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THE HUNTER’S LEDGER
ATT&CK Technique · Stealth
T1564.003 Hidden Window
Mapped by 2 reports, 1 detection rule and 2 tracked actors on The Hunters Ledger. Technique page on attack.mitre.org.

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Reports

Each report maps this technique in its own ATT&CK table, at the confidence the report states. The link opens that table.

Report Apr 2026 · under Stealth · HIGH
Chaos Ransomware (TorBrowserTor) Multi-Stage Loader (94.103.1.13)
Report Apr 2026 · under Stealth · HIGH
Shadow RAT & XWorm Open Directory Campaign

Detection rules

Rules whose ATT&CK coverage line names this technique, by detection page. The link opens the page's coverage table.

Detection rules Dec 2025 · 1 rule
PULSAR RAT (server.exe) — Technical Analysis & Business Risk Assessment
cmd.exe Launched with Non-Standard /headless Argument (SIGMA, Hunting)

Tracked actors

Designations whose reports map this technique.

  • UTA-2026-003: Commodity MaaS consumer running Shadow RAT and XWorm from one Windows VPS
  • UTA-2026-005: Chaos ransomware builder user with a private five-stage crypter

ATT&CK v19.2. MITRE ATT&CK® is a registered trademark of The MITRE Corporation; technique names are MITRE's and link to MITRE's own pages. The mapping on each linked page is this publication's reading of its own evidence.