AN1532: Analytic 1532
Use of hcitool, bluetoothctl, or rfcomm to initialize Bluetooth connection paired with recent file reads by the same user or session.
Analyst context for executives and security teams
This analytic matters because it links Linux Bluetooth connection activity with recent file reads by the same user or session. For leaders, the practical question is whether Linux endpoints that can use Bluetooth are monitored well enough to distinguish approved local wireless activity from suspicious movement of data or unauthorized peripheral use.
Executive priority
Treat this as a coverage-validation item for environments where Linux systems handle sensitive data or operate near physical workspaces. The decision value is confirming whether SOC and IR teams can correlate local wireless activity with file access by user/session, and whether Bluetooth is allowed, restricted, or disabled according to business need. It can also support audit evidence for endpoint monitoring and control of removable or local transfer channels.
Technical view
Validate whether Linux telemetry can identify execution of hcitool, bluetoothctl, or rfcomm and correlate that activity with recent file-read events by the same user or session. Because no ATT&CK tactic or formal detection logic is supplied, teams should treat the analytic as a correlation pattern rather than a complete detection rule. Useful triage context includes the user identity, interactive session, command line, Bluetooth device context if available, files read shortly before connection initialization, and whether Bluetooth use is expected on that host.
Likely telemetry
- Linux process execution events for hcitool, bluetoothctl, and rfcomm
- Command-line arguments and parent process context
- User, session, terminal, and login context
- File read/access audit events with path, timestamp, and user attribution
- Bluetooth subsystem or service logs where available
Detection direction
- Build or validate correlation between Bluetooth connection initialization tools and recent file reads by the same user or session.
- Tune expected administrative, support, lab, or approved peripheral workflows to reduce false positives.
- Prioritize unusual hosts, sensitive file paths, unexpected users, or first-seen Bluetooth tool usage for review.
- Check for blind spots where Linux file-read auditing is absent, command-line capture is disabled, or Bluetooth logs are not centralized.
- Use the analytic as a hypothesis for triage, not a standalone conclusion of malicious activity.
Mitigation priorities
- Define where Bluetooth is business-required on Linux systems and disable or restrict it where it is not needed.
- Limit use of Bluetooth management tools to approved users and administrative workflows.
- Ensure endpoint logging captures process execution, command line, user/session context, and relevant file access events.
- Apply least-privilege and sensitive-data access controls so file reads are accountable and limited.
- Document approved Bluetooth exceptions to support SOC tuning and compliance evidence.
Analyst notes and limits
The supplied object is a detection analytic for Linux and names a specific correlation: hcitool, bluetoothctl, or rfcomm activity paired with recent file reads by the same user or session. No related ATT&CK techniques, tactics, procedures, threat actors, or campaigns were supplied, so interpretation should remain focused on local monitoring and control validation.
Official detection content and relationship context were not provided. This take cannot assert malicious intent, active exploitation, attribution, impact, or complete detection coverage. Local environment baselines, Bluetooth policy, host role, and file sensitivity are required to determine severity.
Analytic 1532
Use of hcitool, bluetoothctl, or rfcomm to initialize Bluetooth connection paired with recent file reads by the same user or session.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
All related ATT&CK context
No relationships are available in the current normalized data for this object.
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates .
Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 59b745829ca3… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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[1]
mitre-attack AN1532Open source URL
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