GitHub personal access token granted and used to clone large amount of repositories

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github-telemetry

Classification:

attack

Tactic:

TA0005-defense-evasion

Technique:

T1562-impair-defenses

Goal

Detect when a GitHub personal access token is used to clone repositories.

Strategy

This rule monitors GitHub audit logs for when a personal access token is used to clone a repository. If a user clones five repositories, a medium severity alert is generated. If the a user clones ten or more repositories, a high severity alert is generated.

Triage and response

  1. Determine if the multiple repository clones by {{@github.actor}} are an expected action.
  2. If the change was not authorized or was unexpected, begin your organization’s incident response process and investigate.