ET MALWARE Loxes/Mongall Related CnC Beacon M4 (GET)

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Loxes/Mongall Related CnC Beacon M4 (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:!".";
    content:!"?";
    content:!"&";
    pcre:"/^\/(?:[a-zA-Z0-9=]{60,408})$/";
    http.header_names;
    content:!"Referer";
    content:!"Content";
    http.user_agent;
    content:"Mozilla/5.0 (Windows NT 6.1|3b|WOW64) AppleWebKit|20|/537.36 (KHTML,like Gecko) chrome/40.0.2214.115 safari|20|/537.36"; bsize:109; fast_pattern;
    reference:md5,4d9732711edfb9826fae4795d31bad69;
    reference:url,www.sentinelone.com/labs/aoqin-dragon-newly-discovered-chinese-linked-apt-has-been-quietly-spying-on-organizations-for-10-years/;
    classtype:command-and-control;
    sid:2036995; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_15, deployment Perimeter, malware_family Mongall, malware_family Loxes, malware_family AoqinDragon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_15;
)