Threadlinqs IntelligenceStart free

ATT&CK techniquePersistencePrivilege Escalation

T1547.004 Winlogon Helper DLL

PersistencePrivilege EscalationEnterpriseSub-technique

As of 2026-11-09, T1547.004 (Winlogon Helper DLL) appears in 10 tracked threats, first reported 2026-05-07 and most recently 2026-11-03, with linked actors including Daxin operators, CylindricalCanine, DragonBreath; it most often appears alongside T1027 (Obfuscated Files or Information).

Tracked threats
108 high, 1 medium, 1 low
First seen
2026-05-07
Last seen
2026-11-03
Threat actors
6In the threats using it
Detection rules
31Unlock with TL Creds

Data as of:

Activity timeline

T1547.004 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-10 with 3 reports, and 10 of the 10 threats were reported in the twelve months to 2026-11.

How adversaries use it

T1547.004 Winlogon Helper DLL is catalogued by MITRE ATT&CK under the Persistence and Privilege Escalation tactics in the Enterprise matrix, as a sub-technique of T1547 Boot or Logon Autostart Execution. Threadlinqs maps 10 of 3731 tracked threats (0.3%) to it; by severity that is 8 high, 1 medium, 1 low.

Threats that use T1547.004 most often also use T1027 Obfuscated Files or Information (6 threats), T1106 Native API (6 threats), T1140 Deobfuscate/Decode Files or Information (6 threats), T1036.005 Match Legitimate Resource Name or Location (5 threats), T1204.002 Malicious File (5 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 T1547.004; the most frequent are Daxin operators (2), CylindricalCanine (1), DragonBreath (1), FSB Center 16 (1), LockBit (1).

Mitigations

MITRE ATT&CK lists 2 mitigations for T1547.004.

Data sources

Telemetry that can reveal T1547.004, per MITRE ATT&CK.

  • Command — Command Execution
  • Module — Module Load
  • Process — Process Creation
  • Windows Registry — Windows Registry Key Modification

Threat actors using it

Tracked threats

10 tracked threats use T1547.004.

Detection coverage

Threadlinqs maintains 31 detection rules mapped to T1547.004 (SPL 12, KQL 9, Sigma 10). Rule content unlocks with TL Creds on a free account; this page shows counts only.

31 detection rules (SPL/KQL/Sigma) · unlock with TL Creds. Sign up free to unlock the detection rules or query them with the Threadlinqs MCP server (Purple)

Parent technique

T1547 Boot or Logon Autostart Execution — 357 tracked threats at the technique level.