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This alerts when a client IP connects with 1-15 different useragents in less than 1 hour. Limited to 50 or less connections to avoid high traffic. May indicate malicious activity as a probing method.
| Attribute | Value |
|---|---|
| Type | Hunting Query |
| Solution | Standalone Content |
| ID | 4edbb420-2df7-4089-9906-c335f065803e |
| Tactics | InitialAccess |
| Techniques | T1190 |
| Required Connectors | AzureMonitor(IIS) |
| Source | [View on GitHub](https://github.com/Azure/Azure-Sentinel/blob/master/Hunting Queries/W3CIISLog/ClientIPwithManyUserAgents.yaml) |
This content item queries data from the following tables:
| Table | Selection Criteria | Transformations | Ingestion API | Lake-Only |
|---|---|---|---|---|
W3CIISLog |
cIP != "::1"cIP !startswith "127."cIP !startswith "192.168."cIP !startswith "::"cIP !startswith "fe80"scStatus !startswith "20"scStatus !startswith "30" |
✓ | ✗ | ✗ |
The following connectors provide data for this content item:
| Connector | Solution |
|---|---|
| ESI-Opt5ExchangeIISLogs | Microsoft Exchange Security - Exchange On-Premises |
Solutions: Microsoft Exchange Security - Exchange On-Premises
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