alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Blackhole/Cool plugindetect in octal Apr 18 2013"; flow:established,from_server; file_data; content:"telppa"; pcre:"/(?P<p>[0-7]{2,4})(?P<sep>[^0-7])(?P<d>(?!(?P=p))[0-7]{2,4})(?P=sep)(?P=p)(?P=sep)(?P=d)(?P=sep)([0-7]{2,4}(?P=sep)){10}(?P<q>[0-7]{2,4})(?P=sep)[0-7]{2,4}(?P=sep)(?P<dot>[0-7]{2,4})(?P=sep)[0-7]{2,4}(?P=sep)(?P=dot)(?P=sep)[0-7]{2,4}(?P=sep)(?P=q)/R"; flowbits:set,et.exploitkitlanding; classtype:trojan-activity; sid:2016776; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2013_04_19, deployment Perimeter, malware_family Blackhole, signature_severity Critical, tag Blackhole, tag Exploit_Kit, updated_at 2019_07_26;)