Detection rules › Sigma
GitHub Repository Pages Site Changed to Public
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.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Exfiltration | T1567.001 Exfiltration Over Web Service: Exfiltration to Code Repository |
Event coverage
| Provider | Event |
|---|---|
| GitHub-repo | repo.pages_public |
Rule body yaml
title: GitHub Repository Pages Site Changed to Public
id: 0c46d4f4-a2bf-4104-9597-8d653fc2bb55
status: experimental
description: |
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://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: Ivan Saakov
date: 2025-10-18
tags:
- attack.collection
- attack.exfiltration
- attack.t1567.001
logsource:
product: github
service: audit
detection:
selection:
action: 'repo.pages_public'
condition: selection
falsepositives:
- Legitimate publishing of repository pages by authorized users
level: low
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
action: 'repo.pages_public'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
action | eq |
|