ET WEB_SERVER Generic Webshell Activity (Response)

Query · suricata

flow:established,to_client;
file.data;
content:"<body><title>FILE MANAGER v.1.0</title>";
content:"<h1>Green Dinosaur</h1>"; fast_pattern;
content:"|61 63 74 69 6f 6e 3d 27 3f 66 70 61 74 68 3d|"; distance:0;
target:src_ip;
Raw source ET WEB_SERVER Generic Webshell Activity (Response) · 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 WEB_SERVER Generic Webshell Activity (Response)";
    flow:established,to_client;
    file.data;
    content:"<body><title>FILE MANAGER v.1.0</title>";
    content:"<h1>Green Dinosaur</h1>"; fast_pattern;
    content:"|61 63 74 69 6f 6e 3d 27 3f 66 70 61 74 68 3d|"; distance:0;
    reference:md5,9cdda333432f403b408b9fe717163861;
    classtype:web-application-attack;
    sid:2044914; rev:1;
    metadata:attack_target Web_Server, created_at 2023_04_10, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_10;
    target:src_ip;
)

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