alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Patchwork APT CnC Activity (umnome)"; flow:established,to_server; http.method; content:"POST"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; nocase; http.request_body; content:"umnome="; startswith; fast_pattern; content:"|20 26|pmjodf="; distance:0; content:"|20 26|idkdfjej="; distance:0; http.content_type; bsize:33; content:"application/x-www-form-urlencoded"; reference:url,x.com/naumovax/status/1813151432419254656/; reference:md5,9cb3752a862d996815249c3d14353464; reference:url,ctfiot.com/193014.html; classtype:trojan-activity; sid:2054504; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_07_16, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Critical, tag Patchwork, updated_at 2024_07_16;)