↳ GitHub sourceAnalytics ruleMedium

Ping Federate - Unusual mail domain.

Description

'Detects unusual mail domain in authentication requests.'
Rule type
Scheduled
Version
1.0.3
Declared status
Available
Query frequency
1h
Query period
14d
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

let known_domains = 
PingFederateEvent
| where TimeGenerated between (ago(14d) .. (1d))
| extend email = extract(@'email=(.*?),.*', 1, AdditionalExtensions)
| extend m_domain = extract(@'@(.*)', 1, email)
| where isnotempty(m_domain)
| summarize makeset(m_domain);
PingFederateEvent
| extend email = extract(@'email=(.*?),.*', 1, AdditionalExtensions)
| extend m_domain = extract(@'@(.*)', 1, email)
| where isnotempty(m_domain)
| where m_domain !in (known_domains)
| extend AccountCustomEntity = DstUserName
| extend IpCustomEntity = SrcIpAddr

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
dc79de7d-2590-4852-95fb-f8e02b34f4da
Additional source files 2Solutions/PingFederate/Analytic Rules/PingFederateUnusualMailDomain.yamlsource ↗Solutions/PingFederate/Data/Solution_PingFederate.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.