alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED CoolEK Payload Download (3)"; flow:established,to_server; content:"/pics/foto.png"; fast_pattern:only; http_uri; content:!"Referer|3a|"; http_header; nocase; pcre:"/\/(?:(?:article|contact|new)s|(?:fo|tu)r|public|read)\/pics\/foto\.png$/U"; classtype:exploit-kit; sid:2016280; rev:8; metadata:created_at 2013_01_25, signature_severity Unknown, updated_at 2021_06_23;)