alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MosesStaff APT Related Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.content_type; content:"boundary=----BoundrySign"; fast_pattern; reference:url,www.fortinet.com/blog/threat-research/guard-your-drive-from-driveguard; classtype:trojan-activity; sid:2035210; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_02_17, deployment Perimeter, malware_family MosesStaff, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_24;)