GitLab - Personal Access Tokens creation over time

// l_min_tokens_created - minimum tokens created per repository per user per day to consider
let l_min_tokens_created = 0;
let interval = 1d;
GitLabAudit
| where TargetType == "PersonalAccessToken"
| project Severity, TimeGenerated = bin(todatetime(EventTime),1d), AuthorName, IPAddress, Repository = EntityName, Action, TargetType
| summarize total = count() by Repository, TimeGenerated, AuthorName
| where total >= l_min_tokens_created

name: GitLab - Personal Access Tokens creation over time
tactics:
- Collection
requiredDataConnectors:
- connectorId: SyslogAma
  dataTypes:
  - Syslog
triggerOperator: gt
id: 4d6d8b0e-6d9a-4857-a141-f5d89393cddb
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic%20Rules/GitLab_PAT_Repo.yaml
description: |
  'This queries GitLab Audit Logs for access tokens. Attacker can exfiltrate data from you GitLab repository after gaining access to it by generating or hijacking access tokens. 
  This hunting queries allows you to track the personal access tokens creation for each of your repositories. 
  The visualization allow you to quickly identify anomalies/excessive creation, to further investigate repo access & permissions.'
kind: Scheduled
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: AuthorName
    identifier: FullName
queryFrequency: 1h
relevantTechniques:
- T1213
query: |
  // l_min_tokens_created - minimum tokens created per repository per user per day to consider
  let l_min_tokens_created = 0;
  let interval = 1d;
  GitLabAudit
  | where TargetType == "PersonalAccessToken"
  | project Severity, TimeGenerated = bin(todatetime(EventTime),1d), AuthorName, IPAddress, Repository = EntityName, Action, TargetType
  | summarize total = count() by Repository, TimeGenerated, AuthorName
  | where total >= l_min_tokens_created
triggerThreshold: 0
queryPeriod: 1d
version: 1.0.1
status: Available
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": "2024-01-01-preview",
      "id": "[concat(resourceId('Microsoft.OperationalInsights/workspaces/providers', parameters('workspace'), 'Microsoft.SecurityInsights'),'/alertRules/4d6d8b0e-6d9a-4857-a141-f5d89393cddb')]",
      "kind": "Scheduled",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/4d6d8b0e-6d9a-4857-a141-f5d89393cddb')]",
      "properties": {
        "alertRuleTemplateName": "4d6d8b0e-6d9a-4857-a141-f5d89393cddb",
        "customDetails": null,
        "description": "'This queries GitLab Audit Logs for access tokens. Attacker can exfiltrate data from you GitLab repository after gaining access to it by generating or hijacking access tokens. \nThis hunting queries allows you to track the personal access tokens creation for each of your repositories. \nThe visualization allow you to quickly identify anomalies/excessive creation, to further investigate repo access & permissions.'\n",
        "displayName": "GitLab - Personal Access Tokens creation over time",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "AuthorName",
                "identifier": "FullName"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitLab/Analytic%20Rules/GitLab_PAT_Repo.yaml",
        "query": "// l_min_tokens_created - minimum tokens created per repository per user per day to consider\nlet l_min_tokens_created = 0;\nlet interval = 1d;\nGitLabAudit\n| where TargetType == \"PersonalAccessToken\"\n| project Severity, TimeGenerated = bin(todatetime(EventTime),1d), AuthorName, IPAddress, Repository = EntityName, Action, TargetType\n| summarize total = count() by Repository, TimeGenerated, AuthorName\n| where total >= l_min_tokens_created\n",
        "queryFrequency": "PT1H",
        "queryPeriod": "P1D",
        "severity": "Medium",
        "status": "Available",
        "subTechniques": [],
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "Collection"
        ],
        "techniques": [
          "T1213"
        ],
        "templateVersion": "1.0.1",
        "triggerOperator": "GreaterThan",
        "triggerThreshold": 0
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}