alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Phonk Trojan CnC Checkin (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/^\/[A-Z]{7,9}.php$/"; http.header_names; content:"|0d 0a|Content-Type|0d 0a|Host|0d 0a|Content-Length|0d 0a|Expect|0d 0a|"; fast_pattern; content:!"User-Agent"; http.content_type; content:"application/x-www-form-urlencoded"; http.request_body; pcre:"/^id=[0-9]{10}$/"; bsize:13; reference:md5,cc101b016deadd7d54994e282e89a2ec; reference:url,tria.ge/221206-2fvxqadb5v/behavioral1; classtype:trojan-activity; sid:2042945; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_14, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_14, reviewed_at 2025_10_24;)