/* This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as long as you use it under this license. */ rule with_urls { meta: author = "Antonio Sanchez <asanchez@hispasec.com>" reference = "http://laboratorio.blogs.hispasec.com/" description = "Rule to detect the presence of an or several urls" strings: $url_regex = /https?:\/\/([\w\.-]+)([\/\w \.-]*)/ condition: all of them } rule without_urls { meta: author = "Antonio Sanchez <asanchez@hispasec.com>" reference = "http://laboratorio.blogs.hispasec.com/" description = "Rule to detect the no presence of any url" strings: $url_regex = /https?:\/\/([\w\.-]+)([\/\w \.-]*)/ condition: not $url_regex }