Detects when the github-actions[bot] pushes code to a repository where it has not performed this behavior before in a certain time window. This may indicate a supply chain attack where malicious code running in a CI workflow attempts to modify repository contents, such as injecting backdoor workflow files.

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Detects when a GitHub Actions workflow attempts to create or modify workflow files in a protected branch but is blocked due to insufficient permissions. This behavior is indicative of a supply chain attack where a malicious package or compromised CI/CD pipeline attempts to inject persistent backdoor workflows into a repository.

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Detects when there is activity on a private GitHub repository from an unusual IP address. Adversaries may access private repositories from unfamiliar IPs to exfiltrate sensitive code or data, potentially indicating a compromise or unauthorized access.

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Detects the deletion of a GitHub app either from a repo or an organization.

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Detects a high number of repository cloning actions by a single user within a short time frame. Adversaries may clone multiple repositories to exfiltrate sensitive data.

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This rule detects when a member is granted the organization owner role of a GitHub organization. This role provides admin level privileges. Any new owner role should be investigated to determine its validity. Unauthorized owner roles could indicate compromise within your organization and provide unlimited access to data and settings.

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Detects when a private GitHub repository is changed to public visibility. Adversaries may change repository visibility to public in order to exfiltrate sensitive code or data, potentially indicating a compromise or unauthorized access.

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This rule detects setting modifications for protected branches of a GitHub repository. Branch protection rules can be used to enforce certain workflows or requirements before a contributor can push changes to a branch in your repository. Changes to these protected branch settings should be investigated and verified as legitimate activity. Unauthorized changes could be used to lower your organization's security posture and leave you exposed for future attacks.

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This rule detects when a GitHub repository is deleted within your organization. Repositories are a critical component used within an organization to manage work, collaborate with others and release products to the public. Any delete action against a repository should be investigated to determine it's validity. Unauthorized deletion of organization repositories could cause irreversible loss of intellectual property and indicate compromise within your organization.

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Detects when GitHub Secret Scanning is disabled for a repository. Adversaries may disable secret scanning to evade detection of hardcoded secrets, such as API keys or credentials, that could be used for further compromise or data exfiltration.

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This rule is part of the "GitHub UEBA - Unusual Activity from Account Pack", and leverages alert data to determine when multiple alerts are executed by the same user in a timespan of one hour. Analysts can use this to prioritize triage and response, as these alerts are a higher indicator of compromised user accounts or PATs.

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Detects a high number of unique private repo clone events originating from a single personal access token within a short time period.

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Detects a high number of closed pull requests by a single user within a short time frame. Adversaries may close multiple pull requests to disrupt development workflows or hide malicious changes.

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Detects a high number of force push actions to protected branches by a single user within a short time frame. Adversaries may perform force pushes to overwrite commit history on protected branches, potentially leading to data loss or disruption of development workflows.

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This rule detects when a new GitHub App has been installed in your organization account. GitHub Apps extend GitHub's functionality both within and outside of GitHub. When an app is installed it is granted permissions to read or modify your repository and organization data. Only trusted apps should be installed and any newly installed apps should be investigated to verify their legitimacy. Unauthorized app installation could lower your organization's security posture and leave you exposed for future attacks.

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Detects when a new member is added to a GitHub organization as an owner. This role provides admin level privileges. Any new owner roles should be investigated to determine it's validity. Unauthorized owner roles could indicate compromise within your organization and provide unlimited access to data and settings.

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Detects when a new GitHub Personal Access Token (PAT) is created. Adversaries may create new PATs to maintain persistent access to a compromised account or to escalate privileges within an organization.

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This rule detects the creation of a self-hosted Github runner from a first time seen user.name in the last 5 days. Adversaries may abuse self-hosted runners to execute workflow jobs on customer infrastructure.

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Detects a high number of failed force push attempts to protected branches by a single user within a short time frame. Adversaries may attempt multiple force pushes to overwrite commit history on protected branches, potentially leading to data loss or disruption of development workflows.

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