↳ GitHub sourceAnalytics ruleLow

Azure DevOps New Extension Added

Description

'Extensions add additional features to Azure DevOps. An attacker could use a malicious extension to conduct malicious activity. This query looks for new extensions that are not from a configurable list of approved publishers.'
Rule type
Scheduled
Version
1.0.4
Declared status
Available
Query frequency
1d
Query period
1d
Trigger
gt 0

Declared MITRE coverage

KQL query

Original query, unchanged.

let allowed_publishers = dynamic([]);
ADOAuditLogs
| where OperationName =~ "Extension.Installed"
| extend ExtensionName = tostring(Data.ExtensionName)
| extend PublisherName = tostring(Data.PublisherName)
| where PublisherName !in (allowed_publishers)
| project-reorder TimeGenerated, OperationName, ExtensionName, PublisherName, ActorUPN, IpAddress, UserAgent, ScopeDisplayName, Data
| extend timestamp = TimeGenerated
| extend AccountName = tostring(split(ActorUPN, "@")[0]), AccountUPNSuffix = tostring(split(ActorUPN, "@")[1])

Declared entities

AccountIP

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
bf07ca9c-e408-443a-8939-6860a45a929e
Additional source files 3Solutions/AzureDevOpsAuditing/Analytic Rules/ADONewExtensionAdded.yamlsource ↗Detections/AzureDevOpsAuditing/ADONewExtensionAdded.yamlmigration-note ↗Solutions/AzureDevOpsAuditing/Data/Solution_AzureDevOpsAuditing.jsonsolution-membership ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.