CiscoSecureEndpoint
| where EventMessage has 'Suspected botnet connection'
| extend HostCustomEntity = DstHostname, MalwareCustomEntity = ThreatName
queryFrequency: 15m
description: |
'This rule is triggered when connection to known C2 is detected from host.'
name: Cisco SE - Connection to known C2 server
relevantTechniques:
- T1071
triggerThreshold: 0
status: Available
id: 0f788a93-dc88-4f80-89ef-bef7cd0fef05
requiredDataConnectors:
- dataTypes:
- CiscoSecureEndpoint
connectorId: CiscoSecureEndpoint
entityMappings:
- entityType: Host
fieldMappings:
- identifier: HostName
columnName: HostCustomEntity
- entityType: Malware
fieldMappings:
- identifier: Name
columnName: MalwareCustomEntity
queryPeriod: 15m
query: |
CiscoSecureEndpoint
| where EventMessage has 'Suspected botnet connection'
| extend HostCustomEntity = DstHostname, MalwareCustomEntity = ThreatName
kind: Scheduled
severity: High
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoSEC2Connection.yaml
version: 1.0.0
triggerOperator: gt
tactics:
- CommandAndControl
{
"$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/0f788a93-dc88-4f80-89ef-bef7cd0fef05')]",
"kind": "Scheduled",
"name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/0f788a93-dc88-4f80-89ef-bef7cd0fef05')]",
"properties": {
"alertRuleTemplateName": "0f788a93-dc88-4f80-89ef-bef7cd0fef05",
"customDetails": null,
"description": "'This rule is triggered when connection to known C2 is detected from host.'\n",
"displayName": "Cisco SE - Connection to known C2 server",
"enabled": true,
"entityMappings": [
{
"entityType": "Host",
"fieldMappings": [
{
"columnName": "HostCustomEntity",
"identifier": "HostName"
}
]
},
{
"entityType": "Malware",
"fieldMappings": [
{
"columnName": "MalwareCustomEntity",
"identifier": "Name"
}
]
}
],
"OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Cisco Secure Endpoint/Analytic Rules/CiscoSEC2Connection.yaml",
"query": "CiscoSecureEndpoint\n| where EventMessage has 'Suspected botnet connection'\n| extend HostCustomEntity = DstHostname, MalwareCustomEntity = ThreatName\n",
"queryFrequency": "PT15M",
"queryPeriod": "PT15M",
"severity": "High",
"status": "Available",
"subTechniques": [],
"suppressionDuration": "PT1H",
"suppressionEnabled": false,
"tactics": [
"CommandAndControl"
],
"techniques": [
"T1071"
],
"templateVersion": "1.0.0",
"triggerOperator": "GreaterThan",
"triggerThreshold": 0
},
"type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
}
]
}