[New Rule] Azure Kubernetes Pods Deleted (#1309)

* Create impact_kubernetes_pod_deleted.toml * Update impact_kubernetes_pod_deleted.toml * Update * Update impact_kubernetes_pod_deleted.toml * quote value in query Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com>
2021-10-15 14:07:39 -05:00
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+[metadata]
+creation_date = "2021/06/24"
+maturity = "production"
+updated_date = "2021/06/24"
+integration = "azure"
+
+[rule]
+author = ["Austin Songer"]
+description = """
+Identifies the deletion of Azure Kubernetes Pods. Adversary may delete a kubernetes pod to disrupt the normal behavior of the environment.
+"""
+false_positives = [
+    """
+    Pods may be deleted by a system administrator. Verify whether the user identity, user agent, and/or hostname
+    should be making changes in your environment. Pods deletions from unfamiliar users or hosts should be
+    investigated. If known behavior is causing false positives, it can be exempted from the rule.
+    """,
+]
+from = "now-25m"
+index = ["filebeat-*", "logs-azure*"]
+language = "kuery"
+license = "Elastic License v2"
+name = "Azure Kubernetes Pods Deleted"
+note = """## Config
+
+The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
+references = [
+    "https://docs.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations#microsoftkubernetes",
+]
+risk_score = 47
+rule_id = "83a1931d-8136-46fc-b7b9-2db4f639e014"
+severity = "medium"
+tags = ["Elastic", "Cloud", "Azure", "Continuous Monitoring", "SecOps", "Asset Visibility"]
+timestamp_override = "event.ingested"
+type = "query"
+
+query = '''
+event.dataset:azure.activitylogs and azure.activitylogs.operation_name:"MICROSOFT.KUBERNETES/CONNECTEDCLUSTERS/PODS/DELETE" and 
+event.outcome:(Success or success)
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+
+[rule.threat.tactic]
+id = "TA0040"
+name = "Impact"
+reference = "https://attack.mitre.org/tactics/TA0040/"