Microsoft Sentinel Analytic Rules
cloudbrothers.infoAzure Sentinel RepoToggle Dark/Light/Auto modeToggle Dark/Light/Auto modeToggle Dark/Light/Auto modeBack to homepage

NRT GitHub Two Factor Auth Disable

Back
Id594c653d-719a-4c23-b028-36e3413e632e
RulenameNRT GitHub Two Factor Auth Disable
DescriptionTwo-factor authentication is a process where a user is prompted during the sign-in process for an additional form of identification, such as to enter a code on their cellphone or to provide a fingerprint scan. Two factor authentication reduces the risk of account takeover. Attacker will want to disable such security tools in order to go undetected.
SeverityMedium
TacticsDefenseEvasion
TechniquesT1562
KindNRT
Source Urihttps://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/NRT Two Factor Authentication Disabled.yaml
Version1.0.2
Arm template594c653d-719a-4c23-b028-36e3413e632e.json
Deploy To Azure
GitHubAudit
| where Action == "org.disable_two_factor_requirement"
| project TimeGenerated, Action, Actor, Country, IPaddress, Repository
| extend Name = iif(Actor contains "@", split(Actor, "@")[0], Actor)
| extend UPNSuffix = iif(Actor contains "@", split(Actor, "@")[1], "")
version: 1.0.2
tactics:
- DefenseEvasion
requiredDataConnectors: []
relevantTechniques:
- T1562
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/NRT Two Factor Authentication Disabled.yaml
description: |
    'Two-factor authentication is a process where a user is prompted during the sign-in process for an additional form of identification, such as to enter a code on their cellphone or to provide a fingerprint scan. Two factor authentication reduces the risk of account takeover. Attacker will want to disable such security tools in order to go undetected. '
kind: NRT
severity: Medium
id: 594c653d-719a-4c23-b028-36e3413e632e
entityMappings:
- entityType: Account
  fieldMappings:
  - columnName: Actor
    identifier: FullName
  - columnName: Name
    identifier: Name
  - columnName: UPNSuffix
    identifier: UPNSuffix
- entityType: IP
  fieldMappings:
  - columnName: IPaddress
    identifier: Address
name: NRT GitHub Two Factor Auth Disable
query: |
  GitHubAudit
  | where Action == "org.disable_two_factor_requirement"
  | project TimeGenerated, Action, Actor, Country, IPaddress, Repository
  | extend Name = iif(Actor contains "@", split(Actor, "@")[0], Actor)
  | extend UPNSuffix = iif(Actor contains "@", split(Actor, "@")[1], "")  
{
  "$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/594c653d-719a-4c23-b028-36e3413e632e')]",
      "kind": "NRT",
      "name": "[concat(parameters('workspace'),'/Microsoft.SecurityInsights/594c653d-719a-4c23-b028-36e3413e632e')]",
      "properties": {
        "alertRuleTemplateName": "594c653d-719a-4c23-b028-36e3413e632e",
        "customDetails": null,
        "description": "'Two-factor authentication is a process where a user is prompted during the sign-in process for an additional form of identification, such as to enter a code on their cellphone or to provide a fingerprint scan. Two factor authentication reduces the risk of account takeover. Attacker will want to disable such security tools in order to go undetected. '\n",
        "displayName": "NRT GitHub Two Factor Auth Disable",
        "enabled": true,
        "entityMappings": [
          {
            "entityType": "Account",
            "fieldMappings": [
              {
                "columnName": "Actor",
                "identifier": "FullName"
              },
              {
                "columnName": "Name",
                "identifier": "Name"
              },
              {
                "columnName": "UPNSuffix",
                "identifier": "UPNSuffix"
              }
            ]
          },
          {
            "entityType": "IP",
            "fieldMappings": [
              {
                "columnName": "IPaddress",
                "identifier": "Address"
              }
            ]
          }
        ],
        "OriginalUri": "https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/GitHub/Analytic Rules/NRT Two Factor Authentication Disabled.yaml",
        "query": "GitHubAudit\n| where Action == \"org.disable_two_factor_requirement\"\n| project TimeGenerated, Action, Actor, Country, IPaddress, Repository\n| extend Name = iif(Actor contains \"@\", split(Actor, \"@\")[0], Actor)\n| extend UPNSuffix = iif(Actor contains \"@\", split(Actor, \"@\")[1], \"\")\n",
        "severity": "Medium",
        "suppressionDuration": "PT1H",
        "suppressionEnabled": false,
        "tactics": [
          "DefenseEvasion"
        ],
        "techniques": [
          "T1562"
        ],
        "templateVersion": "1.0.2"
      },
      "type": "Microsoft.OperationalInsights/workspaces/providers/alertRules"
    }
  ]
}