/* 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 backoff { meta: author = "Brian Wallace @botnet_hunter" author_email = "bwall@ballastsecurity.net" date = "2014-08-21" description = "Identify Backoff" strings: $s1 = "&op=%d&id=%s&ui=%s&wv=%d&gr=%s&bv=%s" $s2 = "%s @ %s" $s3 = "Upload KeyLogs" condition: all of them }