Cisco - firewall block but success logon to Microsoft Entra ID

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Correlate IPs blocked by a Cisco firewall appliance with successful Microsoft Entra ID signins. Because the IP was blocked by the firewall, that same IP logging on successfully to Entra ID is potentially suspect and could indicate credential compromise for the user account.

Attribute Value
Type Analytic Rule
Solution Standalone Content
ID 157c0cfc-d76d-463b-8755-c781608cdc1a
Severity Medium
Kind Scheduled
Tactics InitialAccess
Techniques T1078
Required Connectors CiscoASA, AzureActiveDirectory, AzureActiveDirectory
Source View on GitHub

Tables Used

This content item queries data from the following tables:

Table Selection Criteria Transformations Ingestion API Lake-Only
CommonSecurityLog DeviceVendor == "Cisco" ?

Associated Connectors

The following connectors provide data for this content item:

Connector Solution
CefAma Common Event Format
CloudNSSAuditLogs_ccp Zscaler Internet Access
CloudNSSCASBActivityLogs_ccp Zscaler Internet Access
CloudNSSCASBCRMLogs_ccp Zscaler Internet Access
CloudNSSCASBCloudStorageLogs_ccp Zscaler Internet Access
CloudNSSCASBCollabLogs_ccp Zscaler Internet Access
CloudNSSCASBEmailLogs_ccp Zscaler Internet Access
CloudNSSCASBFileSharingLogs_ccp Zscaler Internet Access
CloudNSSCASBITSMLogs_ccp Zscaler Internet Access
CloudNSSCASBRepoLogs_ccp Zscaler Internet Access
CloudNSSDNSLogs_ccp Zscaler Internet Access
CloudNSSEmailDLPLogs_ccp Zscaler Internet Access
CloudNSSEndpointDLPLogs_ccp Zscaler Internet Access
CloudNSSFWLogs_ccp Zscaler Internet Access
CloudNSSTunnelLogs_ccp Zscaler Internet Access
CloudNSSWebLogs_ccp Zscaler Internet Access
VirtualMetricDirectorProxy VirtualMetric DataStream
VirtualMetricMSSentinelConnector VirtualMetric DataStream
VirtualMetricMSSentinelDataLakeConnector VirtualMetric DataStream

Solutions: Common Event Format, VirtualMetric DataStream, Zscaler Internet Access


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