[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 configuration 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 configuration discovery in order to increase their understanding of connected networks and hosts. 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_configuration_discovery" name = "Unusual Linux System Network Configuration Discovery" risk_score = 21 rule_id = "f9590f47-6bd5-4a49-bd49-a2f886476fb9" severity = "low" tags = ["Elastic", "Host", "Linux", "Threat Detection", "ML"] type = "machine_learning" [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1016" name = "System Network Configuration Discovery" reference = "https://attack.mitre.org/techniques/T1016/" [rule.threat.tactic] id = "TA0007" name = "Discovery" reference = "https://attack.mitre.org/tactics/TA0007/"