HoneyLabs TI Map IP Entity to SigninLogs

let dt_lookBack = 1h;
let ioc_lookBack = 14d;
let HoneyLabs_IPs = ThreatIntelIndicators
  | where TimeGenerated >= ago(ioc_lookBack)
  | where IsActive == true and ValidUntil > now()
  | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id
  | where SourceSystem startswith 'HoneyLabs'
  | where ObservableKey == 'ipv4-addr:value'
  | extend TI_ipEntity = tostring(ObservableValue),
           HoneyLabsConfidence = Confidence,
           HoneyLabsLabels = tostring(Data.labels),
           IndicatorDescription = tostring(Data.description),
           HoneyLabsReport = strcat('https://honeylabs.net/lookup/', tostring(ObservableValue));
let aadSignin = SigninLogs | where TimeGenerated >= ago(dt_lookBack)
  | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;
let aadNonInt = AADNonInteractiveUserSignInLogs | where TimeGenerated >= ago(dt_lookBack)
  | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;
HoneyLabs_IPs
| join kind=innerunique (union isfuzzy=true aadSignin, aadNonInt
    | extend CS_ipEntity = IPAddress
    | extend Signin_TimeGenerated = TimeGenerated
) on $left.TI_ipEntity == $right.CS_ipEntity
| where Signin_TimeGenerated < ValidUntil
| summarize Signin_TimeGenerated = arg_max(Signin_TimeGenerated, *) by Id, CS_ipEntity
| project Signin_TimeGenerated, IndicatorDescription, Id, ValidUntil, HoneyLabsConfidence,
  HoneyLabsLabels, HoneyLabsReport, TI_ipEntity, CS_ipEntity, UserPrincipalName, ResultType,
  AppDisplayName, Location
| extend timestamp = Signin_TimeGenerated

tactics:
- InitialAccess
- CredentialAccess
name: HoneyLabs TI Map IP Entity to SigninLogs
version: 1.0.0
queryFrequency: 1h
requiredDataConnectors:
- connectorId: ThreatIntelligenceTaxii
  dataTypes:
  - ThreatIntelligenceIndicator
- connectorId: AzureActiveDirectory
  dataTypes:
  - SigninLogs
- connectorId: AzureActiveDirectory
  dataTypes:
  - AADNonInteractiveUserSignInLogs
id: a573396f-06ed-4139-bccc-e0f88a2cf625
triggerThreshold: 0
entityMappings:
- fieldMappings:
  - identifier: Address
    columnName: CS_ipEntity
  entityType: IP
- fieldMappings:
  - identifier: FullName
    columnName: UserPrincipalName
  entityType: Account
queryPeriod: 14d
severity: Medium
relevantTechniques:
- T1190
- T1110
description: |
  'Identifies sign-ins (interactive and non-interactive) from IP addresses that HoneyLabs honeypot telemetry has observed running exploit or loader commands. A hit means credential access is being attempted from infrastructure with recent, evidenced malicious activity. Indicator Confidence reflects how much evidence HoneyLabs holds (90 = 100+ observed attacks, 60 = a single sighting); raise the threshold in the query to trade coverage for precision.'
triggerOperator: gt
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/HoneyLabs/Analytic%20Rules/HoneyLabsTIMapIPEntitySigninLogs.yaml
kind: Scheduled
query: |
  let dt_lookBack = 1h;
  let ioc_lookBack = 14d;
  let HoneyLabs_IPs = ThreatIntelIndicators
    | where TimeGenerated >= ago(ioc_lookBack)
    | where IsActive == true and ValidUntil > now()
    | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id
    | where SourceSystem startswith 'HoneyLabs'
    | where ObservableKey == 'ipv4-addr:value'
    | extend TI_ipEntity = tostring(ObservableValue),
             HoneyLabsConfidence = Confidence,
             HoneyLabsLabels = tostring(Data.labels),
             IndicatorDescription = tostring(Data.description),
             HoneyLabsReport = strcat('https://honeylabs.net/lookup/', tostring(ObservableValue));
  let aadSignin = SigninLogs | where TimeGenerated >= ago(dt_lookBack)
    | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;
  let aadNonInt = AADNonInteractiveUserSignInLogs | where TimeGenerated >= ago(dt_lookBack)
    | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;
  HoneyLabs_IPs
  | join kind=innerunique (union isfuzzy=true aadSignin, aadNonInt
      | extend CS_ipEntity = IPAddress
      | extend Signin_TimeGenerated = TimeGenerated
  ) on $left.TI_ipEntity == $right.CS_ipEntity
  | where Signin_TimeGenerated < ValidUntil
  | summarize Signin_TimeGenerated = arg_max(Signin_TimeGenerated, *) by Id, CS_ipEntity
  | project Signin_TimeGenerated, IndicatorDescription, Id, ValidUntil, HoneyLabsConfidence,
    HoneyLabsLabels, HoneyLabsReport, TI_ipEntity, CS_ipEntity, UserPrincipalName, ResultType,
    AppDisplayName, Location
  | extend timestamp = Signin_TimeGenerated

{
  "$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/a573396f-06ed-4139-bccc-e0f88a2cf625')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/a573396f-06ed-4139-bccc-e0f88a2cf625')]",
      "properties": {
        "alertRuleTemplateName": "a573396f-06ed-4139-bccc-e0f88a2cf625",
        "customDetails": null,
        "description": "'Identifies sign-ins (interactive and non-interactive) from IP addresses that HoneyLabs honeypot telemetry has observed running exploit or loader commands. A hit means credential access is being attempted from infrastructure with recent, evidenced malicious activity. Indicator Confidence reflects how much evidence HoneyLabs holds (90 = 100+ observed attacks, 60 = a single sighting); raise the threshold in the query to trade coverage for precision.'\n",
        "displayName": "HoneyLabs TI Map IP Entity to SigninLogs",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "CS_ipEntity",
                "identifier": "Address"
              }
            ]
          },
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "UserPrincipalName",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/HoneyLabs/Analytic%20Rules/HoneyLabsTIMapIPEntitySigninLogs.yaml",
        "query": "let dt_lookBack = 1h;\nlet ioc_lookBack = 14d;\nlet HoneyLabs_IPs = ThreatIntelIndicators\n  | where TimeGenerated >= ago(ioc_lookBack)\n  | where IsActive == true and ValidUntil > now()\n  | summarize LatestIndicatorTime = arg_max(TimeGenerated, *) by Id\n  | where SourceSystem startswith 'HoneyLabs'\n  | where ObservableKey == 'ipv4-addr:value'\n  | extend TI_ipEntity = tostring(ObservableValue),\n           HoneyLabsConfidence = Confidence,\n           HoneyLabsLabels = tostring(Data.labels),\n           IndicatorDescription = tostring(Data.description),\n           HoneyLabsReport = strcat('https://honeylabs.net/lookup/', tostring(ObservableValue));\nlet aadSignin = SigninLogs | where TimeGenerated >= ago(dt_lookBack)\n  | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;\nlet aadNonInt = AADNonInteractiveUserSignInLogs | where TimeGenerated >= ago(dt_lookBack)\n  | project TimeGenerated, IPAddress, UserPrincipalName, ResultType, AppDisplayName, Location;\nHoneyLabs_IPs\n| join kind=innerunique (union isfuzzy=true aadSignin, aadNonInt\n    | extend CS_ipEntity = IPAddress\n    | extend Signin_TimeGenerated = TimeGenerated\n) on $left.TI_ipEntity == $right.CS_ipEntity\n| where Signin_TimeGenerated < ValidUntil\n| summarize Signin_TimeGenerated = arg_max(Signin_TimeGenerated, *) by Id, CS_ipEntity\n| project Signin_TimeGenerated, IndicatorDescription, Id, ValidUntil, HoneyLabsConfidence,\n  HoneyLabsLabels, HoneyLabsReport, TI_ipEntity, CS_ipEntity, UserPrincipalName, ResultType,\n  AppDisplayName, Location\n| extend timestamp = Signin_TimeGenerated\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P14D",
        "severity": "Medium",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess",
          "InitialAccess"
        ],
        "techniques": [
          "T1110",
          "T1190"
        ],
        "templateVersion": "1.0.0",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}