Solorigate Defender Detections

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Id	e70fa6e0-796a-4e85-9420-98b17b0bb749
Rulename	Solorigate Defender Detections
Description	Surfaces any Defender Alert for Solorigate Events. In Microsoft Sentinel the SecurityAlerts table includes only the Device Name of the affected device, this query joins the DeviceInfo table to clearly connect other information such as Device group, ip, logged on users etc. This way, the Microsoft Sentinel user can have all the pertinent device info in one view for all the the Solarigate Defender alerts.
Severity	High
Tactics	InitialAccess
Techniques	T1195
Required data connectors	MicrosoftDefenderAdvancedThreatProtection MicrosoftThreatProtection
Kind	Scheduled
Query frequency	1d
Query period	1d
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityAlert/Solorigate-Defender-Detections.yaml
Version	1.0.5
Arm template	e70fa6e0-796a-4e85-9420-98b17b0bb749.json

KQL

DeviceInfo
| extend DeviceName = tolower(DeviceName)
| join (SecurityAlert
| where ProviderName =~ "MDATP"
| extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
| where ThreatName has "Solorigate"
) on $left.DeviceName == $right.CompromisedEntity
| project TimeGenerated, DisplayName, ThreatName, CompromisedEntity, PublicIP, MachineGroup, AlertSeverity, Description, LoggedOnUsers, DeviceId, TenantId
| extend HostName = tostring(split(CompromisedEntity, ".")[0]), DomainIndex = toint(indexof(CompromisedEntity, '.'))
| extend HostNameDomain = iff(DomainIndex != -1, substring(CompromisedEntity, DomainIndex + 1), CompromisedEntity)
| project-away DomainIndex

YAML

name: Solorigate Defender Detections
query: |
  DeviceInfo
  | extend DeviceName = tolower(DeviceName)
  | join (SecurityAlert
  | where ProviderName =~ "MDATP"
  | extend ThreatName = tostring(parse_json(ExtendedProperties).ThreatName)
  | where ThreatName has "Solorigate"
  ) on $left.DeviceName == $right.CompromisedEntity
  | project TimeGenerated, DisplayName, ThreatName, CompromisedEntity, PublicIP, MachineGroup, AlertSeverity, Description, LoggedOnUsers, DeviceId, TenantId
  | extend HostName = tostring(split(CompromisedEntity, ".")[0]), DomainIndex = toint(indexof(CompromisedEntity, '.'))
  | extend HostNameDomain = iff(DomainIndex != -1, substring(CompromisedEntity, DomainIndex + 1), CompromisedEntity)
  | project-away DomainIndex  
entityMappings:
- entityType: Host
  fieldMappings:
  - columnName: CompromisedEntity
    identifier: FullName
  - columnName: HostName
    identifier: HostName
  - columnName: HostNameDomain
    identifier: DnsDomain
- entityType: IP
  fieldMappings:
  - columnName: PublicIP
    identifier: Address
queryPeriod: 1d
tactics:
- InitialAccess
triggerOperator: gt
kind: Scheduled
triggerThreshold: 0
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityAlert/Solorigate-Defender-Detections.yaml
relevantTechniques:
- T1195
id: e70fa6e0-796a-4e85-9420-98b17b0bb749
tags:
- Solorigate
- NOBELIUM
severity: High
requiredDataConnectors:
- connectorId: MicrosoftDefenderAdvancedThreatProtection
  dataTypes:
  - SecurityAlert (MDATP)
- connectorId: MicrosoftThreatProtection
  dataTypes:
  - DeviceInfo
version: 1.0.5
description: |
  'Surfaces any Defender Alert for Solorigate Events. In Microsoft Sentinel the SecurityAlerts table includes only the Device Name of the affected device, this query joins the DeviceInfo table to clearly connect other information such as
   Device group, ip, logged on users etc. This way, the Microsoft Sentinel user can have all the pertinent device info in one view for all the the Solarigate Defender alerts.'  
metadata:
  categories:
    domains:
    - Security - 0-day Vulnerability
  source:
    kind: Community
  support:
    tier: Community
  author:
    name: Microsoft Security Research
queryFrequency: 1d

ARM