alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Spyderv2 Related Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.content_type; bsize:33; content:"application/x-www-form-urlencoded"; http.request_body; content:"hwid="; startswith; content:"&mail="; distance:0; content:"--&ver=2"; endswith; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,2491942d8cd5807cd4615a07ad26a54a; reference:url,mp.weixin.qq.com/s?__biz=MzI2MDc2MDA4OA==&mid=2247508856&idx=1&sn=256ab2e8e63a406a37088f1b133eb6ff&chksm=ea66540fdd11dd1924c87240bbf3675e276a17a5980df63d8aace47c92cbe40ca5e197f7e183&scene=178&cur_album_id=1539799351089283075; classtype:trojan-activity; sid:2051675; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_18, deployment Perimeter, malware_family Win32_Spyderv2, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_30; target:src_ip;)