Abnormal Deny Rate for Source IP

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'Identifies abnormal deny rate for specific source IP to destination IP based on the normal average and standard deviation learned during a configured period. This can indicate potential exfiltration, initial access or C2, where attacker tries to exploit the same vulnerability on machines in the organization, but is being blocked by firewall rules. Configurable Parameters: - Minimum of stds threshold - the number of stds to use in the threshold calculation. Default is set to 3. - Learning peri

Attribute Value
Type Analytic Rule
Solution Azure Firewall
ID d36bb1e3-5abc-4037-ad9a-24ba3469819e
Severity Medium
Status Available
Kind Scheduled
Tactics InitialAccess, Exfiltration, CommandAndControl
Techniques T1190, T1041, T1568
Required Connectors AzureFirewall
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Transformations Ingestion API Lake-Only
AZFWApplicationRule ?
AZFWFlowTrace ?
AZFWIdpsSignature ?
AZFWNetworkRule ?
AzureDiagnostics 🔶 ? ?

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