ET MALWARE zgRAT / PureLogs Stealer CnC ping Request

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE zgRAT / PureLogs Stealer CnC ping Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri; bsize:5;
    content:"/ping"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|user-agent|0d 0a|"; nocase;
    content:"|0d 0a|host|0d 0a 0d 0a|"; nocase;
    http.host;
    content:!"ping.pagekite";
    threshold:type limit,track by_src,count 5,seconds 300;
    reference:md5,f059e9bfc5b9569ac5980b45e3a215b5;
    classtype:trojan-activity;
    sid:2067921; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_02_25, deployment Perimeter, deployment SSLDecrypt, malware_family Stealer, malware_family zgRAT, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2026_02_26, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)