↳ GitHub sourceAnalytics ruleHigh

VTI - High Severity SHA1 Collision Detection

View on GitHub ↗Original file ↗

Description

This will alert when a collision is detected for DeviceFileEvents events with VTI high severity SHA1 IoCs

Rule type: Scheduled
Version: 1.0.0
Query frequency: 1h
Query period: 1h
Trigger: gt 0

Declared MITRE coverage

Execution T1204

Declared sources

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

Connectors

VisaThreatIntelligence

Data types

VisaThreatIntelligenceIOC_CL DeviceFileEvents

KQL query

Original query, unchanged.

DeviceFileEvents
| join kind=inner (VisaThreatIntelligenceIOC_CL  | where IOCType == "sha1" and SourceSeverity == "High")
on $left.InitiatingProcessSHA1 == $right.Value

Declared entities

HostFileHash

Source provenance

GitHub

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

File: Solutions/Visa Threat Intelligence (VTI)/Analytic Rules/VTIP_high_severity_sha1.yaml ↗
Commit: 9800e51 ↗
Source identifier: dbd9e28f-973d-47f3-a8c3-9e18da846870

Additional source files 2

Solutions/Visa Threat Intelligence (VTI)/Analytic Rules/VTIP_high_severity_sha1.yamlsource ↗Solutions/Visa Threat Intelligence (VTI)/Data/Solution_VTI.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.