alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Win32/TrojanDownloader.AutoHK.MT CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.header_names; content:!"Referer"; http.request_body; content:"COMPUTA="; content:"USAR="; content:"VESPC="; fast_pattern; reference:md5,32ce4a68224ce580b9d7c9c6d6f96422; reference:md5,27dfcb787199ee5750e34935c33b7704; reference:md5,48a59cfc3ed3ea3e7c729263ff8bad42; classtype:trojan-activity; sid:2037716; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_07_07, deployment Perimeter, former_category MALWARE, malware_family TrojanDownloader_AutoHK, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;)