alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/POWERPLANT CnC Exfil (Query)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/gate?id="; startswith; http.request_body; bsize:8; content:"UVVFUlk="; fast_pattern; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; content:!"|0d 0a|user-agent|0d 0a|"; reference:md5,edb1f62230123abf88231fc1a7190b60; reference:url,mandiant.com/resources/evolution-of-fin7; classtype:trojan-activity; sid:2035729; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_04, deployment Perimeter, deprecation_reason Age, malware_family Win32_POWERPLANT, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_02, reviewed_at 2024_12_02;)