ET WEB_CLIENT Zimbra zauthtoken Value Extraction Script Requested (Inbound)

Query · suricata

flow:established,to_client;
http.content_type;
content:"application/x-javascript"; startswith;
file.data;
content:"fetch|28 27|/public/authorize.jsp|27 29|";
content:"|63 6f 6e 73 74 20 6d 61 74 63 68 20 3d 20 64 61 74 61 2e 6d 61 74 63 68 28 2f 6e 61 6d 65 3d 22 7a 61 75 74 68 74 6f 6b 65 6e 22 20 76 61 6c 75 65 3d 22 28 5b 5e 22 5d 2b 29 22 2f 29 3b|"; fast_pattern; distance:0;
content:"|2f 2f 20|Post the zauthtoken value to your PHP script"; distance:0;
target:dest_ip;
Raw source ET WEB_CLIENT Zimbra zauthtoken Value Extraction Script Requested (Inbound) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET WEB_CLIENT Zimbra zauthtoken Value Extraction Script Requested (Inbound)";
    flow:established,to_client;
    http.content_type;
    content:"application/x-javascript"; startswith;
    file.data;
    content:"fetch|28 27|/public/authorize.jsp|27 29|";
    content:"|63 6f 6e 73 74 20 6d 61 74 63 68 20 3d 20 64 61 74 61 2e 6d 61 74 63 68 28 2f 6e 61 6d 65 3d 22 7a 61 75 74 68 74 6f 6b 65 6e 22 20 76 61 6c 75 65 3d 22 28 5b 5e 22 5d 2b 29 22 2f 29 3b|"; fast_pattern; distance:0;
    content:"|2f 2f 20|Post the zauthtoken value to your PHP script"; distance:0;
    reference:url,twitter.com/__0XYC__/status/1753000391770317099;
    classtype:credential-theft;
    sid:2050658; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_02_01, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_01;
    target:dest_ip;
)

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