ET EXPLOIT Oracle Coherence Deserialization RCE (CVE-2020-2555)

Query · suricata

flow:established,to_server;
content:"|74 33 20 31 32 2e 32 2e 31 0a 41 53 3a 32 35 35|";
content:"javax.management.BadAttributeValueExpException"; nocase; fast_pattern;
content:"weblogic.common.internal.PackageInfo";
Raw source ET EXPLOIT Oracle Coherence Deserialization RCE (CVE-2020-2555) · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT Oracle Coherence Deserialization RCE (CVE-2020-2555)";
    flow:established,to_server;
    content:"|74 33 20 31 32 2e 32 2e 31 0a 41 53 3a 32 35 35|";
    content:"javax.management.BadAttributeValueExpException"; nocase; fast_pattern;
    content:"weblogic.common.internal.PackageInfo";
    reference:url,github.com/Y4er/CVE-2020-2555/blob/master/weblogic_t3.py;
    reference:url,www.zerodayinitiative.com/blog/2020/3/5/cve-2020-2555-rce-through-a-deserialization-bug-in-oracles-weblogic-server;
    reference:cve,2020-2555;
    classtype:attempted-admin;
    sid:2034780; rev:1;
    metadata:attack_target Server, created_at 2021_12_20, cve CVE_2020_2555, deployment Perimeter, confidence High, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_12_20;
)

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