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:"/declaration.php?id="; startswith; fast_pattern; http.header_names; content:!"Referer"; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.request_body; content:"name="; startswith; content:"&count="; distance:0; reference:md5,c2e7a48d6bcf0c875d911f3e6c3896ee; reference:url,raw.githubusercontent.com/pan-unit42/iocs/master/Gamaredon/2022_02_Gamaredon_UPDATE.txt; classtype:trojan-activity; sid:2035219; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_02_18, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_18;)