Techniques › T1040 › AN0877
AN0877 Analytic 0877
macOS · attack.mitre.org · ATT&CK Enterprise v19.2
<p>Detects enabling of interface sniffing via packet capture tools or AppleScript triggering
tcpdump. Leverages Unified Logs and process lineage to identify suspicious use of pfctl, tcpdump, or libpcap libraries.</p>- Detects
- T1040 Network Sniffing
- Part of
- DET0314 Detection Strategy for Network Sniffing Across Platforms
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 | eventMessage = 'promiscuous' | DC0085 Network Traffic Content |
| macos:osquery | process_events where path like '%tcpdump%' | DC0032 Process Creation |
| fs:fsusage | access to BPF devices or interface IOCTLs | DC0064 Command Execution |
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 |
|---|---|
AllowedTools | Whitelist Apple-native tools used by IT admins and mobile device management (MDM). |
UserContext | Prioritize detections from non-admin or low-privilege users performing packet captures. |
KEV CVEs whose mapped technique this analytic detects
| CVE | Vendor / product | State |
|---|---|---|
| CVE-2021-32030 | ASUS Routers | Mapped |
| CVE-2022-1040 | Sophos Firewall | Mapped |