↳ Source GitHubRègle analytiqueMedium

External Upstream Source Added to Azure DevOps Feed

Description

'The detection looks for new external sources added to an Azure DevOps feed. An allow list can be customized to explicitly allow known good sources. An attacker could look to add a malicious feed in order to inject malicious packages into a build pipeline.'
Type de règle
Scheduled
Version
1.0.4
Statut déclaré
Available
Fréquence
1d
Période analysée
1d
Déclenchement
gt 0

Couverture MITRE déclarée

Requête KQL

Requête originale, sans modification.

// Add any known allowed sources and source locations to the filter below (the NuGet Gallery has been added here as an example).
let allowed_sources = dynamic(["NuGet Gallery"]);
let allowed_locations = dynamic(["https://api.nuget.org/v3/index.json"]);
ADOAuditLogs
// Look for feeds created or modified at either the organization or project level
| where OperationName matches regex "Artifacts.Feed.(Org|Project).Modify"
| where Details has "UpstreamSources, added"
| extend FeedName = tostring(Data.FeedName)
| extend FeedId = tostring(Data.FeedId)
| extend UpstreamsAdded = Data.UpstreamsAdded
// As multiple feeds may be added expand these out
| mv-expand UpstreamsAdded
// Only focus on external feeds
| where UpstreamsAdded.UpstreamSourceType !~ "internal"
| extend SourceLocation = tostring(UpstreamsAdded.Location)
| extend SourceName = tostring(UpstreamsAdded.Name)
// Exclude sources and locations in the allow list
| where SourceLocation !in (allowed_locations) and SourceName !in (allowed_sources)
| extend SourceProtocol = tostring(UpstreamsAdded.Protocol)
| extend SourceStatus = tostring(UpstreamsAdded.Status)
| project-reorder TimeGenerated, OperationName, ScopeDisplayName, ProjectName, FeedName, SourceName, SourceLocation, SourceProtocol, ActorUPN, UserAgent, IpAddress
| extend timestamp = TimeGenerated
| extend AccountName = tostring(split(ActorUPN, "@")[0]), AccountUPNSuffix = tostring(split(ActorUPN, "@")[1])

Entités déclarées

AccountIP

Contenus associés

Liens établis à partir des identifiants déclarés et des manifests des solutions.

Traçabilité de la source

GitHub

Les valeurs affichées proviennent des fichiers du dépôt Azure/Azure-Sentinel. Elles décrivent le modèle publié, pas la configuration de votre workspace.

Identifiant source
adc32a33-1cd6-46f5-8801-e3ed8337885f
Autres fichiers source 3Solutions/AzureDevOpsAuditing/Analytic Rules/ExternalUpstreamSourceAddedtoAzureDevOpsFeed.yamlsource ↗Detections/AzureDevOpsAuditing/ExternalUpstreamSourceAddedtoAzureDevOpsFeed.yamlmigration-note ↗Solutions/AzureDevOpsAuditing/Data/Solution_AzureDevOpsAuditing.jsonsolution-membership ↗
GSTEP / SUIVI DU CATALOGUE

Ajouté au catalogue : 16 sept. 2026 · 05:49 UTC
Dernier changement observé : 16 sept. 2026 · 05:49 UTC

Dates de synchronisation GSTEP, distinctes des dates de publication du contenu source.