[metadata] creation_date = "2022/08/30" integration = ["system", "windows"] maturity = "production" min_stack_comments = "New fields added: required_fields, related_integrations, setup" min_stack_version = "8.3.0" updated_date = "2023/10/23" [rule] author = ["Elastic"] description = """ Identifies process creation with alternate credentials. Adversaries may create a new process with a different token to escalate privileges and bypass access controls. """ from = "now-9m" index = ["winlogbeat-*", "logs-system.*", "logs-windows.*"] language = "eql" license = "Elastic License v2" name = "Process Creation via Secondary Logon" references = ["https://attack.mitre.org/techniques/T1134/002/"] risk_score = 47 rule_id = "42eeee3d-947f-46d3-a14d-7036b962c266" setup = """ Audit events 4624 and 4688 are needed to trigger this rule. If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until version 8.2. Hence for this rule to work effectively, users will need to add a custom ingest pipeline to populate `event.ingested` to @timestamp. For more details on adding a custom ingest pipeline refer - https://www.elastic.co/guide/en/fleet/current/data-streams-pipeline-tutorial.html """ severity = "medium" tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Privilege Escalation"] type = "eql" query = ''' sequence by winlog.computer_name with maxspan=1m [authentication where event.action:"logged-in" and event.outcome == "success" and user.id : ("S-1-5-21-*", "S-1-12-1-*") and /* seclogon service */ process.name == "svchost.exe" and winlog.event_data.LogonProcessName : "seclogo*" and source.ip == "::1" ] by winlog.event_data.TargetLogonId [process where event.type == "start"] by winlog.event_data.TargetLogonId ''' [[rule.threat]] framework = "MITRE ATT&CK" [[rule.threat.technique]] id = "T1134" name = "Access Token Manipulation" reference = "https://attack.mitre.org/techniques/T1134/" [[rule.threat.technique.subtechnique]] id = "T1134.002" name = "Create Process with Token" reference = "https://attack.mitre.org/techniques/T1134/002/" [[rule.threat.technique.subtechnique]] id = "T1134.003" name = "Make and Impersonate Token" reference = "https://attack.mitre.org/techniques/T1134/003/" [rule.threat.tactic] id = "TA0004" name = "Privilege Escalation" reference = "https://attack.mitre.org/tactics/TA0004/"