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

ARM