↳ GitHub sourceAnalytics ruleHigh

Trend Micro CAS - Ransomware outbreak

View on GitHub ↗Original file ↗

Description

'Triggeres when ransomware was detected on several accounts.'

Rule type: Scheduled
Version: 1.0.1
Declared status: Available
Query frequency: 10m
Query period: 10m
Trigger: gt 0

Declared MITRE coverage

Impact T1486

Declared sources

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

Connectors

TrendMicroCAS

Data types

TrendMicroCAS

KQL query

Original query, unchanged.

TrendMicroCAS
| where EventType =~ 'ransomware'
| summarize count() by DstUserName, bin(TimeGenerated, 2m)
| where count_ >= 2
| extend AccountCustomEntity = DstUserName

Declared entities

Account

Source provenance

GitHub

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

File: Solutions/Trend Micro Cloud App Security/Analytic Rules/TrendMicroCASRansomwareOutbreak.yaml ↗
Commit: 629d1d3 ↗
Source identifier: 38e043ce-a1fd-497b-8d4f-ce5ca2db90cd

Additional source files 2

Solutions/Trend Micro Cloud App Security/Analytic Rules/TrendMicroCASRansomwareOutbreak.yamlsource ↗Solutions/Trend Micro Cloud App Security/Data/Solution_Trend Micro Cloud App Security.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.