alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TrollAgent Checkin"; flow:established,to_server; http.method; content:"POST"; http.host; content:".p-e.kr"; endswith; fast_pattern; http.uri; content:"/index.php"; bsize:10; http.user_agent; content:"Go-http-client/"; startswith; http.request_body; content:"a="; startswith; threshold:type limit,count 1,track by_src,seconds 60; reference:url,twitter.com/asdasd13asbz/status/1744279858778456325; reference:url,twitter.com/jaydinbas/status/1744288770524918119; classtype:trojan-activity; sid:2049964; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_01_09, deployment Perimeter, deployment SSLDecrypt, malware_family TrollAgent, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_10, reviewed_at 2024_10_15;)