/usr/ is in xul-ext-noscript 2.9.0.11-1~deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/xul-ext-noscript/
/usr/share/doc/xul-ext-noscript/changelog.Debian.gz
/usr/share/doc/xul-ext-noscript/changelog.gz
/usr/share/doc/xul-ext-noscript/examples/
/usr/share/doc/xul-ext-noscript/examples/mozilla.cfg
/usr/share/doc/xul-ext-noscript/copyright
/usr/share/doc/xul-ext-noscript/README.Debian
/usr/share/mozilla/
/usr/share/mozilla/extensions/
/usr/share/mozilla/extensions/{aa5ca914-c309-495d-91cf-3141bbb04115}/
/usr/share/mozilla/extensions/dlm@emusic.com/
/usr/share/mozilla/extensions/{a23983c0-fd0e-11dc-95ff-0800200c9a66}/
/usr/share/mozilla/extensions/{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}/
/usr/share/mozilla/extensions/songbird@songbirdnest.com/
/usr/share/mozilla/extensions/{a463f10c-3994-11da-9945-000d60ca027b}/
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/
/usr/share/mozilla/extensions/toolkit@mozilla.org/
/usr/share/xul-ext/
/usr/share/xul-ext/noscript/
/usr/share/xul-ext/noscript/mozilla.cfg
/usr/share/xul-ext/noscript/install.rdf
/usr/share/xul-ext/noscript/defaults/
/usr/share/xul-ext/noscript/defaults/preferences/
/usr/share/xul-ext/noscript/defaults/preferences/noscript.js
/usr/share/xul-ext/noscript/components/
/usr/share/xul-ext/noscript/components/noscriptService.js
/usr/share/xul-ext/noscript/chrome.manifest
/usr/share/xul-ext/noscript/chrome/
/usr/share/xul-ext/noscript/chrome/noscript.jar
/usr/share/xul-ext/noscript/META-INF/
/usr/share/xul-ext/noscript/META-INF/mozilla.sf
/usr/share/xul-ext/noscript/META-INF/manifest.mf
/usr/share/xul-ext/noscript/META-INF/mozilla.rsa
/usr/share/mozilla/extensions/{aa5ca914-c309-495d-91cf-3141bbb04115}/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/dlm@emusic.com/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/{a23983c0-fd0e-11dc-95ff-0800200c9a66}/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/songbird@songbirdnest.com/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/{a463f10c-3994-11da-9945-000d60ca027b}/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/mozilla/extensions/toolkit@mozilla.org/{73a6fe31-595d-460b-a920-fcc0f8843232}
/usr/share/xul-ext/noscript/defaults/preferences/000system.js