alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/USA/precision.dot"; fast_pattern; bsize:18; http.host; content:"usa-national.info"; bsize:17; reference:md5,26b29c539d0d35fd414e36884c380e0e; classtype:trojan-activity; sid:2033627; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_07_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_30;)