Github New Secret Created

 1title: Github New Secret Created
 2id: f9405037-bc97-4eb7-baba-167dad399b83
 3status: test
 4description: Detects when a user creates action secret for the organization, environment, codespaces or repository.
 5author: Muhammad Faisal (@faisalusuf)
 6date: 2023-01-20
 7references:
 8    - 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
 9tags:
10    - attack.defense-evasion
11    - attack.persistence
12    - attack.privilege-escalation
13    - attack.initial-access
14    - attack.t1078.004
15logsource:
16    product: github
17    service: audit
18    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'
19detection:
20    selection:
21        action:
22            - 'codespaces.create_an_org_secret'
23            - 'environment.create_actions_secret'
24            - 'org.create_actions_secret'
25            - 'repo.create_actions_secret'
26    condition: selection
27falsepositives:
28    - This detection cloud be noisy depending on the environment. It is recommended to keep a check on the new secrets when created and validate the "actor".
29level: low