ET EXPLOIT Serialized Java Object Generated by ysoserial

Query · suricata

flow:to_server,established;
content:"|ac ed 00 05 73 72 00|"; fast_pattern;
content:"java/io/Serializable"; nocase; distance:0;
content:"ysoserial/payloads/util/Gadgets";
Raw source ET EXPLOIT Serialized Java Object Generated by ysoserial · 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 tcp any any -> $HOME_NET any (
    msg:"ET EXPLOIT Serialized Java Object Generated by ysoserial";
    flow:to_server,established;
    content:"|ac ed 00 05 73 72 00|"; fast_pattern;
    content:"java/io/Serializable"; nocase; distance:0;
    content:"ysoserial/payloads/util/Gadgets";
    reference:url,github.com/foxglovesec/JavaUnserializeExploits;
    classtype:misc-activity;
    sid:2022116; rev:1;
    metadata:created_at 2015_11_17, confidence Medium, signature_severity Major, tag possible_exploitation, updated_at 2019_07_26;
)

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