TLS Certificate Using Weak Cipher - Informational

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Id	1bdf3cba-6b85-4b88-ab1e-681bac20d41f
Rulename	TLS Certificate Using Weak Cipher - Informational
Description	TLS Certificate Using Weak Cipher
Severity	Informational
Tactics	CredentialAccess LateralMovement DefenseEvasion Persistence
Techniques	T1556 T1210 T1212
Required data connectors	HVPollingIDAzureFunctions
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherInformational.yaml
Version	1.0.3
Arm template	1bdf3cba-6b85-4b88-ab1e-681bac20d41f.json

KQL

HackerViewLog_Azure_1_CL | where severity_s == "low" | where progress_status_s == "New" | where status_s != "inactive"  | where issue_name_s == "TLS Certificate Using Weak Cipher"

YAML

query: HackerViewLog_Azure_1_CL | where severity_s == "low" | where progress_status_s == "New" | where status_s != "inactive"  | where issue_name_s == "TLS Certificate Using Weak Cipher"
kind: Scheduled
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    lookbackDuration: PT5H
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
triggerThreshold: 0
suppressionDuration: 5h
entityMappings:
- fieldMappings:
  - columnName: meta_resolved_ip_s
    identifier: Address
  entityType: IP
- fieldMappings:
  - columnName: meta_host_s
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: hackerview_link_s
    identifier: Url
  entityType: URL
description: |
    'TLS Certificate Using Weak Cipher'
eventGroupingSettings:
  aggregationKind: SingleAlert
version: 1.0.3
id: 1bdf3cba-6b85-4b88-ab1e-681bac20d41f
relevantTechniques:
- T1556
- T1210
- T1212
queryPeriod: 5m
queryFrequency: 5m
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherInformational.yaml
tactics:
- CredentialAccess
- LateralMovement
- DefenseEvasion
- Persistence
severity: Informational
suppressionEnabled: false
status: Available
requiredDataConnectors:
- connectorId: HVPollingIDAzureFunctions
  dataTypes:
  - HackerViewLog_Azure_1_CL
name: TLS Certificate Using Weak Cipher - Informational
triggerOperator: gt

ARM