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; content:"/ads_redir.php"; bsize:14; http.header; content:"Full-FileName|3a 20|%64%69%76%73%69%67%5F%61%69%6E%66%6F%2E%74%78%74"; http.request_body; content:"pcname|20 20 20 3d 20|"; content:"username|20 3d 20|"; content:"fulluser|20 3d 20|"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; reference:md5,fc878529af50b87ce71c8c36959f542a; classtype:trojan-activity; sid:2037054; rev:1; 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 2022_06_21, reviewed_at 2025_01_22;)