auth_high_count_logon_events_for_a_source_ip.json

{
  "description": "Security: Authentication - Looks for an unusually large spike in successful authentication events from a particular source IP address. This can be due to password spraying, user enumeration, or brute force activity.",
  "groups": ["security", "authentication"],
  "analysis_config": {
    "bucket_span": "15m",
    "detectors": [
      {
        "detector_description": "Detects high count of auth events for a source IP.",
        "function": "high_non_zero_count",
        "by_field_name": "source.ip",
        "detector_index": 0
      }
    ],
    "influencers": ["source.ip", "winlog.event_data.LogonType", "user.name", "host.name"]
  },
  "allow_lazy_open": true,
  "analysis_limits": {
    "model_memory_limit": "128mb"
  },
  "data_description": {
    "time_field": "@timestamp"
  },
  "custom_settings": {
    "created_by": "ml-module-security-auth",
    "security_app_display_name": "Spike in Logon Events from a Source IP",
    "managed": true,
    "job_revision": 4
  }
}