Cisco Umbrella - Connection to non-corporate private network
| Id | c9b6d281-b96b-4763-b728-9a04b9fe1246 |
| Rulename | Cisco Umbrella - Connection to non-corporate private network |
| Description | IP addresses of broadband links that usually indicates users attempting to access their home network, for example for a remote session to a home computer. |
| Severity | Medium |
| Tactics | CommandAndControl Exfiltration |
| Required data connectors | CiscoUmbrellaDataConnector |
| Kind | Scheduled |
| Query frequency | 10m |
| Query period | 10m |
| Trigger threshold | 0 |
| Trigger operator | gt |
| Source Uri | https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CiscoUmbrella/CiscoUmbrellaConnectionNon-CorporatePrivateNetwork.yaml |
| Version | 1.1.1 |
| Arm template | c9b6d281-b96b-4763-b728-9a04b9fe1246.json |
let lbtime = 10m;
Cisco_Umbrella
| where TimeGenerated > ago(lbtime)
| where EventType == 'proxylogs'
| where DvcAction =~ 'Allowed'
| where UrlCategory has_any ('Dynamic and Residential', 'Personal VPN')
| project TimeGenerated, SrcIpAddr, Identities
queryPeriod: 10m
query: |
let lbtime = 10m;
Cisco_Umbrella
| where TimeGenerated > ago(lbtime)
| where EventType == 'proxylogs'
| where DvcAction =~ 'Allowed'
| where UrlCategory has_any ('Dynamic and Residential', 'Personal VPN')
| project TimeGenerated, SrcIpAddr, Identities
name: Cisco Umbrella - Connection to non-corporate private network
entityMappings:
- fieldMappings:
- columnName: Identities
identifier: FullName
entityType: Account
- fieldMappings:
- columnName: SrcIpAddr
identifier: Address
entityType: IP
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/CiscoUmbrella/CiscoUmbrellaConnectionNon-CorporatePrivateNetwork.yaml
description: |
'IP addresses of broadband links that usually indicates users attempting to access their home network, for example for a remote session to a home computer.'
kind: Scheduled
version: 1.1.1
queryFrequency: 10m
severity: Medium
requiredDataConnectors:
- connectorId: CiscoUmbrellaDataConnector
dataTypes:
- Cisco_Umbrella_proxy_CL
triggerOperator: gt
triggerThreshold: 0
tactics:
- CommandAndControl
- Exfiltration
id: c9b6d281-b96b-4763-b728-9a04b9fe1246