Techniques › T1098.007 › AN0866
AN0866 Analytic 0866
Linux · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Detects unexpected use of usermod, gpasswd, or direct modification of /etc/group to elevate user group membership.</p>
- Detects
- T1098.007 Additional Local or Domain Groups
- Part of
- DET0310 Suspicious Addition to Local or Domain Groups
Log sources and channels
Exactly as MITRE states them in x_mitre_log_source_references. Where a channel is vague, it is vague in the source; kevmap does not tidy it.
| Log source | Channel | Data component |
|---|---|---|
| auditd:SYSCALL | SYSCALL for usermod or /etc/group file modification | DC0010 User Account Modification |
Mutable elements
Parameters MITRE marks as environment-specific. These are the knobs you are expected to tune; they are why an analytic is not a rule.
| Field | Description |
|---|---|
GroupName | Focus on 'sudo', 'wheel', or custom high-privilege groups |
UserContext | Account that initiated the change (e.g., service account or unrecognized user) |
TimeWindow | Detect elevation outside change windows |