ET MALWARE Goldoon Botnet CnC Checkin (SystemInfo)

alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Goldoon Botnet CnC Checkin (SystemInfo)";
    flow:established,to_server;
    flowbits:set,ET.Goldoon.Checkin;
    dsize:10;
    content:"SystemInfo"; fast_pattern;
    reference:url,www.fortinet.com/blog/threat-research/new-goldoon-botnet-targeting-d-link-devices;
    classtype:trojan-activity;
    sid:2052395; rev:1;
    metadata:affected_product Any, attack_target Client_and_Server, tls_state plaintext, created_at 2024_05_03, deployment Perimeter, malware_family Goldoon, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2024_05_03;
    target:src_ip;
)