Wazuh - Large Number of Web errors from an IP

id: 2790795b-7dba-483e-853f-44aa0bc9c985
name: Wazuh - Large Number of Web errors from an IP
description: |
  'Identifies instances where Wazuh logged over 400 '403' Web Errors from one IP Address. To onboard Wazuh data into Sentinel please view: https://documentation.wazuh.com/current/cloud-security/azure/index.html'
severity: Low
requiredDataConnectors: []
queryFrequency: 1d
queryPeriod: 1d
triggerOperator: gt
triggerThreshold: 0
tactics:
  - CredentialAccess
relevantTechniques:
  - T1110
query: |
  CommonSecurityLog
  | where DeviceProduct =~ "Wazuh"
  | where Activity has "Web server 400 error code."
  | where Message has "403"
  | extend HostName=substring(split(DeviceCustomString1,")")[0],1)
  | summarize StartTime = min(TimeGenerated), EndTime = max(TimeGenerated), NumberOfErrors = dcount(SourceIP) by HostName, SourceIP
  | where NumberOfErrors > 400
  | sort by NumberOfErrors desc
  | extend timestamp = StartTime
entityMappings:
  - entityType: Host
    fieldMappings:
      - identifier: HostName
        columnName: HostName
  - entityType: IP
    fieldMappings:
      - identifier: Address
        columnName: SourceIP
version: 1.0.5
kind: Scheduled
metadata:
    source:
        kind: Community
    author:
        name: Jordan Ross
    support:
        tier: Community
    categories:
        domains: [ "Security - Others", "Networking" ]