AN0508: Analytic 0508
Detection of group enumeration using commands like 'id', 'groups', or 'getent group', often followed by privilege escalation or SSH lateral movement.
Analyst context for executives and security teams
This analytic matters because Linux group enumeration is often an early decision point for an intruder or suspicious user: it helps them understand what privileges, shared access paths, and lateral movement options may exist. For leaders, the value is not the commands themselves, but whether the organization can see identity discovery activity on Linux systems before it becomes privilege escalation or SSH-based movement.
Executive priority
Prioritize this as a coverage-validation item for Linux estates, especially servers where local groups, privileged groups, or SSH access are material to business operations. Executives and risk owners should ask whether SOC and IR teams can prove collection of Linux process execution and identity/group lookup activity, whether alerts are tuned enough to avoid drowning in normal administration, and whether investigation playbooks connect group enumeration to follow-on privilege escalation or SSH movement decisions.
Technical view
AN0508 is a Linux detection analytic for group enumeration using commands such as id, groups, or getent group. Because ATT&CK provides no formal detection logic and no relationship context, teams should treat this as a detection engineering prompt rather than a complete rule. Validate visibility into process execution, command-line arguments, user context, host role, and session source. Tune around legitimate administration, login scripts, configuration management, and troubleshooting while prioritizing unusual execution by service accounts, newly seen users, remote sessions, or activity clustered with privilege-change attempts or SSH activity.
Likely telemetry
- Linux process creation events with command-line arguments
- User identity and effective user context for executed commands
- Shell/session telemetry, including remote login context where available
- Authentication logs relevant to SSH sessions
- Host inventory and role context for Linux systems
Detection direction
- Confirm that Linux process execution telemetry captures id, groups, and getent group with sufficient command-line detail.
- Baseline legitimate administrative and automation usage to reduce false positives.
- Prioritize alerting when group enumeration is performed by unusual users, service accounts, or from unexpected remote sessions.
- Correlate enumeration with nearby SSH authentication activity or privilege escalation indicators, while avoiding claims of compromise from enumeration alone.
- Document blind spots such as unmanaged Linux hosts, missing command-line logging, short log retention, and noisy administrative tooling.
Mitigation priorities
- Ensure Linux systems that matter to business continuity are onboarded to logging or endpoint telemetry with process and authentication visibility.
- Review privileged group membership and remove unnecessary access where local evidence shows exposure.
- Harden SSH access and administrative paths according to existing identity and access policies.
- Create SOC triage guidance that distinguishes normal administration from suspicious discovery patterns.
- Use this analytic as compliance and readiness evidence only after telemetry, retention, tuning, and response workflow are validated in the local environment.
Analyst notes and limits
The supplied ATT&CK object is a detection analytic, not a technique, and it provides a concise description but no official detection logic, tactics, relationships, aliases, or labels. The strongest use is as a practical validation checkpoint for Linux identity-discovery visibility and SOC correlation around possible follow-on privilege escalation or SSH lateral movement.
Assessment is limited to the official STIX fields and external reference supplied. No active exploitation, threat actor attribution, business impact, or guaranteed detection coverage is implied. Local host roles, logging configuration, identity model, and administrative practices are required to determine alert severity and tuning.
Analytic 0508
Detection of group enumeration using commands like 'id', 'groups', or 'getent group', often followed by privilege escalation or SSH lateral movement.
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 | 904ef1387de9… |
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 AN0508Open source URL
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