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

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

ARM