sigmainformationalHunting

New Github Organization Member Added

Detects when a new member is added or invited to a github organization.

MITRE ATT&CK

persistence

Detection Query

selection:
  action:
    - org.add_member
    - org.invite_member
condition: selection

Author

Muhammad Faisal (@faisalusuf)

Created

2023-01-29

Data Sources

githubaudit

Platforms

github

References

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

Tags

attack.persistenceattack.t1136.003

Raw Content

title: New Github Organization Member Added
id: 3908d64a-3c06-4091-b503-b3a94424533b
status: test
description: Detects when a new member is added or invited to a github organization.
author: Muhammad Faisal (@faisalusuf)
date: 2023-01-29
references:
    - 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
tags:
    - attack.persistence
    - attack.t1136.003
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.add_member'
            - 'org.invite_member'
    condition: selection
falsepositives:
    - Organization approved new members
level: informational