Get in touch
← Sentinel Explorer
↳ GitHub sourceAnalytics ruleHigh

Mimecast Targeted Threat Protection - Impersonation Protect

View on GitHub ↗Original file ↗

Description

'Detects a maliciously tagged impersonation.'
Rule type
Scheduled
Version
1.0.0
Declared status
Available
Query frequency
30m
Query period
30m
Trigger
gt 0

Declared MITRE coverage

ExfiltrationCollectionDiscoveryT1114

Declared sources

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

Connectors

MimecastTTPAPI

Data types

MimecastTTPImpersonation

KQL query

Original query, unchanged.

MimecastTTPImpersonation
| where ['Tagged Malicious'] == true
| extend SenderAddress = ['Sender Address'],
  SenderIPAddress = ['Sender IP Address'],
  RecipientAddress = ['Recipient Address']

Declared entities

MailMessage

Related content

Links established from declared identifiers and solution manifests.

Solutions1
Connectors2

Source provenance

GitHub

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

Source identifier
c048fa06-0d50-4626-ae82-a6cea812d9c4
Additional source files 2Solutions/Mimecast/Analytic Rules/MimecastTTP/Mimecast_TTP_Impersonation.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.