IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Adding Hidden File Attribute via Attribedit
Adversaries can add the hidden attribute to files to hide them from the user in an attempt to evade detection.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
Severity: low
Risk score: 21
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
- Defense Evasion
- Elastic Endgame
Version: 105
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
process where host.os.type == "windows" and event.type == "start" and
(process.name : "attrib.exe" or process.pe.original_file_name == "ATTRIB.EXE") and process.args : "+h" and
not
(process.parent.name: "cmd.exe" and
process.command_line: "attrib +R +H +S +A *.cui" and
process.parent.command_line: "?:\\WINDOWS\\system32\\cmd.exe /c \"?:\\WINDOWS\\system32\\*.bat\"")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Hide Artifacts
- ID: T1564
- Reference URL: https://attack.mitre.org/techniques/T1564/
-
Sub-technique:
- Name: Hidden Files and Directories
- ID: T1564.001
- Reference URL: https://attack.mitre.org/techniques/T1564/001/
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/