Microsoft Sentinel Analytic Rules
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GitLab - SSO - Sign-Ins Burst

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Id57b1634b-531d-4eab-a456-8b855887428f
RulenameGitLab - SSO - Sign-Ins Burst
DescriptionThis query relies on Microsoft Entra ID sign-in activity when Microsoft Entra ID is used for SSO with GitLab to highlights GitLab accounts associated with multiple authentications from different geographical locations in a short space of time.
SeverityMedium
TacticsCredentialAccess
TechniquesT1110
Required data connectorsAzureActiveDirectory
KindScheduled
Query frequency1h
Query period1d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_SignInBurst.yaml
Version1.0.1
Arm template57b1634b-531d-4eab-a456-8b855887428f.json
Deploy To Azure
let locationCountMin = 1;
let appRegistrationName = "GitLab";
SigninLogs
| where AppDisplayName == appRegistrationName
| where ResultType == 0
| where Location != ""
| summarize CountOfLocations = dcount(Location), Locations = make_set(Location) by User = Identity
| where CountOfLocations > locationCountMin
status: Available
description: |
    'This query relies on Microsoft Entra ID sign-in activity when Microsoft Entra ID is used for SSO with GitLab to highlights GitLab accounts associated with multiple authentications from different geographical locations in a short space of time.'
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_SignInBurst.yaml
version: 1.0.1
triggerThreshold: 0
kind: Scheduled
queryPeriod: 1d
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: User
    identifier: FullName
requiredDataConnectors:
- connectorId: AzureActiveDirectory
  dataTypes:
  - SigninLogs
triggerOperator: gt
id: 57b1634b-531d-4eab-a456-8b855887428f
name: GitLab - SSO - Sign-Ins Burst
query: |
  let locationCountMin = 1;
  let appRegistrationName = "GitLab";
  SigninLogs
  | where AppDisplayName == appRegistrationName
  | where ResultType == 0
  | where Location != ""
  | summarize CountOfLocations = dcount(Location), Locations = make_set(Location) by User = Identity
  | where CountOfLocations > locationCountMin  
tactics:
- CredentialAccess
queryFrequency: 1h
relevantTechniques:
- T1110
severity: Medium
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "apiVersion": "2023-02-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/57b1634b-531d-4eab-a456-8b855887428f')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/57b1634b-531d-4eab-a456-8b855887428f')]",
      "properties": {
        "alertRuleTemplateName": "57b1634b-531d-4eab-a456-8b855887428f",
        "customDetails": null,
        "description": "'This query relies on Microsoft Entra ID sign-in activity when Microsoft Entra ID is used for SSO with GitLab to highlights GitLab accounts associated with multiple authentications from different geographical locations in a short space of time.'\n",
        "displayName": "GitLab - SSO - Sign-Ins Burst",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "User",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_SignInBurst.yaml",
        "query": "let locationCountMin = 1;\nlet appRegistrationName = \"GitLab\";\nSigninLogs\n| where AppDisplayName == appRegistrationName\n| where ResultType == 0\n| where Location != \"\"\n| summarize CountOfLocations = dcount(Location), Locations = make_set(Location) by User = Identity\n| where CountOfLocations > locationCountMin\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "status": "Available",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1110"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}