ET MALWARE RevStealer Data Exfiltration Attempt M1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE RevStealer Data Exfiltration Attempt M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:22;
    content:"/ext/events/asnue.mzdt"; fast_pattern;
    http.content_type;
    content:"application/json";
    reference:md5,85f0892c7d48c46f46377fe7fadfaba2;
    classtype:trojan-activity;
    sid:2069986; rev:1;
    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_06_17, deployment Perimeter, deployment SSLDecrypt, malware_family RevStealer, performance_impact Low, confidence High, signature_severity Major, tag Stealer, updated_at 2026_06_17, mitre_tactic_id TA0009, mitre_tactic_name Collection, mitre_technique_id T1005, mitre_technique_name Data_from_local_system;
    target:src_ip;
)