alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Patchwork APT BADNEWS Variant CnC Checkin M1"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.user_agent; content:"Mozilla/5.0"; bsize:11; http.header_names; content:"|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a 0d 0a|"; bsize:52; http.request_body; content:"qadc="; fast_pattern; startswith; content:"&ghjk="; distance:0; content:"&edcaa="; distance:0; content:"&qcsnry="; distance:0; content:"&zqxwce="; distance:0; content:"&ghffh="; distance:0; content:"&olmn="; distance:0; threshold:type limit, track by_src, count 1, seconds 120; reference:md5,26139754438dac37114fe4d273547078; classtype:trojan-activity; sid:2044111; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_03, deployment Perimeter, former_category MALWARE, malware_family Patchwork, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30, reviewed_at 2024_09_30;)