ATT&CK Technique · Command and Control
T1571 Non-Standard PortMapped by 10 reports, 9 detection rules and 11 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.
Detection rules
Rules whose ATT&CK coverage line names this technique, by detection page. The link opens the page's coverage table.
Detection rules
CloudSync: An Assembler's Intrusion ToolkitCloudSync C2 Protocol: Dual Build Coverage (YARA, Detection); CloudSync C2 Registration Marker (SURICATA, Detection); CloudSync C2 Heartbeat And Terminator Marker (SURICATA, Detection)
Detection rules
GOCLOUD Multi-Service CryptojackingGOCLOUD_Listener2_Control_Plane (YARA, Detection)
Detection rules
GHOST Cryptojacker Kit — Vova75Rus Supply Chain (77.110.96.200)High-Frequency Ncat Listener Creation on Linux Host (SIGMA, Hunting); GHOST Cryptojacker Kit Hysteria v2 QUIC Backdoor Egress: Known Operator Ports (SURICATA, Hunting); GHOST Cryptojacker Kit Hysteria v2 QUIC Backdoor Inbound: Victim-Hosted Listener Ports (SURICATA, Hunting)
Detection rules
Open Directory at 193.56.255.154 — XiebroC2 v3.1 & Covenant C2XiebroC2 v3.1 Binary-Patchable Config: Padded-IPv4 Structural Pattern (YARA, Hunting); Covenant GruntStager Masquerade: Chrome 41 Windows 7 UA on Port 443 (SURICATA, Detection)
Tracked actors
Designations whose reports map this technique.
- UTA-2026-002: XiebroC2 and Covenant operator working from a Chinese-language build environment
- UTA-2026-003: Commodity MaaS consumer running Shadow RAT and XWorm from one Windows VPS
- UTA-2026-004: Developer of the OpenStrike multi-implant C2 toolkit, with a cracked Cobalt Strike arsenal
- UTA-2026-007: HijackLoader customer running a 15-month multi-vector phishing campaign into an AsyncRAT-class RAT
- UTA-2026-016: GHOST cryptojacker kit customer (operator A) with self-hosted mining pool proxies
- UTA-2026-017: GHOST cryptojacker kit customer (operator B) using public mining pools, host abandoned
- UTA-2026-018: Hands-on-keyboard operator exploiting four Southeast Asian governments with a bespoke edge-device toolkit
- UTA-2026-020: Self-branded commodity cryptojacking operator mass-exploiting exposed Chinese enterprise software
- UTA-2026-021: Assembler-model intrusion operator staging other actors' tooling against one German victim forest
- UTA-2026-023: Telecom-focused operator reaching a carrier's credential plane through a customer's managed router
- UTA-2026-024: Windows post-exploitation intrusion set with Sliver and a blockchain-resolved implant
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.