VPN Credential Stuffing and Password Spray

Detects credential stuffing and password spray against VPN and network appliance apps registered in Entra ID, requiring a successful sign-in after the failure burst to confirm probable InitialAccess.

Detection logic

Detection requirements

Platform: Containers ESXi IaaS Identity Provider Linux macOS Network Devices Office Suite SaaS Windows
The rule states no platform. This is derived from the 2 ATT&CK techniques it maps to.
Log source product: azureactivedirectory
Log source service: aadnoninteractiveusersigninlogs signinlogs

Detection rules

VPN Credential Stuffing and Password Spray

Detection logic

Detection requirements

MITRE ATT&CK mappings

From the source

Licence

Authorship

Detection rules