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ATT&CK techniqueStealth (formerly Defense Evasion)

T1564.001 Hidden Files and Directories

Stealth (formerly Defense Evasion)EnterpriseSub-technique

As of 2026-10-05, T1564.001 (Hidden Files and Directories) appears in 84 tracked threats, first reported 2021-11-25 and most recently 2026-10-02, with linked actors including APT38, Sapphire Sleet, Stardust Chollima; it most often appears alongside T1071.001 (Web Protocols).

Tracked threats
8423 critical, 55 high, 6 medium
First seen
2021-11-25
Last seen
2026-10-02
Threat actors
24In the threats using it
Detection rules
189Blue tier and above

Data as of:

Activity timeline

T1564.001 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 20 reports, and 83 of the 84 threats were reported in the twelve months to 2026-10.

How adversaries use it

T1564.001 Hidden Files and Directories is catalogued by MITRE ATT&CK under the Stealth (formerly Defense Evasion) tactic in the Enterprise matrix, as a sub-technique of T1564 Hide Artifacts. Threadlinqs maps 84 of 2623 tracked threats (3.2%) to it; by severity that is 23 critical, 55 high, 6 medium.

Threats that use T1564.001 most often also use T1071.001 Web Protocols (58 threats), T1036.005 Match Legitimate Resource Name or Location (54 threats), T1082 System Information Discovery (54 threats), T1027 Obfuscated Files or Information (50 threats), T1005 Data from Local System (45 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.

24 tracked threat actors appear in the threats that use T1564.001; the most frequent are APT38 (5), Sapphire Sleet (4), Stardust Chollima (4), SideCopy (3), TeamPCP (3).

Data sources

Telemetry that can reveal T1564.001, per MITRE ATT&CK.

  • Command — Command Execution
  • File — File Creation, File Metadata
  • Process — Process Creation

Threat actors using it

Tracked threats

The 30 most recent of 84 tracked threats that use T1564.001.

Detection coverage

Threadlinqs maintains 189 detection rules mapped to T1564.001 (SPL 66, KQL 52, Sigma 71). Rule content is available to Blue tier accounts and above; this page shows counts only.

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

Parent technique

T1564 Hide Artifacts — 174 tracked threats at the technique level.