Cisco SE High Events Last Hour
Id | 4683ebce-07ad-4089-89e3-39d8fe83c011 |
Rulename | Cisco SE High Events Last Hour |
Description | Find events from Cisco Secure Endpoint that are of High severity in the last hour. |
Severity | High |
Tactics | Execution InitialAccess |
Required data connectors | CiscoSecureEndpoint |
Kind | Scheduled |
Query frequency | 1h |
Query period | 1h |
Trigger threshold | 0 |
Trigger operator | gt |
Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoEndpointHighAlert.yaml |
Version | 1.0.0 |
Arm template | 4683ebce-07ad-4089-89e3-39d8fe83c011.json |
let endtime = 1h;
CiscoSecureEndpoint_CL
| where TimeGenerated >= ago(endtime)
| where severity_s == "High"
| project NetworkAddresses = parse_json(computer_network_addresses_s), computer_hostname_s, date_t, event_type_s, computer_links_trajectory_s
| summarize CountInLastHour = count() by computer_hostname_s, date_t, event_type_s, tostring(NetworkAddresses.ip), computer_links_trajectory_s
kind: Scheduled
triggerOperator: gt
queryFrequency: 1h
name: Cisco SE High Events Last Hour
queryPeriod: 1h
id: 4683ebce-07ad-4089-89e3-39d8fe83c011
description: |
'Find events from Cisco Secure Endpoint that are of High severity in the last hour.'
severity: High
query: |
let endtime = 1h;
CiscoSecureEndpoint_CL
| where TimeGenerated >= ago(endtime)
| where severity_s == "High"
| project NetworkAddresses = parse_json(computer_network_addresses_s), computer_hostname_s, date_t, event_type_s, computer_links_trajectory_s
| summarize CountInLastHour = count() by computer_hostname_s, date_t, event_type_s, tostring(NetworkAddresses.ip), computer_links_trajectory_s
triggerThreshold: 0
version: 1.0.0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoEndpointHighAlert.yaml
entityMappings:
- entityType: IP
fieldMappings:
- identifier: Address
columnName: NetworkAddresses_ip
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: computer_hostname_s
- entityType: URL
fieldMappings:
- identifier: Url
columnName: computer_links_trajectory_s
requiredDataConnectors:
- connectorId: CiscoSecureEndpoint
dataTypes:
- CiscoSecureEndpoint_CL
tactics:
- Execution
- InitialAccess
status: Available
{
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"workspace": {
"type": "String"
}
},
"resources": [
{
"id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/4683ebce-07ad-4089-89e3-39d8fe83c011')]",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4683ebce-07ad-4089-89e3-39d8fe83c011')]",
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
"kind": "Scheduled",
"apiVersion": "2022-11-01-preview",
"properties": {
"displayName": "Cisco SE High Events Last Hour",
"description": "'Find events from Cisco Secure Endpoint that are of High severity in the last hour.'\n",
"severity": "High",
"enabled": true,
"query": "let endtime = 1h;\nCiscoSecureEndpoint_CL\n| where TimeGenerated >= ago(endtime)\n| where severity_s == \"High\"\n| project NetworkAddresses = parse_json(computer_network_addresses_s), computer_hostname_s, date_t, event_type_s, computer_links_trajectory_s\n| summarize CountInLastHour = count() by computer_hostname_s, date_t, event_type_s, tostring(NetworkAddresses.ip), computer_links_trajectory_s\n",
"queryFrequency": "PT1H",
"queryPeriod": "PT1H",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0,
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"Execution",
"InitialAccess"
],
"alertRuleTemplateName": "4683ebce-07ad-4089-89e3-39d8fe83c011",
"customDetails": null,
"entityMappings": [
{
"fieldMappings": [
{
"identifier": "Address",
"columnName": "NetworkAddresses_ip"
}
],
"entityType": "IP"
},
{
"fieldMappings": [
{
"identifier": "HostName",
"columnName": "computer_hostname_s"
}
],
"entityType": "Host"
},
{
"fieldMappings": [
{
"identifier": "Url",
"columnName": "computer_links_trajectory_s"
}
],
"entityType": "URL"
}
],
"templateVersion": "1.0.0",
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoEndpointHighAlert.yaml",
"status": "Available"
}
}
]
}