[metadata] creation_date = "2020/09/03" maturity = "production" updated_date = "2021/03/03" [rule] anomaly_threshold = 75 author = ["Elastic"] description = """ Looks for sudo activity from an unusual user context. An unusual sudo user could be due to troubleshooting activity or it could be a sign of credentialed access via compromised accounts. """ false_positives = [ """ Uncommon sudo 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_rare_sudo_user" name = "Unusual Sudo Activity" risk_score = 21 rule_id = "1e9fc667-9ff1-4b33-9f40-fefca8537eb0" severity = "low" tags = ["Elastic", "Host", "Linux", "Threat Detection", "ML"] type = "machine_learning" [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1548" name = "Abuse Elevation Control Mechanism" reference = "https://attack.mitre.org/techniques/T1548/" [rule.threat.tactic] id = "TA0005" name = "Defense Evasion" reference = "https://attack.mitre.org/tactics/TA0005/" [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1548" name = "Abuse Elevation Control Mechanism" reference = "https://attack.mitre.org/techniques/T1548/" [rule.threat.tactic] id = "TA0004" name = "Privilege Escalation" reference = "https://attack.mitre.org/tactics/TA0004/"