alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT heapSpray in jjencode"; flow:from_server,established; file_data; content:".__$+"; pcre:"/^(?P<sep>((?!\.\$\_\$\+).){1,10})\.\$\_\$\+(?P=sep)\.___\+(?P=sep)\.\$\$\$\_\+(?P=sep)\.\$\_\$\_\+\"\\\"\+(?P=sep)\.\_\_\$\+(?P=sep)\.\$\$\_\+(?P=sep)\.\_\_\_\+\"\\\"\+(?P=sep)\.\_\_\$\+(?P=sep)\.\_\$\_\+(?P=sep)\.\_\$\$\+\"\\\"\+(?P=sep)\.\_\_\$\+(?P=sep)\.\$\$\_\+(?P=sep)\.\_\_\_\+\"\\\"\+(?P=sep)\.\_\_\$\+(?P=sep)\.\$\$\_\+(?P=sep)\.\_\$\_\+(?P=sep)\.\$\_\$\_\+\"\\\"\+(?P=sep)\.\_\_\$\+(?P=sep)\.\$\$\$\+(?P=sep)\.\_\_\$/R"; reference:url,www.invincea.com/2013/12/e-k-i-a-adobe-reader-exploit-cve-2013-3346-kernel-ndproxy-sys-zero-day-eop/; classtype:exploit-kit; sid:2017823; rev:3; metadata:created_at 2013_12_10, signature_severity Major, updated_at 2022_07_01;)