ET SCAN Possible Scanning for Vulnerable JBoss

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/invoker/"; depth:9;
content:"servlet/";
http.request_body;
content:"org.jboss.invocation.MarshalledValue";
http.content_type;
content:"application/x-java-serialized-object|3b|"; endswith;
Raw source ET SCAN Possible Scanning for Vulnerable JBoss · Suricata
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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 -> $HTTP_SERVERS any (
    msg:"ET SCAN Possible Scanning for Vulnerable JBoss";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/invoker/"; depth:9;
    content:"servlet/";
    http.request_body;
    content:"org.jboss.invocation.MarshalledValue";
    http.content_type;
    content:"application/x-java-serialized-object|3b|"; endswith;
    reference:url,blog.imperva.com/2015/12/zero-day-attack-strikes-again-java-zero-day-vulnerability-cve-2015-4852-tracked-by-imperva.html;
    classtype:web-application-attack;
    sid:2022240; rev:3;
    metadata:created_at 2015_12_09, confidence Medium, signature_severity Minor, updated_at 2020_06_09;
)

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