alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS EMET.DLL in jjencode"; flow:established,from_server; file_data; content:"|22 5c 5c 5c 5c 5c 5c 5c 5c 5c 5c 22|+"; pcre:"/^(?P<var>.{1,10})\.\_\_\$\+(?P=var)\.\_\_\_\+(?P=var)\.\$\_\$\+\x22\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\_\$\+(?P=var)\.\$\_\$\+\x22\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\_\_\+(?P=var)\.\$\_\$\+\x22\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\$\_\+(?P=var)\.\$\_\_\+\x22\.\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\_\_\+(?P=var)\.\$\_\_\+\x22\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\_\$\+(?P=var)\.\$\_\_\+\x22\x5c\x5c\x22\+(?P=var)\.\_\_\$\+(?P=var)\.\_\_\$\+(?P=var)\.\$\_\_\+\x22/R"; classtype:trojan-activity; sid:2018286; rev:3; metadata:created_at 2014_03_18, confidence Medium, signature_severity Minor, updated_at 2019_07_26;)