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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'
Rule type
Scheduled
Version
1.0.5
Query frequency
1d
Query period
1d
Trigger
gt 0

Declared MITRE coverage

KQL query

Original query, unchanged.

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

Declared entities

HostIP

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
2790795b-7dba-483e-853f-44aa0bc9c985
Additional source files 1Detections/CommonSecurityLog/Wazuh-Large_Number_of_Web_errors_from_an_IP.yamlsource ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.