Possible GitHub Repository Pages Site Changed to Public (via audit)

This rule detects when a GitHub Pages site of a repository is made public. This usually is part of a publishing process but could indicate or lead to potential unauthorized exposure of sensitive information or code.

Sigmalowv1
sigma
title: Possible GitHub Repository Pages Site Changed to Public (via audit)
id: 3f8e02c6-a035-59e9-80ce-e5e517610d5d
status: stable
description: This rule detects when a GitHub Pages site of a repository is made public. This usually is part of a publishing process but could indicate or lead to potential unauthorized exposure of sensitive information or code.
references:
    - https://attack.mitre.org/techniques/T1567/001/
    - https://docs.github.com/en/pages/getting-started-with-github-pages/creating-a-github-pages-site
    - https://www.sentinelone.com/blog/exploiting-repos-6-ways-threat-actors-abuse-github-other-devops-platforms
    - https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/security-log-events
author: Huntrule Team
date: 2026-02-05
tags:
    - attack.collection
    - attack.exfiltration
    - attack.t1567.001
logsource:
    product: github
    service: audit
detection:
    selection:
        action: 'repo.pages_public'
    condition: selection
falsepositives:
    - Unknown
level: low

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.