alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon APT Related Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".88wmdb"; endswith; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer|0d 0a|"; reference:md5,d09f81214ac5650e0596d3032d9c8682; reference:url,twitter.com/StopMalvertisin/status/1659451403100897280; classtype:trojan-activity; sid:2045776; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_05_19, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_19; target:src_ip;)