alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Sharik/Smoke Loader Adobe Connectivity check"; flow:established,to_server; urilen:18; http.method; content:"POST"; http.uri; content:"/support/main.html"; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; content:!"Accept"; reference:md5,3a128a9e8668c0181d214c20898f4a00; classtype:trojan-activity; sid:2018676; rev:6; metadata:created_at 2014_07_15, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_07;)