ET MALWARE Possible Royal Road Payload Retrieval Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/doc/tmp.php?Data|3d|"; fast_pattern; startswith;
pcre:"/^[a-zA-Z0-9%+/=]{10}/R";
target:src_ip;
Raw source ET MALWARE Possible Royal Road Payload Retrieval Attempt · 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 Possible Royal Road Payload Retrieval Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/doc/tmp.php?Data|3d|"; fast_pattern; startswith;
    pcre:"/^[a-zA-Z0-9%+/=]{10}/R";
    reference:md5,b85316f68d9f1dbac481e3f397ebf1b0;
    classtype:trojan-activity;
    sid:2052285; rev:1;
    metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_29, deployment Perimeter, performance_impact Low, confidence Low, signature_severity Major, updated_at 2024_04_29;
    target:src_ip;
)

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