IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Symbolic Link to Shadow Copy Created
editSymbolic Link to Shadow Copy Created
editIdentifies the creation of symbolic links to a shadow copy. Symbolic links can be used to access files in the shadow copy, including sensitive files that may contain credential information.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
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): 8.0.0
Last modified (Elastic Stack release): 8.1.0
Rule authors: Austin Songer
Rule license: Elastic License v2
Potential false positives
editLegitimate administrative activity related to shadow copies.
Rule query
editprocess where event.type in ("start", "process_started") and process.pe.original_file_name == "Cmd.Exe" and process.args : "*mklink*" and process.args : "*\\GLOBALROOT\\Device\\HarddiskVolumeShadowCopy*"
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 2 (8.1.0 release)
-
- Formatting only