↳ GitHub sourceAnalytics ruleMedium
ProofpointPOD - Multiple large emails to the same recipient
Description
'Detects when multiple emails with large size where sent to the same recipient.'
- Rule type
- Scheduled
- Version
- 1.0.1
- Declared status
- Available
- Query frequency
- 30m
- Query period
- 30m
- 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 lbtime = 30m;
let msgthreshold = 3;
let msgszthreshold = 3000000;
ProofpointPOD
| where TimeGenerated > ago(lbtime)
| where EventType == 'message'
| where NetworkDirection == 'outbound'
| where NetworkBytes > msgszthreshold
| summarize count() by SrcUserUpn, DstUserUpn
| where count_ > msgthreshold
| extend AccountCustomEntity = SrcUserUpn
Declared entities
Related content
Links established from declared identifiers and solution manifests.
Source provenance
GitHubDisplayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.
- Commit
9800e51↗- Source identifier
d1aba9a3-5ab1-45ef-8ed4-da57dc3c0d32
Additional source files 3
Solutions/Proofpoint On demand(POD) Email Security/Analytic Rules/ProofpointPODMultipleLargeEmailsToSameRecipient.yamlsource ↗Detections/ProofpointPOD/ProofpointPODMultipleLargeEmailsToSameRecipient.yamlmigration-note ↗Solutions/Proofpoint On demand(POD) Email Security/Data/Solution_ProofPointPOD.jsonsolution-membership ↗GSTEP / CATALOG TRACKING
Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC