Elastic medium stable eql

Multiple Vault Web Credentials Read

Windows Credential Manager allows you to create, view, or delete saved credentials for signing into websites, connected applications, and networks. An adversary may abuse this to list or dump credentials stored in the Credential Manager for saved usernames and passwords. This may also be performed in preparation of lateral movement.

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Detection Logic

sequence by winlog.computer_name, winlog.process.pid with maxspan=1s

 /* 2 consecutive vault reads from same pid for web creds */

 [any where host.os.type == "windows" and event.code == "5382" and
  (winlog.event_data.SchemaFriendlyName : "Windows Web Password Credential" and winlog.event_data.Resource : "http*") and
  not winlog.event_data.SubjectLogonId : "0x3e7" and
  not winlog.event_data.Resource : "http://localhost/"]

 [any where host.os.type == "windows" and event.code == "5382" and
  (winlog.event_data.SchemaFriendlyName : "Windows Web Password Credential" and winlog.event_data.Resource : "http*") and
  not winlog.event_data.SubjectLogonId : "0x3e7" and
  not winlog.event_data.Resource : "http://localhost/"]

Field Validations

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