Github High Risk Configuration Disabled

 Original Source: [Sigma source]
Title: Github High Risk Configuration Disabled
Status: test
Description:Detects when a user disables a critical security feature for an organization.
References:
  -https://docs.github.com/en/organizations/managing-oauth-access-to-your-organizations-data/disabling-oauth-app-access-restrictions-for-your-organization
  -https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-organization#dependabot_alerts-category-actions
  -https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/enabling-features-for-your-repository/managing-security-and-analysis-settings-for-your-repository
  -https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/audit-log-events-for-your-enterprise
Author: Muhammad Faisal (@faisalusuf)
Date: 2023-01-29
modified:2024-07-22
Tags:
  • -'attack.credential-access'
  • -'attack.persistence'
  • -'attack.defense-impairment'
  • -'attack.t1556'
Logsource:
  • product: github
  • service: audit
  • definition: Requirements: The audit log streaming feature must be enabled to be able to receive such logs. You can enable following the documentation here: https://docs.github.com/en/enterprise-cloud@latest/admin/monitoring-activity-in-your-enterprise/reviewing-audit-logs-for-your-enterprise/streaming-the-audit-log-for-your-enterprise#setting-up-audit-log-streaming
Detection:
  selection:
    action:
      -'business_advanced_security.disabled_for_new_repos'
      -'business_advanced_security.disabled_for_new_user_namespace_repos'
      -'business_advanced_security.disabled'
      -'business_advanced_security.user_namespace_repos_disabled'
      -'org.advanced_security_disabled_for_new_repos'
      -'org.advanced_security_disabled_on_all_repos'
      -'org.advanced_security_policy_selected_member_disabled'
      -'org.disable_oauth_app_restrictions'
      -'org.disable_two_factor_requirement'
      -'repo.advanced_security_disabled'

  condition:selection
Falsepositives:
  -Approved administrator/owner activities.
Level: high