/usr/src/xtables-addons-2.6/extensions/ACCOUNT/ is in xtables-addons-dkms 2.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/Kbuild
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/Makefile
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/Makefile.am
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/Makefile.in
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/Mbuild
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/VERSION.txt
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/iptaccount.8
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/iptaccount.c
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/libxt_ACCOUNT.c
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/libxt_ACCOUNT.man
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/libxt_ACCOUNT_cl.c
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/libxt_ACCOUNT_cl.h
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/xt_ACCOUNT.c
/usr/src/xtables-addons-2.6/extensions/ACCOUNT/xt_ACCOUNT.h