[New Rule] New GitHub Owner Added (#3090)

* [New Rule] New GitHub Owner Added new rule * name change * Apply suggestions from code review Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> --------- Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com>
2023-10-06 15:57:26 -04:00
parent 9593412847
commit ef8f5620e1
3 changed files with 47 additions and 0 deletions
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+[metadata]
+creation_date = "2023/09/11"
+integration = ["github"]
+maturity = "production"
+min_stack_comments = "New fields added: required_fields, related_integrations, setup"
+min_stack_version = "8.3.0"
+updated_date = "2023/09/11"
+
+[rule]
+author = ["Elastic"]
+description = """
+Detects when a new member is added to a GitHub organization as an owner. 
+This role provides admin level privileges. Any new owner roles should be investigated to determine it's validity. 
+Unauthorized owner roles could indicate compromise within your organization and provide unlimited access to data and settings.
+"""
+from = "now-9m"
+index = ["logs-github.audit-*"]
+language = "eql"
+license = "Elastic License v2"
+name = "New GitHub Owner Added"
+risk_score = 47
+rule_id = "24401eca-ad0b-4ff9-9431-487a8e183af9"
+severity = "medium"
+tags = ["Domain: Cloud", "Use Case: Threat Detection", "Tactic: Persistence", "Data Source: Github"]
+timestamp_override = "event.ingested"
+type = "eql"
+query = '''
+iam where event.dataset == "github.audit" and event.action == "org.add_member" and github.permission == "admin"
+'''
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1136"
+name = "Create Account"
+reference = "https://attack.mitre.org/techniques/T1136/"
+[[rule.threat.technique.subtechnique]]
+id = "T1136.003"
+name = "Cloud Account"
+reference = "https://attack.mitre.org/techniques/T1136/003/"
+
+
+[rule.threat.tactic]
+id = "TA0003"
+name = "Persistence"
+reference = "https://attack.mitre.org/tactics/TA0003/"
+