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Multiple Vault Web Credentials Read

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Multiple Vault Web Credentials Read

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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.

Rule type: eql

Rule indices:

  • winlogbeat-*
  • logs-system.*

Severity: medium

Risk score: 47

Runs every: 5 minutes

Searches indices from: now-9m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

  • Elastic
  • Host
  • Windows
  • Threat Detection
  • Credential Access

Version: 2 (version history)

Added (Elastic Stack release): 8.5.0

Last modified (Elastic Stack release): 8.6.0

Rule authors: Elastic

Rule license: Elastic License v2

Investigation guide

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Rule query
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sequence by host.id, winlog.process.pid with maxspan=1s /* 2
consecutive vault reads from same pid for web creds */ [any where
event.code : "5382" and (winlog.event_data.SchemaFriendlyName :
"Windows Web Password Credential" or winlog.event_data.Resource :
"http*") and not winlog.event_data.SubjectLogonId : "0x3e7"] [any
where event.code : "5382" and (winlog.event_data.SchemaFriendlyName
: "Windows Web Password Credential" or winlog.event_data.Resource :
"http*") and not winlog.event_data.SubjectLogonId : "0x3e7"]











Threat mapping
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Framework: MITRE ATT&CKTM














Rule version history
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Version 2 (8.6.0 release)








    

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