Query: write Sigma for Detects when a user disables a critical security feature for an organization.
Matching passage: Sigma rule: Detects when a user disables a critical security feature for an organization.. Logsource: github / audit. Rule: title: Github High Risk Configuration Disabled id: 8622c92d-c00e-463c-b09d-fd06166f6794 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
Near-miss passage: Sigma rule: Detect AD credential dumping using impacket secretdump HKTL. Based on the SIGMA rules/windows/builtin/win_impacket_secre. Logsource: zeek / smb_files. Rule: title: Possible Impacket SecretDump Remote Activity - Zeek id: 92dae1ed-1c9d-4eff-a567-33acbd95b00e status: test description: Detect AD credential dumping using impacket secretdump HKTL. Based on the SIGMA rules/windows/builtin/win_impacket_secretdump.yml references: - https://web.archive.org/web/20230329153811/https://blog.menasec.net/2019/02/threat-huting-10-impacketsecretdump.html author: Samir Bousseaden, @neu5ron date: 2020-03-19 modified: 2021-11-27 tags: - attack.credential-access - attack.t1003.002 - attack.t1003.004 - attack.t1003.003 logsource: product: zeek service: smb_files detection: selection: path|contains|all: - \ - ADMIN$ name|contains: SYSTEM32\ name|endswith: .tmp condition: selection falsepositives: - Unknown level: high