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Mimecast Secure Email Gateway - Internal Email Protect

View on GitHub ↗Original file ↗

Description

'Detects threats from internal email threat protection.'
Rule type
Scheduled
Version
1.0.0
Declared status
Available
Query frequency
15m
Query period
15m
Trigger
gt 0

Declared MITRE coverage

LateralMovementPersistenceExfiltrationT1534T1546

Declared sources

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

Connectors

MimecastSEGAPI

Data types

MimecastCG

KQL query

Original query, unchanged.

MimecastCG
| where Type == "email_iep"
| extend  SenderEnvelope = ['Sender Envelope']  , MessageId = ['Message ID']

Declared entities

MailMessage

Related content

Links established from declared identifiers and solution manifests.

Solutions1
Connectors1

Source provenance

GitHub

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

Source identifier
d3bd7640-3600-49f9-8d10-6fe312e68b4f
Additional source files 2Solutions/Mimecast/Analytic Rules/MimecastSEG/MimecastCG_Internal_Mail_Protect.yamlsource ↗Solutions/Mimecast/Data/Solution_Mimecast.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.