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ATT&CK techniquePrivilege EscalationStealth (formerly Defense Evasion)

T1134 Access Token Manipulation

Privilege EscalationStealth (formerly Defense Evasion)Enterprise

As of 2026-10-05, T1134 (Access Token Manipulation) appears in 83 tracked threats, first reported 2026-02-02 and most recently 2026-09-23, with linked actors including Nightmare Eclipse, Chaotic Eclipse, Nightmare-Eclipse; it most often appears alongside T1685 (Disable or Modify Tools).

Tracked threats
8326 critical, 47 high, 10 medium
First seen
2026-02-02
Last seen
2026-09-23
Threat actors
41In the threats using it
Detection rules
43Blue tier and above

Data as of:

Activity timeline

T1134 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 39 reports, and 83 of the 83 threats were reported in the twelve months to 2026-09.

How adversaries use it

T1134 Access Token Manipulation is catalogued by MITRE ATT&CK under the Privilege Escalation and Stealth (formerly Defense Evasion) tactics in the Enterprise matrix. Threadlinqs maps 83 of 2623 tracked threats (3.2%) to it; by severity that is 26 critical, 47 high, 10 medium.

Threats that use T1134 most often also use T1685 Disable or Modify Tools (51 threats), T1059 Command and Scripting Interpreter (50 threats), T1082 System Information Discovery (49 threats), T1027 Obfuscated Files or Information (44 threats), T1005 Data from Local System (42 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.

41 tracked threat actors appear in the threats that use T1134; the most frequent are Nightmare Eclipse (7), Chaotic Eclipse (3), Nightmare-Eclipse (3), ALPHV (2), APT28 (2).

Mitigations

MITRE ATT&CK lists 2 mitigations for T1134.

Data sources

Telemetry that can reveal T1134, per MITRE ATT&CK.

  • Active Directory — Active Directory Object Modification
  • Command — Command Execution
  • Process — OS API Execution, Process Creation, Process Metadata
  • User Account — User Account Metadata

Threat actors using it

Tracked threats

The 30 most recent of 83 tracked threats that use T1134.

Detection coverage

Threadlinqs maintains 43 detection rules mapped to T1134 (SPL 14, KQL 19, Sigma 10). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Sub-techniques