ET JA3 Hash - Possible RustyBuer Server Response

Query · suricata

flowbits:isset,ET.rustybuer;
ja3s.hash;
content:"f6dfdd25d1522e4e1c7cd09bd37ce619";

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 JA3 Hash - Possible RustyBuer Server Response · 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 tls $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET JA3 Hash - Possible RustyBuer Server Response";
    flowbits:isset,ET.rustybuer;
    ja3s.hash;
    content:"f6dfdd25d1522e4e1c7cd09bd37ce619";
    reference:md5,ea98a9d6ca6f5b2a0820303a1d327593;
    classtype:bad-unknown;
    sid:2032960; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_05_13, deployment Perimeter, malware_family RustyBuer, performance_impact Low, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_13;
)

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