[New Rules] UEBA GItHub BBRs and Rules (#3174)

* [New Rules] UEBA GItHub BBRs and Rules A new set of BBRs and rules that will be used to trigger new UEBA GitHub threshold Rules. * Update rules/integrations/github/impact_github_member_removed_from_organization.toml * Apply suggestions from code review Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> * edited BBR rules -removed newly added member rule * updated integration manifests and schemas * Updated min_stack for some rules based on newest GitHub integration schema manifest * testing min_stack bump to 8.8 for new fields * removing offending rule to troubleshoot seperately * added UEBA tags and created UEBA threshold rule * updated non-ecs-schema to add signal.rule.tags * updated non-ecs-schema with kibana.alert.workflow_status * updated rule.threat.tactic * added user.name to non-ecs-schema * added quotes to kibana.alert.workflow_status value * removed trailing space from rule name * update tags and optimize query for UEBA threshold rule * removed integration field from Higher-Order rule * Apply suggestions from code review Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> * adjusted new_terms order and rule types based on review feedback * Apply suggestions from code review Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> * remove user.name from detection_rules/etc/non-ecs-schema.json * fix json formatting --------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com> Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com> Co-authored-by: Justin Ibarra <16747370+brokensound77@users.noreply.github.com> Co-authored-by: Mika Ayenson <Mikaayenson@users.noreply.github.com> (cherry picked from commit 442435830f)
2024-01-22 12:48:31 -05:00
parent 1160a91bb9
commit f0028e1457
21 changed files with 973 additions and 7 deletions
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+[metadata]
+creation_date = "2023/10/11"
+integration = ["github"]
+maturity = "production"
+min_stack_comments = "New fields added: required_fields, related_integrations, setup"
+min_stack_version = "8.3.0"
+updated_date = "2023/10/11"
+
+[rule]
+author = ["Elastic"]
+description = """
+Detects the deletion of a GitHub app either from a repo or an organization.
+"""
+from = "now-9m"
+index = ["logs-github.audit-*"]
+language = "eql"
+license = "Elastic License v2"
+name = "GitHub App Deleted"
+risk_score = 21
+rule_id = "fd01b949-81be-46d5-bcf8-284395d5f56d"
+severity = "low"
+tags = ["Domain: Cloud",
+        "Use Case: Threat Detection",
+        "Tactic: Execution",
+        "Data Source: Github"
+        ]
+timestamp_override = "event.ingested"
+type = "eql"
+
+query = '''
+configuration where event.dataset == "github.audit" and github.category == "integration_installation" and event.type == "deletion"
+'''
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[[rule.threat.technique]]
+id = "T1648"
+name = "Serverless Execution"
+reference = "https://attack.mitre.org/techniques/T1648/"
+
+
+[rule.threat.tactic]
+id = "TA0002"
+name = "Execution"
+reference = "https://attack.mitre.org/tactics/TA0002/"