Github Repository/Organization Transferred
Detects when a repository or an organization is being transferred to another location.
Sigma rule (View on GitHub)
1title: Github Repository/Organization Transferred
2id: 04ad83ef-1a37-4c10-b57a-81092164bf33
3status: experimental
4description: Detects when a repository or an organization is being transferred to another location.
5references:
6 - https://docs.github.com/en/repositories/creating-and-managing-repositories/transferring-a-repository
7 - https://docs.github.com/en/organizations/managing-organization-settings/transferring-organization-ownership
8 - https://docs.github.com/en/migrations
9 - 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#migration
10author: Romain Gaillard (@romain-gaillard)
11date: 2024-07-29
12tags:
13 - attack.persistence
14 - attack.t1020
15 - attack.t1537
16logsource:
17 product: github
18 service: audit
19 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'
20detection:
21 selection:
22 action:
23 - 'migration.create' # A migration file was created for transferring data from a source location (such as a GitHub.com organization or a GitHub Enterprise Server instance) to a target GitHub Enterprise Server instance.
24 - 'org.transfer_outgoing' # An organization was transferred between enterprise accounts.
25 - 'org.transfer' # An organization was transferred between enterprise accounts.
26 - 'repo.transfer_outgoing' # A repository was transferred to another repository network.
27 condition: selection
28falsepositives:
29 - Allowed administrative activities.
30level: medium
References
Related rules
- Github Fork Private Repositories Setting Enabled/Cleared
- Suspicious BlackCat-Related Exfiltration Command
- A Member Was Added to a Security-Enabled Global Group
- A Member Was Removed From a Security-Enabled Global Group
- A New Trust Was Created To A Domain