AN1046: Analytic 1046
Monitor access to /proc/self/status where TracerPID field is queried, as this is a common technique for debugger detection. Detect processes that attempt to trigger exceptions intentionally and monitor whether exception handling indicates presence of a debugger.
Analyst context for executives and security teams
This analytic matters because debugger-detection behavior can indicate software trying to determine whether it is being analyzed. On Linux systems, access to /proc/self/status with attention to the TracerPID field, or deliberate exception behavior used to infer debugger presence, can be relevant to SOC triage and malware-analysis readiness. For leaders, the decision value is not that this alone proves compromise, but that it can help distinguish routine process behavior from code that may be attempting to evade analysis or inspection.
Executive priority
Prioritize this as a Linux detection-engineering and incident-response validation item where Linux servers, developer workstations, or analysis environments are material to operations. Executives should ask whether the organization can collect and review process-level evidence for sensitive procfs access and unusual exception patterns, and whether SOC playbooks treat debugger-detection signals as context for escalation rather than as standalone proof of malicious activity.
Technical view
For Linux coverage, validate whether telemetry can show process access to /proc/self/status and whether detections can identify reads followed by querying or parsing of the TracerPID field. Where available, correlate with process ancestry, command line, executable path, user context, file reputation or provenance, and nearby exception or crash-handling events. Because ATT&CK provides no tactic or relationship context for this analytic, use it as a behavioral signal that requires local enrichment and triage context.
Likely telemetry
- Linux process execution metadata
- File or procfs access events for /proc/self/status
- Process ancestry and command-line data
- User and service account context
- Exception, crash, or signal-handling telemetry where available
Detection direction
- Confirm whether Linux telemetry captures access to /proc/self/status at sufficient fidelity; many environments do not log procfs reads by default.
- Tune for processes that access /proc/self/status and query or parse TracerPID, rather than alerting on every procfs access.
- Correlate with intentional exception generation or unusual exception-handling behavior when such telemetry exists.
- Suppress or document expected activity from debuggers, monitoring tools, developer utilities, and security tools to reduce false positives.
- Treat matches as enrichment for investigation unless combined with suspicious process lineage, unexpected execution location, unknown binaries, or other malicious behavior.
Mitigation priorities
- Establish Linux endpoint and audit coverage that can observe relevant process and procfs activity where risk justifies the collection cost.
- Maintain allowlists or baselines for legitimate developer, debugging, monitoring, and security tooling that may inspect TracerPID.
- Ensure incident-response playbooks explain how to triage debugger-detection signals with process lineage, file provenance, and host role.
- Use this analytic to improve malware-analysis and SOC readiness, not as a standalone blocking rule without validation in the local environment.
Analyst notes and limits
The supplied ATT&CK object is a detection analytic for Linux only. It describes monitoring /proc/self/status access where TracerPID is queried and observing intentional exception behavior used to infer debugger presence. No official detection logic, tactic, technique relationship, group relationship, software relationship, or mitigation relationship was supplied, so the take is intentionally framed around validation and triage value.
Coverage depends heavily on local Linux logging, EDR/audit configuration, and whether procfs reads and exception behavior are observable. The ATT&CK fields do not identify associated tactics, active exploitation, attribution, impact, or specific data sources beyond the analytic description, so conclusions must be confirmed with environment-specific evidence.
Analytic 1046
Monitor access to /proc/self/status where TracerPID field is queried, as this is a common technique for debugger detection. Detect processes that attempt to trigger exceptions intentionally and monitor whether exception handling indicates presence of a debugger.
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
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Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 39325bc62215… |
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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mitre-attack AN1046Open source URL
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