Campaigns
UAT-7810 LONGLEASH ORB Network Expansion Campaign

UAT-7810 LONGLEASH ORB Network Expansion Campaign

ORB NetworkChina-Nexus APTRouter ExploitationCustom Backdoor MalwareN-Day Exploitation
On 7 July 2026, Cisco Talos disclosed that the China-nexus threat actor UAT-7810 continues to expand the "LapDogs" Operational Relay Box (ORB) network by exploiting n-day vulnerabilities in unpatched Ruckus and ASUS AiCloud routers, deploying an upgraded backdoor tracked as LONGLEASH alongside three newly discovered tools: DOGLEASH, JARLEASH, and LEASHTEST. The resulting ORB infrastructure is used to proxy traffic for secondary China-nexus APT groups, such as UAT-5918, to evade detection and complicate attribution.

Indicators of Compromise

No domains found for this campaign

Campaign Guidance

Remediation, mitigation, notes, history and related intelligence

Remediation / Detections

Detection Strategy Name

ID

Analytic ID

Analytic Description

Detection of Exploitation of Public-Facing Network Devices

DET0080

AN0225

Monitor internet-facing routers for anomalous outbound connections, unauthorized binary/firmware writes, and unexpected iptables rule changes following known Ruckus/ASUS CVE exploitation attempts.

Detection of Multi-hop / ORB Proxy Traffic

DET0359

AN1024

Monitor NetFlow and full packet capture for encrypted traffic between routers on non-standard ports (99, 2222, 8088) and for reuse of the self-signed TLS certificate fingerprint associated with LONGLEASH infrastructure.

Detection of Non-Standard Port Backdoor Listeners

DET0227

AN0634

Identify devices listening on ports 99, 2222, or 8088 with self-signed TLS certificates bearing the generic subject_dn "CN=exploit", indicative of DOGLEASH or JARLEASH deployment.

Reports & References1

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