ET MALWARE RisePro TCP Heartbeat Packet

alert tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE RisePro TCP Heartbeat Packet";
    flow:established,to_server;
    dsize:11<>50;
    content:"|ad da ba ab|"; startswith; fast_pattern;
    content:"|27 00 00|"; distance:5; within:3;
    threshold:type both,track by_src, count 1, seconds 30;
    reference:md5,dbd32d02e980ceffdce16697edd62673;
    classtype:trojan-activity;
    sid:2049060; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2023_11_03, deployment Perimeter, malware_family Stealer, confidence High, signature_severity Major, updated_at 2024_01_10, reviewed_at 2023_11_03, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)