Techniques › T1071.003 › AN0381
AN0381 Analytic 0381
macOS · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Detects email-sending behavior via Terminal, AppleScript, or Automator that interfaces with SMTP or IMAP, typically using curl or mail-related APIs in unsanctioned contexts.</p>
- Detects
- T1071.003 Mail Protocols
- Part of
- DET0135 Detection of Mail Protocol-Based C2 Activity (SMTP, IMAP, POP3)
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 |
|---|---|---|
| macos:unifiedlog | log stream --predicate 'processImagePath CONTAINS "curl" OR "osascript"' | DC0032 Process Creation |
| macos:osquery | socket_events | DC0078 Network Traffic Flow |
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 |
|---|---|
UserContext | Monitor non-mail client users initiating SMTP/IMAP |
TimeWindow | Look for execution of mail commands during off-hours |