alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible Sharik/Smoke Loader 7zip Connectivity Check"; flow:established,to_server; urilen:13; http.method; content:"GET"; http.uri; content:"/support.html"; fast_pattern; http.host; content:"www.7-zip.org"; http.header_names; content:"|0d 0a|Cache-Control|0d 0a|Connection|0d 0a|Pragma|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; reference:md5,9bea24aadc1061d39ec15707a1f9b87b; classtype:trojan-activity; sid:2026805; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_01_14, deployment Perimeter, malware_family Sharik, malware_family SmokeLoader, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_27;)