ET MALWARE RevStealer Ping (Keep-Alive)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:20;
content:"/ext/ping/asnue.mzdt"; fast_pattern;
http.content_type;
content:"application/json";
target:src_ip;
Raw source ET MALWARE RevStealer Ping (Keep-Alive) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE RevStealer Ping (Keep-Alive)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri; bsize:20;
    content:"/ext/ping/asnue.mzdt"; fast_pattern;
    http.content_type;
    content:"application/json";
    reference:md5,85f0892c7d48c46f46377fe7fadfaba2;
    classtype:trojan-activity;
    sid:2069991; 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;
)

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