rule easterjackpos { meta: author = "Brian Wallace @botnet_hunter" author_email = "bwall@ballastsecurity.net" date = "2014-09-02" description = "Identify JackPOS" strings: $s1 = "updateinterval=" $s2 = "cardinterval=" $s3 = "{[!17!]}{[!18!]}" condition: all of them }