Query: rule covering Detects when an organization member or an outside collaborator is added to or removed from a project board or has their
Matching passage: Sigma rule: Detects when an organization member or an outside collaborator is added to or removed from a project board or has their. Logsource: github / audit. Rule: title: Github Outside Collaborator Detected id: eaa9ac35-1730-441f-9587-25767bde99d7 status: test description: 'Detects when an organization member or an outside collaborator is added to or removed from a project board or has their permission level changed or when an owner removes an outside collaborator from an organization or when two-factor authentication is required in an organization and an outside collaborator does not use 2FA or disables 2FA. ' author: Muhammad Faisal (@faisalusuf) date: 2023-01-20 references: - https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-security-settings-for-your-organization/reviewing-the-audit-log-for-your-organization#audit-log-actions - https://docs.github.com/en/organizations/keeping-your-organization-secure/managing-two-factor-authentication-for-your-organization/requiring-two-factor-authentication-in-your-organization tags: - attack.privilege-escalation - attack.persistence - attack.collection - attack.t1098.001 - attack.t1098.003 - attack.t1213.003 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: - org.remove_outside_collaborator - project.update_user_permission condition: selection falsepositives: - Validate the actor if permitted to access the repo. - Validate the Multifactor Authentication changes. level: medium
Near-miss passage: Sigma rule: Detects usage of the "sc.exe" utility adding a new service with special permission seen used by threat actors which make. Logsource: windows / process_creation. Rule: title: Service DACL Abuse To Hide Services Via Sc.EXE id: a537cfc3-4297-4789-92b5-345bfd845ad0 related: - id: 99cf1e02-00fb-4c0d-8375-563f978dfd37 type: similar - id: 98c5aeef-32d5-492f-b174-64a691896d25 type: similar status: test description: Detects usage of the "sc.exe" utility adding a new service with special permission seen used by threat actors which makes the service hidden and unremovable. references: - https://blog.talosintelligence.com/2021/10/threat-hunting-in-large-datasets-by.html - https://www.sans.org/blog/red-team-tactics-hiding-windows-services/ - https://twitter.com/Alh4zr3d/status/1580925761996828672 - https://itconnect.uw.edu/tools-services-support/it-systems-infrastructure/msinf/other-help/understanding-sddl-syntax/ author: Andreas Hunkeler (@Karneades) date: 2021-12-20 modified: 2022-08-08 tags: - attack.persistence - attack.privilege-escalation - attack.execution - attack.stealth - attack.t1574.011 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \sc.exe - OriginalFileName: sc.exe selection_cli: CommandLine|contains|all: - sdset - DCLCWPDTSD condition: all of selection_* falsepositives: - Unknown level: high