/usr/share/ettercap/lua/third-party/ is in ettercap-common 1:0.8.2-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/ettercap/lua/third-party/base.lua
/usr/share/ettercap/lua/third-party/bin.lua
/usr/share/ettercap/lua/third-party/debug_ext.lua
/usr/share/ettercap/lua/third-party/debug_init.lua
/usr/share/ettercap/lua/third-party/fstable.lua
/usr/share/ettercap/lua/third-party/getopt.lua
/usr/share/ettercap/lua/third-party/io_ext.lua
/usr/share/ettercap/lua/third-party/lcs.lua
/usr/share/ettercap/lua/third-party/list.lua
/usr/share/ettercap/lua/third-party/math_ext.lua
/usr/share/ettercap/lua/third-party/mbox.lua
/usr/share/ettercap/lua/third-party/modules.lua
/usr/share/ettercap/lua/third-party/object.lua
/usr/share/ettercap/lua/third-party/package_ext.lua
/usr/share/ettercap/lua/third-party/parser.lua
/usr/share/ettercap/lua/third-party/set.lua
/usr/share/ettercap/lua/third-party/std.lua
/usr/share/ettercap/lua/third-party/strbuf.lua
/usr/share/ettercap/lua/third-party/strict.lua
/usr/share/ettercap/lua/third-party/string_ext.lua
/usr/share/ettercap/lua/third-party/table_ext.lua
/usr/share/ettercap/lua/third-party/tree.lua
/usr/share/ettercap/lua/third-party/xml.lua