IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Windows Subsystem for Linux Distribution Installed
editWindows Subsystem for Linux Distribution Installed
editDetects changes to the registry that indicates the install of a new Windows Subsystem for Linux distribution by name. Adversaries may enable and use WSL for Linux to avoid detection.
Rule type: eql
Rule indices:
- winlogbeat-*
- logs-endpoint.events.*
- logs-windows.*
- endgame-*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time
)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Data Source: Elastic Endgame
- Data Source: Elastic Defend
Version: 4
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editregistry where host.os.type == "windows" and registry.path : ("HK*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss\\*\\PackageFamilyName", "\\REGISTRY\\*\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Lxss\\*\\PackageFamilyName")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Modify Registry
- ID: T1112
- Reference URL: https://attack.mitre.org/techniques/T1112/
-
Technique:
- Name: Indirect Command Execution
- ID: T1202
- Reference URL: https://attack.mitre.org/techniques/T1202/