ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M2 (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";
http.header_names;
content:!"User-Agent|0d 0a|";
content:!"Referer|0d 0a|";
target:src_ip;
Raw source ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M2 (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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Arechclient2 Backdoor/SecTopRAT Related Activity M2 (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/wbinjget?q="; startswith; fast_pattern;
    pcre:"/^[0-9A-F]{32}$/R";
    http.header_names;
    content:!"User-Agent|0d 0a|";
    content:!"Referer|0d 0a|";
    reference:md5,a2c80aed8f6721a1e4bd66dded415eab;
    classtype:trojan-activity;
    sid:2052248; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_23, deployment Perimeter, malware_family Arechclient2, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_24;
    target:src_ip;
)

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