: Where specific binary paths are hardcoded to ensure the most stable and performant version of a service is launched.

Router# bash

She SSH’d via a backdoor route—an old IPv6 link that should have been firewalled. The terminal blinked. Not a bash prompt. A custom shell.

sha256sum /sbin/ms1542 > /etc/ms1542.sha256

And the string on the screen faded, replaced by a single line:

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