resecure was created out of the need for a program to re-chmod and chflag literally hundreds of files after system upgrades. This program was created on OpenBSD and NetBSD, your mileage may (and will) vary on other operating systems.
You can download it from the following link: https://packetstormsecurity.com/files/download/22013/resecure-0.3.1.tar.gz
Source: https://packetstormsecurity.com/files/22013/resecure-0.3.1.tar.gz.html