Threadlinqs IntelligenceStart free

ATT&CK techniqueImpact

T1499.004 Application or System Exploitation

ImpactEnterpriseSub-technique

As of 2026-10-05, T1499.004 (Application or System Exploitation) appears in 74 tracked threats, first reported 2026-04-15 and most recently 2026-10-04, with linked actors including Handala Hack, UNK_MassTraction, Void Manticore; it most often appears alongside T1190 (Exploit Public-Facing Application).

Tracked threats
7436 critical, 28 high, 9 medium
First seen
2026-04-15
Last seen
2026-10-04
Threat actors
3In the threats using it
Detection rules
219Blue tier and above

Data as of:

Activity timeline

T1499.004 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-09 with 26 reports, and 74 of the 74 threats were reported in the twelve months to 2026-10.

How adversaries use it

T1499.004 Application or System Exploitation is catalogued by MITRE ATT&CK under the Impact tactic in the Enterprise matrix, as a sub-technique of T1499 Endpoint Denial of Service. Threadlinqs maps 74 of 2623 tracked threats (2.8%) to it; by severity that is 36 critical, 28 high, 9 medium.

Threats that use T1499.004 most often also use T1190 Exploit Public-Facing Application (49 threats), T1595.002 Vulnerability Scanning (40 threats), T1588.006 Vulnerabilities (38 threats), T1587.004 Exploits (29 threats), T1588.005 Exploits (27 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.

3 tracked threat actors appear in the threats that use T1499.004; the most frequent are Handala Hack (1), UNK_MassTraction (1), Void Manticore (1).

Mitigations

MITRE ATT&CK lists 1 mitigation for T1499.004.

Data sources

Telemetry that can reveal T1499.004, per MITRE ATT&CK.

  • Application Log — Application Log Content
  • Network Traffic — Network Traffic Content, Network Traffic Flow
  • Sensor Health — Host Status

Threat actors using it

Tracked threats

The 30 most recent of 74 tracked threats that use T1499.004.

Detection coverage

Threadlinqs maintains 219 detection rules mapped to T1499.004 (SPL 75, KQL 71, Sigma 73). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Parent technique

T1499 Endpoint Denial of Service — 127 tracked threats at the technique level.