IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Microsoft Build Engine Loading Windows Credential Libraries

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Microsoft Build Engine Loading Windows Credential Libraries

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An instance of the Microsoft Build Engine (MSBuild) loaded dynamically linked libraries (DLLs) responsible for Windows credential management. This technique is sometimes used for credential dumping.

Rule type: eql

Rule indices:

winlogbeat-*
logs-endpoint.events.*
logs-windows.*

Severity: high

Risk score: 73

Runs every: 5m

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

Maximum alerts per execution: 100

References: None

Tags:

Elastic
Host
Windows
Threat Detection
Credential Access

Version: 9

Rule authors:

Elastic

Rule license: Elastic License v2

Rule query

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sequence by process.entity_id
 [process where event.type == "start" and (process.name : "MSBuild.exe" or process.pe.original_file_name == "MSBuild.exe")]
 [library where dll.name : ("vaultcli.dll", "SAMLib.DLL")]

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Credential Access
- ID: TA0006
- Reference URL: https://attack.mitre.org/tactics/TA0006/
Technique:
- Name: OS Credential Dumping
- ID: T1003
- Reference URL: https://attack.mitre.org/techniques/T1003/

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