Microsoft Sentinel Analytic Rules
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GitLab - Local Auth - No MFA

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Ide0b45487-5c79-482d-8ac0-695de8c031af
RulenameGitLab - Local Auth - No MFA
DescriptionThis query checks GitLab Audit Logs to see if a user authenticated without MFA. Ot might mean that MFA was disabled for the GitLab server or that an external authentication provider was bypassed. This rule focuses on ‘admin’ privileges but the parameter can be adapted to also include all users.
SeverityMedium
TacticsCredentialAccess
TechniquesT1110
Required data connectorsSyslog
KindScheduled
Query frequency1h
Query period1d
Trigger threshold0
Trigger operatorgt
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_LocalAuthNoMFA.yaml
Version1.0.0
Arm templatee0b45487-5c79-482d-8ac0-695de8c031af.json
Deploy To Azure
let isAdmin = true;
GitLabAudit
| where AuthenticationType == "standard" and ((isAdmin and TargetDetails contains "Administrator") or (isAdmin==false));
triggerOperator: gt
version: 1.0.0
query: |
  let isAdmin = true;
  GitLabAudit
  | where AuthenticationType == "standard" and ((isAdmin and TargetDetails contains "Administrator") or (isAdmin==false));  
status: Available
entityMappings:
- entityType: IP
  fieldMappings:
  - columnName: IPAddress
    identifier: Address
- entityType: Account
  fieldMappings:
  - columnName: AuthorUserName
    identifier: FullName
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_LocalAuthNoMFA.yaml
queryFrequency: 1h
requiredDataConnectors:
- connectorId: Syslog
  dataTypes:
  - Syslog
name: GitLab - Local Auth - No MFA
queryPeriod: 1d
severity: Medium
kind: Scheduled
tactics:
- CredentialAccess
id: e0b45487-5c79-482d-8ac0-695de8c031af
description: |
    'This query checks GitLab Audit Logs to see if a user authenticated without MFA. Ot might mean that MFA was disabled for the GitLab server or that an external authentication provider was bypassed. This rule focuses on 'admin' privileges but the parameter can be adapted to also include all users.'
relevantTechniques:
- T1110
triggerThreshold: 0
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "workspace": {
      "type": "String"
    }
  },
  "resources": [
    {
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/e0b45487-5c79-482d-8ac0-695de8c031af')]",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/e0b45487-5c79-482d-8ac0-695de8c031af')]",
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules",
      "kind": "Scheduled",
      "apiVersion": "2022-11-01-preview",
      "properties": {
        "displayName": "GitLab - Local Auth - No MFA",
        "description": "'This query checks GitLab Audit Logs to see if a user authenticated without MFA. Ot might mean that MFA was disabled for the GitLab server or that an external authentication provider was bypassed. This rule focuses on 'admin' privileges but the parameter can be adapted to also include all users.'\n",
        "severity": "Medium",
        "enabled": true,
        "query": "let isAdmin = true;\nGitLabAudit\n| where AuthenticationType == \"standard\" and ((isAdmin and TargetDetails contains \"Administrator\") or (isAdmin==false));\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P1D",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0,
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "CredentialAccess"
        ],
        "techniques": [
          "T1110"
        ],
        "alertRuleTemplateName": "e0b45487-5c79-482d-8ac0-695de8c031af",
        "customDetails": null,
        "entityMappings": [
          {
            "fieldMappings": [
              {
                "columnName": "IPAddress",
                "identifier": "Address"
              }
            ],
            "entityType": "IP"
          },
          {
            "fieldMappings": [
              {
                "columnName": "AuthorUserName",
                "identifier": "FullName"
              }
            ],
            "entityType": "Account"
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic Rules/GitLab_LocalAuthNoMFA.yaml",
        "status": "Available",
        "templateVersion": "1.0.0"
      }
    }
  ]
}