<ul><li>China-linked APT UNC3886 deploys custom backdoors on Juniper Networks Junos OS MX routers.</li><li>Mandiant researchers discover TINYSHELL-based backdoors on Juniper MX routers targeting defense, technology, and telecommunications sectors in the US and Asia.</li><li>UNC3886 demonstrates in-depth knowledge of system internals and uses compromised credentials to access Junos OS CLI from terminal servers.</li><li>Mandiant provides Indicators of Compromise (IoCs) and Yara rules to detect the backdoors.</li></ul>

China-linked APT UNC3886 targets EoL Juniper routers

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