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THE HUNTER’S LEDGER
ATT&CK Technique · Initial Access
T1566.001 Spearphishing Attachment
Mapped by 4 reports, 0 detection rules 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 May 2026 · under Initial Access · HIGH
HijackLoader / Penguish / Rugmi to AsyncRAT Multi-Vector Phishing Campaign
Report Mar 2026 · under Initial Access · HIGH
ZeroTrace Multi-Family MaaS Operation (74.0.42.25)
Report Dec 2025 · under Initial Access · MODERATE
PULSAR RAT (server.exe) — Technical Analysis & Business Risk Assessment

Detection rules

No published detection rule on the site covers this technique yet.

Tracked actors

Designations whose reports map this technique.

  • UTA-2026-007: HijackLoader customer running a 15-month multi-vector phishing campaign into an AsyncRAT-class RAT
  • UTA-2026-018: Hands-on-keyboard operator exploiting four Southeast Asian governments with a bespoke edge-device toolkit

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.