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THE HUNTER’S LEDGER
ATT&CK Technique · Persistence / Initial Access
T1133 External Remote Services
Mapped by 2 reports, 2 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 Aug 2026 · under Initial Access · HIGH
The Middle Tier: A Non-APT Operator's Reach Into Four Southeast Asian Governments
Report Aug 2026 · under Persistence · HIGH
CloudSync: An Assembler's Intrusion Toolkit

Detection rules

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

Detection rules Aug 2026 · 2 rules
The Middle Tier: A Non-APT Operator's Reach Into Four Southeast Asian Governments
Operator SSH Backdoor Public Key (susp_operator_ssh_pubkey_root_ubuntu_utah_1gb) (YARA, Detection); Redis Server Process Writing to SSH Authorized Keys File (SIGMA, Detection)

Tracked actors

Designations whose reports map this technique.

  • UTA-2026-018: Hands-on-keyboard operator exploiting four Southeast Asian governments with a bespoke edge-device toolkit
  • UTA-2026-021: Assembler-model intrusion operator staging other actors' tooling against one German victim forest

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.