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
version: 1.0.3
suppressionEnabled: false
queryPeriod: 5m
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
name: TLS Certificate Using Weak Cipher - Informational
triggerOperator: gt
severity: Informational
eventGroupingSettings:
  aggregationKind: SingleAlert
id: 1bdf3cba-6b85-4b88-ab1e-681bac20d41f
triggerThreshold: 0
entityMappings:
- entityType: IP
  fieldMappings:
  - identifier: Address
    columnName: meta_resolved_ip_s
- entityType: Host
  fieldMappings:
  - identifier: HostName
    columnName: meta_host_s
- entityType: URL
  fieldMappings:
  - identifier: Url
    columnName: hackerview_link_s
queryFrequency: 5m
description: |
    'TLS Certificate Using Weak Cipher'
requiredDataConnectors:
- connectorId: HVPollingIDAzureFunctions
  dataTypes:
  - HackerViewLog_Azure_1_CL
incidentConfiguration:
  createIncident: true
  groupingConfiguration:
    enabled: false
    lookbackDuration: PT5H
    reopenClosedIncident: false
    matchingMethod: AllEntities
suppressionDuration: 5h
relevantTechniques:
- T1556
- T1210
- T1212
tactics:
- CredentialAccess
- LateralMovement
- DefenseEvasion
- Persistence

ARM