alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE RKO Remote File Upload Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/mh/upload.php"; endswith; http.referer; content:"/mh/ftp/remote.htm"; endswith; http.request_body; content:"name|3d 22|filename|22|"; content:"apinew.txt"; distance:4; fast_pattern; content:"name|3d 22|foldername|22|"; distance:0; content:"Files"; distance:4; content:"name|3d 22|data|22|"; distance:0; content:"name|3d 22|send|22|"; distance:0; content:"Send"; distance:4; reference:md5,37f0f9c9d9585befc8ea49b73706e47c; reference:url,twitter.com/James_inthe_box/status/1552756079997513728; classtype:trojan-activity; sid:2037870; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_07_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_29;)