apifirewall_log_1_CL
| where TimeGenerated >= ago(5m)
| where Error_Step_s has "hostpath_mapping"
| project-away Non_blocking_mode_b, Source_Port_d, Destination_Port_d, Query_s, API_ID_g, Response_Header_s, Request_Header_s, Errors_s, Type, UUID_g
| sort by TimeGenerated desc
name: API - Invalid host access
relevantTechniques:
- T1592
id: 28500be7-cfcf-40e1-bad4-bc524e9283e2
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/42Crunch API Protection/Analytic Rules/APIInvalidHostAccess.yaml
requiredDataConnectors:
- dataTypes:
- apifirewall_log_1_CL
connectorId: 42CrunchAPIProtection
eventGroupingSettings:
aggregationKind: SingleAlert
version: 1.0.1
severity: Low
triggerThreshold: 0
queryPeriod: 5m
entityMappings:
- fieldMappings:
- identifier: Address
columnName: Source_IP_s
entityType: IP
- fieldMappings:
- identifier: HostName
columnName: Hostname_s
entityType: Host
- fieldMappings:
- identifier: FullName
columnName: Instance_Name_s
entityType: Account
kind: Scheduled
queryFrequency: 5m
status: Available
query: |
apifirewall_log_1_CL
| where TimeGenerated >= ago(5m)
| where Error_Step_s has "hostpath_mapping"
| project-away Non_blocking_mode_b, Source_Port_d, Destination_Port_d, Query_s, API_ID_g, Response_Header_s, Request_Header_s, Errors_s, Type, UUID_g
| sort by TimeGenerated desc
tactics:
- Reconnaissance
customDetails:
description: |
'42Crunch API protection against invalid host access'
triggerOperator: gt
