TLS Certificate Using Weak Cipher - Medium

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Id	7bbe51fe-9c5f-4f54-a079-b84cc27737a1
Rulename	TLS Certificate Using Weak Cipher - Medium
Description	TLS Certificate Using Weak Cipher
Severity	Medium
Tactics	CredentialAccess LateralMovement DefenseEvasion Persistence
Techniques	T1556 T1210 T1212
Required data connectors	HVPollingIDAzureFunctions
Kind	Scheduled
Query frequency	5h
Query period	5h
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherMedium.yaml
Version	1.0.3
Arm template	7bbe51fe-9c5f-4f54-a079-b84cc27737a1.json

KQL

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

YAML

tactics:
- CredentialAccess
- LateralMovement
- DefenseEvasion
- Persistence
relevantTechniques:
- T1556
- T1210
- T1212
version: 1.0.3
triggerOperator: gt
name: TLS Certificate Using Weak Cipher - Medium
id: 7bbe51fe-9c5f-4f54-a079-b84cc27737a1
description: |
    'TLS Certificate Using Weak Cipher'
incidentConfiguration:
  groupingConfiguration:
    enabled: false
    matchingMethod: AllEntities
    reopenClosedIncident: false
    lookbackDuration: PT5H
  createIncident: true
suppressionEnabled: false
suppressionDuration: 5h
queryFrequency: 5h
severity: Medium
eventGroupingSettings:
  aggregationKind: SingleAlert
status: Available
query: HackerViewLog_Azure_1_CL | where severity_s == "medium" | where progress_status_s == "New" | where status_s != "inactive"  | where issue_name_s == "TLS Certificate Using Weak Cipher"
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherMedium.yaml
queryPeriod: 5h
triggerThreshold: 0
kind: Scheduled
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: meta_resolved_ip_s
  entityType: IP
- fieldMappings:
  - identifier: Url
    columnName: hackerview_link_s
  entityType: URL
- fieldMappings:
  - identifier: HostName
    columnName: meta_host_s
  entityType: Host
requiredDataConnectors:
- dataTypes:
  - HackerViewLog_Azure_1_CL
  connectorId: HVPollingIDAzureFunctions

ARM