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ProofpointPOD - Suspicious attachment
Description
'Detects when email contains suspicious attachment (file type).'
- Rule type
- Scheduled
- Version
- 1.0.2
- Declared status
- Available
- Query frequency
- 10m
- Query period
- 10m
- 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 = 10m;
let disallowed_ext = dynamic(['ps1', 'exe', 'vbs', 'js', 'scr']);
ProofpointPOD
| where TimeGenerated > ago(lbtime)
| where EventType == 'message'
| where NetworkDirection == 'inbound'
| where FilterDisposition !in ('reject', 'discard')
| extend attachedExt = todynamic(MsgParts)[0]['detectedExt']
| where tolower(attachedExt) in (disallowed_ext)
| project SrcUserUpn, AccountCustomEntity = parse_json(DstUserUpn)[0], attachedExt
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
f6a51e2c-2d6a-4f92-a090-cfb002ca611f
Additional source files 3
Solutions/Proofpoint On demand(POD) Email Security/Analytic Rules/ProofpointPODSuspiciousAttachment.yamlsource ↗Detections/ProofpointPOD/ProofpointPODSuspiciousAttachment.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