alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win64/Agent.BP System Info Exfil"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:14; content:"/ads_redir.php"; http.header; header_lowercase; content:"full-filename|3a 20 25|64|25|69|25|76|25|73|25|69|25|67|25|5F|25|61|25|69|25|6E|25|66|25|6F|25|2E|25|74|25|78|25|74"; fast_pattern; http.request_body; content:"pcname|20 20 20 3d 20|"; content:"username|20 3d 20|"; content:"fulluser|20 3d 20|"; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,fc878529af50b87ce71c8c36959f542a; classtype:trojan-activity; sid:2037054; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_21, deployment Perimeter, malware_family Win64_Agent_BP, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_30, reviewed_at 2025_01_22;)