[metadata] creation_date = "2020/03/18" ecs_version = ["1.5.0"] maturity = "production" updated_date = "2020/03/18" [rule] author = ["Elastic"] description = """ Identifies the SYSTEM account using the Net utility. The Net utility is a component of the Windows operating system. It is used in command line operations for control of users, groups, services, and network connections. """ index = ["winlogbeat-*"] language = "kuery" license = "Elastic License" name = "Net command via SYSTEM account" risk_score = 21 rule_id = "2856446a-34e6-435b-9fb5-f8f040bfa7ed" severity = "low" tags = ["Elastic", "Windows"] type = "query" query = ''' (process.name:net.exe or process.name:net1.exe and not process.parent.name:net.exe) and user.name:SYSTEM and event.action:"Process Create (rule: ProcessCreate)" ''' [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1087" name = "Account Discovery" reference = "https://attack.mitre.org/techniques/T1087/" [rule.threat.tactic] id = "TA0007" name = "Discovery" reference = "https://attack.mitre.org/tactics/TA0007/"