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ATT&CK techniqueCommand and Control (Mobile)

T1437 Application Layer Protocol

Command and Control (Mobile)Mobile

As of 2026-10-05, T1437 (Application Layer Protocol) appears in 34 tracked threats, first reported 2026-03-07 and most recently 2026-09-20, with linked actors including MoYu Group, NSO Group, APT37; it most often appears alongside T1660 (Phishing).

Tracked threats
343 critical, 29 high, 1 medium, 1 low
First seen
2026-03-07
Last seen
2026-09-20
Threat actors
6In the threats using it
Detection rules
53Blue tier and above

Data as of:

Activity timeline

T1437 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 11 reports, and 34 of the 34 threats were reported in the twelve months to 2026-09.

How adversaries use it

T1437 Application Layer Protocol is catalogued by MITRE ATT&CK under the Command and Control (Mobile) tactic in the Mobile matrix. Threadlinqs maps 34 of 2623 tracked threats (1.3%) to it; by severity that is 3 critical, 29 high, 1 medium, 1 low.

Threats that use T1437 most often also use T1660 Phishing (24 threats), T1406 Obfuscated Files or Information (23 threats), T1417 Input Capture (22 threats), T1646 Exfiltration Over C2 Channel (22 threats), T1426 System Information Discovery (21 threats). These are the techniques an intrusion set tends to chain with it, so they are the natural next places to look when it is observed.

6 tracked threat actors appear in the threats that use T1437; the most frequent are MoYu Group (2), NSO Group (2), APT37 (1), Cyber Av3ngers (1), Interlock (1).

Threat actors using it

Tracked threats

The 30 most recent of 34 tracked threats that use T1437.

Detection coverage

Threadlinqs maintains 53 detection rules mapped to T1437 (SPL 18, KQL 18, Sigma 17). Rule content is available to Blue tier accounts and above; this page shows counts only.

53 detection rules (SPL/KQL/Sigma) · Blue and above. Compare plans

Sub-techniques

  • T1437.001 Web Protocols — 9 tracked threats