alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Pterodo Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/descent.php?id="; startswith; fast_pattern; http.header_names; content:!"Referer"; http.request_body; content:"name="; startswith; content:"_"; distance:0; content:"&count="; distance:8; reference:md5,8184d72f1ce59bba32afc7a2b5953d52; classtype:trojan-activity; sid:2035390; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_03, deployment Perimeter, deployment SSLDecrypt, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_03;)