ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M3 (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/wbinjget?q="; startswith; fast_pattern;
pcre:"/^[0-9A-F]{32}$/R";
target:src_ip;
Raw source ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M3 (GET) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M3 (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/wbinjget?q="; startswith; fast_pattern;
    pcre:"/^[0-9A-F]{32}$/R";
    reference:md5,8f6d5a6f20fbcc87e2d2032652b02de6;
    classtype:trojan-activity;
    sid:2061118; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2025_03_26, deployment Perimeter, malware_family Arechclient2, malware_family SecTopRAT, performance_impact Low, confidence Medium, signature_severity Critical, tag RAT, updated_at 2025_03_26;
    target:src_ip;
)

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