/usr/share/bro/policy/misc/ is in bro-common 2.4.1+dfsg-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/bro/policy/misc/app-stats/
/usr/share/bro/policy/misc/app-stats/__load__.bro
/usr/share/bro/policy/misc/app-stats/main.bro
/usr/share/bro/policy/misc/app-stats/plugins/
/usr/share/bro/policy/misc/app-stats/plugins/__load__.bro
/usr/share/bro/policy/misc/app-stats/plugins/facebook.bro
/usr/share/bro/policy/misc/app-stats/plugins/gmail.bro
/usr/share/bro/policy/misc/app-stats/plugins/google.bro
/usr/share/bro/policy/misc/app-stats/plugins/netflix.bro
/usr/share/bro/policy/misc/app-stats/plugins/pandora.bro
/usr/share/bro/policy/misc/app-stats/plugins/youtube.bro
/usr/share/bro/policy/misc/capture-loss.bro
/usr/share/bro/policy/misc/detect-traceroute/
/usr/share/bro/policy/misc/detect-traceroute/__load__.bro
/usr/share/bro/policy/misc/detect-traceroute/detect-low-ttls.sig
/usr/share/bro/policy/misc/detect-traceroute/main.bro
/usr/share/bro/policy/misc/dump-events.bro
/usr/share/bro/policy/misc/known-devices.bro
/usr/share/bro/policy/misc/load-balancing.bro
/usr/share/bro/policy/misc/loaded-scripts.bro
/usr/share/bro/policy/misc/profiling.bro
/usr/share/bro/policy/misc/scan.bro
/usr/share/bro/policy/misc/stats.bro
/usr/share/bro/policy/misc/trim-trace-file.bro