GitHub-repo

11 operations, identified by action in the audit log.

action	Description
repo.access	The visibility of a repository changed.
repo.advanced_security_disabled	GitHub Advanced Security was disabled for a repository.
repo.archived	A repository was archived.
repo.create	A repository was created.
repo.create_actions_secret	A GitHub Actions secret was created for a repository.
repo.destroy	A repository was deleted.
repo.pages_public	A GitHub Pages site visibility was changed to public.
repo.register_self_hosted_runner	A new self-hosted runner was registered.
repo.remove_self_hosted_runner	A self-hosted runner was removed.
repo.transfer_outgoing	A repository was transferred to another repository network.
repo.unarchived	A repository was unarchived.

repo.access

Category: GitHub-repo

Description

The visibility of a repository changed.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Elastic #

GitHub Private Repository Turned Public source low: 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.

YARA-L #

GitHub Repository Visibility Changed To Public source: Detects when the visibility for a GitHub repository is changed to public.

repo.advanced_security_disabled

Category: GitHub-repo

Description

GitHub Advanced Security was disabled for a repository.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

Github High Risk Configuration Disabled source high: Detects when a user disables a critical security feature for an organization.

repo.archived

Category: GitHub-repo

Description

A repository was archived.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Common Indicators #

Field/value combinations most frequently checked by detection rules targeting this event, derived from cross-vendor predicate analysis.

Field	Kind	Value	Rules	Vendors
`action`	eq	`repo.archived`	1 rule	panther, sigma, splunk

Detection Rules #

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Sigma #

GitHub Repository Archive Status Changed source low: Detects when a GitHub repository is archived or unarchived, which may indicate unauthorized changes to repository status.↳ also matches repo.unarchived

YARA-L #

GitHub Repository Archived Or Deleted source: Detects when a GitHub repository is archived or deleted.↳ also matches repo.destroy

repo.create

Category: GitHub-repo

Description

A repository was created.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Elastic #

GitHub Repo Created source low: A new GitHub repository was created.

Kusto #

GitHub - Repository was created source medium: Detect activities when a repository was created. This query runs every day and its severity is Medium.

repo.create_actions_secret

Category: GitHub-repo

Description

A GitHub Actions secret was created for a repository.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

Github New Secret Created source low: Detects when a user creates action secret for the organization, environment, codespaces or repository.

repo.destroy

Category: GitHub-repo

Description

A repository was deleted.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Common Indicators #

Field/value combinations most frequently checked by detection rules targeting this event, derived from cross-vendor predicate analysis.

Field	Kind	Value	Rules	Vendors
`action`	eq	`repo.destroy`	1 rule	sigma, splunk

Detection Rules #

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Sigma #

Github Delete Action Invoked source medium: Detects delete action in the Github audit logs for codespaces, environment, project and repo.

Elastic #

GitHub Repository Deleted source medium: 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.

Kusto #

GitHub - Repository was destroyed source medium: Detect activities when a repository was destroyed. This query runs every day and its severity is Medium.

YARA-L #

GitHub Repository Archived Or Deleted source: Detects when a GitHub repository is archived or deleted.↳ also matches repo.archived

repo.pages_public

Category: GitHub-repo

Description

A GitHub Pages site visibility was changed to public.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

GitHub Repository Pages Site Changed to Public source low: 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.

repo.register_self_hosted_runner

Category: GitHub-repo

Description

A new self-hosted runner was registered.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

Github Self Hosted Runner Changes Detected source low: A self-hosted runner is a system that you deploy and manage to execute jobs from GitHub Actions on GitHub.com. This rule detects changes to self-hosted runners configurations in the environment. The self-hosted runner configuration changes once detected, it should be validated from GitHub UI because the log entry may not provide full context.↳ also matches repo.remove_self_hosted_runner

Elastic #

New GitHub Self Hosted Action Runner source medium: 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.

repo.remove_self_hosted_runner

Category: GitHub-repo

Description

A self-hosted runner was removed.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

Github Self Hosted Runner Changes Detected source low: A self-hosted runner is a system that you deploy and manage to execute jobs from GitHub Actions on GitHub.com. This rule detects changes to self-hosted runners configurations in the environment. The self-hosted runner configuration changes once detected, it should be validated from GitHub UI because the log entry may not provide full context.↳ also matches repo.register_self_hosted_runner

repo.transfer_outgoing

Category: GitHub-repo

Description

A repository was transferred to another repository network.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Detection Rules #

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Sigma #

Github Repository/Organization Transferred source medium: Detects when a repository or an organization is being transferred to another location.

YARA-L #

GitHub Outgoing Repository Transfer Initiated source: Detects when a GitHub repository is transferred.

repo.unarchived

Category: GitHub-repo

Description

A repository was unarchived.

Fields #

Name	Description
`action`	The audit-log action string (e.g. repo.create).
`actor`	Login of the user (or app) that performed the action.
`actor_id`	Numeric ID of the actor.
`user`	Login of the user the action targeted, when applicable.
`org`	Organization in which the action occurred.
`repo`	Repository the action targeted (owner/name), when applicable.
`business`	Enterprise account, when the org belongs to one.
`@timestamp`	Time the event was recorded (epoch ms).
`created_at`	Time the action occurred (epoch ms).
`operation_type`	Operation class: create, modify, remove, access, transfer, authentication.

Common Indicators #

Field/value combinations most frequently checked by detection rules targeting this event, derived from cross-vendor predicate analysis.

Field	Kind	Value	Rules	Vendors
`action`	eq	`repo.archived`	1 rule	panther, sigma, splunk

Detection Rules #

View all rules referencing this event →

Sigma #

GitHub Repository Archive Status Changed source low: Detects when a GitHub repository is archived or unarchived, which may indicate unauthorized changes to repository status.↳ also matches repo.archived

`j` / `k`	Scroll down / up
`d` / `u`	Half-page down / up
`gg` / `G`	Top / bottom
`h` / `l`	History back / forward
`f`	Follow link (`Shift` = new tab)
`/`	Focus search
`?`	Toggle this help
`↑` / `↓`	Navigate search results
`Enter`	Open highlighted result
`Esc`	Close results / dialog

`type:`	`events` / `rules` / `providers`
`vendor:`	`sigma` / `elastic` / `splunk` / `kusto` / `chronicle` (vendor name alone also works: `sigma:`, `kql:`, `secops:`…)
`tactic:`	TA-id, slug, or name: `credential_access`, `TA0006`
`technique:`	technique or sub-technique ID: `T1003`, `T1003.001` (alias `tech:`)
`severity:`	`critical` / `high` / `medium` / `low` / `informational` (alias `sev:`)
`risk_score`	Numeric comparison on the Elastic risk score (0 to 100): `risk_score>50`, `risk_score<=20`, `risk_score=99` (alias `risk`; Elastic rules only)
`stages:`	Rules with exactly N pipeline stages
`correlation:`	`single_event` / `sequence` / `alternatives` / `alternatives_cross_log` / `all_required` / `correlated`
`with:`	Co-occurrence event-id; stacks (`with:4624 with:4769`) to require all, while a comma list in one occurrence (`with:4624,4769`) is an either-or group. Implies multi-event
`like:`	Structural neighbors of a rule slug (equivalents + subsumption stricter / broader): `like:comsvcs_lsass_memory_dump-splunk-sysmon`
`groupby:`	Entity-grouping substring match against `group_by_keys`: `groupby:user`, `groupby:host`
`uses:`	Rules whose predicate tree touches the field (any kind, any value): `uses:CommandLine`
`excludes:`	Rules with top-level `not()` clauses on the field (FP whitelists): `excludes:ParentImage`
`field:` / `value:`	Predicate search; narrows rule cards to those with a matching leaf and drives the indicator tier. Unquoted = substring, wildcards allowed (`value:mimikatz`)
`indicator:`	Shorthand for `field:F value:V`: `indicator:Image=*\powershell.exe`
`kind:`	Filter by predicate kind. Narrows rule cards to those carrying a matching predicate leaf (`vendor:elastic kind:cidr_match`) and drives the indicator tier: `contains` / `starts_with` / `ends_with` / `regex` / `cidr` / `eq` / `in` … (operator aliases `op:`/`match:`)
`has:` / `no:`	`sample`, `field`, `notes`, `refs`, `trace`, `thirdparty`, `rule`, `pattern`, `timewindow`, `threshold`, `newterms`, `sigma`/`elastic`/`splunk`/`kusto`/`chronicle`
`-op:val`	Exclude matches; works on most operators but not `type:`/`like:`/`has:`/`no:` (use `no:<flag>` to exclude a rule flag): `tactic:execution -vendor:splunk`. Standalone `-kind:`/`-field:`/`-value:` drop every rule carrying a matching predicate leaf (`type:rules -kind:is_null`)
`field:"…"` / `value:"…"`	Quoted value = anchored exact match (also allows spaces): `value:"net user"`
`a,b`	Comma = OR inside one operator (`vendor:sigma,elastic`, `severity:high,critical`); repeating a facet merges the same way. `field:`/`value:` never split (literal commas)
`vendors:` / `stage:`	Singular and plural spellings fold to the canonical operator and value: `tactics:` = `tactic:`, `type:event` = `type:events`, `correlation:sequences` = `correlation:sequence`, `has:thresholds` = `has:threshold`
`"quoted phrase"`	Exact-match a multi-word phrase (free text)