alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win64/TrojanDownloader.AHK.CH Checkin"; flow:established,to_server; http.request_line; content:"POST|20|/cont/index.php|20|"; startswith; fast_pattern; http.request_body; content:"mcena="; startswith; content:"&xx="; distance:0; content:"&jacar="; distance:0; content:"&bola="; distance:0; content:"&medo="; distance:0; reference:md5,47a482ea278532ace87fa5dd6c0bcba4; classtype:trojan-activity; sid:2044747; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_22, deployment Perimeter, malware_family TrojanDownloader_AHK_CH, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_22;)