[New Rule] AWS EventBridge Rule Disabled or Deleted (#1572)

* Create aws_eventbridge_rule_disabled_or_deleted.toml * Update aws_eventbridge_rule_disabled_or_deleted.toml * Update aws_eventbridge_rule_disabled_or_deleted.toml * Update aws_eventbridge_rule_disabled_or_deleted.toml * Update rules/integrations/aws/aws_eventbridge_rule_disabled_or_deleted.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Update rules/integrations/aws/aws_eventbridge_rule_disabled_or_deleted.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> * Update aws_eventbridge_rule_disabled_or_deleted.toml * Rename aws_eventbridge_rule_disabled_or_deleted.toml to impact_aws_eventbridge_rule_disabled_or_deleted.toml Co-authored-by: Jonhnathan <jonhnathancesar@gmail.com> (cherry picked from commit 3ab67d1562)
2021-10-18 13:36:21 -05:00
parent b1e60b6c45
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+[metadata]
+creation_date = "2021/10/17"
+maturity = "production"
+updated_date = "2021/10/17"
+integration = "aws"
+
+[rule]
+author = ["Austin Songer"]
+description = """
+Identifies when a user disabled or deleted an EventBridge rule. This activity can result in an unintended loss of
+visibility in applications or breaking the flow with other AWS services.
+"""
+false_positives = [
+    """
+    EventBridge Rules could be deleted or disabled by a system administrator. Verify whether the user identity, user agent, and/or 
+    hostname should be making changes in your environment. EventBridge Rules being deleted or disabled from unfamiliar users should 
+    be investigated. If known behavior is causing false positives, it can be exempted from the rule.
+    """,
+]
+from = "now-20m"
+index = ["filebeat-*", "logs-aws*"]
+language = "kuery"
+license = "Elastic License v2"
+name = "AWS EventBridge Rule Disabled or Deleted"
+note = """## Config
+
+The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule."""
+references = [
+    "https://docs.aws.amazon.com/eventbridge/latest/APIReference/API_DeleteRule.html",
+    "https://docs.aws.amazon.com/eventbridge/latest/APIReference/API_DisableRule.html",
+]
+risk_score = 21
+rule_id = "87594192-4539-4bc4-8543-23bc3d5bd2b4"
+severity = "low"
+tags = ["Elastic", "Cloud", "AWS", "Continuous Monitoring", "SecOps", "Monitoring"]
+timestamp_override = "event.ingested"
+type = "query"
+
+
+query = '''
+event.dataset:aws.cloudtrail and event.provider:eventbridge.amazonaws.com and event.action:(DeleteRule or DisableRule) and 
+event.outcome:success
+'''
+
+
+[[rule.threat]]
+framework = "MITRE ATT&CK"
+[rule.threat.tactic]
+id = "TA0040"
+name = "Impact"
+reference = "https://attack.mitre.org/tactics/TA0040/"