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

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

ARM