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Potential Application Shimming via Sdbinst

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Potential Application Shimming via Sdbinst

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The Application Shim was created to allow for backward compatibility of software as the operating system codebase changes over time. This Windows functionality has been abused by attackers to stealthily gain persistence and arbitrary code execution in legitimate Windows processes.

Rule type: query

Rule indices:

winlogbeat-*
logs-endpoint.events.*

Severity: low

Risk score: 21

Runs every: 5 minutes

Searches indices from: now-6m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

Tags:

Elastic
Host
Windows
Threat Detection
Persistence

Version: 4 (version history)

Added (Elastic Stack release): 7.6.0

Last modified (Elastic Stack release): 7.10.0

Rule authors: Elastic

Rule license: Elastic License

Rule query

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event.category:process and event.type:(start or process_started) and
process.name:sdbinst.exe

Threat mapping

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Framework: MITRE ATT&CK^TM

Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Technique:
- Name: Application Shimming
- ID: T1138
- Reference URL: https://attack.mitre.org/techniques/T1138/
Tactic:
- Name: Privilege Escalation
- ID: TA0004
- Reference URL: https://attack.mitre.org/tactics/TA0004/
Technique:
- Name: Application Shimming
- ID: T1138
- Reference URL: https://attack.mitre.org/techniques/T1138/

Rule version history

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Version 4 (7.10.0 release)

Updated query, changed from:

event.code:1 and process.name:sdbinst.exe

Version 3 (7.9.0 release)

Formatting only

Version 2 (7.7.0 release)

Formatting only

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