alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MacOS RustDoor Related Activity M2 (POST)"; flow:established,to_server; urilen:15; http.method; content:"POST"; http.uri; content:"/gateway/report"; fast_pattern; http.content_type; content:"application/json"; bsize:16; http.header_names; content:"|0d 0a|accept|0d 0a|host|0d 0a|content-length|0d 0a 0d 0a|"; nocase; content:!"Referer"; nocase; content:!"User-Agent"; nocase; http.request_body; content:"|22|id|22 3a|"; reference:md5,6dd3a3e4951d34446fe1a5c7cdf39754; reference:url,www.bitdefender.com/blog/labs/new-macos-backdoor-written-in-rust-shows-possible-link-with-windows-ransomware-group/; classtype:trojan-activity; sid:2050800; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2024_02_13, deployment Perimeter, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_13; target:src_ip;)