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

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

ARM