New UserAgent observed in last 24 hours

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'Identifies new UserAgents observed in the last 24 hours versus the previous 14 days. This detection extracts words from user agents to build the baseline and determine rareity rather than perform a direct comparison. This avoids FPs caused by version numbers and other high entropy user agent components. These new UserAgents could be benign. However, in normally stable environments, these new UserAgents could provide a starting point for investigating malicious activity. Note: W3CIISLog can be n

Attribute Value
Type Analytic Rule
Solution Network Threat Protection Essentials
ID b725d62c-eb77-42ff-96f6-bdc6745fc6e0
Severity Low
Status Available
Kind Scheduled
Tactics InitialAccess, CommandAndControl, Execution
Techniques T1189, T1071, T1203
Required Connectors AWS, Office365, AzureMonitor(IIS)
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Transformations Ingestion API Lake-Only
AWSCloudTrail ?
OfficeActivity ?
W3CIISLog ?

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