# T1564.001 Hidden Files and Directories > 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:** 84 (23 critical, 55 high, 6 medium) - **First seen:** 2021-11-25 - **Last seen:** 2026-10-02 - **Threat actors:** 24 - **Detection rules:** 189 (counts only; Blue tier and above) ## Key facts - **ID:** T1564.001 - **Framework:** MITRE ATT&CK - **Tactics:** Stealth (formerly Defense Evasion) - **Matrix:** Enterprise - **Parent:** T1564 - **Data as of:** 2026-10-05 - **MITRE:** https://attack.mitre.org/techniques/T1564/001/ ## Activity timeline T1564.001 first appeared in tracked threats on 2021-11-25 and was most recently reported on 2026-10-02. 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](https://intel.threadlinqs.com/technique/T1564). 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](https://intel.threadlinqs.com/technique/T1071.001) (58 threats), [T1036.005 Match Legitimate Resource Name or Location](https://intel.threadlinqs.com/technique/T1036.005) (54 threats), [T1082 System Information Discovery](https://intel.threadlinqs.com/technique/T1082) (54 threats), [T1027 Obfuscated Files or Information](https://intel.threadlinqs.com/technique/T1027) (50 threats), [T1005 Data from Local System](https://intel.threadlinqs.com/technique/T1005) (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](https://intel.threadlinqs.com/actor/APT38) (5), [Sapphire Sleet](https://intel.threadlinqs.com/actor/Sapphire%20Sleet) (4), [Stardust Chollima](https://intel.threadlinqs.com/actor/Stardust%20Chollima) (4), [SideCopy](https://intel.threadlinqs.com/actor/SideCopy) (3), [TeamPCP](https://intel.threadlinqs.com/actor/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 - [APT38](https://intel.threadlinqs.com/actor/APT38) — 5 - [Sapphire Sleet](https://intel.threadlinqs.com/actor/Sapphire%20Sleet) — 4 - [Stardust Chollima](https://intel.threadlinqs.com/actor/Stardust%20Chollima) — 4 - [SideCopy](https://intel.threadlinqs.com/actor/SideCopy) — 3 - [TeamPCP](https://intel.threadlinqs.com/actor/TeamPCP) — 3 - [UNC1069](https://intel.threadlinqs.com/actor/UNC1069) — 3 - [APT36](https://intel.threadlinqs.com/actor/APT36) — 2 - [ClickLock Dev](https://intel.threadlinqs.com/actor/ClickLock%20Dev) — 2 - [Transparent Tribe](https://intel.threadlinqs.com/actor/Transparent%20Tribe) — 2 - [APT37](https://intel.threadlinqs.com/actor/APT37) — 1 - [Andariel](https://intel.threadlinqs.com/actor/Andariel) — 1 - [Chaotic Eclipse](https://intel.threadlinqs.com/actor/Chaotic%20Eclipse) — 1 ## Tracked threats The 30 most recent of 84 tracked threats that use T1564.001. - [CloudSyncD macOS Backdoor Delivered via Fake Zoom Installer](https://intel.threadlinqs.com/threat/TL-2026-2840) — high — 2026-10-02 - [Malicious ChatGPT Custom GPT "Plus 5.6" Used in ClickFix Campaign Delivering RAT via DLL Sideloading of…](https://intel.threadlinqs.com/threat/TL-2026-2766) — high — 2026-09-29 - [Citrix Patches Two Actively Exploited NetScaler Zero-Days (CVE-2026-88771, CVE-2026-88772)](https://intel.threadlinqs.com/threat/TL-2026-2703) — critical — 2026-09-27 - [CISA Adds Four Actively Exploited KEVs: Check Point Gateway/Management RCE Flaws, Arista VeloCloud…](https://intel.threadlinqs.com/threat/TL-2026-2678) — critical — 2026-09-26 - [PamStealer macOS Infostealer Adds Live C2 with X25519 Key Exchange, Four-Method Persistence](https://intel.threadlinqs.com/threat/TL-2026-2674) — high — 2026-09-26 - [BigDiskBuster PoC Blocks Microsoft Defender Antivirus Updates via Disk-Space Exhaustion](https://intel.threadlinqs.com/threat/TL-2026-2618) — medium — 2026-09-22 - [BigDiskBuster PoC Blocks Windows Defender Signature/Platform Updates (DoS)](https://intel.threadlinqs.com/threat/TL-2026-2613) — medium — 2026-09-22 - [Admin Menu Editor Pro WordPress Plugin Backdoored via Supply-Chain Compromise, 1,500 Sites Affected](https://intel.threadlinqs.com/threat/TL-2026-2524) — critical — 2026-09-15 - [Red Heron Weaponizes Gitea RCE (CVE-2026-60004) with JITTERLY Implant and SIXZUT Rootkit](https://intel.threadlinqs.com/threat/TL-2026-2516) — critical — 2026-09-14 - [Tropic Trooper Spear-Phishing Campaign Uses LNK Loader, DLL Side-Loading via Signed McAfee Binary, and…](https://intel.threadlinqs.com/threat/TL-2026-2427) — high — 2026-09-10 - [StyleSmuggler — Unpatched Magento and Adobe Commerce Zero-Day Exploited to Backdoor Online Stores](https://intel.threadlinqs.com/threat/TL-2026-2358) — critical — 2026-09-06 - [TerminalFix Campaign Deploys Custom Reverse-Tunnel Implant via Fake Cloudflare CAPTCHA and Multistage…](https://intel.threadlinqs.com/threat/TL-2026-2265) — critical — 2026-08-31 - [TerminalFix Campaign Deploys Custom Python Reverse-Tunnel Implant via Fake Cloudflare CAPTCHA, DLL…](https://intel.threadlinqs.com/threat/TL-2026-2260) — high — 2026-08-31 - [Auto-Color Linux Backdoor Reverse-Engineered: Root-Level LD_PRELOAD Persistence and Encrypted C2](https://intel.threadlinqs.com/threat/TL-2026-2264) — high — 2026-08-30 - [TerminalFix: ClickFix-Style Fake Cloudflare CAPTCHA Delivers DLL Sideloading and Python Reverse-Tunnel…](https://intel.threadlinqs.com/threat/TL-2026-2237) — high — 2026-08-30 - [Dark Caracal Deploys New GoCaracal Malware with Ethereum-Based C2 Resilience in Venezuela Breach](https://intel.threadlinqs.com/threat/TL-2026-2219) — high — 2026-08-29 - [Fake Cloudflare CAPTCHA Delivers TerminalFix Reverse Tunnel via ClickFix-Style DLL Sideloading](https://intel.threadlinqs.com/threat/TL-2026-2203) — high — 2026-08-29 - [TerminalFix Campaign: ClickFix-Style Lure Deploys Steganographic DLL Sideload and Custom Reverse Tunnel in…](https://intel.threadlinqs.com/threat/TL-2026-2198) — high — 2026-08-28 - [Qilin-Linked Campaign Exploits MCP Gateway and LLM Framework Flaws (CVE-2026-59822, CVE-2026-42271…](https://intel.threadlinqs.com/threat/TL-2026-2185) — critical — 2026-08-28 - [14 Trojanized npm Packages Drop RedC2 4.0 Linux Backdoor With AI-Assisted C2](https://intel.threadlinqs.com/threat/TL-2026-2099) — critical — 2026-08-21 - [CISA Warns of Active Exploitation of Ray-Project Ray Code Injection Vulnerability (CVE-2025-62593) by…](https://intel.threadlinqs.com/threat/TL-2026-2097) — critical — 2026-08-21 - [Chinese-speaking threat group UAT-10147 uses agentic AI to automate exploitation of internet-facing web…](https://intel.threadlinqs.com/threat/TL-2026-2096) — high — 2026-08-21 - [Popular Rust Packages With 244M Downloads Compromised in Supply Chain Attack](https://intel.threadlinqs.com/threat/TL-2026-2083) — critical — 2026-08-20 - [AmnesiaStealer: macOS Infostealer Hijacks Live Browser Sessions via Chrome DevTools Protocol Remote Control](https://intel.threadlinqs.com/threat/TL-2026-2029) — high — 2026-08-16 - [HoneyMyte (Mustang Panda) Upgrades CoolClient Backdoor with Kernel-Level Windows Rootkit (msagent.sys)](https://intel.threadlinqs.com/threat/TL-2026-2013) — high — 2026-08-14 - [Over 250 Fake Download Domains Deliver AMOS and MacSync Infostealers via ClickFix with Server-Side Browser…](https://intel.threadlinqs.com/threat/TL-2026-1907) — high — 2026-08-06 - [Over 250 ClickFix Domains Use Browser Fingerprinting to Hide macOS Malware Lures — Atomic Stealer (AMOS) and…](https://intel.threadlinqs.com/threat/TL-2026-1899) — high — 2026-08-05 - [macOS ClickFix Campaign Using Browser Fingerprinting Gate to Distribute Atomic Stealer (AMOS) and MacSync…](https://intel.threadlinqs.com/threat/TL-2026-1894) — high — 2026-08-05 - [1337_GTWK Linux Kernel Rootkit — AI-Assisted Malware-as-a-Service (elf.1337_gtwk_rootkit)](https://intel.threadlinqs.com/threat/TL-2026-1837) — high — 2026-08-03 - [Larva-24009 (aka HeptaX) Spear-Phishing Campaign Deploys QuasarRAT, UltraVNC and Updated Notifier Backdoor](https://intel.threadlinqs.com/threat/TL-2026-1833) — high — 2026-08-03 ## Related CVEs CVEs referenced by the tracked threats that use T1564.001, most frequent first. - [CVE-2026-45321](https://intel.threadlinqs.com/cve/CVE-2026-45321) - [CVE-2019-11580](https://intel.threadlinqs.com/cve/CVE-2019-11580) - [CVE-2019-16098](https://intel.threadlinqs.com/cve/CVE-2019-16098) - [CVE-2019-18935](https://intel.threadlinqs.com/cve/CVE-2019-18935) - [CVE-2021-23758](https://intel.threadlinqs.com/cve/CVE-2021-23758) - [CVE-2021-29441](https://intel.threadlinqs.com/cve/CVE-2021-29441) - [CVE-2022-0847](https://intel.threadlinqs.com/cve/CVE-2022-0847) - [CVE-2022-27925](https://intel.threadlinqs.com/cve/CVE-2022-27925) - [CVE-2022-37042](https://intel.threadlinqs.com/cve/CVE-2022-37042) - [CVE-2022-40684](https://intel.threadlinqs.com/cve/CVE-2022-40684) - [CVE-2023-27997](https://intel.threadlinqs.com/cve/CVE-2023-27997) - [CVE-2023-38831](https://intel.threadlinqs.com/cve/CVE-2023-38831) - [CVE-2025-29927](https://intel.threadlinqs.com/cve/CVE-2025-29927) - [CVE-2025-48703](https://intel.threadlinqs.com/cve/CVE-2025-48703) - [CVE-2025-55182](https://intel.threadlinqs.com/cve/CVE-2025-55182) - [CVE-2025-62593](https://intel.threadlinqs.com/cve/CVE-2025-62593) - [CVE-2025-8088](https://intel.threadlinqs.com/cve/CVE-2025-8088) - [CVE-2025-9501](https://intel.threadlinqs.com/cve/CVE-2025-9501) - [CVE-2026-1357](https://intel.threadlinqs.com/cve/CVE-2026-1357) - [CVE-2026-21510](https://intel.threadlinqs.com/cve/CVE-2026-21510) - [CVE-2026-21513](https://intel.threadlinqs.com/cve/CVE-2026-21513) - [CVE-2026-32202](https://intel.threadlinqs.com/cve/CVE-2026-32202) - [CVE-2026-39987](https://intel.threadlinqs.com/cve/CVE-2026-39987) - [CVE-2026-42271](https://intel.threadlinqs.com/cve/CVE-2026-42271) - [CVE-2026-48027](https://intel.threadlinqs.com/cve/CVE-2026-48027) - [CVE-2026-48276](https://intel.threadlinqs.com/cve/CVE-2026-48276) - [CVE-2026-48277](https://intel.threadlinqs.com/cve/CVE-2026-48277) - [CVE-2026-48281](https://intel.threadlinqs.com/cve/CVE-2026-48281) - [CVE-2026-48282](https://intel.threadlinqs.com/cve/CVE-2026-48282) - [CVE-2026-48710](https://intel.threadlinqs.com/cve/CVE-2026-48710) ## 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: https://threadlinqs.com/pricing ## Parent technique [T1564 Hide Artifacts](https://intel.threadlinqs.com/technique/T1564) — 174 tracked threats at the technique level. ## Links - Canonical page: https://intel.threadlinqs.com/technique/T1564.001 - All techniques: https://intel.threadlinqs.com/techniques - Full detection coverage and IOCs: https://intel.threadlinqs.com/mcp (Purple tier)