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ATT&CK techniqueResource Development

T1585 Establish Accounts

Resource DevelopmentEnterprise

As of 2026-10-05, T1585 (Establish Accounts) appears in 250 tracked threats, first reported 2026-01-27 and most recently 2026-09-27, with linked actors including APT38, Sapphire Sleet, Stardust Chollima; it most often appears alongside T1027 (Obfuscated Files or Information).

Tracked threats
25042 critical, 154 high, 46 medium, 4 low
First seen
2026-01-27
Last seen
2026-09-27
Threat actors
79In the threats using it
Detection rules
75Blue tier and above

Data as of:

Activity timeline

T1585 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 108 reports, and 250 of the 250 threats were reported in the twelve months to 2026-09.

How adversaries use it

T1585 Establish Accounts is catalogued by MITRE ATT&CK under the Resource Development tactic in the Enterprise matrix. Threadlinqs maps 250 of 2623 tracked threats (9.5%) to it; by severity that is 42 critical, 154 high, 46 medium, 4 low.

Threats that use T1585 most often also use T1027 Obfuscated Files or Information (155 threats), T1036 Masquerading (147 threats), T1583 Acquire Infrastructure (143 threats), T1071 Application Layer Protocol (138 threats), T1005 Data from Local System (131 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.

79 tracked threat actors appear in the threats that use T1585; the most frequent are APT38 (15), Sapphire Sleet (13), Stardust Chollima (12), Lazarus Group (11), Contagious Interview (9).

Mitigations

MITRE ATT&CK lists 1 mitigation for T1585.

Data sources

Telemetry that can reveal T1585, per MITRE ATT&CK.

  • Network Traffic — Network Traffic Content
  • Persona — Social Media

Threat actors using it

Tracked threats

The 30 most recent of 250 tracked threats that use T1585.

Detection coverage

Threadlinqs maintains 75 detection rules mapped to T1585 (SPL 21, KQL 23, Sigma 31). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Sub-techniques