The bikliwrapper npm package contains malicious code in its postinstall script that elevates privileges via UAC and reconfigures the Windows host to enable persistent, unauthenticated remote access. It modifies Terminal Server settings to enable RDP with Network Level Authentication disabled, allows full remote shadowing without user consent, opens firewall ports for RDP, and patches termsrv.dll to permit concurrent and shadow sessions. The bundled binary used for patching is unsigned. Any system with this package installed should be considered fully compromised.