection_discovery"
name = "Unusual Linux Network Connection Discovery"
risk_score = 21
rule_id = "c28c4d8c-f014-40ef-88b6-79a1d67cd499"
severity = "low"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "ML"]
type = "machine_learning"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1049"
name = "System Network Connections Discovery"
reference = "https://attack.mitre.org/techniques/T1049/"


[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"