[metadata] creation_date = "2020/09/03" integration = ["auditd_manager", "endpoint"] maturity = "production" updated_date = "2023/07/27" min_stack_comments = "New fields added: required_fields, related_integrations, setup" min_stack_version = "8.3.0" [rule] anomaly_threshold = 50 author = ["Elastic"] description = """ Looks for commands related to system process 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 process discovery in order to increase their understanding of software applications running on a target host or network. This may be a precursor to selection of a persistence mechanism or a method of privilege elevation. """ 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 = ["v3_linux_system_process_discovery"] name = "Unusual Linux Process Discovery Activity" risk_score = 21 rule_id = "5c983105-4681-46c3-9890-0c66d05e776b" severity = "low" tags = ["Domain: Endpoint", "OS: Linux", "Use Case: Threat Detection", "Rule Type: ML", "Rule Type: Machine Learning", "Tactic: Discovery"] type = "machine_learning" [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1057" name = "Process Discovery" reference = "https://attack.mitre.org/techniques/T1057/" [rule.threat.tactic] id = "TA0007" name = "Discovery" reference = "https://attack.mitre.org/tactics/TA0007/"