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: 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
- Defense Evasion
- Elastic Endgame
Version: 102 (version history)
Added (Elastic Stack release): 7.6.0
Last modified (Elastic Stack release): 8.6.0
Rule authors: Elastic
Rule license: Elastic License v2
Investigation guideedit
Rule queryedit
process where event.type == "start" and process.name : "attrib.exe" and process.args : "+h"
Threat mappingedit
Framework: MITRE ATT&CKTM
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Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
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Technique:
- Name: Hide Artifacts
- ID: T1564
- Reference URL: https://attack.mitre.org/techniques/T1564/
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Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
Rule version historyedit
- Version 102 (8.6.0 release)
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- Formatting only
- Version 101 (8.5.0 release)
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Updated query, changed from:
process where event.type in ("start", "process_started") and process.name : "attrib.exe" and process.args : "+h"
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- Version 15 (8.4.0 release)
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- Formatting only
- Version 13 (8.3.0 release)
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- Formatting only
- Version 11 (8.2.0 release)
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- Formatting only
- Version 9 (7.13.0 release)
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Updated query, changed from:
event.category:process and event.type:(start or process_started) and process.name:attrib.exe and process.args:+h
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- Version 8 (7.12.0 release)
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- Formatting only
- Version 7 (7.11.2 release)
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- Formatting only
- Version 6 (7.11.0 release)
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- Formatting only
- Version 5 (7.10.0 release)
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- Formatting only
- Version 4 (7.9.1 release)
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- Formatting only
- Version 3 (7.9.0 release)
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Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:attrib.exe and process.args:+h
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- Version 2 (7.7.0 release)
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Updated query, changed from:
event.action:"Process Create (rule: ProcessCreate)" and process.name:"attrib.exe" and process.args:"+h"
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