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This rule identifies a possible port scan, in which a single source tries to access a large number of different ports is a short time frame. This may indicate that a port scanner is trying to identify open ports in order to penetrate a system. This analytic rule uses ASIM and supports any built-in or custom source that supports the ASIM NetworkSession schema
| Attribute | Value |
|---|---|
| Type | Analytic Rule |
| Solution | Network Session Essentials |
| ID | 1da9853f-3dea-4ea9-b7e5-26730da3d537 |
| Severity | Medium |
| Status | Available |
| Kind | Scheduled |
| Tactics | Discovery |
| Techniques | T1046 |
| Required Connectors | AWSS3, MicrosoftThreatProtection, SecurityEvents, WindowsSecurityEvents, WindowsForwardedEvents, Zscaler, MicrosoftSysmonForLinux, PaloAltoNetworks, AzureMonitor(VMInsights), AzureFirewall, AzureNSG, CiscoASA, CiscoAsaAma, Corelight, AIVectraStream, CheckPoint, Fortinet, CiscoMeraki |
| Source | View on GitHub |
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