TLS Certificate Using Weak Cipher - Informational
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 | 1.0.2 |
Arm template | 1bdf3cba-6b85-4b88-ab1e-681bac20d41f.json |
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"
severity: Informational
id: 1bdf3cba-6b85-4b88-ab1e-681bac20d41f
suppressionDuration: 5h
suppressionEnabled: false
queryFrequency: 5m
queryPeriod: 5m
relevantTechniques:
- T1556
- T1210
- T1212
triggerOperator: gt
status: Available
tactics:
- CredentialAccess
- LateralMovement
- DefenseEvasion
- Persistence
kind: Scheduled
description: |
'TLS Certificate Using Weak Cipher'
eventGroupingSettings:
aggregationKind: SingleAlert
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherInformational.yaml
requiredDataConnectors:
- dataTypes:
- HackerViewLog_Azure_1_CL
connectorId: HVPollingIDAzureFunctions
entityMappings:
- entityType: IP
fieldMappings:
- columnName: meta_resolved_ip_s
identifier: Address
- entityType: Host
fieldMappings:
- columnName: meta_host_s
identifier: HostName
- entityType: URL
fieldMappings:
- columnName: hackerview_link_s
identifier: Url
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"
version: 1.0.2
incidentConfiguration:
createIncident: true
groupingConfiguration:
groupByCustomDetails: []
reopenClosedIncident: false
enabled: false
lookbackDuration: PT5H
groupByEntities: []
matchingMethod: AllEntities
groupByAlertDetails: []
name: TLS Certificate Using Weak Cipher - Informational
triggerThreshold: 0
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"apiVersion": "2024-01-01-preview",
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/1bdf3cba-6b85-4b88-ab1e-681bac20d41f')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/1bdf3cba-6b85-4b88-ab1e-681bac20d41f')]",
"properties": {
"alertRuleTemplateName": "1bdf3cba-6b85-4b88-ab1e-681bac20d41f",
"customDetails": null,
"description": "'TLS Certificate Using Weak Cipher'\n",
"displayName": "TLS Certificate Using Weak Cipher - Informational",
"enabled": true,
"entityMappings": [
{
"entityType": "IP",
"fieldMappings": [
{
"columnName": "meta_resolved_ip_s",
"identifier": "Address"
}
]
},
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "meta_host_s",
"identifier": "HostName"
}
]
},
{
"entityType": "URL",
"fieldMappings": [
{
"columnName": "hackerview_link_s",
"identifier": "Url"
}
]
}
],
"eventGroupingSettings": {
"aggregationKind": "SingleAlert"
},
"incidentConfiguration": {
"createIncident": true,
"groupingConfiguration": {
"enabled": false,
"groupByAlertDetails": [],
"groupByCustomDetails": [],
"groupByEntities": [],
"lookbackDuration": "PT5H",
"matchingMethod": "AllEntities",
"reopenClosedIncident": false
}
},
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/CTM360/Analytic Rules/TLSCertificateUsingWeakCipherInformational.yaml",
"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\"",
"queryFrequency": "PT5M",
"queryPeriod": "PT5M",
"severity": "Informational",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT5H",
"suppressionEnabled": false,
"tactics": [
"CredentialAccess",
"DefenseEvasion",
"LateralMovement",
"Persistence"
],
"techniques": [
"T1210",
"T1212",
"T1556"
],
"templateVersion": "1.0.2",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}