ET INFO JAVA - Zip/JAR File Downloaded Possibly Containing Serialized Data by By Vulnerable Client

Query · suricata

flow:to_client,established;
file_data;
content:"PK"; within:2;
content:".serPK";
flowbits:isset,ET.http.javaclient.vulnerable;
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET INFO JAVA - Zip/JAR File Downloaded Possibly Containing Serialized Data by By Vulnerable Client · 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 INFO JAVA - Zip/JAR File Downloaded Possibly Containing Serialized Data by By Vulnerable Client";
    flow:to_client,established;
    file_data;
    content:"PK"; within:2;
    content:".serPK";
    flowbits:isset,ET.http.javaclient.vulnerable;
    classtype:misc-activity;
    sid:2016505; rev:3;
    metadata:attack_target Client_and_Server, created_at 2013_02_26, deployment Perimeter, confidence Low, signature_severity Informational, updated_at 2023_04_20;
    target:dest_ip;
)

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