alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/DolphinCape Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; pcre:"/\/[0-9]{17}\.[a-z]{3}$/"; http.request_body; content:"type="; startswith; content:"&vol="; distance:0; content:"&CrashIndex="; distance:0; fast_pattern; content:"&Ver="; distance:0; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:url,cert.gov.ua/article/3192088; reference:md5,98c3d5347842743bfb4ade50b39226c1; classtype:trojan-activity; sid:2042540; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_12_09, deployment Perimeter, malware_family Win32_DolphinCape, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_26; target:src_ip;)