[WEB-ATTACKS] Medusa User-Agent

alert any $EXTERNAL_NET any -> $HOME_NET any (msg: "[WEB-ATTACKS] Medusa User-Agent"; content: "User-Agent"; content: "Teh Forest Lobster"; nocase; threshold: type suppress, track by_src,count 1, seconds 60; parse_src_ip: 1; parse_dst_ip: 2; reference:url,www.foofus.net/~jmk/medusa/medusa.html; xbits: set,recon,track ip_src,expire 86400; default_proto:tcp; default_dst_port: $HTTP_PORT; classtype:attempted-recon; sid:5001835; rev:3;)