ET MALWARE HabitsRAT Checkin

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE HabitsRAT Checkin";
    flow:established,to_server;
    http.request_line;
    content:"POST /checkin"; startswith; fast_pattern;
    http.user_agent;
    content:"Go-http-client/1.1"; bsize:18;
    http.request_body;
    content:"goarch=";
    content:"goos=";
    content:"hostname=";
    content:"no_replay=";
    content:"public_key=";
    reference:url,www.intezer.com/blog/malware-analysis/habitsrat-used-to-target-linux-and-windows-servers;
    reference:md5,2177fb8f49934333a201197d6f55378d;
    classtype:command-and-control;
    sid:2032791; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_20, deployment Perimeter, deployment SSLDecrypt, malware_family HabitsRAT, performance_impact Low, confidence High, signature_severity Major, updated_at 2021_04_20;
)