IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Microsoft Build Engine Loading Windows Credential Libraries
editMicrosoft Build Engine Loading Windows Credential Libraries
editAn instance of MSBuild, the Microsoft Build Engine, loaded DLLs (dynamically linked libraries) responsible for Windows credential management. This technique is sometimes used for credential dumping.
Rule type: query
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
Severity: high
Risk score: 73
Runs every: 5 minutes
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
Tags:
- Elastic
- Host
- Windows
- Threat Detection
- Credential Access
Version: 4 (version history)
Added (Elastic Stack release): 7.7.0
Last modified (Elastic Stack release): 7.10.0
Rule authors: Elastic
Rule license: Elastic License
Potential false positives
editThe Build Engine is commonly used by Windows developers but use by non-engineers is unusual.
Rule query
editevent.category:process and event.type:change and (winlog.event_data.OriginalFileName:(vaultcli.dll or SAMLib.DLL) or dll.name:(vaultcli.dll or SAMLib.DLL)) and process.name: MSBuild.exe
Threat mapping
editFramework: MITRE ATT&CKTM
-
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/
Rule version history
edit- Version 4 (7.10.0 release)
-
- Formatting only
- Version 3 (7.9.1 release)
-
- Formatting only
- Version 2 (7.9.0 release)
-
-
Updated query, changed from:
(winlog.event_data.OriginalFileName: (vaultcli.dll or SAMLib.DLL) or dll.name: (vaultcli.dll or SAMLib.DLL)) and process.name: MSBuild.exe and event.action: "Image loaded (rule: ImageLoad)"
-